// TnzCore includes
#include "tcolorfunctions.h"
#include "trandom.h"
#include "tflash.h"
#include "tcurves.h"
#include "tvectorrenderdata.h"
#include "tmathutil.h"
#include "colorfxutils.h"
#include "tpixelutils.h"
// tcg includes
#include "tcg/tcg_misc.h"
// Qt includes
#include <QCoreApplication>
#include <QStringList>
#include "strokestyles.h"
using namespace std;
#define MINTHICK 1.0
//=============================================================================
namespace
{
template <class T>
class TOptimizedStrokePropT : public TStrokeProp
{
protected:
double m_pixelSize;
TOptimizedStrokeStyleT<T> *m_colorStyle;
T m_data;
public:
TOptimizedStrokePropT(const TStroke *stroke, TOptimizedStrokeStyleT<T> *style);
~TOptimizedStrokePropT() { m_colorStyle->release(); }
const TColorStyle *getColorStyle() const;
TStrokeProp *clone(const TStroke *stroke) const;
void draw(const TVectorRenderData &rd);
void draw(TFlash &flash)
{
getColorStyle()->drawStroke(flash, getStroke());
}
};
//-----------------------------------------------------------------------------
template <class T>
TOptimizedStrokePropT<T>::TOptimizedStrokePropT(const TStroke *stroke, TOptimizedStrokeStyleT<T> *style)
: TStrokeProp(stroke), m_colorStyle(style), m_pixelSize(0)
{
m_styleVersionNumber = style->getVersionNumber();
m_colorStyle->addRef();
}
//-----------------------------------------------------------------------------
template <class T>
const TColorStyle *TOptimizedStrokePropT<T>::getColorStyle() const
{
return m_colorStyle;
}
//-----------------------------------------------------------------------------
template <class T>
TStrokeProp *TOptimizedStrokePropT<T>::clone(const TStroke *stroke) const
{
TOptimizedStrokePropT<T> *prop = new TOptimizedStrokePropT<T>(stroke, m_colorStyle);
prop->m_strokeChanged = m_strokeChanged;
prop->m_data = m_data;
return prop;
}
//-----------------------------------------------------------------------------
template <class T>
void TOptimizedStrokePropT<T>::draw(const TVectorRenderData &rd) /*assenza di const non e' una dimenticanza! Alcune sottoclassi devono ridefinire questo metodo e serbve che non sia const*/
{
if (rd.m_clippingRect != TRect() && !rd.m_is3dView && !convert(rd.m_aff * m_stroke->getBBox()).overlaps(rd.m_clippingRect))
return;
glPushMatrix();
tglMultMatrix(rd.m_aff);
double pixelSize = sqrt(tglGetPixelSize2());
if (m_strokeChanged ||
m_styleVersionNumber != m_colorStyle->getVersionNumber() ||
!isAlmostZero(pixelSize - m_pixelSize, 1e-5)) {
m_strokeChanged = false;
m_pixelSize = pixelSize;
m_styleVersionNumber = m_colorStyle->getVersionNumber();
m_colorStyle->computeData(m_data, m_stroke, rd.m_cf);
}
m_colorStyle->drawStroke(rd.m_cf, m_data, m_stroke);
glPopMatrix();
}
}
//=============================================================================
template <class T>
TStrokeProp *TOptimizedStrokeStyleT<T>::makeStrokeProp(const TStroke *stroke)
{
return new TOptimizedStrokePropT<T>(stroke, this);
}
//=============================================================================
inline void tglNormal(const T3DPointD &p)
{
glNormal3d(p.x, p.y, p.z);
}
inline void tglVertex(const T3DPointD &p)
{
glVertex3d(p.x, p.y, p.z);
}
//=============================================================================
TFurStrokeStyle::TFurStrokeStyle()
: m_color(TPixel32::Black), m_angle(120.0), m_length(1.0), m_cs(0.0), m_sn(0.0)
{
double rad = TConsts::pi_180 * m_angle;
m_cs = cos(rad);
m_sn = sin(rad);
}
//-----------------------------------------------------------------------------
TColorStyle *TFurStrokeStyle::clone() const
{
return new TFurStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TFurStrokeStyle::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TFurStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TFurStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < getParamCount());
return index == 0 ? QCoreApplication::translate("TFurStrokeStyle", "Angle") : QCoreApplication::translate("TFurStrokeStyle", "Size");
}
//-----------------------------------------------------------------------------
void TFurStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < getParamCount());
if (index == 0) {
min = 0.0;
max = 180.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TFurStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < getParamCount());
return index == 0 ? m_angle : m_length;
}
//-----------------------------------------------------------------------------
void TFurStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < getParamCount());
if (index == 0) {
m_angle = value;
double rad = TConsts::pi_180 * m_angle;
m_cs = cos(rad);
m_sn = sin(rad);
} else
m_length = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TFurStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
using TConsts::pi;
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double s = 0.0;
double ds = 4;
double vs = 1;
TRandom rnd;
flash.setLineColor(m_color);
vector<TSegment> segmentsArray;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
TThickPoint pos = stroke->getThickPoint(w);
TPointD pos1 = (TPointD)pos;
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0.0) {
s += 0.5;
continue;
}
u = normalize(u);
TPointD v = rotate90(u);
double length = m_length * pos.thick;
vs = -vs;
double q = 0.01 * (rnd.getFloat() * 2 - 1);
segmentsArray.push_back(TSegment(pos1, pos1 + length * ((m_cs + q) * u + (vs * m_sn) * v)));
s += ds;
}
flash.drawSegments(segmentsArray, true);
}
//-----------------------------------------------------------------------------
void TFurStrokeStyle::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
using TConsts::pi;
double length = stroke->getLength();
double s = 0.0;
double ds = 4;
double vs = 1;
TRandom rnd;
positions.clear();
positions.reserve(tceil(length / ds) + 1);
while (s <= length) {
double w = stroke->getParameterAtLength(s);
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0.0) {
s += 0.5;
continue;
}
u = normalize(u);
TPointD v = rotate90(u);
double length = 0;
if (pos.thick)
length = m_length * pos.thick;
else
length = 1.0;
vs = -vs;
positions.push_back(pos);
double q = 0.01 * (rnd.getFloat() * 2 - 1);
positions.push_back(pos + length * ((m_cs + q) * u + (vs * m_sn) * v));
s += ds;
}
}
//-----------------------------------------------------------------------------
void TFurStrokeStyle::drawStroke(const TColorFunction *cf, Points &positions, const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
for (UINT i = 0; i < positions.size(); i += 2) {
glBegin(GL_LINE_STRIP);
tglColor(color);
tglVertex(positions[i]);
glColor4d(1, 1, 1, 0.0);
tglVertex(positions[i + 1]);
glEnd();
}
}
//=============================================================================
TChainStrokeStyle::TChainStrokeStyle(const TPixel32 &color)
: m_color(color)
{
}
//-----------------------------------------------------------------------------
TChainStrokeStyle::TChainStrokeStyle()
: m_color(TPixel32(20, 10, 0))
{
}
//-----------------------------------------------------------------------------
TColorStyle *TChainStrokeStyle::clone() const
{
return new TChainStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
void TChainStrokeStyle::computeData(Points &data, const TStroke *stroke, const TColorFunction *cf) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
// spessore della catena = spessore "medio" dello stroke
double thickness = 0.25 * (stroke->getThickPoint(0).thick +
stroke->getThickPoint(1.0 / 3.0).thick +
stroke->getThickPoint(2.0 / 3.0).thick +
stroke->getThickPoint(1).thick);
if (thickness == 0)
thickness = 0.1;
double ringHeight = thickness;
double ringWidth = 1.5 * ringHeight;
// distanza fra i centri degli anelli
double ringDistance = 2 * 1.2 * ringWidth;
// distanza fra il centro dell'anello e il punto di attacco dell'anello trasversale
//double joinPos = 0.45 * ringWidth;
TPointD oldPos;
//bool firstRing = true;
double s = 0;
data.clear();
data.reserve(tceil(length / ringDistance) * 2 + 2);
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
data.push_back(pos);
data.push_back(u);
// se e' il caso unisco la catena alla precedente
s += ringDistance;
}
}
//-----------------------------------------------------------------------------
void TChainStrokeStyle::drawStroke(const TColorFunction *cf, Points &data, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
//double length = stroke->getLength();
// spessore della catena = spessore "medio" dello stroke
double thickness = 0.25 * (stroke->getThickPoint(0).thick +
stroke->getThickPoint(1.0 / 3.0).thick +
stroke->getThickPoint(2.0 / 3.0).thick +
stroke->getThickPoint(1).thick);
if (thickness * thickness < 4 * tglGetPixelSize2()) {
TCenterLineStrokeStyle *appStyle = new TCenterLineStrokeStyle(m_color, 0x0, thickness);
appStyle->drawStroke(cf, stroke);
delete appStyle;
return;
}
assert(thickness);
double ringHeight = thickness;
double ringWidth = 1.5 * ringHeight;
// distanza fra i centri degli anelli
//double ringDistance = 2 * 1.2 * ringWidth;
// distanza fra il centro dell'anello e il punto di attacco dell'anello trasversale
double joinPos = 0.45 * ringWidth;
// definisco la forma dell'anello della catena
GLuint ringId;
ringId = glGenLists(1);
double a = .6, b = .6;
glNewList(ringId, GL_COMPILE);
glPushMatrix();
glScaled(ringWidth, ringHeight, 1);
glBegin(GL_LINE_STRIP);
glVertex2d(1, b);
glVertex2d(a, 1);
glVertex2d(-a, 1);
glVertex2d(-1, b);
glVertex2d(-1, -b);
glVertex2d(-a, -1);
glVertex2d(a, -1);
glVertex2d(1, -b);
glVertex2d(1, b);
glEnd();
glPopMatrix();
glEndList();
// disegno la catena
if (cf)
tglColor((*cf)(m_color));
else
tglColor(m_color);
TPointD oldPos;
//bool firstRing = true;
//double s = 0;
for (UINT i = 0; i < data.size(); i += 2) {
TPointD pos = data[i];
TPointD u = data[i + 1];
TPointD v = rotate90(u);
// disegno un anello della catena
glPushMatrix();
TAffine aff(u.x, v.x, pos.x, u.y, v.y, pos.y);
tglMultMatrix(aff);
glCallList(ringId);
glPopMatrix();
// se e' il caso unisco la catena alla precedente
if (i != 0) {
TPointD q = pos - u * joinPos;
tglDrawSegment(oldPos, q);
}
oldPos = pos + u * joinPos;
}
glDeleteLists(ringId, 1);
}
//-----------------------------------------------------------------------------
void TChainStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
// spessore della catena = spessore "medio" dello stroke
double thickness = 0.25 * (stroke->getThickPoint(0).thick +
stroke->getThickPoint(1.0 / 3.0).thick +
stroke->getThickPoint(2.0 / 3.0).thick +
stroke->getThickPoint(1).thick);
if (thickness < 2) {
TCenterLineStrokeStyle *appStyle = new TCenterLineStrokeStyle(m_color, 0x0, thickness);
appStyle->drawStroke(flash, stroke);
delete appStyle;
return;
}
assert(thickness);
double ringHeight = thickness;
double ringWidth = 1.5 * ringHeight;
double ringDistance = 2 * 1.2 * ringWidth;
double joinPos = 0.45 * ringWidth;
//const int ringId = 124;
double a = .6, b = .6;
TScale scaleM(ringWidth, ringHeight);
vector<TPointD> chain;
chain.push_back(scaleM * TPointD(1, b)); //0
chain.push_back(scaleM * TPointD(a, 1)); //1
chain.push_back(scaleM * TPointD(-a, 1)); //2
chain.push_back(scaleM * TPointD(-1, b)); //3
chain.push_back(scaleM * TPointD(-1, -b)); //4
chain.push_back(scaleM * TPointD(-a, -1)); //5
chain.push_back(scaleM * TPointD(a, -1)); //6
chain.push_back(scaleM * TPointD(1, -b)); //7
chain.push_back(scaleM * TPointD(1, b)); //8
/*
chain.push_back( TPointD(1, b)); //0
chain.push_back( TPointD( a, 1)); //1
chain.push_back( TPointD(-a, 1)); //2
chain.push_back( TPointD(-1, b)); //3
chain.push_back( TPointD(-1,-b)); //4
chain.push_back( TPointD(-a,-1)); //5
chain.push_back( TPointD( a,-1)); //6
chain.push_back( TPointD( 1,-b)); //7
chain.push_back( TPointD(1, b)); //8
*/
vector<TSegment> chainS;
chainS.push_back(TSegment(chain[0], chain[1]));
chainS.push_back(TSegment(chain[1], chain[2]));
chainS.push_back(TSegment(chain[2], chain[3]));
chainS.push_back(TSegment(chain[3], chain[4]));
chainS.push_back(TSegment(chain[4], chain[5]));
chainS.push_back(TSegment(chain[5], chain[6]));
chainS.push_back(TSegment(chain[6], chain[7]));
chainS.push_back(TSegment(chain[7], chain[0]));
flash.setLineColor(m_color);
TPointD oldPos;
bool firstRing = true;
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
// TPointD v = rotate90(u);
TTranslation translM(pos.x, pos.y);
TRotation rotM(rad2degree(atan(u)));
TAffine tM = translM * rotM;
// With direct transformation
vector<TSegment> lchainS;
for (int i = 0; i < 8; i++)
lchainS.push_back(TSegment(tM * chain[i], tM * chain[i + 1]));
flash.drawSegments(lchainS, false);
/*
// With TFlash transformations
flash.pushMatrix();
flash.multMatrix(translM);
flash.multMatrix(rotM);
// flash.multMatrix(scaleM);
flash.drawSegments(chainS,false);
// if (chainId==-1)
// chainId=flash.drawSegments(chainS,false);
// else
// flash.drawShape(chainId);
flash.popMatrix();
*/
if (!firstRing) {
TPointD q = pos - u * joinPos;
vector<TSegment> sv;
sv.push_back(TSegment(oldPos, q));
flash.drawSegments(sv, false);
} else
firstRing = false;
oldPos = pos + u * joinPos;
s += ringDistance;
}
}
//=============================================================================
TSprayStrokeStyle::TSprayStrokeStyle()
: m_color(TPixel32::Blue), m_blend(0.5), m_intensity(10.0), m_radius(0.3)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TSprayStrokeStyle::clone() const
{
return new TSprayStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TSprayStrokeStyle::getParamCount() const
{
return 3;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TSprayStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TSprayStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 3);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TSprayStrokeStyle", "Border Fade");
break;
case 1:
value = QCoreApplication::translate("TSprayStrokeStyle", "Density");
break;
case 2:
value = QCoreApplication::translate("TSprayStrokeStyle", "Size");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TSprayStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 3);
switch (index) {
case 0:
min = 0.0;
max = 1.0;
break;
case 1:
min = 0.0;
max = 100.0;
break;
case 2:
min = 0.0;
max = 1.0;
break;
}
}
//-----------------------------------------------------------------------------
double TSprayStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 3);
double value = 0;
switch (index) {
case 0:
value = m_blend;
break;
case 1:
value = m_intensity;
break;
case 2:
value = m_radius;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TSprayStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 3);
switch (index) {
case 0:
m_blend = value;
break;
case 1:
m_intensity = value;
break;
case 2:
m_radius = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TSprayStrokeStyle::drawStroke(const TColorFunction *cf, const TStroke *stroke) const
{
// TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 4;
double blend = m_blend; //distanza che controlla da dove il gessetto comincia il fade out (0, 1)
double intensity = m_intensity; //quanti punti vengono disegnati ad ogni step
double radius = m_radius;
double decay = 1 - blend;
bool fill = 0;
TPointD pos1;
TRandom rnd;
TPixelD dcolor;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
dcolor = toPixelD(color);
double s = 0;
double minthickness = MINTHICK * sqrt(tglGetPixelSize2());
double thickness = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
TPointD shift;
if (pos.thick < MINTHICK)
thickness = minthickness;
else
thickness = pos.thick;
for (int i = 0; i < intensity; i++) {
double vrandnorm = (0.5 - rnd.getFloat()) * 2;
double randomv = vrandnorm * pos.thick;
double randomu = (0.5 - rnd.getFloat()) * step;
shift = u * randomu + v * randomv;
pos1 = pos + shift;
double mod = fabs(vrandnorm);
if (mod < decay)
glColor4d(dcolor.r, dcolor.g, dcolor.b, rnd.getFloat() * dcolor.m);
else
glColor4d(dcolor.r, dcolor.g, dcolor.b, rnd.getFloat() * (1 - mod) * dcolor.m);
if (fill)
tglDrawDisk(pos1, radius * thickness * rnd.getFloat());
else
tglDrawCircle(pos1, radius * thickness * rnd.getFloat());
}
s += step;
}
}
//-----------------------------------------------------------------------------
void TSprayStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
double step = 4;
double blend = m_blend; //distanza che controlla da dove il gessetto comincia il fade out (0, 1)
double intensity = m_intensity; //quanti punti vengono disegnati ad ogni step
double radius = m_radius;
double decay = 1 - blend;
bool fill = 0;
TPointD pos1;
TRandom rnd;
TPixel32 color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
TPointD shift;
for (int i = 0; i < intensity; i++) {
double vrandnorm = (0.5 - rnd.getFloat()) * 2;
double randomv = vrandnorm * pos.thick;
double randomu = (0.5 - rnd.getFloat()) * step;
shift = u * randomu + v * randomv;
pos1 = pos + shift;
double mod = fabs(vrandnorm);
TPixelD ldcolor = dcolor;
ldcolor.m = mod < decay ? rnd.getFloat() * dcolor.m : rnd.getFloat() * (1 - mod) * dcolor.m;
TPixel32 lcolor;
lcolor = toPixel32(ldcolor);
if (fill) {
flash.setFillColor(lcolor);
double r = radius * pos.thick * rnd.getFloat();
flash.drawEllipse(pos1, r, r);
} else {
flash.setLineColor(lcolor);
flash.setFillColor(TPixel32(0, 0, 0, 0));
flash.setThickness(0.5);
double r = radius * pos.thick * rnd.getFloat();
flash.drawEllipse(pos1, r, r);
}
}
s += step;
}
}
//=============================================================================
TGraphicPenStrokeStyle::TGraphicPenStrokeStyle()
: m_color(TPixel32::Black), m_intensity(10.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TGraphicPenStrokeStyle::clone() const
{
return new TGraphicPenStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TGraphicPenStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TGraphicPenStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TGraphicPenStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TGraphicPenStrokeStyle", "Density");
}
//-----------------------------------------------------------------------------
void TGraphicPenStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 0.0;
max = 10.0;
}
//-----------------------------------------------------------------------------
double TGraphicPenStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_intensity;
}
//-----------------------------------------------------------------------------
void TGraphicPenStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_intensity = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TGraphicPenStrokeStyle::computeData(DrawmodePointsMatrix &data,
const TStroke *stroke,
const TColorFunction *cf) const
{
data.clear();
double length = stroke->getLength();
double step = 10;
TPointD pos1, pos2;
TRandom rnd;
double intensity = m_intensity;
data.reserve(tceil(length / 10.0));
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
TPointD shift;
Points tmpPoints;
tmpPoints.clear();
GLenum drawMode;
for (int i = 0; i < intensity; i++) {
if (pos.thick) {
drawMode = GL_LINES;
tmpPoints.reserve((int)(intensity * 2 + 1));
double randomv = (0.5 - rnd.getFloat()) * pos.thick;
double randomu = (0.5 - rnd.getFloat()) * step;
shift = randomu * u + randomv * v;
pos1 = pos + shift + v * (pos.thick);
pos2 = pos + shift - v * (pos.thick);
tmpPoints.push_back(pos1);
tmpPoints.push_back(pos2);
} else {
drawMode = GL_POINTS;
tmpPoints.reserve((int)(intensity + 1));
tmpPoints.push_back((TPointD)pos);
}
}
if (!tmpPoints.empty()) {
assert(drawMode == GL_POINTS || drawMode == GL_LINES);
data.push_back(make_pair(drawMode, tmpPoints));
}
s += step;
}
}
//-----------------------------------------------------------------------------
void TGraphicPenStrokeStyle::drawStroke(const TColorFunction *cf,
DrawmodePointsMatrix &data,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
DrawmodePointsMatrix::iterator it1 = data.begin();
for (; it1 != data.end(); ++it1) {
if (it1->first == GL_LINES) {
Points::iterator it2 = it1->second.begin();
glBegin(GL_LINES);
for (; it2 != it1->second.end(); ++it2)
tglVertex(*it2);
glEnd();
} else {
assert(it1->first == GL_POINTS);
Points::iterator it2 = it1->second.begin();
glBegin(GL_POINTS);
for (; it2 != it1->second.end(); ++it2)
tglVertex(*it2);
glEnd();
}
}
}
//-----------------------------------------------------------------------------
void TGraphicPenStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
vector<TSegment> segmentsArray;
double length = stroke->getLength();
double step = 10;
TPointD pos1, pos2;
TRandom rnd;
double intensity = m_intensity;
flash.setLineColor(m_color);
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
TPointD shift;
for (int i = 0; i < intensity; i++) {
double randomv = (0.5 - rnd.getFloat()) * pos.thick;
double randomu = (0.5 - rnd.getFloat()) * step;
shift = randomu * u + randomv * v;
pos1 = pos + shift + v * (pos.thick);
pos2 = pos + shift - v * (pos.thick);
segmentsArray.push_back(TSegment(pos1, pos2));
}
s += step;
}
flash.drawSegments(segmentsArray, false);
}
//=============================================================================
namespace
{
double inline get_line_slope(double meter, double inmax, double linemax,
double outmax)
{
if (meter <= inmax)
return meter / inmax;
else if (meter <= inmax + linemax)
return 1;
else if (meter <= inmax + linemax + outmax)
return (inmax + linemax - meter) / outmax + 1;
else
return 0;
}
}
//-----------------------------------------------------------------------------
TDottedLineStrokeStyle::TDottedLineStrokeStyle()
: m_color(TPixel32::Black), m_in(10.0), m_line(50.0), m_out(10.0), m_blank(10.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TDottedLineStrokeStyle::clone() const
{
return new TDottedLineStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TDottedLineStrokeStyle::getParamCount() const
{
return 4;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TDottedLineStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TDottedLineStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 4);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TDottedLineStrokeStyle", "Fade In");
break;
case 1:
value = QCoreApplication::translate("TDottedLineStrokeStyle", "Dash");
break;
case 2:
value = QCoreApplication::translate("TDottedLineStrokeStyle", "Fade Out");
break;
case 3:
value = QCoreApplication::translate("TDottedLineStrokeStyle", "Gap");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TDottedLineStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 4);
switch (index) {
case 0:
min = 1.0;
max = 100.0;
break;
case 1:
min = 1.0;
max = 100.0;
break;
case 2:
min = 1.;
max = 100.0;
break;
case 3:
min = 0.0;
max = 100.0;
break;
}
}
//-----------------------------------------------------------------------------
double TDottedLineStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 4);
double value = 0;
switch (index) {
case 0:
value = m_in;
break;
case 1:
value = m_line;
break;
case 2:
value = m_out;
break;
case 3:
value = m_blank;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TDottedLineStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 4);
switch (index) {
case 0:
m_in = value;
break;
case 1:
m_line = value;
break;
case 2:
m_out = value;
break;
case 3:
m_blank = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TDottedLineStrokeStyle::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
double length = stroke->getLength();
double step = 5.0;
double linemax = m_line;
double inmax = (m_in / 100);
double outmax = (m_out / 100);
double blankmax = m_blank;
double total = 0;
TRandom rnd;
positions.clear();
positions.reserve(tceil(length / step) + 1);
TPointD oldPos1, oldPos2, oldPos3, oldPos4, pos1, pos2, pos3, pos4;
//bool firstRing = true;
double s = 0;
double meter = 0;
double center = 0;
double slopetmp = 0;
double minthickness = MINTHICK * sqrt(tglGetPixelSize2());
double thickness = 0;
double line = 0, in = 0, out = 0, blank = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
if (pos.thick < MINTHICK)
thickness = minthickness;
else
thickness = pos.thick;
if (meter >= total) {
meter = 0;
line = linemax * (1 + rnd.getFloat()) * thickness;
if (line > length - s)
line = length - s;
in = inmax * line;
out = outmax * line;
line = line - in - out;
blank = blankmax * (1 + rnd.getFloat()) * thickness;
if (in + out > length) {
in = rnd.getFloat() * (length / 2);
out = length - in;
line = 0;
}
total = in + line + out + blank;
} else if (meter > in + line + out + step) {
s += step;
meter += step;
continue;
}
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
double slope = 0;
slope = get_line_slope(meter, in, line, out);
slopetmp = slope;
TPointD v = rotate90(u) * (thickness)*slope;
if (pos.thick * slope < 1)
center = 0.0;
else
center = 0.5;
pos1 = pos + v;
pos2 = pos + v * 0.5;
pos3 = pos - v * 0.5;
pos4 = pos - v;
positions.push_back(pos1);
positions.push_back(pos2);
positions.push_back(pos3);
positions.push_back(pos4);
s += step;
meter += step;
}
}
//-----------------------------------------------------------------------------
void TDottedLineStrokeStyle::drawStroke(const TColorFunction *cf, Points &positions, const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
for (UINT i = 4; i < positions.size(); i += 4) {
glBegin(GL_QUAD_STRIP);
glColor4ub(color.r, color.g, color.b, 0);
tglVertex(positions[i - 4]);
tglVertex(positions[i]);
glColor4ub(color.r, color.g, color.b, color.m);
tglVertex(positions[i - 3]);
tglVertex(positions[i + 1]);
tglVertex(positions[i - 2]);
tglVertex(positions[i + 2]);
glColor4ub(color.r, color.g, color.b, 0);
tglVertex(positions[i - 1]);
tglVertex(positions[i + 3]);
glEnd();
}
}
//-----------------------------------------------------------------------------
void TDottedLineStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 5.0;
double linemax = m_line;
double inmax = m_in / 100;
double outmax = m_out / 100;
double blankmax = m_blank;
double total = 0;
TRandom rnd;
TPixel32 color = m_color;
TPixel32 color_transp(color.r, color.g, color.b, 0);
TPointD oldPos1, oldPos2, oldPos3, oldPos4, pos1, pos2, pos3, pos4;
bool firstRing = true;
double s = 0;
double meter = 0;
double center = 0;
double slopetmp = 0;
double minthickness = MINTHICK;
double thickness = 0;
SFlashUtils sfu;
flash.setThickness(0.0);
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
double line = 0, in = 0, out = 0, blank = 0;
if (pos.thick < MINTHICK)
thickness = minthickness;
else
thickness = pos.thick;
if (meter >= total) {
meter = 0;
line = linemax * (1 + rnd.getFloat()) * thickness;
if (line > length - s)
line = length - s;
in = inmax * line;
out = outmax * line;
line = line - in - out;
blank = blankmax * (1 + rnd.getFloat()) * thickness;
/* --- OLD Version ---
line=linemax*(1+rnd.getFloat());
in=inmax*(1+rnd.getFloat())*pos.thick;
out=outmax*(1+rnd.getFloat())*pos.thick;
blank=blankmax*(1+rnd.getFloat())*pos.thick;
*/
if (in + out > length) {
in = rnd.getFloat() * (length / 2);
out = length - in;
line = 0;
}
total = in + line + out + blank;
} else if (meter > in + line + out + step) {
s += step;
meter += step;
continue;
}
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
double slope = 0;
if (s <= length - out) {
slope = get_line_slope(meter, in, line, out);
slopetmp = slope;
} else
slope = (length - s) * (slopetmp / out);
TPointD v = rotate90(u) * (pos.thick) * slope;
if (pos.thick * slope < 1)
center = 0.0;
else
center = 0.5;
pos1 = pos + v;
pos2 = pos + v * 0.5;
pos3 = pos - v * 0.5;
pos4 = pos - v;
if (firstRing) {
firstRing = false;
} else {
vector<TPointD> pv;
pv.push_back(oldPos1);
pv.push_back(pos1);
pv.push_back(pos2);
pv.push_back(oldPos2);
sfu.drawGradedPolyline(flash, pv, color_transp, color);
pv.clear();
pv.push_back(oldPos2);
pv.push_back(pos2);
pv.push_back(pos3);
pv.push_back(oldPos3);
flash.setFillColor(color);
flash.drawPolyline(pv);
pv.clear();
pv.push_back(oldPos3);
pv.push_back(pos3);
pv.push_back(pos4);
pv.push_back(oldPos4);
sfu.drawGradedPolyline(flash, pv, color, color_transp);
}
oldPos1 = pos1;
oldPos2 = pos2;
oldPos3 = pos3;
oldPos4 = pos4;
s += step;
meter += step;
}
}
//=============================================================================
TRopeStrokeStyle::TRopeStrokeStyle()
: m_color(TPixel32(255, 135, 0)), m_bend(0.4)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TRopeStrokeStyle::clone() const
{
return new TRopeStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TRopeStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TRopeStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TRopeStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TRopeStrokeStyle", "Tilt");
}
//-----------------------------------------------------------------------------
void TRopeStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = -1.0;
max = 1.0;
}
//-----------------------------------------------------------------------------
double TRopeStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_bend;
}
//-----------------------------------------------------------------------------
void TRopeStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_bend = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TRopeStrokeStyle::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
double length = stroke->getLength();
// spessore della catena = spessore "medio" dello stroke
double step = 10.0;
double bend;
double bump;
double bump_max = step / 4;
positions.clear();
positions.reserve(tceil(length / step) + 1);
TPointD oldPos1, oldPos2;
bool firstRing = true;
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
bend = pos.thick * m_bend;
bump = pos.thick * 0.3;
if (bump >= bump_max)
bump = bump_max;
TPointD v = rotate90(u) * pos.thick;
TPointD v1 = v * 0.2;
if (firstRing) {
firstRing = false;
} else {
positions.push_back(pos + (bend + bump) * u + v - v1);
positions.push_back(pos + (bend)*u + v);
positions.push_back(oldPos1 + (bump)*u + v1);
positions.push_back(oldPos1);
positions.push_back(oldPos2);
positions.push_back(oldPos2 + bump * u - v1);
positions.push_back(pos + u * (-bend) - v);
positions.push_back(pos + u * (bump - bend) - v + v1);
}
oldPos1 = pos + (bend + bump) * u + v - v1;
oldPos2 = pos + u * (bump - bend) - v + v1;
s += step;
}
positions.push_back(oldPos1);
positions.push_back(oldPos2);
}
//-----------------------------------------------------------------------------
void TRopeStrokeStyle::drawStroke(const TColorFunction *cf, Points &positions, const TStroke *stroke) const
{
if (positions.size() <= 1)
return;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
// GLuint rope_id;
TPixel32 blackcolor(TPixel32::Black);
if (cf)
blackcolor = (*(cf))(blackcolor);
else
blackcolor = blackcolor;
//rope_id = glGenLists(1);
static const int stride = sizeof(TPointD);
glEnableClientState(GL_VERTEX_ARRAY);
UINT i = 0;
for (; i < positions.size() - 2; i += 8) {
/*
glNewList(rope_id,GL_COMPILE);
tglVertex(positions[i]);
tglVertex(positions[i+1]);
tglVertex(positions[i+2]);
tglVertex(positions[i+3]);
tglVertex(positions[i+4]);
tglVertex(positions[i+5]);
tglVertex(positions[i+6]);
tglVertex(positions[i+7]);
glEndList();
*/
tglColor(color);
//glBegin(GL_POLYGON);
glVertexPointer(2, GL_DOUBLE, stride, &positions[i]);
glDrawArrays(GL_POLYGON, 0, 8);
//glCallList(rope_id);
//glEnd();
tglColor(blackcolor);
//glBegin(GL_LINE_STRIP);
glVertexPointer(2, GL_DOUBLE, stride, &positions[i]);
glDrawArrays(GL_LINE_STRIP, 0, 8);
//glCallList(rope_id);
//glEnd();
}
glDisableClientState(GL_VERTEX_ARRAY);
glBegin(GL_LINE_STRIP);
tglVertex(positions[i]);
tglVertex(positions[i + 1]);
glEnd();
//glDeleteLists(rope_id,1);
}
//-----------------------------------------------------------------------------
void TRopeStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
// spessore della catena = spessore "medio" dello stroke
double step = 10.0;
double bend;
double bump;
double bump_max = step / 4;
TPixel32 color = m_color;
TPixel32 blackcolor(TPixel32::Black);
TPointD oldPos1, oldPos2;
bool firstRing = true;
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
bend = pos.thick * m_bend;
bump = pos.thick * 0.3;
if (bump >= bump_max)
bump = bump_max;
TPointD v = rotate90(u) * pos.thick;
TPointD v1 = v * 0.2;
if (firstRing) {
firstRing = false;
} else {
const int nbpp = 8;
TPointD pp[nbpp];
pp[0] = (pos + (bend + bump) * u + v - v1);
pp[1] = (pos + (bend)*u + v);
pp[2] = (oldPos1 + (bump)*u + v1);
pp[3] = (oldPos1);
pp[4] = (oldPos2);
pp[5] = (oldPos2 + bump * u - v1);
pp[6] = (pos + u * (-bend) - v);
pp[7] = (pos + u * (bump - bend) - v + v1);
vector<TPointD> pv;
int i;
for (i = 0; i < nbpp; i++)
pv.push_back(pp[i]);
flash.setFillColor(color);
flash.drawPolyline(pv);
vector<TSegment> sv;
for (i = 0; i < (nbpp - 1); i++)
sv.push_back(TSegment(pp[i], pp[i + 1]));
flash.setThickness(1.0);
flash.setLineColor(blackcolor);
flash.drawSegments(sv, false);
}
oldPos1 = pos + (bend + bump) * u + v - v1;
oldPos2 = pos + u * (bump - bend) - v + v1;
s += step;
}
vector<TSegment> sv;
sv.push_back(TSegment(oldPos1, oldPos2));
flash.setLineColor(blackcolor);
flash.drawSegments(sv, false);
}
//=============================================================================
TCrystallizeStrokeStyle::TCrystallizeStrokeStyle()
: m_color(TPixel32(255, 150, 150, 255)), m_period(10.0), m_opacity(0.5)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TCrystallizeStrokeStyle::clone() const
{
return new TCrystallizeStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TCrystallizeStrokeStyle::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TCrystallizeStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TCrystallizeStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? QCoreApplication::translate("TCrystallizeStrokeStyle", "Crease") : QCoreApplication::translate("TCrystallizeStrokeStyle", "Opacity");
}
//-----------------------------------------------------------------------------
void TCrystallizeStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 2);
if (index == 0) {
min = 1.0;
max = 100.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TCrystallizeStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? m_period : m_opacity;
}
//-----------------------------------------------------------------------------
void TCrystallizeStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 2);
if (index == 0)
m_period = value;
else
m_opacity = value;
//updateVersionNumber(); non serve perche' i parametri vengono sfrutttati direttamente nella draw
}
//-----------------------------------------------------------------------------
void TCrystallizeStrokeStyle::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
double length = stroke->getLength();
double step = 10.0;
TRandom rnd;
positions.clear();
positions.reserve(tceil((length + 1) / step));
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * (pos.thick / 2);
positions.push_back(pos + v * (1 + rnd.getFloat()) + u * 2 * rnd.getFloat());
positions.push_back(pos - v * (1 + rnd.getFloat()) - u * 2 * rnd.getFloat());
s += step;
}
}
//-----------------------------------------------------------------------------
void TCrystallizeStrokeStyle::drawStroke(const TColorFunction *cf, Points &positions, const TStroke *stroke) const
{
//double length = stroke->getLength();
double step = 10.0;
double period = (101 - m_period) * step;
double counter = 0;
double opacity = m_opacity;
TRandom rnd;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
TPixelD dcolor = toPixelD(color);
//double s = 0;
glBegin(GL_QUAD_STRIP);
for (int i = 0; i < (int)positions.size() / 2; i++) {
if (counter > period)
counter = 0;
glColor4d(dcolor.r, dcolor.g, dcolor.b, (opacity + (counter / period) * rnd.getFloat()) * dcolor.m);
tglVertex(positions[i * 2]);
tglVertex(positions[i * 2 + 1]);
counter += step;
}
glEnd();
counter = 0;
glColor4d(dcolor.r, dcolor.g, dcolor.b, dcolor.m);
for (int j = 1; j < (int)positions.size() / 2; j++) {
glBegin(GL_LINES);
tglVertex(positions[(j - 1) * 2]);
tglVertex(positions[j * 2]);
glEnd();
glBegin(GL_LINES);
tglVertex(positions[(j - 1) * 2 + 1]);
tglVertex(positions[j * 2 + 1]);
glEnd();
}
}
//-----------------------------------------------------------------------------
void TCrystallizeStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
double step = 10.0;
double period = m_period * step;
double counter = 0;
double opacity = m_opacity;
TRandom rnd;
// const double flashGrad=16384.0;
TPixel32 color = m_color;
TPixelD dcolor = toPixelD(color);
vector<TPointD> points1;
vector<TPointD> points2;
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * (pos.thick / 2);
points1.push_back(pos + v * (1 + rnd.getFloat()) + u * 2 * rnd.getFloat());
points2.push_back(pos - v * (1 + rnd.getFloat()) - u * 2 * rnd.getFloat());
s += step;
}
// Just for the polygon grading function
// SRegionDrawInFlash rdf;
SFlashUtils sfu;
TPixelD ldcolorPrev = dcolor;
ldcolorPrev.m = (opacity + (0.0 / period) * rnd.getFloat()) * dcolor.m;
flash.setThickness(0.0);
for (int i = 0; i < (int)(points1.size() - 1); i++) {
if (counter > period)
counter = 0;
TPixelD ldcolor = dcolor;
ldcolor.m = (opacity + (counter / period) * rnd.getFloat()) * dcolor.m;
TPixel32 lcolorPrev;
lcolorPrev = toPixel32(ldcolorPrev);
TPixel32 lcolor;
lcolor = toPixel32(ldcolor);
vector<TPointD> tpv;
tpv.push_back(points1[i]);
tpv.push_back(points2[i]);
tpv.push_back(points2[i + 1]);
tpv.push_back(points1[i + 1]);
// Solid Color version
// flash.setFillColor(blend(lcolorPrev,lcolor,0.5));
// flash.drawPolyline(tpv);
sfu.drawGradedPolyline(flash, tpv, lcolorPrev, lcolor);
counter += step;
ldcolorPrev = ldcolor;
}
counter = 0;
vector<TSegment> tsv1, tsv2;
for (int j = 1; j < (int)points1.size(); j++) {
tsv1.push_back(TSegment(points1[j - 1], points1[j]));
tsv2.push_back(TSegment(points2[j - 1], points2[j]));
}
flash.setThickness(1.0);
flash.setLineColor(color);
flash.drawSegments(tsv1, false);
flash.drawSegments(tsv2, false);
}
//=============================================================================
namespace
{
class Stripe
{
public:
TPointD oldpos1;
TPointD oldpos2;
TPointD pos1;
TPointD pos2;
int phase;
TPixel32 color;
Stripe();
void drawpolygon();
void drawpolygon(TFlash &flash);
void drawlines(TPixel32 blackcolor);
void addToSegment(vector<TSegment> *sv, vector<TSegment> &scontour, TPixel32 *colors);
};
Stripe::Stripe()
{
oldpos1 = TPointD(0, 0);
oldpos2 = TPointD(0, 0);
pos1 = TPointD(0, 0);
pos2 = TPointD(0, 0);
color = TPixel32(0, 0, 0);
phase = 0;
}
void Stripe::drawpolygon()
{
tglColor(color);
glBegin(GL_POLYGON);
tglVertex(oldpos1);
tglVertex(pos1);
tglVertex(pos2);
tglVertex(oldpos2);
glEnd();
}
void Stripe::drawpolygon(TFlash &flash)
{
vector<TPointD> pv;
pv.push_back(oldpos1);
pv.push_back(oldpos2);
pv.push_back(pos2);
pv.push_back(pos1);
flash.setThickness(0);
flash.setFillColor(color);
flash.drawPolyline(pv);
// Draws the black contour
flash.setThickness(0.5);
flash.setLineColor(TPixel32::Black);
vector<TSegment> sv;
sv.push_back(TSegment(oldpos1, pos1));
sv.push_back(TSegment(oldpos2, pos2));
flash.drawSegments(sv, false);
// It is better, but the flash.drawLine() is missing in my SDK
/* flash.setThickness(0.5);
flash.setLineColor(TPixel32::Black);
flash.drawLine(oldpos1,pos1);
flash.drawLine(oldpos2,pos2);
*/
}
void Stripe::addToSegment(vector<TSegment> *sv, vector<TSegment> &scontour,
TPixel32 *colors)
{
TPointD p0 = (oldpos1 + oldpos2) * 0.5;
TPointD p1 = (pos1 + pos2) * 0.5;
// TPointD p0=oldpos1;
// TPointD p1=pos1;
if (color == colors[0])
sv[0].push_back(TSegment(p0, p1));
if (color == colors[1])
sv[1].push_back(TSegment(p0, p1));
if (color == colors[2])
sv[2].push_back(TSegment(p0, p1));
scontour.push_back(TSegment(oldpos1, pos1));
scontour.push_back(TSegment(oldpos2, pos2));
}
void Stripe::drawlines(TPixel32 blackcolor)
{
tglColor(blackcolor);
glBegin(GL_LINE_STRIP);
tglVertex(oldpos1);
tglVertex(pos1);
glEnd();
glBegin(GL_LINE_STRIP);
tglVertex(pos2);
tglVertex(oldpos2);
glEnd();
}
}
//-----------------------------------------------------------------------------
TBraidStrokeStyle::TBraidStrokeStyle()
: m_period(80.0)
{
m_colors[0] = TPixel32::Red;
m_colors[1] = TPixel32::Green;
m_colors[2] = TPixel32::Blue;
}
//-----------------------------------------------------------------------------
TColorStyle *TBraidStrokeStyle::clone() const
{
return new TBraidStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TBraidStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TBraidStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TBraidStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TBraidStrokeStyle", "Twirl");
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 1.0;
max = 100.0;
}
//-----------------------------------------------------------------------------
double TBraidStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_period;
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_period = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
TPixel32 TBraidStrokeStyle::getColorParamValue(int index) const
{
TPixel32 tmp;
switch (index) {
case (0):
tmp = m_colors[0];
break;
case (1):
tmp = m_colors[1];
break;
case (2):
tmp = m_colors[2];
break;
}
return tmp;
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::setColorParamValue(int index, const TPixel32 &color)
{
switch (index) {
case (0):
m_colors[0] = color;
break;
case (1):
m_colors[1] = color;
break;
case (2):
m_colors[2] = color;
break;
}
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 112)
throw TException("Braid stroke style: unknown obsolete format");
is >> m_colors[0] >> m_period;
m_period /= 10.0;
m_colors[0] = TPixel32::Red;
m_colors[1] = TPixel32::Green;
m_colors[2] = TPixel32::Blue;
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::drawStroke(const TColorFunction *cf, const TStroke *stroke) const
{
double length = stroke->getLength();
const int ntick = 81;
const double stripethickness = 0.3;
int period = (int)(101 - m_period) * 20;
double step = period / (double)ntick;
double freq = 2 * TConsts::pi / ntick;
int swapcount = 0;
int count = 0;
bool firstRing = true;
double s = 0;
double swap;
vector<Stripe> braid;
vector<double> ssin;
int k = 0;
TPixel32 colors[3];
for (k = 0; k < 3; k++) {
if (cf)
colors[k] = (*(cf))(m_colors[k]);
else
colors[k] = m_colors[k];
}
TPixel32 blackcolor = TPixel32::Black;
if (cf)
blackcolor = (*(cf))(blackcolor);
for (k = 0; k < 3; k++) {
Stripe tmp;
tmp.phase = (ntick * k) / 3;
tmp.color = colors[k];
braid.push_back(tmp);
}
for (int z = 0; z < ntick; z++) {
double tmpsin = sin(z * freq);
ssin.push_back(tmpsin);
}
while (s <= length) {
count++;
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * pos.thick;
TPointD v1 = v * stripethickness;
v = v * 0.5;
//int modper=(int)s%(int)period;
if (firstRing) {
firstRing = false;
swap = 0;
for (int j = 0; j < (int)braid.size(); j++) {
int tmp = (count + braid[j].phase) % ntick;
braid[j].oldpos1 = pos + v * ssin[tmp];
braid[j].oldpos2 = pos + v * ssin[tmp] + v1;
}
} else {
for (int i = 0; i < (int)braid.size(); i++) {
int tmp = (count + braid[i].phase) % ntick;
braid[i].pos1 = pos + v * ssin[tmp];
braid[i].pos2 = pos + v * ssin[tmp] + v1;
braid[i].drawpolygon();
braid[i].drawlines(blackcolor);
braid[i].oldpos1 = pos + v * ssin[tmp];
braid[i].oldpos2 = pos + v * ssin[tmp] + v1;
}
}
s += step;
swap += step;
if (swap > (period / 3.0)) {
swapcount++;
tswap(braid[0], braid[1 + (swapcount & 1)]);
swap -= period / 3.0;
}
}
}
//-----------------------------------------------------------------------------
void TBraidStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
const int ntick = 162;
const double stripethickness = 0.3;
int period = (int)(101 - m_period) * 20;
double step = period / (double)ntick;
double freq = 2 * TConsts::pi / ntick;
int swapcount = 0;
int count = 0;
bool firstRing = true;
double s = 0;
double swap;
vector<Stripe> braid;
vector<double> ssin;
int k = 0;
TPixel32 colors[3];
for (k = 0; k < 3; k++)
colors[k] = m_colors[k];
TPixel32 blackcolor = TPixel32::Black;
for (k = 0; k < 3; k++) {
Stripe tmp;
tmp.phase = (ntick * k) / 3;
tmp.color = colors[k];
braid.push_back(tmp);
}
for (int z = 0; z < ntick; z++) {
double tmpsin = sin(z * freq);
ssin.push_back(tmpsin);
}
while (s <= length) {
count++;
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * pos.thick;
TPointD v1 = v * stripethickness;
v = v * 0.5;
//int modper=(int)s%(int)period;
if (firstRing) {
firstRing = false;
swap = 0;
for (int j = 0; j < (int)braid.size(); j++) {
int tmp = (count + braid[j].phase) % ntick;
braid[j].oldpos1 = pos + v * ssin[tmp];
braid[j].oldpos2 = pos + v * ssin[tmp] + v1;
}
} else {
for (int i = 0; i < (int)braid.size(); i++) {
int tmp = (count + braid[i].phase) % ntick;
braid[i].pos1 = pos + v * ssin[tmp];
braid[i].pos2 = pos + v * ssin[tmp] + v1;
braid[i].drawpolygon(flash);
braid[i].oldpos1 = pos + v * ssin[tmp];
braid[i].oldpos2 = pos + v * ssin[tmp] + v1;
}
}
s += step;
swap += step;
if (swap > (period / 3.0)) {
swapcount++;
tswap(braid[0], braid[1 + (swapcount & 1)]);
swap -= period / 3.0;
}
}
}
//=============================================================================
TSketchStrokeStyle::TSketchStrokeStyle()
: m_color(TPixel32(100, 100, 150, 127)), m_density(0.4)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TSketchStrokeStyle::clone() const
{
return new TSketchStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TSketchStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TSketchStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TSketchStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TSketchStrokeStyle", "Density");
}
//-----------------------------------------------------------------------------
void TSketchStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 0.0;
max = 1.0;
}
//-----------------------------------------------------------------------------
double TSketchStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_density;
}
//-----------------------------------------------------------------------------
void TSketchStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_density = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TSketchStrokeStyle::drawStroke(const TColorFunction *cf, const TStroke *stroke) const
{
double length = stroke->getLength();
if (length <= 0)
return;
int count = (int)(length * m_density);
double maxDw = tmin(1.0, 20.0 / length);
double minDw = 1.0 / length;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
TRandom rnd;
for (int i = 0; i < count; i++) {
double r = rnd.getFloat();
double dw = (1 - r) * minDw + r * maxDw;
double wmin = dw, wmax = 1 - dw;
if (wmin >= wmax)
continue;
r = rnd.getFloat();
double w = (1 - r) * wmin + r * wmax;
double w0 = w - dw;
double w1 = w + dw;
TThickPoint p0 = stroke->getThickPoint(w0);
TThickPoint p1 = stroke->getThickPoint(w1);
double d01 = tdistance(p0, p1);
if (d01 == 0)
continue;
int count = (int)(d01);
TPointD v0 = stroke->getSpeed(w0);
TPointD v1 = stroke->getSpeed(w1);
if (norm2(v0) == 0 || norm2(v1) == 0)
continue; // non dovrebbe succedere mai, ma....
v0 = rotate90(normalize(v0));
v1 = rotate90(normalize(v1));
double delta = 0.5 * (rnd.getFloat() - 0.5) * (p0.thick + p1.thick);
double d = 0.1 * d01;
double delta0 = delta - d;
double delta1 = delta + d;
glBegin(GL_LINE_STRIP);
tglVertex(p0 + v0 * delta0);
for (int j = 1; j < count; j++) {
double t = j / (double)count;
w = (1 - t) * w0 + t * w1;
TPointD v = rotate90(normalize(stroke->getSpeed(w)));
assert(0 <= w && w <= 1);
TPointD p = stroke->getPoint(w);
double delta_t = (1 - t) * delta0 + t * delta1;
tglVertex(p + v * delta_t);
}
tglVertex(p1 + v1 * delta1);
glEnd();
}
glColor4d(0, 0, 0, 1);
}
//-----------------------------------------------------------------------------
void TSketchStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
if (length <= 0)
return;
vector<TQuadratic> quadsArray;
int count = (int)(length * m_density);
double maxDw = tmin(1.0, 20.0 / length);
double minDw = 1.0 / length;
TPixel color(m_color.r, m_color.g, m_color.b, m_color.m);
flash.setLineColor(color);
TRandom rnd;
for (int i = 0; i < count; i++) {
double r = rnd.getFloat();
double dw = (1 - r) * minDw + r * maxDw;
double wmin = dw, wmax = 1 - dw;
if (wmin >= wmax)
continue;
r = rnd.getFloat();
double w = (1 - r) * wmin + r * wmax;
double w0 = w - dw;
double w1 = w + dw;
TThickPoint p0 = stroke->getThickPoint(w0);
TThickPoint p1 = stroke->getThickPoint(w1);
double d01 = tdistance(p0, p1);
if (d01 == 0)
continue;
//int count = (int)(d01);
TPointD v0 = stroke->getSpeed(w0);
TPointD v1 = stroke->getSpeed(w1);
if (norm2(v0) == 0 || norm2(v1) == 0)
continue; // non dovrebbe succedere mai, ma....
v0 = rotate90(normalize(v0));
v1 = rotate90(normalize(v1));
double delta = 0.5 * (rnd.getFloat() - 0.5) * (p0.thick + p1.thick);
double d = 0.1 * d01;
double delta0 = delta - d;
double delta1 = delta + d;
TPointD v = rotate90(normalize(stroke->getSpeed(0.5 * (w0 + w1))));
TPointD p = stroke->getPoint(0.5 * (w0 + w1));
double delta_t = 0.5 * (delta0 + delta1);
//quadsArray.push_back(TSegment(p0 + v0*delta0, p1 + v1*delta1));
TPointD pp0 = p0 + v0 * delta0;
TPointD pp2 = p1 + v1 * delta1;
TPointD pp1 = 2 * (p + v * delta_t) - 0.5 * (pp0 + pp2); //punto p1 ottenuto imponendo che la quad passi per il punto p in t=.5
quadsArray.push_back(TQuadratic(pp0, pp1, pp2));
}
flash.drawquads(quadsArray);
}
//=============================================================================
TBubbleStrokeStyle::TBubbleStrokeStyle()
: m_color0(TPixel32::Red), m_color1(TPixel32::Green)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TBubbleStrokeStyle::clone() const
{
return new TBubbleStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
void TBubbleStrokeStyle::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 114)
throw TException("Bubble stroke style: unknown obsolete format");
m_color0 = TPixel32::Red;
m_color1 = TPixel32::Green;
}
//-----------------------------------------------------------------------------
void TBubbleStrokeStyle::drawStroke(const TColorFunction *cf, const TStroke *stroke) const
{
double length = stroke->getLength();
if (length <= 0)
return;
TRandom rnd(0);
TPixel32 color0, color1;
if (cf) {
color0 = (*(cf))(m_color0);
color1 = (*(cf))(m_color1);
} else {
color0 = m_color0;
color1 = m_color1;
}
double minthickness = MINTHICK * sqrt(tglGetPixelSize2());
double thickness = 0;
for (double s = 0; s < length; s += 5) {
TPointD p = stroke->getPointAtLength(s);
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
int toff = rnd.getInt(0, 999);
int t = (m_currentFrame + toff) % 1000;
TRandom rnd2(t >> 2);
p += 2 * TPointD(-0.5 + rnd2.getFloat(), -0.5 + rnd2.getFloat());
if (pos.thick < MINTHICK)
thickness = minthickness;
else
thickness = pos.thick;
tglColor(blend(color0, color1, rnd.getFloat()));
double radius = (t & ((int)(thickness)));
tglDrawCircle(p, radius);
}
}
//-----------------------------------------------------------------------------
void TBubbleStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
if (length <= 0)
return;
TRandom rnd(0);
static int count = 0;
count++;
TPixel32 color0 = m_color0;
TPixel32 color1 = m_color1;
for (double s = 0; s < length; s += 5) {
TPointD p = stroke->getPointAtLength(s);
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
int toff = rnd.getInt(0, 999);
int t = (count + toff) % 1000;
TRandom rnd2(t >> 2);
p += 2 * TPointD(-0.5 + rnd2.getFloat(), -0.5 + rnd2.getFloat());
double r = (t & ((int)(pos.thick)));
flash.setThickness(0.5);
flash.setLineColor(blend(color0, color1, rnd.getFloat()));
flash.setFillColor(TPixel32(0, 0, 0, 0));
flash.drawEllipse(p, r, r);
}
}
//=============================================================================
TTissueStrokeStyle::TTissueStrokeStyle()
: m_color(TPixel32::Black), m_density(3.0), m_border(1.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TTissueStrokeStyle::clone() const
{
return new TTissueStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TTissueStrokeStyle::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TTissueStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TTissueStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? QCoreApplication::translate("TTissueStrokeStyle", "Density") : QCoreApplication::translate("TTissueStrokeStyle", "Border Size");
}
//-----------------------------------------------------------------------------
void TTissueStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 2);
if (index == 0) {
min = 2.0;
max = 10.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TTissueStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? m_density : m_border;
}
//-----------------------------------------------------------------------------
void TTissueStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 2);
if (index == 0)
m_density = value;
else
m_border = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TTissueStrokeStyle::computeData(PointMatrix &data,
const TStroke *stroke,
const TColorFunction *cf) const
{
data.clear();
double length = stroke->getLength();
double step = 5.0;
double border = m_border;
TPointD pos1, oldPos1;
TRandom rnd;
double increment = 0.0;
int intensity = (int)m_density + 2;
vector<TPointD> points;
vector<TPointD> oldpoints;
double s = 0;
bool firstRing = true;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
increment = (2 * pos.thick) / (intensity - 1);
for (int i = 1; i < intensity - 1; i++) {
pos1 = pos + v * (-pos.thick + i * increment);
points.push_back(pos1);
}
if (firstRing) {
firstRing = false;
} else {
Points tmpPoints1;
tmpPoints1.clear();
tmpPoints1.reserve(intensity);
for (int i = 1; i < intensity - 1; i++) {
pos1 = points[i - 1];
oldPos1 = oldpoints[i - 1];
tmpPoints1.push_back(oldPos1);
tmpPoints1.push_back(pos1);
}
data.push_back(tmpPoints1);
if (increment > 1) {
int count = tceil(step / increment + 1);
Points tmpPoints2;
tmpPoints2.clear();
tmpPoints2.reserve(count);
double startpoint = -step - increment / 2.0;
for (int j = 1; j < step / increment + 1; j++) {
tmpPoints2.push_back(points[0] - v * border * increment * rnd.getFloat() + u * (startpoint + j * (increment)));
tmpPoints2.push_back(points[intensity - 3] + v * border * increment * rnd.getFloat() + u * (startpoint + j * (increment)));
}
data.push_back(tmpPoints2);
}
}
oldpoints = points;
points.clear();
s += step;
}
}
//-----------------------------------------------------------------------------
void TTissueStrokeStyle::drawStroke(const TColorFunction *cf,
PointMatrix &data,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
PointMatrix::iterator it1 = data.begin();
for (; it1 != data.end(); ++it1) {
glBegin(GL_LINES);
Points::iterator it2 = (*it1).begin();
for (; it2 != (*it1).end(); ++it2) {
tglVertex(*it2);
}
glEnd();
}
}
//-----------------------------------------------------------------------------
void TTissueStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
double step = 5.0;
double border = m_border;
TPointD pos1, oldPos1;
TRandom rnd;
double increment = 0.0;
int intensity = (int)m_density + 2;
vector<TPointD> points;
vector<TPointD> oldpoints;
TPixel32 color = m_color;
flash.setLineColor(m_color);
flash.setThickness(1.0);
double s = 0;
bool firstRing = true;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
increment = (2 * pos.thick) / (intensity - 1);
for (int i = 1; i < intensity - 1; i++) {
pos1 = pos + v * (-pos.thick + i * increment);
points.push_back(pos1);
}
if (firstRing) {
firstRing = false;
} else {
flash.setThickness(1.5);
vector<TSegment> sv;
for (int i = 1; i < intensity - 1; i++) {
pos1 = points[i - 1];
oldPos1 = oldpoints[i - 1];
sv.push_back(TSegment(oldPos1, pos1));
}
flash.drawSegments(sv, false);
if (increment > 1) {
sv.clear();
double startpoint = -step - increment / 2.0;
for (int j = 1; j < step / increment + 1; j++) {
TPointD p0 = points[0] - v * border * increment * rnd.getFloat() + u * (startpoint + j * (increment));
TPointD p1 = points[intensity - 3] + v * border * increment * rnd.getFloat() + u * (startpoint + j * (increment));
// vector<TSegment> sv;
sv.push_back(TSegment(p0, p1));
}
flash.drawSegments(sv, false);
}
}
oldpoints = points;
points.clear();
s += step;
}
}
//=============================================================================
TBiColorStrokeStyle::TBiColorStrokeStyle()
: m_color0(TPixel32::Red), m_color1(TPixel32::Black)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TBiColorStrokeStyle::clone() const
{
return new TBiColorStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::loadData(TInputStreamInterface &is)
{
is >> m_color0 >> m_color1 >> m_parameter;
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::saveData(TOutputStreamInterface &os) const
{
os << m_color0 << m_color1 << m_parameter;
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::drawRegion(const TColorFunction *cf, const bool antiAliasing, TRegionOutline &boundary) const
{
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 115 && ids != 119)
throw TException("Bicolor stroke style: unknown obsolete format");
is >> m_color0 >> m_parameter;
m_color1 = TPixel32::Black;
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::drawStroke(const TColorFunction *cf, TStrokeOutline *outline,
const TStroke *stroke) const
{
TPixel32 color0 = m_color0;
TPixel32 color1 = m_color1;
if (cf) {
color0 = (*(cf))(m_color0);
color1 = (*(cf))(m_color1);
} else {
color0 = m_color0;
color1 = m_color1;
}
UINT i;
const std::vector<TOutlinePoint> &v = outline->getArray();
if (v.empty())
return;
// outline with antialiasing
glBegin(GL_LINE_STRIP);
tglColor(color0);
for (i = 0; i < v.size(); i += 2)
glVertex2dv(&v[i].x);
glEnd();
glBegin(GL_LINE_STRIP);
tglColor(color1);
for (i = 1; i < v.size(); i += 2)
glVertex2dv(&v[i].x);
glEnd();
glBegin(GL_QUAD_STRIP);
for (i = 0; i < v.size(); i += 2) {
tglColor(color0);
glVertex2dv(&v[i].x);
tglColor(color1);
glVertex2dv(&v[i + 1].x);
}
glEnd();
}
//-----------------------------------------------------------------------------
void TBiColorStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
TOutlineUtil::OutlineParameter param;
param.m_lengthStep = tmax(10.0, m_parameter);
TStrokeOutline outline;
TOutlineStyle::computeOutline(stroke, outline, param);
const std::vector<TOutlinePoint> &v = outline.getArray();
if (v.empty())
return;
TPixel32 color0 = m_color0;
TPixel32 color1 = m_color1;
flash.setThickness(0.0);
// Just for the polygon grading function
SFlashUtils sfu;
for (UINT i = 0; i < (v.size() - 3); i += 2) {
vector<TPointD> plv;
plv.push_back(TPointD(v[i].x, v[i].y));
plv.push_back(TPointD(v[i + 2].x, v[i + 2].y));
plv.push_back(TPointD(v[i + 3].x, v[i + 3].y));
plv.push_back(TPointD(v[i + 1].x, v[i + 1].y));
// flash.setFillColor(blend(color0,color1,0.5));
// flash.drawPolyline(plv);
// graded multipolygons
sfu.drawGradedPolyline(flash, plv, color0, color1);
}
}
//=============================================================================
TNormal2StrokeStyle::TNormal2StrokeStyle()
: m_color(TPixel32::Yellow), m_lightx(45.0), m_lighty(200.0), m_shininess(50.0), m_metal(0.5), m_bend(1.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TNormal2StrokeStyle::clone() const
{
return new TNormal2StrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TNormal2StrokeStyle::getParamCount() const
{
return 5;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TNormal2StrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TNormal2StrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 5);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TNormal2StrokeStyle", "Light X Pos");
break;
case 1:
value = QCoreApplication::translate("TNormal2StrokeStyle", "Light Y Pos");
break;
case 2:
value = QCoreApplication::translate("TNormal2StrokeStyle", "Shininess");
break;
case 3:
value = QCoreApplication::translate("TNormal2StrokeStyle", "Plastic");
break;
case 4:
value = QCoreApplication::translate("TNormal2StrokeStyle", "Bump");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
min = -100.0;
max = 100.0;
break;
case 1:
min = -100.0;
max = 100.0;
break;
case 2:
min = 0.1;
max = 128.0;
break;
case 3:
min = 0.0;
max = 1.0;
break;
case 4:
min = 0.0;
max = 1.0;
break;
}
}
//-----------------------------------------------------------------------------
double TNormal2StrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 5);
double value;
switch (index) {
case 0:
value = m_lightx;
break;
case 1:
value = m_lighty;
break;
case 2:
value = m_shininess;
break;
case 3:
value = m_metal;
break;
case 4:
value = m_bend;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
m_lightx = value;
break;
case 1:
m_lighty = value;
break;
case 2:
m_shininess = value;
break;
case 3:
m_metal = value;
break;
case 4:
m_bend = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 121)
throw TException("Normal stroke style: unknown obsolete format");
is >> m_color >> m_lightx >> m_lighty >> m_shininess >> m_metal;
m_bend = 1.0;
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::drawRegion(const TColorFunction *cf, const bool antiAliasing, TRegionOutline &boundary) const
{
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::drawStroke(const TColorFunction *cf, TStrokeOutline *outline,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
UINT i;
double bend = 2 * m_bend;
const std::vector<TOutlinePoint> &v = outline->getArray();
if (v.empty())
return;
vector<T3DPointD> normal;
GLfloat light_position[] = {(float)(m_lightx), (float)(m_lighty), 100.0, 0.0};
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
GLfloat mat_ambient[] = {(float)dcolor.r, (float)dcolor.g, (float)dcolor.b, 1.0};
GLfloat mat_specular[] = {(float)(m_metal * (1 - dcolor.r) + dcolor.r),
(float)(m_metal * (1 - dcolor.g) + dcolor.g),
(float)(m_metal * (1 - dcolor.b) + dcolor.b), 1.0};
GLfloat mat_shininess[] = {(float)m_shininess};
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, mat_ambient);
// glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
// outline with antialiasing
glBegin(GL_LINE_STRIP);
for (i = 0; i < v.size(); i += 2) {
T3DPointD pointa(v[i].x, v[i].y, 0);
T3DPointD pointb(v[i + 1].x, v[i + 1].y, 0);
T3DPointD d = pointb - pointa;
if (norm2(d) > 0.0)
d = normalize(d);
normal.push_back(d);
T3DPointD pointaNormal = T3DPointD(0, 0, 1) - bend * d;
tglNormal(pointaNormal);
tglVertex(pointa);
}
glEnd();
int normalcounter = 0;
glBegin(GL_LINE_STRIP);
for (i = 1; i < v.size(); i += 2) {
T3DPointD pointa(v[i].x, v[i].y, 0);
T3DPointD pointaNormal = T3DPointD(0, 0, 1) + bend * normal[normalcounter++];
tglNormal(pointaNormal);
tglVertex(pointa);
}
glEnd();
normalcounter = 0;
for (i = 0; i <= v.size() - 4; i += 2) {
glBegin(GL_QUAD_STRIP);
T3DPointD olda(v[i].x, v[i].y, 0);
T3DPointD oldb(v[i + 1].x, v[i + 1].y, 0);
T3DPointD oldcenter = 0.5 * (olda + oldb);
T3DPointD oldcenterNormal(0, 0, 1);
T3DPointD oldaNormal = T3DPointD(0, 0, 1) - bend * normal[normalcounter];
T3DPointD oldbNormal = T3DPointD(0, 0, 1) + bend * normal[normalcounter];
T3DPointD a(v[i + 2].x, v[i + 2].y, 0);
T3DPointD b(v[i + 3].x, v[i + 3].y, 0);
T3DPointD center = 0.5 * (a + b);
T3DPointD centerNormal(0, 0, 1);
T3DPointD aNormal = T3DPointD(0, 0, 1) - bend * normal[normalcounter++];
T3DPointD bNormal = T3DPointD(0, 0, 1) + bend * normal[normalcounter];
tglNormal(oldaNormal);
tglVertex(olda);
tglNormal(aNormal);
tglVertex(a);
tglNormal(oldcenterNormal);
tglVertex(oldcenter);
tglNormal(centerNormal);
tglVertex(center);
tglNormal(oldbNormal);
tglVertex(oldb);
tglNormal(bNormal);
tglVertex(b);
glEnd();
}
glDisable(GL_NORMALIZE);
glDisable(GL_LIGHTING);
glDisable(GL_LIGHT0);
}
//-----------------------------------------------------------------------------
void TNormal2StrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
//double length = stroke->getLength();
//double step=10.0;
TPointD pos1, pos2, pos3, pos4, oldPos1, oldPos2, oldPos3, oldPos4;
TOutlineUtil::OutlineParameter param;
param.m_lengthStep = 10.0;
TStrokeOutline outline;
TOutlineStyle::computeOutline(stroke, outline, param);
const std::vector<TOutlinePoint> &v = outline.getArray();
TPixel32 color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
TPixel32 color1;
TPixelD dcolor1(0.5 * dcolor.r, 0.5 * dcolor.g, 0.5 * dcolor.b, 1.0);
color1 = toPixel32(dcolor1);
dcolor = TPixelD(dcolor.r + (1.0 - dcolor.r) * m_metal,
dcolor.g + (1.0 - dcolor.g) * m_metal,
dcolor.b + (1.0 - dcolor.b) * m_metal, dcolor.m);
color = toPixel32(dcolor);
flash.setThickness(0.0);
SFlashUtils sfu;
for (int i = 0; i <= (int)(v.size() - 4); i += 2) {
TPointD olda(v[i].x, v[i].y);
TPointD oldb(v[i + 1].x, v[i + 1].y);
TPointD oldcenter = 0.5 * (olda + oldb);
TPointD a(v[i + 2].x, v[i + 2].y);
TPointD b(v[i + 3].x, v[i + 3].y);
TPointD center = 0.5 * (a + b);
vector<TPointD> vpl;
vpl.push_back(olda);
vpl.push_back(a);
vpl.push_back(center);
vpl.push_back(oldcenter);
sfu.drawGradedPolyline(flash, vpl, color1, color);
vpl.clear();
vpl.push_back(oldb);
vpl.push_back(b);
vpl.push_back(center);
vpl.push_back(oldcenter);
sfu.drawGradedPolyline(flash, vpl, color1, color);
}
}
//=============================================================================
namespace
{
double get_inout_intensityslope(double in, double out, double t)
{
if (out < in)
out = in;
if (t < in)
return t / in;
else if (t > out)
return (t - 1) / (out - 1);
else
return 1;
}
}
//-----------------------------------------------------------------------------
TChalkStrokeStyle2::TChalkStrokeStyle2()
: m_color(TPixel32::Black), m_blend(1.0), m_intensity(50.0), m_in(0.25), m_out(0.25), m_noise(0.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TChalkStrokeStyle2::clone() const
{
return new TChalkStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
int TChalkStrokeStyle2::getParamCount() const
{
return 5;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TChalkStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TChalkStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 5);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TChalkStrokeStyle2", "Border Fade");
break;
case 1:
value = QCoreApplication::translate("TChalkStrokeStyle2", "Density");
break;
case 2:
value = QCoreApplication::translate("TChalkStrokeStyle2", "Fade In");
break;
case 3:
value = QCoreApplication::translate("TChalkStrokeStyle2", "Fade Out");
break;
case 4:
value = QCoreApplication::translate("TChalkStrokeStyle2", "Noise");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TChalkStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
min = 0.0;
max = 1.0;
break;
case 1:
min = 0.0;
max = 100.0;
break;
case 2:
min = 0.0;
max = 1.0;
break;
case 3:
min = 0.0;
max = 1.0;
break;
case 4:
min = 0.0;
max = 1.0;
break;
}
}
//-----------------------------------------------------------------------------
double TChalkStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 5);
double value = 0;
switch (index) {
case 0:
value = m_blend;
break;
case 1:
value = m_intensity;
break;
case 2:
value = m_in;
break;
case 3:
value = m_out;
break;
case 4:
value = m_noise;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TChalkStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
m_blend = value;
break;
case 1:
m_intensity = value;
break;
case 2:
m_in = value;
break;
case 3:
m_out = value;
break;
case 4:
m_noise = value;
break;
}
//updateVersionNumber(); non serve perche' i parametri vengono sfrutttati direttamente nella draw
}
//-----------------------------------------------------------------------------
void TChalkStrokeStyle2::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 105)
throw TException("chalk stroke style: unknown obsolete format");
m_in = 0.0, m_out = 0.0, m_noise = 0.0;
is >> m_color >> m_blend >> m_intensity;
m_blend = 1 - m_blend;
}
//-----------------------------------------------------------------------------
void TChalkStrokeStyle2::computeData(Doubles &data, const TStroke *stroke, const TColorFunction *cf) const
{
double length = stroke->getLength();
double step = 4;
double s = 0;
data.clear();
data.reserve(tceil(length / step) * 6 + 6);
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
data.push_back(pos.x);
data.push_back(pos.y);
data.push_back(pos.thick);
data.push_back(u.x);
data.push_back(u.y);
data.push_back(s / length);
s += step;
}
}
//-----------------------------------------------------------------------------
void TChalkStrokeStyle2::drawStroke(const TColorFunction *cf, Doubles &data, const TStroke *stroke) const
{
double step = 4;
double blend = m_blend; //distanza che controlla da dove il gessetto comincia il fade out (0, 1)
double intensitymax = m_intensity; //quanti punti vengono disegnati ad ogni step
TRandom rnd;
TRandom rnd_noise;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
double mattedcolor = 0.5 * dcolor.m;
double noise = 0;
double noiseslope = 0;
double tmpnoise = 0;
GLuint chalkId;
chalkId = glGenLists(1);
glNewList(chalkId, GL_COMPILE);
glBegin(GL_QUADS);
glVertex2d(1, 1);
glVertex2d(-1, 1);
glVertex2d(-1, -1);
glVertex2d(1, -1);
glEnd();
glEndList();
for (UINT i = 0; i < data.size(); i += 6) {
TThickPoint pos;
pos.x = data[i];
pos.y = data[i + 1];
pos.thick = data[i + 2];
TPointD u;
u.x = data[i + 3];
u.y = data[i + 4];
TPointD v = rotate90(u);
TPointD shift;
double intslope = get_inout_intensityslope(m_in, 1 - m_out, data[i + 5]);
double transpslope = (intslope / blend) * dcolor.m;
if (m_noise) {
if (tmpnoise <= 0) {
noise = (100 / m_noise) * rnd_noise.getFloat();
tmpnoise = noise;
}
noiseslope = get_inout_intensityslope(0.5, 0.5, tmpnoise / noise);
tmpnoise -= step;
} else
noiseslope = 1;
for (int i = 0; i < intensitymax * intslope * noiseslope; i++) {
double vrandnorm = rnd.getFloat(-1.0, 1.0);
double randomv = vrandnorm * pos.thick * noiseslope;
double randomu = (0.5 - rnd.getFloat()) * step;
shift = pos + u * randomu + v * randomv;
double mod = fabs(vrandnorm);
if (mod > 1 - blend)
glColor4d(dcolor.r, dcolor.g, dcolor.b, (double)rnd.getFloat() * ((1 - mod) * transpslope));
else
glColor4d(dcolor.r, dcolor.g, dcolor.b, mattedcolor);
glPushMatrix();
glTranslated(shift.x, shift.y, 0.0);
glCallList(chalkId);
glPopMatrix();
}
}
glDeleteLists(chalkId, 1);
}
//=============================================================================
TBlendStrokeStyle2::TBlendStrokeStyle2()
: m_color(TPixel32::Red), m_blend(1.0), m_in(0.25), m_out(0.25)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TBlendStrokeStyle2::clone() const
{
return new TBlendStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
int TBlendStrokeStyle2::getParamCount() const
{
return 3;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TBlendStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TBlendStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 3);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TBlendStrokeStyle2", "Border Fade");
break;
case 1:
value = QCoreApplication::translate("TBlendStrokeStyle2", "Fade In");
break;
case 2:
value = QCoreApplication::translate("TBlendStrokeStyle2", "Fade Out");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 3);
min = 0.0;
max = 1.0;
}
//-----------------------------------------------------------------------------
double TBlendStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 3);
double value = 0;
switch (index) {
case 0:
value = m_blend;
break;
case 1:
value = m_in;
break;
case 2:
value = m_out;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 3);
switch (index) {
case 0:
m_blend = value;
break;
case 1:
m_in = value;
break;
case 2:
m_out = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 110)
throw TException("Blend stroke style: unknown obsolete format");
m_in = 0.0, m_out = 0.0;
is >> m_color >> m_blend;
m_blend = 1 - m_blend;
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::computeData(PointsAndDoubles &data,
const TStroke *stroke,
const TColorFunction *cf) const
{
data.clear();
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 10.0;
TPointD pos1, pos2, pos3, pos4, oldPos1, oldPos2, oldPos3, oldPos4;
double oldintslope;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
bool firstRing = true;
double s = 0;
double maxfactor = 2 * m_blend / step; //max definisce il numero di intervalli in cui la regione viene divisa
//per evitare il problema del blend poco efficiente sui triangoli
double minthickness = MINTHICK * sqrt(tglGetPixelSize2());
double thickness = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
if (pos.thick < MINTHICK)
thickness = minthickness;
else
thickness = pos.thick;
TPointD v = rotate90(u) * thickness;
TPointD v1 = v * (1 - m_blend);
pos1 = pos + v;
pos2 = pos + v1;
pos3 = pos - v1;
pos4 = pos - v;
double intslope = get_inout_intensityslope(m_in, 1 - m_out, s / length) * dcolor.m;
if (firstRing) {
firstRing = false;
} else {
int max = (int)(maxfactor * thickness);
double invmax = 1.0 / max;
data.push_back(make_pair(oldPos1, 0.0));
data.push_back(make_pair(pos1, 0.0));
int i;
for (i = 1; i < max; i++) {
data.push_back(make_pair(i * (oldPos2 - oldPos1) * invmax + oldPos1, (i * oldintslope) * invmax));
data.push_back(make_pair(i * (pos2 - pos1) * invmax + pos1, (i * intslope) * invmax));
}
data.push_back(make_pair(oldPos2, oldintslope));
data.push_back(make_pair(pos2, intslope));
data.push_back(make_pair(oldPos3, oldintslope));
data.push_back(make_pair(pos3, intslope));
for (i = 0; i < max; i++) {
data.push_back(make_pair(i * (oldPos4 - oldPos3) * invmax + oldPos3, (oldintslope * invmax) * (max - i)));
data.push_back(make_pair(i * (pos4 - pos3) * invmax + pos3, (intslope * invmax) * (max - i)));
}
data.push_back(make_pair(oldPos4, 0.0));
data.push_back(make_pair(pos4, 0.0));
}
oldPos1 = pos1;
oldPos2 = pos2;
oldPos3 = pos3;
oldPos4 = pos4;
oldintslope = intslope;
s += step;
}
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::drawStroke(const TColorFunction *cf,
PointsAndDoubles &data,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
TPixelD dcolor;
dcolor = toPixelD(color);
PointsAndDoubles::iterator it = data.begin();
glBegin(GL_QUAD_STRIP);
for (; it != data.end(); ++it) {
glColor4d(dcolor.r, dcolor.g, dcolor.b, it->second);
tglVertex(it->first);
}
glEnd();
}
//-----------------------------------------------------------------------------
void TBlendStrokeStyle2::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 10.0;
TPointD pos1, pos2, pos3, pos4, oldPos1, oldPos2, oldPos3, oldPos4;
double oldintslope;
TPixel32 color = m_color;
double lblend = m_blend;
// For the Flash version, to simplify the grading.
lblend = 1.0;
TPixelD dcolor;
dcolor = toPixelD(color);
bool firstRing = true;
double s = 0;
//double maxfactor=2*lblend/step; //max definisce il numero di intervalli in cui la regione viene divisa
//per evitare il problema del blend poco efficiente sui triangoli
vector<TPointD> vp1, vp2;
vector<TPixelD> vdc1, vdc2;
flash.setThickness(0);
SFlashUtils sfu;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * pos.thick;
TPointD v1 = v * (1 - lblend);
pos1 = pos + v;
pos2 = pos + v1;
pos3 = pos - v1;
pos4 = pos - v;
double intslope = get_inout_intensityslope(m_in, 1 - m_out, s / length) * dcolor.m;
if (firstRing) {
firstRing = false;
} else {
vp1.clear();
vp2.clear();
vdc1.clear();
vdc2.clear();
// The Flash version has been simplified. Only one direction grading!
vdc1.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, 0));
vp1.push_back(oldPos1);
vdc2.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, 0));
vp2.push_back(pos1);
vdc1.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, oldintslope));
vp1.push_back(oldPos2);
vdc2.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, intslope));
vp2.push_back(pos2);
vdc1.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, oldintslope));
vp1.push_back(oldPos3);
vdc2.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, intslope));
vp2.push_back(pos3);
vdc1.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, 0));
vp1.push_back(oldPos4);
vdc2.push_back(TPixelD(dcolor.r, dcolor.g, dcolor.b, 0));
vp2.push_back(pos4);
vector<TPointD> vpl;
vpl.push_back(vp1[0]);
vpl.push_back(vp1[3]);
vpl.push_back(vp2[3]);
vpl.push_back(vp2[0]);
TPixel32 col[4];
col[0] = toPixel32(vdc1[1]);
col[1] = toPixel32(vdc1[2]);
col[2] = toPixel32(vdc2[2]);
col[3] = toPixel32(vdc2[1]);
sfu.drawGradedPolyline(flash, vpl, blend(col[0], col[1], 0.5), blend(col[2], col[3], 0.5));
}
oldPos1 = pos1;
oldPos2 = pos2;
oldPos3 = pos3;
oldPos4 = pos4;
oldintslope = intslope;
s += step;
}
}
//=============================================================================
TTwirlStrokeStyle::TTwirlStrokeStyle()
: m_color(TPixel32::Green), m_period(30.0), m_blend(0.5)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TTwirlStrokeStyle::clone() const
{
return new TTwirlStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TTwirlStrokeStyle::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TTwirlStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TTwirlStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? QCoreApplication::translate("TTwirlStrokeStyle", "Twirl") : QCoreApplication::translate("TTwirlStrokeStyle", "Shade");
}
//-----------------------------------------------------------------------------
void TTwirlStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 2);
if (index == 0) {
min = 1.0;
max = 100.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TTwirlStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? m_period : m_blend;
}
//-----------------------------------------------------------------------------
void TTwirlStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 2);
if (index == 0)
m_period = value;
else
m_blend = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TTwirlStrokeStyle::computeData(Doubles &data, const TStroke *stroke, const TColorFunction *cf) const
{
double length = stroke->getLength();
double step = 5.0;
double period = 10 * (102 - m_period);
double hperiod = period / 2;
double blendval = 0;
TRandom rnd;
data.clear();
data.reserve(tceil(length / step) + 1);
double s = 0;
TPointD app;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * (pos.thick);
double shift = sin((TConsts::pi / hperiod) * s);
app = pos + v * shift;
data.push_back(app.x);
data.push_back(app.y);
app = pos - v * shift;
data.push_back(app.x);
data.push_back(app.y);
blendval = get_inout_intensityslope(m_blend, 1.0 - m_blend, (s - ((int)(s / hperiod) * hperiod)) / hperiod);
data.push_back(blendval);
s += step;
}
}
//-----------------------------------------------------------------------------
void TTwirlStrokeStyle::drawStroke(const TColorFunction *cf, Doubles &data, const TStroke *stroke) const
{
TPixel32 blackcolor = TPixel32::Black;
TPixel32 color;
if (cf) {
color = (*(cf))(m_color);
blackcolor = (*(cf))(blackcolor);
} else {
color = m_color;
}
blackcolor.m = m_color.m;
TPointD app;
UINT i = 0;
glBegin(GL_QUAD_STRIP);
for (; i < data.size(); i += 5) {
tglColor(blend(blackcolor, color, data[i + 4]));
app.x = data[i];
app.y = data[i + 1];
tglVertex(app);
app.x = data[i + 2];
app.y = data[i + 3];
tglVertex(app);
}
glEnd();
for (i = 5; i < data.size(); i += 5) {
tglColor(blend(color, blackcolor, data[i + 4]));
glBegin(GL_LINES);
app.x = data[i - 5];
app.y = data[i - 4];
tglVertex(app);
app.x = data[i];
app.y = data[i + 1];
tglVertex(app);
glEnd();
glBegin(GL_LINES);
app.x = data[i - 3];
app.y = data[i - 2];
tglVertex(app);
app.x = data[i + 2];
app.y = data[i + 3];
tglVertex(app);
glEnd();
}
}
//-----------------------------------------------------------------------------
void TTwirlStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
double step = 5.0;
double period = 10 * (102 - m_period);
double hperiod = period / 2;
double blendval = 0;
TRandom rnd;
TPixel32 blackcolor = TPixel32::Black;
TPixel32 color = m_color;
blackcolor.m = m_color.m;
vector<TPointD> points1;
vector<TPointD> points2;
vector<double> vblend;
double s = 0;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u) * (pos.thick);
double shift = sin((TConsts::pi / hperiod) * s);
points1.push_back(pos + v * shift);
points2.push_back(pos - v * shift);
blendval = get_inout_intensityslope(m_blend, 1.0 - m_blend, (s - ((int)(s / hperiod) * hperiod)) / hperiod);
vblend.push_back(blendval);
s += step;
}
SFlashUtils sfu;
for (int i = 1; i < (int)points1.size(); i++) {
vector<TPointD> vp;
vp.push_back(points1[i - 1]);
vp.push_back(points2[i - 1]);
vp.push_back(points2[i]);
vp.push_back(points1[i]);
flash.setThickness(0.0);
sfu.drawGradedPolyline(flash, vp, blend(blackcolor, color, vblend[i - 1]),
blend(blackcolor, color, vblend[i]));
// flash.setFillColor(blend(blackcolor, color , vblend[i-1]));
// flash.drawPolyline(vp);
vector<TSegment> sv;
sv.push_back(TSegment(points1[i - 1], points1[i]));
sv.push_back(TSegment(points2[i - 1], points2[i]));
flash.setThickness(1.0);
flash.setLineColor(blend(color, blackcolor, vblend[i - 1]));
flash.drawSegments(sv, false);
}
}
//=============================================================================
TSawToothStrokeStyle::TSawToothStrokeStyle(TPixel32 color, double parameter)
: m_color(color), m_parameter(parameter)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TSawToothStrokeStyle::clone() const
{
return new TSawToothStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
void TSawToothStrokeStyle::computeOutline(const TStroke *stroke,
TStrokeOutline &outline,
TOutlineUtil::OutlineParameter param) const
{
param.m_lengthStep = m_parameter;
TOutlineStyle::computeOutline(stroke, outline, param);
}
//-----------------------------------------------------------------------------
void TSawToothStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
TOutlineUtil::OutlineParameter param;
param.m_lengthStep = tmax(20.0, m_parameter);
TStrokeOutline outline;
TOutlineStyle::computeOutline(stroke, outline, param);
const std::vector<TOutlinePoint> &v = outline.getArray();
if (v.empty())
return;
TPixel32 color = m_color;
flash.setThickness(0.0);
flash.setFillColor(color);
if (v.empty())
return;
double old[2];
int counter = 0;
for (UINT i = 0; i < v.size() - 2; i += 2) {
if (0 != v[i].stepCount) {
if (counter) {
vector<TPointD> plv;
// flash.setFillColor(color);
plv.push_back(TPointD(old[0], old[1]));
plv.push_back(TPointD(v[i].x, v[i].y));
plv.push_back(TPointD(v[i + 1].x, v[i + 1].y));
flash.drawPolyline(plv);
}
old[0] = v[i].x;
old[1] = v[i].y;
counter++;
}
}
}
//-----------------------------------------------------------------------------
void TSawToothStrokeStyle::drawStroke(const TColorFunction *cf, TStrokeOutline *outline,
const TStroke *stroke) const
{
UINT i;
int counter = 0;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
const std::vector<TOutlinePoint> &v = outline->getArray();
if (v.empty())
return;
double old[2];
// outline with antialiasing
glBegin(GL_LINE_STRIP);
for (i = 0; i < v.size() - 2; i += 2) {
if (0 != v[i].stepCount) {
if (counter) {
glVertex2dv(old);
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
glVertex2dv(old);
}
old[0] = v[i].x;
old[1] = v[i].y;
counter++;
}
}
glEnd();
counter = 0;
glBegin(GL_TRIANGLES);
for (i = 0; i < v.size() - 2; i += 2) {
if (0 != v[i].stepCount) {
if (counter) {
glVertex2dv(old);
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
}
old[0] = v[i].x;
old[1] = v[i].y;
counter++;
}
}
glEnd();
}
//-----------------------------------------------------------------------------
int TSawToothStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TSawToothStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TSawToothStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TSawToothStrokeStyle", "Distance");
}
//-----------------------------------------------------------------------------
void TSawToothStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 0.1;
max = 100.0;
}
//-----------------------------------------------------------------------------
double TSawToothStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_parameter;
}
//-----------------------------------------------------------------------------
void TSawToothStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_parameter = value;
updateVersionNumber(); //questo si chiama per ogno cambiamento di parametro per cui di deve ricalcolare l'outline
}
//=============================================================================
TMultiLineStrokeStyle2::TMultiLineStrokeStyle2()
: m_color0(TPixel32(0, 255, 0)), m_color1(TPixel32(0, 0, 0)), m_intensity(0.2), m_length(20.0), m_thick(0.3), m_noise(0.5)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TMultiLineStrokeStyle2::clone() const
{
return new TMultiLineStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
namespace
{
typedef struct {
TPointD u, v;
TThickPoint p;
} myLineData;
}
//-----------------------------------------------------------------------------
int TMultiLineStrokeStyle2::getParamCount() const
{
return 4;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TMultiLineStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TMultiLineStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 4);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TMultiLineStrokeStyle2", "Density");
break;
case 1:
value = QCoreApplication::translate("TMultiLineStrokeStyle2", "Size");
break;
case 2:
value = QCoreApplication::translate("TMultiLineStrokeStyle2", "Thickness");
break;
case 3:
value = QCoreApplication::translate("TMultiLineStrokeStyle2", "Noise");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 4);
switch (index) {
case 0:
min = 0.0;
max = 1.0;
break;
case 1:
min = 0.0;
max = 100.0;
break;
case 2:
min = 0.0;
max = 1.0;
break;
case 3:
min = 0.0;
max = 1.0;
break;
}
}
//-----------------------------------------------------------------------------
double TMultiLineStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 4);
double value = 0;
switch (index) {
case 0:
value = m_intensity;
break;
case 1:
value = m_length;
break;
case 2:
value = m_thick;
break;
case 3:
value = m_noise;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 4);
switch (index) {
case 0:
m_intensity = value;
break;
case 1:
m_length = value;
break;
case 2:
m_thick = value;
break;
case 3:
m_noise = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 118 && ids != 128)
throw TException("Multi Line stroke style: unknown obsolete format");
if (ids == 118) {
m_length = 20.0, m_thick = 0.3, m_noise = 0.0;
is >> m_color0 >> m_intensity;
m_color1 = TPixel32::Black;
} else {
is >> m_color0 >> m_intensity >> m_length >> m_thick >> m_noise;
m_color1 = TPixel32::Black;
}
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::computeData(BlendAndPoints &data, const TStroke *stroke, const TColorFunction *cf) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 4.0;
int maxlength = (int)m_length;
double factor = 0;
TRandom rnd;
vector<myLineData> LineData;
myLineData Data;
double s = 0;
double minthickness = MINTHICK * sqrt(tglGetPixelSize2());
double thickness = 0;
double strokethick = m_thick;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
Data.p = stroke->getThickPoint(w);
Data.u = stroke->getSpeed(w);
if (norm2(Data.u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
Data.u = normalize(Data.u);
if (Data.p.thick < MINTHICK)
thickness = minthickness;
else
thickness = Data.p.thick;
Data.v = rotate90(Data.u) * thickness;
LineData.push_back(Data);
s += step;
}
BlendAndPoint appData;
data.clear();
data.reserve(LineData.size());
for (int i = 0; i < m_intensity * LineData.size(); i++) {
appData.points.clear();
int start = rnd.getInt(0, LineData.size());
int end = start + maxlength + rnd.getInt(0, maxlength);
if (end > (int)LineData.size())
end = LineData.size();
double halfcount = (end - start) / 2.0;
double vshift = (0.5 - rnd.getFloat());
appData.blend = rnd.getFloat();
for (int j = 0; j < (end - start); j++) {
if (j < halfcount)
factor = j / halfcount;
else
factor = 1 - (j - halfcount) / halfcount;
appData.points.push_back(LineData[j + start].p + LineData[j + start].v * (vshift - strokethick * factor * (1 - m_noise * (1 - rnd.getFloat()))));
appData.points.push_back(LineData[j + start].p + LineData[j + start].v * (vshift + strokethick * factor * (1 - m_noise * (1 - rnd.getFloat()))));
}
data.push_back(appData);
}
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::drawStroke(const TColorFunction *cf, BlendAndPoints &data, const TStroke *stroke) const
{
TPixel32 color0, color1;
if (cf) {
color0 = (*(cf))(m_color0);
color1 = (*(cf))(m_color1);
} else {
color0 = m_color0;
color1 = m_color1;
}
glEnable(GL_POLYGON_SMOOTH);
for (UINT i = 0; i < data.size(); i++) {
tglColor(blend(color0, color1, data[i].blend));
glBegin(GL_QUAD_STRIP);
for (UINT j = 0; j < data[i].points.size(); j++)
tglVertex(data[i].points[j]);
glEnd();
}
glDisable(GL_POLYGON_SMOOTH);
}
//-----------------------------------------------------------------------------
void TMultiLineStrokeStyle2::drawStroke(TFlash &flash, const TStroke *stroke) const
{
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double step = 4.0;
int maxlength = (int)m_length;
double factor = 0;
TRandom rnd;
TPixel32 color0, color1;
color0 = m_color0;
color1 = m_color1;
vector<myLineData> LineData;
myLineData Data;
double s = 0;
double strokethick = m_thick;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < 0) {
s += 0.1;
continue;
} // per tamponare il baco della getParameterAtLength()
Data.p = stroke->getThickPoint(w);
Data.u = stroke->getSpeed(w);
if (norm2(Data.u) == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
Data.u = normalize(Data.u);
Data.v = rotate90(Data.u) * Data.p.thick;
LineData.push_back(Data);
s += step;
}
for (int i = 0; i < m_intensity * LineData.size(); i++) {
int start = rnd.getInt(0, LineData.size());
int end = start + maxlength + rnd.getInt(0, maxlength);
if (end > (int)LineData.size())
end = LineData.size();
double halfcount = (end - start) / 2.0;
double vshift = (0.5 - rnd.getFloat());
flash.setThickness(0.0);
flash.setFillColor(blend(color0, color1, rnd.getFloat()));
vector<TSegment> sv;
int j;
for (j = 0; j < (end - start); j++) {
if (j < halfcount)
factor = j / halfcount;
else
factor = 1 - (j - halfcount) / halfcount;
float rand = rnd.getFloat();
TPointD p0 = (LineData[j + start].p + LineData[j + start].v * (vshift - strokethick * factor * (1 - m_noise * (1 - rand))));
TPointD p1 = (LineData[j + start].p + LineData[j + start].v * (vshift + strokethick * factor * (1 - m_noise * (1 - rand))));
sv.push_back(TSegment(p0, p1));
}
for (j = 0; j < ((int)sv.size() - 1); j++) {
vector<TPointD> pv;
pv.push_back(sv[j].getP0());
pv.push_back(sv[j].getP1());
pv.push_back(sv[j + 1].getP1());
pv.push_back(sv[j + 1].getP0());
flash.drawPolyline(pv);
}
}
}
//=============================================================================
TZigzagStrokeStyle::TZigzagStrokeStyle()
: m_color(TPixel32(0, 0, 0)), m_minDist(0.5), m_maxDist(6.0), m_minAngle(30.0), m_maxAngle(60.0), m_thickness(1.0)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TZigzagStrokeStyle::clone() const
{
return new TZigzagStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TZigzagStrokeStyle::getParamCount() const
{
return 5;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TZigzagStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TZigzagStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 5);
QString value;
switch (index) {
case 0:
value = QCoreApplication::translate("TZigzagStrokeStyle", "Min Distance");
break;
case 1:
value = QCoreApplication::translate("TZigzagStrokeStyle", "Max Distance");
break;
case 2:
value = QCoreApplication::translate("TZigzagStrokeStyle", "Min Angle");
break;
case 3:
value = QCoreApplication::translate("TZigzagStrokeStyle", "Max Angle");
break;
case 4:
value = QCoreApplication::translate("TZigzagStrokeStyle", "Thickness");
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
min = 0.5;
max = 50.0;
break;
case 1:
min = 0.5;
max = 50.0;
break;
case 2:
min = -90.0;
max = 90.0;
break;
case 3:
min = -90.0;
max = 90.0;
break;
case 4:
min = 0.0;
max = 3.0;
break;
}
}
//-----------------------------------------------------------------------------
double TZigzagStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 5);
double value = 0;
switch (index) {
case 0:
value = m_minDist;
break;
case 1:
value = m_maxDist;
break;
case 2:
value = m_minAngle;
break;
case 3:
value = m_maxAngle;
break;
case 4:
value = m_thickness;
break;
}
return value;
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 5);
switch (index) {
case 0:
m_minDist = value;
break;
case 1:
m_maxDist = value;
break;
case 2:
m_minAngle = value;
break;
case 3:
m_maxAngle = value;
break;
case 4:
m_thickness = value;
break;
}
updateVersionNumber();
}
//-----------------------------------------------------------------------------
bool TZigzagStrokeStyle::getZigZagPosition(const TStroke *stroke, TRandom &rnd,
const double s, const int first,
const double minTranslLength,
TThickPoint &pos, TThickPoint &pos1) const
{
double w = stroke->getParameterAtLength(s);
pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
if (norm2(u) < TConsts::epsilon)
return false;
u = normalize(u);
TPointD uu = u;
double angle = m_minAngle + (m_maxAngle - m_minAngle) * (double)rnd.getUInt(101) * 0.01;
TRotation rotM(angle);
u = rotM * u;
double maxTranslLength = angle == 90 ? 1.0 : 2.0;
if (angle > 30 && angle < 90) {
double rta = 1.0 / tan(degree2rad(angle));
maxTranslLength = sqrt(sq(rta) + 1.0);
}
double r = (minTranslLength + (maxTranslLength - minTranslLength) * rnd.getFloat()) * pos.thick * first;
pos = pos + r * u;
pos1 = pos + uu * m_thickness;
return true;
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::setRealMinMax() const
{
TZigzagStrokeStyle *ncpthis = const_cast<TZigzagStrokeStyle *>(this);
double minDist = tmin(m_minDist, m_maxDist);
double maxDist = tmax(m_minDist, m_maxDist);
double minAngle = tmin(m_minAngle, m_maxAngle);
double maxAngle = tmax(m_minAngle, m_maxAngle);
ncpthis->m_minDist = minDist;
ncpthis->m_maxDist = maxDist;
ncpthis->m_minAngle = minAngle;
ncpthis->m_maxAngle = maxAngle;
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::computeData(Points &points, const TStroke *stroke, const TColorFunction *cf) const
{
assert(glGetError() == GL_NO_ERROR);
assert(!!stroke);
double length = stroke->getLength();
if (length <= 0)
return;
setRealMinMax();
// e.g minimum translation length is the half of the thickness
const double minTranslLength = 0.7;
//const bool isTransparent=m_color.m<255;
int first = 1;
TThickPoint pos;
TThickPoint pos1;
TRandom rnd;
points.clear();
points.reserve(tceil(length / m_minDist) * 2 + 2);
for (double s = 0.0; s <= length; first = -first) {
if (getZigZagPosition(stroke, rnd, s, first, minTranslLength, pos, pos1)) {
//TRectD rec(pos.x,pos.y,pos1.x,pos1.y);
points.push_back(pos);
points.push_back(pos1);
}
s += m_minDist + (m_maxDist - m_minDist) * (double)rnd.getUInt(101) * 0.01;
}
if (getZigZagPosition(stroke, rnd, length - TConsts::epsilon, first, minTranslLength, pos, pos1)) {
points.push_back(pos);
points.push_back(pos1);
}
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::drawStroke(const TColorFunction *cf, Points &points, const TStroke *stroke) const
{
if (points.size() <= 1)
return;
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(m_color);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_DOUBLE, sizeof(TPointD), &points[0]);
glDrawArrays(GL_QUAD_STRIP, 0, points.size());
/*
glBegin(GL_QUAD_STRIP);
for(UINT i=0; i<rects.size(); i++)
{
tglVertex(rects[i].getP00());
tglVertex(rects[i].getP11());
}
glEnd();
*/
glVertexPointer(2, GL_DOUBLE, sizeof(TPointD) * 2, &points[0]);
glDrawArrays(GL_LINE_STRIP, 0, points.size() / 2);
glVertexPointer(2, GL_DOUBLE, sizeof(TPointD) * 2, &points[1]);
glDrawArrays(GL_LINE_STRIP, 0, points.size() / 2);
glVertexPointer(2, GL_DOUBLE, sizeof(TPointD), &points[0]);
glDrawArrays(GL_LINES, 0, points.size());
glDisableClientState(GL_VERTEX_ARRAY);
//drawBLines(rects);
}
//-----------------------------------------------------------------------------
void TZigzagStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
if (!stroke)
return;
double length = stroke->getLength();
if (length <= 0)
return;
setRealMinMax();
// e.g minimum translation length is the half of the thickness
const double minTranslLength = 0.7;
int first = 1;
TThickPoint pos;
TThickPoint pos1;
TRandom rnd;
RectVector rects;
for (double s = 0.0; s <= length; first = -first) {
if (getZigZagPosition(stroke, rnd, s, first, minTranslLength, pos, pos1)) {
TRectD rec(pos.x, pos.y, pos1.x, pos1.y);
rects.push_back(rec);
}
s += m_minDist + (m_maxDist - m_minDist) * (double)rnd.getUInt(101) * 0.01;
}
if (getZigZagPosition(stroke, rnd, length - TConsts::epsilon, first, minTranslLength, pos, pos1)) {
TRectD rec(pos.x, pos.y, pos1.x, pos1.y);
rects.push_back(rec);
}
flash.setLineColor(m_color);
vector<TSegment> segmentsArray;
flash.setThickness(m_thickness);
RectVector::const_iterator rvi = rects.begin();
for (; rvi != (rects.end() - 1); rvi++) {
RectVector::const_iterator rvii = rvi + 1;
TPointD p0((rvi->x0 + rvi->x1) / 2.0, (rvi->y0 + rvi->y1) / 2.0);
TPointD p1((rvii->x0 + rvii->x1) / 2.0, (rvii->y0 + rvii->y1) / 2.0);
segmentsArray.push_back(TSegment(p0, p1));
}
flash.drawSegments(segmentsArray, false);
}
//=============================================================================
TSinStrokeStyle::TSinStrokeStyle()
: m_color(TPixel32::Black), m_frequency(10.0), m_thick(0.4)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TSinStrokeStyle::clone() const
{
return new TSinStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
int TSinStrokeStyle::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TSinStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TSinStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? QCoreApplication::translate("TSinStrokeStyle", "Frequency") : QCoreApplication::translate("TZigzTSinStrokeStyleagStrokeStyle", "Thickness");
}
//-----------------------------------------------------------------------------
void TSinStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 2);
if (index == 0) {
min = 1.0;
max = 20.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TSinStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 2);
return index == 0 ? m_frequency : m_thick;
}
//-----------------------------------------------------------------------------
void TSinStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 2);
if (index == 0)
m_frequency = value;
else
m_thick = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TSinStrokeStyle::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
double length = stroke->getLength();
double step = 5.0;
positions.clear();
positions.reserve(tceil((length + 1) / step));
double frequency = m_frequency / 100;
;
double s = 0;
//bool firstRing = true;
double thick = 1 - m_thick;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
double sinvalue = sin(frequency * s);
positions.push_back(pos + v * pos.thick * sinvalue);
positions.push_back(pos + v * thick * pos.thick * sinvalue);
s += step;
}
}
//-----------------------------------------------------------------------------
void TSinStrokeStyle::drawStroke(const TColorFunction *cf, std::vector<TPointD> &positions,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
glBegin(GL_QUAD_STRIP);
int i = 0;
for (; i < (int)positions.size(); i += 2) {
tglVertex(positions[i]);
tglVertex(positions[i + 1]);
}
glEnd();
glBegin(GL_LINE_STRIP);
for (i = 0; i < (int)positions.size(); i += 2) {
tglVertex(positions[i]);
}
glEnd();
glBegin(GL_LINE_STRIP);
for (i = 1; i < (int)positions.size() - 1; i += 2) {
tglVertex(positions[i]);
}
glEnd();
}
//-----------------------------------------------------------------------------
void TSinStrokeStyle::drawStroke(TFlash &flash, const TStroke *stroke) const
{
double length = stroke->getLength();
double step = 5.0;
double frequency = m_frequency / 100;
;
vector<TPointD> points;
double s = 0;
//bool firstRing = true;
double thick = 1 - m_thick;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
//if(w<0) {s+=0.1; continue;} // per tamponare il baco della getParameterAtLength()
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = stroke->getSpeed(w);
double normu = norm2(u);
if (normu == 0) {
s += 0.1;
continue;
} // non dovrebbe succedere mai, ma per prudenza....
u = normalize(u);
TPointD v = rotate90(u);
double sinvalue = sin(frequency * s);
points.push_back(pos + v * pos.thick * sinvalue);
points.push_back(pos + v * thick * pos.thick * sinvalue);
s += step;
}
// Polyline version
flash.setThickness(0.0);
flash.setFillColor(m_color);
for (int i = 0; i < ((int)points.size() - 2); i += 2) {
vector<TPointD> plv;
plv.push_back(points[i]);
plv.push_back(points[i + 1]);
plv.push_back(points[i + 3]);
plv.push_back(points[i + 2]);
flash.drawPolyline(plv);
}
// Quadratic version
/* flash.setThickness(m_thick);
vector<TPointD> pp;
for( int i=0; i<(int)(points.size()-1); i+=2 )
pp.push_back(TPointD((points[i]+points[i+1])*0.5));
if ( pp.size()<=2 ) {
if ( pp.size()==2 ) {
vector<TSegment> sv;
sv.push_back(TSegment(pp[0],pp[1]));
flash.setLineColor(m_color);
flash.drawSegments(sv,false);
}
return;
}
vector<TQuadratic> qv;
qv.push_back(TQuadratic(pp[i],pp[i]*0.75+pp[i+1]*0.25,(pp[i]+pp[i+1])*0.5));
for( i=1; i<(int)(pp.size()-1); i++ ) {
TPointD p0=((pp[i-1]+pp[i])*0.5);
TPointD p1=pp[i];
TPointD p2=((pp[i]+pp[i+1])*0.5);
qv.push_back(TQuadratic(p0,p1,p2));
}
int n=pp.size()-1;
qv.push_back(TQuadratic((pp[n-1]+pp[n])*0.5,pp[n-1]*0.25+pp[n]*0.75,pp[n]));
flash.setLineColor(m_color);
flash.setThickness(m_thick);
flash.drawquads(qv);
*/
}
//=============================================================================
TFriezeStrokeStyle2::TFriezeStrokeStyle2()
: m_color(TPixel32::Black), m_parameter(0.7), m_thick(0.3)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TFriezeStrokeStyle2::clone() const
{
return new TFriezeStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
int TFriezeStrokeStyle2::getParamCount() const
{
return 2;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TFriezeStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TFriezeStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 2);
if (index == 0)
return QCoreApplication::translate("TFriezeStrokeStyle2", "Twirl");
else
return QCoreApplication::translate("TFriezeStrokeStyle2", "Thickness");
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 2);
if (index == 0) {
min = -1.0;
max = 1.0;
} else {
min = 0.0;
max = 1.0;
}
}
//-----------------------------------------------------------------------------
double TFriezeStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 2);
if (index == 0)
return m_parameter;
else
return m_thick;
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 2);
if (index == 0)
m_parameter = value;
else
m_thick = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::loadData(int ids, TInputStreamInterface &is)
{
if (ids != 102)
throw TException("Frieze stroke style: unknown obsolete format");
m_thick = 0.0;
is >> m_color >> m_parameter;
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::computeData(Points &positions,
const TStroke *stroke,
const TColorFunction *cf) const
{
using TConsts::pi;
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double ds = 0.5;
positions.clear();
positions.reserve(tceil((length + 1) / ds));
double s = 0.01;
double lastS = 0;
double phi = 0;
double lastW = 0;
double thick = 1 - m_thick;
vector<TPointD> points;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < lastW) {
s += 0.1;
continue;
}
lastW = w;
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = normalize(stroke->getSpeed(w));
TPointD v = rotate90(u);
double thickness = pos.thick; // 5; //(1-t)*40 + t * 10;
if (thickness > 0) {
double omega = pi * 2 / (thickness * 2);
double q = 0.5 * (1 - cos(phi));
double theta = pi * 0.5 - pi * m_parameter * q;
double r = thickness * sin(phi);
double r1 = r * thick;
double costheta = cos(theta);
double sintheta = sin(theta);
positions.push_back(pos + u * (r * costheta) + v * (r * sintheta));
positions.push_back(pos + u * (r1 * costheta) + v * (r1 * sintheta));
phi += (s - lastS) * omega;
lastS = s;
} else {
positions.push_back(pos);
positions.push_back(pos);
}
s += ds;
}
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::drawStroke(const TColorFunction *cf, Points &positions,
const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(m_color);
else
color = m_color;
tglColor(color);
glBegin(GL_QUAD_STRIP);
int i = 0;
for (; i < (int)positions.size(); i += 2) {
tglVertex(positions[i]);
tglVertex(positions[i + 1]);
}
glEnd();
glBegin(GL_LINE_STRIP);
for (i = 0; i < (int)positions.size(); i += 2) {
tglVertex(positions[i]);
}
glEnd();
glBegin(GL_LINE_STRIP);
for (i = 1; i < (int)positions.size() - 1; i += 2) {
tglVertex(positions[i]);
}
glEnd();
}
//-----------------------------------------------------------------------------
void TFriezeStrokeStyle2::drawStroke(TFlash &flash, const TStroke *stroke) const
{
using TConsts::pi;
//TStroke *stroke = getStroke();
double length = stroke->getLength();
double s = 0.01;
double lastS = 0;
double phi = 0;
double lastW = 0;
double thick = 1 - m_thick;
vector<TPointD> points;
while (s <= length) {
double w = stroke->getParameterAtLength(s);
if (w < lastW) {
s += 0.1;
continue;
}
lastW = w;
TThickPoint pos = stroke->getThickPoint(w);
TPointD u = normalize(stroke->getSpeed(w));
TPointD v = rotate90(u);
double thickness = pos.thick; // 5; //(1-t)*40 + t * 10;
if (thickness > 0) {
double omega = pi * 2 / (thickness * 2);
double q = 0.5 * (1 - cos(phi));
double theta = pi * 0.5 - pi * m_parameter * q;
double r = thickness * sin(phi);
double r1 = r * thick;
double costheta = cos(theta);
double sintheta = sin(theta);
points.push_back(pos + u * (r * costheta) + v * (r * sintheta));
points.push_back(pos + u * (r1 * costheta) + v * (r1 * sintheta));
phi += (s - lastS) * omega;
lastS = s;
} else {
points.push_back(pos);
points.push_back(pos);
}
double ds = 0.5;
s += ds;
}
// Polyline version
flash.setThickness(0.0);
flash.setFillColor(m_color);
for (int i = 0; i < ((int)points.size() - 2); i += 2) {
vector<TPointD> plv;
plv.push_back(points[i]);
plv.push_back(points[i + 1]);
plv.push_back(points[i + 3]);
plv.push_back(points[i + 2]);
flash.drawPolyline(plv);
}
/*
vector<TPointD> pp;
for( int i=0; i<((int)points.size()-1); i+=2 )
pp.push_back(TPointD((points[i]+points[i+1])*0.5));
// Quadratic version
if ( pp.size()<=2 ) {
if ( pp.size()==2 ) {
vector<TSegment> sv;
sv.push_back(TSegment(pp[0],pp[1]));
flash.setLineColor(m_color);
flash.drawSegments(sv,false);
}
return;
}
vector<TQuadratic> qv;
qv.push_back(TQuadratic(pp[i],pp[i]*0.75+pp[i+1]*0.25,(pp[i]+pp[i+1])*0.5));
for( i=1; i<(int)(pp.size()-1); i++ ) {
TPointD p0=((pp[i-1]+pp[i])*0.5);
TPointD p1=pp[i];
TPointD p2=((pp[i]+pp[i+1])*0.5);
qv.push_back(TQuadratic(p0,p1,p2));
}
int n=pp.size()-1;
qv.push_back(TQuadratic((pp[n-1]+pp[n])*0.5,pp[n-1]*0.25+pp[n]*0.75,pp[n]));
flash.setLineColor(m_color);
flash.setThickness(m_thick);
flash.drawquads(qv);
*/
// Segment version
/*
flash.setThickness(m_thick);
flash.setLineColor(m_color);
for( i=0; i<(int)(pp.size()-1); i++ ) {
vector<TSegment> sv;
sv.push_back(TSegment(pp[i],pp[i+1]));
flash.drawSegments(sv,false);
}
*/
}
//=============================================================================
TDualColorStrokeStyle2::TDualColorStrokeStyle2(
TPixel32 color0, TPixel32 color1, double parameter)
: m_color0(color0), m_color1(color1), m_parameter(parameter)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TDualColorStrokeStyle2::clone() const
{
return new TDualColorStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
void TDualColorStrokeStyle2::computeOutline(const TStroke *stroke,
TStrokeOutline &outline,
TOutlineUtil::OutlineParameter param) const
{
param.m_lengthStep = m_parameter;
TOutlineStyle::computeOutline(stroke, outline, param);
}
//-----------------------------------------------------------------------------
void TDualColorStrokeStyle2::drawStroke(const TColorFunction *cf, TStrokeOutline *outline,
const TStroke *stroke) const
{
UINT i;
const std::vector<TOutlinePoint> &v = outline->getArray();
TPixel32 colorv[2];
if (cf) {
colorv[0] = (*(cf))(m_color0);
colorv[1] = (*(cf))(m_color1);
} else {
colorv[0] = m_color0;
colorv[1] = m_color1;
}
int colorindex = 0;
if (v.empty())
return;
glBegin(GL_LINE_STRIP);
tglColor(colorv[0]);
for (i = 0; i < v.size(); i += 2) {
glVertex2dv(&v[i].x);
if (0 != v[i].stepCount) {
colorindex++;
tglColor(colorv[colorindex & 1]);
glVertex2dv(&v[i].x);
}
}
glEnd();
colorindex = 0;
glBegin(GL_LINE_STRIP);
tglColor(colorv[0]);
for (i = 1; i < v.size(); i += 2) {
glVertex2dv(&v[i].x);
if (0 != v[i].stepCount) {
colorindex++;
tglColor(colorv[colorindex & 1]);
glVertex2dv(&v[i].x);
}
}
glEnd();
colorindex = 0;
glBegin(GL_QUAD_STRIP);
tglColor(colorv[0]);
for (i = 0; i < v.size(); i += 2) {
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
if (0 != v[i].stepCount) {
colorindex++;
tglColor(colorv[colorindex & 1]);
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
}
}
glEnd();
//antialias delle linee normali
tglColor(colorv[0]);
for (i = 0; i < v.size(); i += 2) {
if (0 != v[i].stepCount) {
glBegin(GL_LINES);
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
glEnd();
}
}
}
//-----------------------------------------------------------------------------
void TDualColorStrokeStyle2::drawStroke(TFlash &flash, const TStroke *stroke) const
{
TOutlineUtil::OutlineParameter param;
param.m_lengthStep = m_parameter;
TStrokeOutline outline;
TOutlineStyle::computeOutline(stroke, outline, param);
const std::vector<TOutlinePoint> &v = outline.getArray();
if (v.empty())
return;
TPixel32 colorv[2] = {m_color0, m_color1};
int colorindex = 0;
flash.setThickness(0.0);
flash.setFillColor(TPixel32(0, 0, 0, 255));
for (UINT i = 0; i < (v.size() - 2); i += 2) {
vector<TPointD> tpv;
tpv.push_back(TPointD(v[i].x, v[i].y));
tpv.push_back(TPointD(v[i + 1].x, v[i + 1].y));
tpv.push_back(TPointD(v[i + 3].x, v[i + 3].y));
tpv.push_back(TPointD(v[i + 2].x, v[i + 2].y));
if (0 != v[i].stepCount) {
colorindex++;
flash.setFillColor(colorv[colorindex & 1]);
}
flash.drawPolyline(tpv);
/* --- testing ---
vector<TSegment> s;
s.push_back(TSegment(tpv[0],tpv[1]));
s.push_back(TSegment(tpv[1],tpv[2]));
s.push_back(TSegment(tpv[2],tpv[3]));
s.push_back(TSegment(tpv[3],tpv[0]));
flash.drawSegments(s,false);
*/
}
}
//-----------------------------------------------------------------------------
int TDualColorStrokeStyle2::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TDualColorStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TDualColorStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return QCoreApplication::translate("TDualColorStrokeStyle2", "Distance");
}
//-----------------------------------------------------------------------------
void TDualColorStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 1.0;
max = 100.0;
}
//-----------------------------------------------------------------------------
double TDualColorStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_parameter;
}
//-----------------------------------------------------------------------------
void TDualColorStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_parameter = value;
updateVersionNumber(); //questo si chiama per ogno cambiamento di parametro per cui di deve ricalcolare l'outline
}
//=============================================================================
TLongBlendStrokeStyle2::TLongBlendStrokeStyle2(
TPixel32 color0, TPixel32 color1, double parameter)
: m_color0(color0), m_color1(color1), m_parameter(parameter)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TLongBlendStrokeStyle2::clone() const
{
return new TLongBlendStrokeStyle2(*this);
}
//-----------------------------------------------------------------------------
void TLongBlendStrokeStyle2::computeOutline(const TStroke *stroke,
TStrokeOutline &outline,
TOutlineUtil::OutlineParameter param) const
{
param.m_lengthStep = m_parameter;
TOutlineStyle::computeOutline(stroke, outline, param);
}
//-----------------------------------------------------------------------------
void TLongBlendStrokeStyle2::drawStroke(const TColorFunction *cf, TStrokeOutline *outline,
const TStroke *stroke) const
{
TPixel32 color0, color1;
if (cf) {
color0 = (*(cf))(m_color0);
color1 = (*(cf))(m_color1);
} else {
color0 = m_color0;
color1 = m_color1;
}
UINT i;
const std::vector<TOutlinePoint> &v = outline->getArray();
if (v.empty())
return;
// outline with antialiasing
glBegin(GL_LINE_STRIP);
int mystepCount = 0;
double totallength = stroke->getLength();
double ntick = totallength / m_parameter + 1;
tglColor(color0);
for (i = 0; i < v.size(); i += 2) {
if (0 != v[i].stepCount) {
tglColor(blend(color0, color1, (double)mystepCount / ntick));
mystepCount++;
}
glVertex2dv(&v[i].x);
}
glEnd();
glBegin(GL_LINE_STRIP);
mystepCount = 0;
tglColor(color0);
for (i = 1; i < v.size(); i += 2) {
if (0 != v[i].stepCount) {
tglColor(blend(color0, color1, (double)mystepCount / ntick));
mystepCount++;
}
glVertex2dv(&v[i].x);
}
glEnd();
glBegin(GL_QUAD_STRIP);
mystepCount = 0;
tglColor(color0);
for (i = 0; i < v.size(); i += 2) {
if (0 != v[i].stepCount) {
tglColor(blend(color0, color1, (double)mystepCount / ntick));
mystepCount++;
}
glVertex2dv(&v[i].x);
glVertex2dv(&v[i + 1].x);
}
glEnd();
}
//-----------------------------------------------------------------------------
void TLongBlendStrokeStyle2::drawStroke(TFlash &flash, const TStroke *stroke) const
{
TPixel32 color0, color1;
color0 = m_color0;
color1 = m_color1;
UINT i;
TOutlineUtil::OutlineParameter param;
double lParameter = m_parameter >= 20.0 || m_parameter < 0.0 ? 10.0 : m_parameter;
param.m_lengthStep = lParameter;
TStrokeOutline outline;
TOutlineStyle::computeOutline(stroke, outline, param);
const std::vector<TOutlinePoint> &v = outline.getArray();
if (v.empty())
return;
flash.setThickness(0.0);
int mystepCount = 0;
double totallength = stroke->getLength();
double ntick = totallength / lParameter + 1;
SFlashUtils sfu;
TPixel32 col0, col1;
col0 = col1 = color0;
for (i = 2; i < v.size(); i += 2) {
if (0 != v[i].stepCount) {
col1 = blend(color0, color1, (double)mystepCount / ntick);
mystepCount++;
}
vector<TPointD> plv;
plv.push_back(TPointD(v[i - 2].x, v[i - 2].y));
plv.push_back(TPointD(v[i - 1].x, v[i - 1].y));
plv.push_back(TPointD(v[i + 1].x, v[i + 1].y));
plv.push_back(TPointD(v[i].x, v[i].y));
sfu.drawGradedPolyline(flash, plv, col0, col1);
col0 = col1;
}
}
//-----------------------------------------------------------------------------
int TLongBlendStrokeStyle2::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TLongBlendStrokeStyle2::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TLongBlendStrokeStyle2::getParamNames(int index) const
{
assert(0 <= index && index < 1);
return "Distance"; //W_Watercolor_Distance
}
//-----------------------------------------------------------------------------
void TLongBlendStrokeStyle2::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
min = 0.1;
max = 100.0;
}
//-----------------------------------------------------------------------------
double TLongBlendStrokeStyle2::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
return m_parameter;
}
//-----------------------------------------------------------------------------
void TLongBlendStrokeStyle2::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
m_parameter = value;
updateVersionNumber(); //questo si chiama per ogno cambiamento di parametro per cui di deve ricalcolare l'outline
}
//=============================================================================
#ifdef _DEBUG
OutlineViewerStyle::OutlineViewerStyle(
TPixel32 color, double parameter0, double parameter1,
double parameter2, double parameter3)
: TSolidColorStyle(color), m_boolPar(false), m_intPar(1), m_enumPar(2), m_pathPar("testPath")
{
m_parameter[0] = parameter0;
m_parameter[1] = parameter1;
m_parameter[2] = parameter2;
m_parameter[3] = parameter3;
}
//-----------------------------------------------------------------------------
TColorStyle *OutlineViewerStyle::clone() const
{
return new OutlineViewerStyle(*this);
}
//-----------------------------------------------------------------------------
int OutlineViewerStyle::getParamCount() const
{
return 8;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType OutlineViewerStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
static const TColorStyle::ParamType types[8] =
{TColorStyle::DOUBLE, TColorStyle::DOUBLE, TColorStyle::DOUBLE, TColorStyle::DOUBLE,
TColorStyle::BOOL, TColorStyle::INT, TColorStyle::ENUM, TColorStyle::FILEPATH};
return types[index];
}
//-----------------------------------------------------------------------------
QString OutlineViewerStyle::getParamNames(int index) const
{
assert(0 <= index && index < 8);
switch (index) {
case 0:
return QCoreApplication::translate("OutlineViewerStyle", "Control Point");
case 1:
return QCoreApplication::translate("OutlineViewerStyle", "Center Line");
case 2:
return QCoreApplication::translate("OutlineViewerStyle", "Outline Mode");
case 3:
return QCoreApplication::translate("OutlineViewerStyle", "Distance");
case 4:
return "Bool";
case 5:
return "Int";
case 6:
return "Enum";
case 7:
return "Path";
}
assert(0);
return QCoreApplication::translate("OutlineViewerStyle", "distance");
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 4);
switch (index) {
case 0:
min = 0.0;
max = 2.99;
CASE 1 : min = 0.0;
max = 1.99;
CASE 2 : min = 0.0;
max = 3.99;
CASE 3 : min = 3.0;
max = 100.0;
}
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::getParamRange(int index, int &min, int &max) const
{
assert(5 <= index && index < 7);
switch (index) {
case 5:
min = 0, max = 10;
CASE 6 : min = 0, max = 4;
}
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::getParamRange(int index, QStringList &enumItems) const
{
enumItems << "Prova 1"
<< "Prova 2"
<< "Prova 3"
<< "Prova 4";
}
//-----------------------------------------------------------------------------
bool OutlineViewerStyle::getParamValue(TColorStyle::bool_tag, int index) const
{
assert(index == 4);
return m_boolPar;
}
//-----------------------------------------------------------------------------
int OutlineViewerStyle::getParamValue(TColorStyle::int_tag, int index) const
{
assert(5 <= index && index < 7);
return (index == 5) ? m_intPar : m_enumPar;
}
//-----------------------------------------------------------------------------
double OutlineViewerStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 4);
return m_parameter[index];
}
//-----------------------------------------------------------------------------
TFilePath OutlineViewerStyle::getParamValue(TColorStyle::TFilePath_tag, int index) const
{
assert(index == 7);
return m_pathPar;
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::setParamValue(int index, bool value)
{
assert(index == 4);
m_boolPar = value;
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::setParamValue(int index, int value)
{
assert(5 <= index && index < 7);
(index == 5) ? m_intPar = value : m_enumPar = value;
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 4);
if (index >= 2 && (int)m_parameter[index] != (int)value) //cambia l'outline
{
updateVersionNumber();
}
m_parameter[index] = value;
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::setParamValue(int index, const TFilePath &value)
{
assert(index == 7);
m_pathPar = value;
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::loadData(TInputStreamInterface &is)
{
TPixel32 color;
is >> color;
TSolidColorStyle::setMainColor(color);
is >> m_parameter[0];
is >> m_parameter[1];
is >> m_parameter[2];
is >> m_parameter[3];
int boolPar;
is >> boolPar;
m_boolPar = boolPar;
is >> m_intPar;
is >> m_enumPar;
std::string str;
is >> str;
m_pathPar = TFilePath(toWideString(str));
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::saveData(TOutputStreamInterface &os) const
{
os << TSolidColorStyle::getMainColor();
os << m_parameter[0];
os << m_parameter[1];
os << m_parameter[2];
os << m_parameter[3];
os << int(m_boolPar);
os << m_intPar;
os << m_enumPar;
os << toString(m_pathPar.getWideString());
}
//-----------------------------------------------------------------------------
void OutlineViewerStyle::computeOutline(const TStroke *stroke,
TStrokeOutline &outline,
TOutlineUtil::OutlineParameter param) const
{
if (m_parameter[2] >= 1.0) {
param.m_lengthStep = (m_parameter[2] >= 3.0) ? m_parameter[3] : 0;
TOutlineStyle::computeOutline(stroke, outline, param);
}
}
//-----------------------------------------------------------------------------
namespace
{
void drawOutline(TStrokeOutline *outline, bool cut)
{
const std::vector<TOutlinePoint> &v = outline->getArray();
if (v.empty())
return;
UINT i;
// outline with antialiasing
glBegin(GL_LINE_STRIP);
for (i = 0; i < v.size(); i += 2)
glVertex2dv(&v[i].x);
glEnd();
glBegin(GL_LINE_STRIP);
for (i = 1; i < v.size(); i += 2)
glVertex2dv(&v[i].x);
glEnd();
if (cut) {
static const int stride = sizeof(TOutlinePoint);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_DOUBLE, stride, &v[0]);
glDrawArrays(GL_LINES, 0, v.size());
glDisableClientState(GL_VERTEX_ARRAY);
}
}
void drawControlPoints(const TStroke *stroke, bool allPoints)
{
int i;
TPointD p;
glPointSize(4.0);
glBegin(GL_POINTS);
if (allPoints) {
int n = stroke->getControlPointCount();
for (i = 0; i < n; ++i) {
p = stroke->getControlPoint(i);
glColor3d((i + 1) & 1, i & 1, 0.0);
glVertex2d(p.x, p.y);
}
} else {
int n = stroke->getChunkCount();
for (i = 0; i < n; ++i) {
const TThickQuadratic *chunk = stroke->getChunk(i);
p = chunk->getP0();
glColor3d(1.0, 0.0, 0.0);
glVertex2d(p.x, p.y);
}
const TThickQuadratic *chunk = stroke->getChunk(n - 1);
glColor3d(1.0, 0.0, 0.0);
p = chunk->getP2();
glVertex2d(p.x, p.y);
}
glEnd();
}
void drawCenterline(const TStroke *stroke)
{
glBegin(GL_LINE_STRIP);
int n = stroke->getChunkCount();
int i = 0;
for (i = 0; i < n; ++i) {
const TThickQuadratic *chunk = stroke->getChunk(i);
double length = chunk->getLength(0, 1);
int maxCount = tmax(tceil(length / (5 * sqrt(tglGetPixelSize2()))), 1);
double deltaT = 1.0 / maxCount;
double t = 0;
for (t = 0; t < 1 + (deltaT / 2); t += deltaT) {
TPointD point = chunk->getPoint(t);
glVertex2d(point.x, point.y);
}
}
glEnd();
return;
}
}
//------------------------------------------------------------
void OutlineViewerStyle::drawStroke(const TColorFunction *cf, TStrokeOutline *outline, const TStroke *stroke) const
{
TPixel32 color;
if (cf)
color = (*(cf))(getMainColor());
else
color = getMainColor();
tglColor(color);
if (m_parameter[1] >= 1.0)
drawCenterline(stroke);
if (m_parameter[2] >= 1.0)
drawOutline(outline, m_parameter[2] >= 2.0);
if (m_parameter[0] >= 1.0)
drawControlPoints(stroke, m_parameter[0] >= 2.0);
}
#endif
//=============================================================================
TMatrioskaStrokeProp::TMatrioskaStrokeProp(const TStroke *stroke, TMatrioskaStrokeStyle *style)
: TStrokeProp(stroke), m_colorStyle(style), m_outline(), m_outlinePixelSize(0)
{
m_styleVersionNumber = m_colorStyle->getVersionNumber();
}
//-----------------------------------------------------------------------------
TStrokeProp *TMatrioskaStrokeProp::clone(const TStroke *stroke) const
{
TMatrioskaStrokeProp *prop = new TMatrioskaStrokeProp(stroke, m_colorStyle);
prop->m_strokeChanged = m_strokeChanged;
prop->m_outline = m_outline;
prop->m_outlinePixelSize = m_outlinePixelSize;
return prop;
}
//-----------------------------------------------------------------------------
const TColorStyle *TMatrioskaStrokeProp::getColorStyle() const
{
return m_colorStyle;
}
//-----------------------------------------------------------------------------
namespace
{
void recomputeStrokes(const TStroke *stroke, vector<TStroke *> &strokes, int strokeNumber)
{
clearPointerContainer(strokes);
strokes.resize(strokeNumber);
int nCP = stroke->getControlPointCount();
double reduction;
for (int strokeId = 0; strokeId != strokeNumber; strokeId++) {
strokes[strokeId] = new TStroke(*stroke);
reduction = ((double)strokeId + 0.5) / (double)(strokeNumber + 0.5);
for (int i = 0; i < nCP; i++) {
TThickPoint tp = strokes[strokeId]->getControlPoint(i);
tp.thick *= reduction;
strokes[strokeId]->setControlPoint(i, tp);
}
}
}
void recomputeOutlines(const TStroke *stroke, vector<TStroke *> &strokes, vector<TStrokeOutline> &outlines, const TSolidColorStyle *style)
{
TOutlineUtil::OutlineParameter param;
int strokeNumber = strokes.size();
outlines.resize(strokeNumber + 1);
int strokeId;
for (strokeId = 0; strokeId != strokeNumber; strokeId++) {
outlines[strokeId].getArray().clear();
style->computeOutline(strokes[strokeId], outlines[strokeId], param);
}
outlines[strokeId].getArray().clear();
style->computeOutline(stroke, outlines[strokeId], param);
}
};
void TMatrioskaStrokeProp::draw(const TVectorRenderData &rd)
{
if (rd.m_clippingRect != TRect() && !rd.m_is3dView && !convert(rd.m_aff * m_stroke->getBBox()).overlaps(rd.m_clippingRect))
return;
int strokeId;
glPushMatrix();
tglMultMatrix(rd.m_aff);
double pixelSize = sqrt(tglGetPixelSize2());
int strokeNumber = (int)(m_colorStyle->getParamValue(TColorStyle::double_tag(), 0)) - 1;
if (m_strokeChanged || (UINT)strokeNumber != m_appStrokes.size()) {
m_strokeChanged = false;
m_outlinePixelSize = pixelSize;
recomputeStrokes(m_stroke, m_appStrokes, strokeNumber);
recomputeOutlines(m_stroke, m_appStrokes, m_outline, m_colorStyle);
} else if (!isAlmostZero(pixelSize - m_outlinePixelSize, 1e-5)
// || m_styleVersionNumber != m_colorStyle->getVersionNumber()
) {
m_strokeChanged = false;
m_outlinePixelSize = pixelSize;
recomputeOutlines(m_stroke, m_appStrokes, m_outline, m_colorStyle);
}
m_colorStyle->drawStroke(rd.m_cf, &m_outline[m_appStrokes.size()], m_stroke);
TSolidColorStyle appStyle(m_colorStyle->getColorParamValue(1));
// if(m_colorStyle->isAlternate())
// {
for (strokeId = strokeNumber - 1; strokeId >= 0; strokeId--) {
if ((m_appStrokes.size() - strokeId) & 1)
appStyle.drawStroke(rd.m_cf, &m_outline[strokeId], m_appStrokes[strokeId]);
else
m_colorStyle->drawStroke(rd.m_cf, &m_outline[strokeId], m_appStrokes[strokeId]);
}
// }
// else
// {
// TPixel32 color0=m_colorStyle->getColorParamValue(0);
// TPixel32 color1=m_colorStyle->getColorParamValue(1);
// for(strokeId=strokeNumber-1; strokeId>=0;strokeId--)
// {
// double r2=(double)strokeId/(double)(strokeNumber);
// double r1=1-r2;
// TPixel32 color((int)(color0.r*r2+color1.r*r1),
// (int)(color0.g*r2+color1.g*r1),
// (int)(color0.b*r2+color1.b*r1),
// (int)(color0.m*r2+color1.m*r1)
// );
// appStyle.setMainColor(color);
// appStyle.drawStroke(rd.m_cf, &m_outline[strokeId],m_appStrokes[strokeId]);
// }
// }
glPopMatrix();
}
//------------------------------------------------------------------------------------------
void TMatrioskaStrokeProp::draw(TFlash &flash)
{
int strokeId, strokeNumber = (int)(m_colorStyle->getParamValue(TColorStyle::double_tag(), 0)) - 1;
if ((UINT)strokeNumber != m_appStrokes.size()) {
recomputeStrokes(m_stroke, m_appStrokes, strokeNumber);
}
m_colorStyle->TOutlineStyle::drawStroke(flash, m_stroke);
TSolidColorStyle appStyle(m_colorStyle->getColorParamValue(1));
for (strokeId = strokeNumber - 1; strokeId >= 0; strokeId--) {
if ((m_appStrokes.size() - strokeId) & 1)
appStyle.TOutlineStyle::drawStroke(flash, m_appStrokes[strokeId]);
else
m_colorStyle->TOutlineStyle::drawStroke(flash, m_appStrokes[strokeId]);
}
}
//-----------------------------------------------------------------------------
TMatrioskaStrokeProp::~TMatrioskaStrokeProp()
{
clearPointerContainer(m_appStrokes);
}
//=============================================================================
TMatrioskaStrokeStyle::TMatrioskaStrokeStyle(
TPixel32 color1, TPixel32 color2, double parameter, bool alternate)
: TSolidColorStyle(color1), m_color2(color2), m_parameter(parameter)
{
}
//-----------------------------------------------------------------------------
TColorStyle *TMatrioskaStrokeStyle::clone() const
{
return new TMatrioskaStrokeStyle(*this);
}
//-----------------------------------------------------------------------------
TStrokeProp *TMatrioskaStrokeStyle::makeStrokeProp(const TStroke *stroke)
{
return new TMatrioskaStrokeProp(stroke, this);
}
//-----------------------------------------------------------------------------
int TMatrioskaStrokeStyle::getParamCount() const
{
return 1;
}
//-----------------------------------------------------------------------------
TColorStyle::ParamType TMatrioskaStrokeStyle::getParamType(int index) const
{
assert(0 <= index && index < getParamCount());
return TColorStyle::DOUBLE;
}
//-----------------------------------------------------------------------------
QString TMatrioskaStrokeStyle::getParamNames(int index) const
{
assert(0 <= index && index < 1);
// if(index)
// return "alter/gradual";
// else
return QCoreApplication::translate("TMatrioskaStrokeStyle", "Stripes");
}
//-----------------------------------------------------------------------------
void TMatrioskaStrokeStyle::getParamRange(int index, double &min, double &max) const
{
assert(0 <= index && index < 1);
// if(index)
// {
// min = 0;
// max = 1;
// }
// else
// {
min = 1.0;
max = 10.0;
//}
}
//-----------------------------------------------------------------------------
double TMatrioskaStrokeStyle::getParamValue(TColorStyle::double_tag, int index) const
{
assert(0 <= index && index < 1);
// if(index)
// return (m_alternate)? 0 : 1;
// else
return m_parameter;
}
//-----------------------------------------------------------------------------
void TMatrioskaStrokeStyle::setParamValue(int index, double value)
{
assert(0 <= index && index < 1);
// if(index)
// m_alternate = value<0.5;
// else
m_parameter = value;
updateVersionNumber();
}
//-----------------------------------------------------------------------------
TPixel32 TMatrioskaStrokeStyle::getColorParamValue(int index) const
{
assert(0 <= index && index < 2);
TPixel32 tmp;
switch (index) {
case (0):
tmp = TSolidColorStyle::getMainColor();
break;
case (1):
tmp = m_color2;
break;
}
return tmp;
}
//-----------------------------------------------------------------------------
void TMatrioskaStrokeStyle::setColorParamValue(int index, const TPixel32 &color)
{
assert(0 <= index && index < 2);
switch (index) {
case (0):
TSolidColorStyle::setMainColor(color);
break;
case (1):
m_color2 = color;
break;
}
}
//-----------------------------------------------------------------------------
void TMatrioskaStrokeStyle::loadData(TInputStreamInterface &is)
{
TSolidColorStyle::loadData(is);
is >> m_parameter;
is >> m_color2;
}
//------------------------------------------------------------
void TMatrioskaStrokeStyle::saveData(TOutputStreamInterface &os) const
{
TSolidColorStyle::saveData(os);
os << m_parameter;
os << m_color2;
}