#include "toonz/rasterstrokegenerator.h"
#include "trastercm.h"
#include "toonz/rasterbrush.h"
#include "trop.h"
RasterStrokeGenerator::RasterStrokeGenerator(const TRasterCM32P &raster,
Tasks task, ColorType colorType,
int styleId, const TThickPoint &p,
bool selective, int selectedStyle,
bool lockAlpha, bool keepAntialias,
bool isPaletteOrder)
: m_raster(raster)
, m_boxOfRaster(TRect(raster->getSize()))
, m_styleId(styleId)
, m_selective(selective)
, m_task(task)
, m_colorType(colorType)
, m_eraseStyle(4095)
, m_selectedStyle(selectedStyle)
, m_keepAntiAlias(keepAntialias)
, m_doAnArc(false)
, m_isPaletteOrder(isPaletteOrder)
, m_modifierLockAlpha(lockAlpha) {
TThickPoint pp = p;
m_points.push_back(pp);
if (task == ERASE) m_styleId = m_eraseStyle;
}
//-----------------------------------------------------------
RasterStrokeGenerator::~RasterStrokeGenerator() {}
//-----------------------------------------------------------
void RasterStrokeGenerator::add(const TThickPoint &p) {
TThickPoint pp = p;
TThickPoint mid((m_points.back() + pp) * 0.5,
(p.thick + m_points.back().thick) * 0.5);
m_points.push_back(mid);
m_points.push_back(pp);
}
//-----------------------------------------------------------
// Disegna il tratto interamente
void RasterStrokeGenerator::generateStroke(bool isPencil,
bool isStraight) const {
std::vector<TThickPoint> points(m_points);
int size = points.size();
// Prende un buffer trasparente di appoggio
TRect box = getBBox(points);
TPoint newOrigin = box.getP00();
TRasterCM32P rasBuffer(box.getSize());
rasBuffer->clear();
// Trasla i punti secondo il nuovo sitema di riferimento
translatePoints(points, newOrigin);
std::vector<TThickPoint> partialPoints;
if (size == 1) {
rasterBrush(rasBuffer, points, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
} else if (size <= 3) {
std::vector<TThickPoint> partialPoints;
if (isStraight && size == 3) {
partialPoints.push_back(points[0]);
partialPoints.push_back(points[2]);
} else {
partialPoints.push_back(points[0]);
partialPoints.push_back(points[1]);
}
rasterBrush(rasBuffer, partialPoints, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
} else if (size % 2 == 1) /*-- In the case of odd numbers --*/
{
int strokeCount = (size - 1) / 2 - 1;
std::vector<TThickPoint> partialPoints;
partialPoints.push_back(points[0]);
partialPoints.push_back(points[1]);
rasterBrush(rasBuffer, partialPoints, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
for (int i = 0; i < strokeCount; i++) {
partialPoints.clear();
rasBuffer->clear();
partialPoints.push_back(points[i * 2 + 1]);
partialPoints.push_back(points[i * 2 + 2]);
partialPoints.push_back(points[i * 2 + 3]);
if (i == strokeCount - 1) partialPoints.push_back(points[i * 2 + 4]);
rasterBrush(rasBuffer, partialPoints, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
}
} else {
std::vector<TThickPoint> partialPoints;
partialPoints.push_back(points[0]);
partialPoints.push_back(points[1]);
rasterBrush(rasBuffer, partialPoints, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
if (size > 2) {
partialPoints.clear();
std::vector<TThickPoint>::iterator it = points.begin();
it++;
partialPoints.insert(partialPoints.begin(), it, points.end());
rasterBrush(rasBuffer, partialPoints, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
}
}
}
//-----------------------------------------------------------
TRect RasterStrokeGenerator::generateLastPieceOfStroke(bool isPencil,
bool closeStroke,
bool isStraight) {
std::vector<TThickPoint> points;
int size = m_points.size();
if (isStraight) {
points.push_back(m_points[0]);
points.push_back(m_points[2]);
} else if (size == 3) {
points.push_back(m_points[0]);
points.push_back(m_points[1]);
} else if (size == 1)
points.push_back(m_points[0]);
else {
points.push_back(m_points[size - 4]);
points.push_back(m_points[size - 3]);
points.push_back(m_points[size - 2]);
if (closeStroke) points.push_back(m_points[size - 1]);
}
TRect box = getBBox(points);
TPoint newOrigin = box.getP00();
TRasterCM32P rasBuffer(box.getSize());
rasBuffer->clear();
// Trasla i punti secondo il nuovo sitema di riferimento
translatePoints(points, newOrigin);
rasterBrush(rasBuffer, points, m_styleId, !isPencil);
placeOver(m_raster, rasBuffer, newOrigin);
return box;
}
//-----------------------------------------------------------
// Ritorna il rettangolo contenente i dischi generati con centri in "points" e
// diametro "points.thick" +3 pixel a bordo
TRect RasterStrokeGenerator::getBBox(
const std::vector<TThickPoint> &points) const {
double x0 = (std::numeric_limits<double>::max)(),
y0 = (std::numeric_limits<double>::max)(),
x1 = -(std::numeric_limits<double>::max)(),
y1 = -(std::numeric_limits<double>::max)();
for (int i = 0; i < (int)points.size(); i++) {
double radius = points[i].thick * 0.5;
if (points[i].x - radius < x0) x0 = points[i].x - radius;
if (points[i].x + radius > x1) x1 = points[i].x + radius;
if (points[i].y - radius < y0) y0 = points[i].y - radius;
if (points[i].y + radius > y1) y1 = points[i].y + radius;
}
return TRect(TPoint((int)floor(x0 - 3), (int)floor(y0 - 3)),
TPoint((int)ceil(x1 + 3), (int)ceil(y1 + 3)));
}
//-----------------------------------------------------------
// Ricalcola i punti in un nuovo sistema di riferimento
void RasterStrokeGenerator::translatePoints(std::vector<TThickPoint> &points,
const TPoint &newOrigin) const {
TPointD p(newOrigin.x, newOrigin.y);
for (int i = 0; i < (int)points.size(); i++) points[i] -= p;
}
//-----------------------------------------------------------
// Effettua la over.
void RasterStrokeGenerator::placeOver(const TRasterCM32P &out,
const TRasterCM32P &in,
const TPoint &p) const {
TRect inBox = in->getBounds() + p;
TRect outBox = out->getBounds();
TRect box = inBox * outBox;
if (box.isEmpty()) return;
TRasterCM32P rOut = out->extract(box);
TRect box2 = box - p;
TRasterCM32P rIn = in->extract(box2);
for (int y = 0; y < rOut->getLy(); y++) {
/*--Finger Tool Boundary Conditions --*/
if (m_task == FINGER && (y == 0 || y == rOut->getLy() - 1)) continue;
TPixelCM32 *inPix = rIn->pixels(y);
TPixelCM32 *outPix = rOut->pixels(y);
TPixelCM32 *outEnd = outPix + rOut->getLx();
for (; outPix < outEnd; ++inPix, ++outPix) {
if (m_task == BRUSH) {
int inTone = inPix->getTone();
int outTone = outPix->getTone();
if (inPix->isPureInk() && !m_selective && !m_modifierLockAlpha) {
*outPix = TPixelCM32(inPix->getInk(), outPix->getPaint(), inTone);
continue;
}
if (m_modifierLockAlpha && !outPix->isPureInk() &&
outPix->getPaint() == 0 && outPix->getTone() == 255) {
*outPix = TPixelCM32(outPix->getInk(), outPix->getPaint(), outTone);
continue;
}
if (outPix->isPureInk() && m_selective) {
if (!m_isPaletteOrder || m_aboveStyleIds.contains(outPix->getInk())) {
*outPix = TPixelCM32(outPix->getInk(), outPix->getPaint(), outTone);
continue;
}
}
if (inTone <= outTone) {
*outPix = TPixelCM32(inPix->getInk(), outPix->getPaint(), inTone);
}
}
if (m_task == ERASE) {
if (m_colorType == INK) {
if (!m_keepAntiAlias) {
if (inPix->getTone() == 0 &&
(!m_selective ||
(m_selective && outPix->getInk() == m_selectedStyle))) {
outPix->setTone(255);
}
} else if (inPix->getTone() < 255 &&
(!m_selective ||
(m_selective && outPix->getInk() == m_selectedStyle))) {
outPix->setTone(
std::max(outPix->getTone(), 255 - inPix->getTone()));
}
}
if (m_colorType == PAINT) {
if (inPix->getTone() == 0 &&
(!m_selective ||
(m_selective && outPix->getPaint() == m_selectedStyle)))
outPix->setPaint(0);
}
if (m_colorType == INKNPAINT) {
if (inPix->getTone() < 255 &&
(!m_selective ||
(m_selective && outPix->getPaint() == m_selectedStyle)))
outPix->setPaint(0);
if (!m_keepAntiAlias) {
if (inPix->getTone() == 0 &&
(!m_selective ||
(m_selective && outPix->getInk() == m_selectedStyle))) {
outPix->setTone(255);
}
} else if (inPix->getTone() < 255 &&
(!m_selective ||
(m_selective && outPix->getInk() == m_selectedStyle))) {
outPix->setTone(
std::max(outPix->getTone(), 255 - inPix->getTone()));
}
}
} else if (m_task == PAINTBRUSH) {
if (!inPix->isPureInk()) continue;
int paintIdx = outPix->getPaint();
bool changePaint = (!m_selective && !m_modifierLockAlpha) ||
(m_selective && paintIdx == 0) ||
(m_modifierLockAlpha && paintIdx != 0);
if (m_colorType == INK)
*outPix = TPixelCM32(inPix->getInk(), outPix->getPaint(),
outPix->getTone());
if (m_colorType == PAINT)
if (changePaint)
*outPix = TPixelCM32(outPix->getInk(), inPix->getInk(),
outPix->getTone());
if (m_colorType == INKNPAINT)
*outPix =
TPixelCM32(inPix->getInk(),
changePaint ? inPix->getInk() : outPix->getPaint(),
outPix->getTone());
}
/*-- Finger tool --*/
else if (m_task == FINGER) {
/*-- Boundary Conditions --*/
if (outPix == rOut->pixels(y) || outPix == outEnd - 1) continue;
int inkId = inPix->getInk();
if (inkId == 0) continue;
TPixelCM32 *neighbourPixels[4];
neighbourPixels[0] = outPix - 1; /* left */
neighbourPixels[1] = outPix + 1; /* right */
neighbourPixels[2] = outPix - rOut->getWrap(); /* top */
neighbourPixels[3] = outPix + rOut->getWrap(); /* bottom */
int count = 0;
int tone = outPix->getTone();
/*--- When Invert is off: Fill hole operation ---*/
if (!m_selective) {
/*-- For 4 neighborhood pixels --*/
int minTone = tone;
for (int p = 0; p < 4; p++) {
/*-- Count up the items that have darker lines (lower Tone) than the
* current pixel. --*/
if (neighbourPixels[p]->getTone() < tone) {
count++;
if (neighbourPixels[p]->getTone() < minTone)
minTone = neighbourPixels[p]->getTone();
}
}
/*--- If 3 or more surrounding pixels are darker, replace with the
* minimum Tone ---*/
if (count <= 2) continue;
*outPix = TPixelCM32(inkId, outPix->getPaint(), minTone);
}
/*--- When Invert is ON: Operation to trim protrusion ---*/
else {
if (outPix->isPurePaint() || outPix->getInk() != inkId) continue;
/*-- For 4 neighborhood pixels --*/
int maxTone = tone;
for (int p = 0; p < 4; p++) {
/*--
* Count up items whose Ink# is not Current or whose line is thinner
* than your Pixel (Tone is higher).
* --*/
if (neighbourPixels[p]->getInk() != inkId) {
count++;
maxTone = 255;
} else if (neighbourPixels[p]->getTone() > tone) {
count++;
if (neighbourPixels[p]->getTone() > maxTone)
maxTone = neighbourPixels[p]->getTone();
}
}
/*--- If 3 or more surrounding pixels are thinner, replace with the
* maximum Tone ---*/
if (count <= 2) continue;
*outPix = TPixelCM32((maxTone == 255) ? 0 : inkId, outPix->getPaint(),
maxTone);
}
}
}
}
}
//-----------------------------------------------------------
TRect RasterStrokeGenerator::getLastRect(bool isStraight) const {
std::vector<TThickPoint> points;
int size = m_points.size();
if (isStraight) {
points.push_back(m_points[0]);
points.push_back(m_points[2]);
} else if (size == 3) {
points.push_back(m_points[0]);
points.push_back(m_points[1]);
} else if (size == 1)
points.push_back(m_points[0]);
else {
points.push_back(m_points[size - 4]);
points.push_back(m_points[size - 3]);
points.push_back(m_points[size - 2]);
points.push_back(m_points[size - 1]);
}
return getBBox(points);
}