#include "toonzqt/tonecurvefield.h"
#include "toonzqt/fxhistogramrender.h"
#include "toonzqt/intpairfield.h"
#include "toonzqt/checkbox.h"
#include <QPainter>
#include <QPainterPath>
#include <QStackedWidget>
#include <QMouseEvent>
#include <QApplication>
#include <QHBoxLayout>
#include <QComboBox>
#include <QLabel>
using namespace DVGui;
//-----------------------------------------------------------------------------
namespace {
//-----------------------------------------------------------------------------
double getPercentAtPoint(QPointF point, QPainterPath path) {
int i;
for (i = 1; i < 100; i++) {
double p = double(i) * 0.01;
QPointF pathPoint = path.pointAtPercent(p);
if (abs(pathPoint.x() - point.x()) < 3 &&
abs(pathPoint.y() - point.y()) < 3)
return p;
}
return 0;
}
//-----------------------------------------------------------------------------
QList<QPointF> getIntersectedPoint(QRectF rect, QPainterPath path) {
int y0 = rect.top();
int y1 = rect.bottom();
QList<QPointF> points;
double g = 1.0 / 256.0;
QPointF prec = path.pointAtPercent(0);
QPointF point = path.pointAtPercent(g);
int j = 0;
for (j = 2; j < 256; j++) {
QPointF next = path.pointAtPercent(double(j) * g);
if (prec.y() >= y0 && prec.y() <= y1) {
if (point.y() < y0)
points.push_back(QPointF(prec.x(), y0));
else if (point.y() > y1)
points.push_back(QPointF(prec.x(), y1));
}
if (next.y() >= y0 && next.y() <= y1) {
if (point.y() < y0)
points.push_back(QPointF(next.x(), y0));
else if (point.y() > y1)
points.push_back(QPointF(next.x(), y1));
}
prec = point;
point = next;
}
return points;
}
//-----------------------------------------------------------------------------
double qtNorm2(const QPointF &p) { return p.x() * p.x() + p.y() * p.y(); }
double qtNorm(const QPointF &p) { return sqrt(qtNorm2(p)); }
QPointF qtNormalize(const QPointF &p) {
double n = qtNorm(p);
assert(n != 0.0);
return (1.0 / n) * p;
}
double qtDistance2(const QPointF &p1, const QPointF &p2) {
return qtNorm2(p2 - p1);
}
double qtDistance(const QPointF &p1, const QPointF &p2) {
return qtNorm(p2 - p1);
}
//-----------------------------------------------------------------------------
QPointF getNewFirstHandlePoint(const QPointF &p, const QPointF &nextP,
const QPointF &oldHandlePoint) {
bool canMove = (nextP.x() - p.x() > 16);
int yDistance = nextP.y() - p.y();
double sign = (yDistance != 0) ? yDistance / abs(yDistance) : 1;
double t = qtDistance(p, oldHandlePoint);
if (!canMove) {
QPointF normalizedP =
(yDistance != 0) ? qtNormalize(nextP - p) : QPoint(1, 1);
return QPointF(p + QPointF(t * normalizedP));
} else if (abs(oldHandlePoint.x() - p.x()) < 16)
return QPointF(p.x() + 16, p.y() + sign * sqrt(t * t - 16 * 16));
return oldHandlePoint;
}
//-----------------------------------------------------------------------------
QPointF getNewSecondHandlePoint(const QPointF &p, const QPointF &nextP,
const QPointF &oldHandlePoint) {
bool canMove = (nextP.x() - p.x() > 16);
int yDistance = p.y() - nextP.y();
double sign = (yDistance != 0) ? yDistance / abs(yDistance) : 1;
double s = qtDistance(oldHandlePoint, nextP);
if (!canMove) {
QPointF normalizedP =
(yDistance != 0) ? qtNormalize(nextP - p) : QPoint(1, 1);
return QPointF(nextP - QPointF(s * normalizedP));
} else if (abs(nextP.x() - oldHandlePoint.x()) < 16)
return QPointF(nextP.x() - 16, nextP.y() + sign * sqrt(s * s - 16 * 16));
return oldHandlePoint;
}
//-----------------------------------------------------------------------------
} // anonymous namespace
//-----------------------------------------------------------------------------
//=============================================================================
// ChennelCurveEditor
//=============================================================================
ChennelCurveEditor::ChennelCurveEditor(QWidget *parent,
HistogramView *histogramView)
: QWidget(parent)
, m_histogramView(histogramView)
, m_currentControlPointIndex(-1)
, m_mouseButton(Qt::NoButton)
, m_curveHeight(256)
, m_LeftRightMargin(42)
, m_TopMargin(9)
, m_BottomMargin(48)
, m_isLinear(false) {
setFixedSize(m_curveHeight + 2 * m_LeftRightMargin + 2,
m_curveHeight + m_TopMargin + m_BottomMargin);
setAttribute(Qt::WA_KeyCompression);
setFocusPolicy(Qt::StrongFocus);
setMouseTracking(true);
m_histogramView->setDrawnWidget(this);
m_histogramView->setGraphHeight(m_curveHeight);
m_histogramView->setGraphAlphaMask(120);
m_verticalChannelBar =
new ChannelBar(0, m_histogramView->getChannelBarColor(), false);
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::setPoints(QList<TPointD> points) {
if (!m_points.isEmpty()) m_points.clear();
int i;
for (i = 0; i < points.size(); i++) {
QPointF p = strokeToViewPoint(points.at(i));
m_points.push_back(p);
}
/*--ポイント位置に合わせてスライダも更新する--*/
int firstIndex = 3;
int lastIndex = m_points.size() - 4;
emit firstLastXPostionChanged(viewToStrokePoint(m_points.at(firstIndex)).x,
viewToStrokePoint(m_points.at(lastIndex)).x);
update();
}
//-----------------------------------------------------------------------------
QList<TPointD> ChennelCurveEditor::getPoints() {
QList<TPointD> points;
if (m_points.isEmpty()) return points;
int i;
for (i = 0; i < m_points.size(); i++)
points.push_back(viewToStrokePoint(m_points.at(i)));
return points;
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::setFirstLastXPosition(std::pair<int, int> values,
bool isDragging) {
if (!isDragging) {
emit controlPointChanged(false);
return;
}
QPointF newX0 = strokeToViewPoint(TPointD(values.first, 0));
QPointF newX1 = strokeToViewPoint(TPointD(values.second, 0));
int indexX0 = 3;
int indexX1 = m_points.size() - 4;
QPointF x0 = m_points.at(indexX0);
QPointF x1 = m_points.at(indexX1);
if (x0.x() != newX0.x()) {
QPointF delta(newX0.x() - x0.x(), 0);
moveCentralControlPoint(indexX0, delta);
update();
}
if (x1.x() != newX1.x()) {
QPointF delta(newX1.x() - x1.x(), 0);
moveCentralControlPoint(indexX1, delta);
update();
}
m_currentControlPointIndex = -1;
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::setLinear(bool isLinear) {
if (m_isLinear == isLinear) return;
m_isLinear = isLinear;
update();
}
//-----------------------------------------------------------------------------
QPointF ChennelCurveEditor::checkPoint(const QPointF p) {
QPointF checkedP = p;
int y0 = m_TopMargin + 1;
int y1 = m_curveHeight + m_TopMargin;
if (p.y() < y0) checkedP = QPointF(checkedP.x(), y0);
if (p.y() > y1) checkedP = QPointF(checkedP.x(), y1);
int x0 = m_LeftRightMargin + 1;
int x1 = m_curveHeight + m_LeftRightMargin;
if (p.x() < x0) checkedP = QPointF(x0, checkedP.y());
if (p.x() > x1) checkedP = QPointF(x1, checkedP.y());
return checkedP;
}
//-----------------------------------------------------------------------------
QPointF ChennelCurveEditor::strokeToViewPoint(const TPointD p) {
double x = p.x + m_LeftRightMargin + 1;
double y = height() - m_BottomMargin - p.y;
return QPointF(x, y);
}
//-----------------------------------------------------------------------------
TPointD ChennelCurveEditor::viewToStrokePoint(const QPointF &p) {
double x = p.x() - m_LeftRightMargin - 1;
double y = m_curveHeight - (p.y() - m_TopMargin);
return TThickPoint(x, y);
}
//-----------------------------------------------------------------------------
int ChennelCurveEditor::getClosestPointIndex(const QPointF &pos,
double &minDistance2) const {
int closestPointIndex = -1;
minDistance2 = 0;
int i;
for (i = 0; i < (int)m_points.size(); i++) {
double distance2 = qtDistance2(pos, m_points.at(i));
if (closestPointIndex < 0 || distance2 < minDistance2) {
minDistance2 = distance2;
closestPointIndex = i;
}
}
return closestPointIndex;
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::movePoint(int index, const QPointF delta) {
QPointF p = m_points.at(index);
p += delta;
setPoint(index, p);
int firstIndex = 3;
int lastIndex = m_points.size() - 4;
if (index == firstIndex)
emit firstLastXPostionChanged(viewToStrokePoint(p).x,
viewToStrokePoint(m_points.at(lastIndex)).x);
if (index == lastIndex)
emit firstLastXPostionChanged(viewToStrokePoint(m_points.at(firstIndex)).x,
viewToStrokePoint(p).x);
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::setPoint(int index, const QPointF p) {
m_points.removeAt(index);
m_points.insert(index, p);
int firstIndex = 3;
int lastIndex = m_points.size() - 4;
if (index == firstIndex)
emit firstLastXPostionChanged(viewToStrokePoint(p).x,
viewToStrokePoint(m_points.at(lastIndex)).x);
if (index == lastIndex)
emit firstLastXPostionChanged(viewToStrokePoint(m_points.at(firstIndex)).x,
viewToStrokePoint(p).x);
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::moveCurrentControlPoint(const QPointF delta) {
assert(m_currentControlPointIndex != -1);
int pointCount = m_points.size();
/*- セグメントを動かした場合 -*/
if (isCentralControlPoint(m_currentControlPointIndex))
moveCentralControlPoint(m_currentControlPointIndex, delta);
/*- 左のハンドルを動かした場合 -*/
else if (isLeftControlPoint(m_currentControlPointIndex)) {
QPointF p0 =
m_points.at(m_currentControlPointIndex) + QPointF(0, delta.y());
setPoint(m_currentControlPointIndex, p0);
if (m_currentControlPointIndex < pointCount - 5) {
QPointF p2 =
m_points.at(m_currentControlPointIndex + 2) - QPointF(0, delta.y());
setPoint(m_currentControlPointIndex + 2, p2);
}
emit controlPointChanged(true);
}
/*- 右のハンドルを動かした場合 -*/
else {
assert(isRightControlPoint(m_currentControlPointIndex));
QPointF p0 =
m_points.at(m_currentControlPointIndex) + QPointF(0, delta.y());
setPoint(m_currentControlPointIndex, p0);
if (m_currentControlPointIndex > 4) {
QPointF p2 =
m_points.at(m_currentControlPointIndex - 2) - QPointF(0, delta.y());
setPoint(m_currentControlPointIndex - 2, p2);
}
emit controlPointChanged(true);
}
update();
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::moveCentralControlPoint(int index,
const QPointF delta) {
int pointCount = m_points.size();
assert(index < pointCount - 3 && index > 2);
QPointF p = m_points.at(index);
QPointF d = delta;
// Trovo il valore di delta im modo tale che il punto di controllo non sia
// trascinato fuori dal range consentito
int newX = p.x() + delta.x();
int newY = p.y() + delta.y();
QPointF newPoint = checkPoint(QPoint(newX, newY));
d = newPoint - p;
QPointF nextP = m_points.at(index + 3);
QPointF precP = m_points.at(index - 3);
double nextDistance = nextP.x() - (p.x() + d.x());
double precDistance = (p.x() + d.x()) - precP.x();
// Caso particolare: Punto di controllo corrente == primo visibile,
// Punto di controllo successivo
//==
// l'ultimo
// visibile
if (index == 3 && index + 3 == pointCount - 4) {
setPoint(index + 1,
getNewFirstHandlePoint(p, nextP, m_points.at(index + 1)));
setPoint(index + 2,
getNewSecondHandlePoint(p, nextP, m_points.at(index + 2)));
if (nextDistance < 0) d = QPointF(nextP.x() - p.x(), d.y());
}
// Caso particolare: Punto di controllo corrente == ultimo visibile,
// Punto di controllo precedente
//==
// primo
// visibile
else if (index - 3 == 3 && index == pointCount - 4) {
setPoint(index - 2,
getNewFirstHandlePoint(precP, p, m_points.at(index - 2)));
setPoint(index - 1,
getNewSecondHandlePoint(precP, p, m_points.at(index - 1)));
if (precDistance < 0) d = QPointF(precP.x() - p.x(), d.y());
}
// Altrimenti calcolo il nuovo delta
else if (nextDistance < 16)
d = QPointF(nextP.x() - p.x() - 16, d.y());
else if (precDistance < 16)
d = QPointF(precP.x() - p.x() + 16, d.y());
// Punto di controllo speciale: il primo visualizzato.
if (index == 3) {
QPointF dY = QPointF(0, d.y());
movePoint(index - 1, dY);
movePoint(index - 2, dY);
movePoint(index - 3, dY);
}
// Punto di controllo speciale: l'ultimo visualizzato.
if (index == pointCount - 4) {
QPointF dY = QPointF(0, d.y());
movePoint(index + 1, dY);
movePoint(index + 2, dY);
movePoint(index + 3, dY);
}
if (index > 3) movePoint(index - 1, d);
if (index < pointCount - 4) movePoint(index + 1, d);
movePoint(index, d);
emit controlPointChanged(true);
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::addControlPoint(double percent) {
QPainterPath path = getPainterPath();
QPointF p = path.pointAtPercent(percent);
// Cerco il punto di controllo precedente
int pointCount = m_points.size();
int beforeControlPointIndex;
for (beforeControlPointIndex = pointCount - 1; beforeControlPointIndex >= 0;
beforeControlPointIndex--) {
QPointF point = m_points.at(beforeControlPointIndex);
if (isCentralControlPoint(beforeControlPointIndex) && point.x() < p.x())
break;
}
if (beforeControlPointIndex == 0 || beforeControlPointIndex == pointCount - 4)
return;
QPointF p0 = checkPoint(m_points.at(beforeControlPointIndex));
// Se sono troppo vicino al punto di controllo precedente ritorno
if (abs(p.x() - p0.x()) <= 16) return;
double beforeControlPointPercent = getPercentAtPoint(p0, path);
QPointF p1 = checkPoint(m_points.at(beforeControlPointIndex + 1));
QPointF p2 = checkPoint(m_points.at(beforeControlPointIndex + 2));
QPointF p3 = checkPoint(m_points.at(beforeControlPointIndex + 3));
// Se sono troppo vicino al punto di controllo successivo ritorno
if (abs(p3.x() - p.x()) <= 16) return;
double nextControlPointPercent = getPercentAtPoint(p3, path);
// Calcolo la velocita' e quindi il coiffciente angolare.
double t =
percent * 100 / (nextControlPointPercent - beforeControlPointPercent);
double s = t - 1;
QPointF speed =
3.0 * ((p1 - p0) * s * s + 2 * (p2 - p0) * s * t + (p3 - p2) * t * t);
double m = speed.y() / speed.x();
int newControlPointIndex = beforeControlPointIndex + 3;
m_points.insert(newControlPointIndex - 1,
QPointF(p.x() - 16, p.y() - 16 * m));
m_points.insert(newControlPointIndex, p);
m_points.insert(newControlPointIndex + 1,
QPointF(p.x() + 16, p.y() + 16 * m));
m_currentControlPointIndex = newControlPointIndex;
emit controlPointAdded(newControlPointIndex);
update();
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::removeCurrentControlPoint() {
removeControlPoint(m_currentControlPointIndex);
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::selectNextControlPoint()
{
int controlPointCount = (int)m_points.size();
if (controlPointCount == 0)
return;
int firstVisibleControlPoint = 3;
int lastVisibleControlPoint = m_points.size() - 4;
m_currentControlPointIndex++;
if (m_currentControlPointIndex < firstVisibleControlPoint || m_currentControlPointIndex > lastVisibleControlPoint)
m_currentControlPointIndex = firstVisibleControlPoint;
update();
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::selectPreviousControlPoint()
{
int controlPointCount = (int)m_points.size();
if (controlPointCount == 0)
return;
int firstVisibleControlPoint = 3;
int lastVisibleControlPoint = m_points.size() - 4;
m_currentControlPointIndex--;
if (m_currentControlPointIndex < firstVisibleControlPoint || m_currentControlPointIndex > lastVisibleControlPoint)
m_currentControlPointIndex = lastVisibleControlPoint;
update();
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::moveCurrentControlPointUp()
{
if (m_currentControlPointIndex < 0)
return;
moveCurrentControlPoint(QPointF(0, -10));
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::moveCurrentControlPointDown()
{
if (m_currentControlPointIndex < 0)
return;
moveCurrentControlPoint(QPointF(0, 10));
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::removeControlPoint(int index) {
// Non posso eliminare il primo punto di controllo visibile quindi lo rimetto
// in condizione iniziale
if (index <= 4) {
setPoint(0, strokeToViewPoint(TPointD(-40, 0)));
setPoint(1, strokeToViewPoint(TPointD(-20, 0)));
setPoint(2, strokeToViewPoint(TPointD(-20, 0)));
setPoint(3, strokeToViewPoint(TPointD(0, 0)));
setPoint(4, strokeToViewPoint(TPointD(16, 16)));
update();
emit controlPointChanged(false);
return;
}
// Non posso eliminare il l'ultimo punto di controllo visibile quindi lo
// rimetto in condizione iniziale
if (index >= m_points.size() - 5) {
int i = m_points.size() - 5;
setPoint(i, strokeToViewPoint(TPointD(239, 239)));
setPoint(i + 1, strokeToViewPoint(TPointD(255, 255)));
setPoint(i + 2, strokeToViewPoint(TPointD(275, 255)));
setPoint(i + 3, strokeToViewPoint(TPointD(275, 255)));
setPoint(i + 4, strokeToViewPoint(TPointD(295, 255)));
update();
emit controlPointChanged(false);
return;
}
int firstIndex = 0;
if (isCentralControlPoint(index))
firstIndex = index - 1;
else if (isLeftControlPoint(index))
firstIndex = index;
else
firstIndex = index - 2;
m_points.removeAt(firstIndex);
m_points.removeAt(firstIndex);
m_points.removeAt(firstIndex);
emit controlPointRemoved(firstIndex + 1);
m_currentControlPointIndex = firstIndex - 2;
update();
}
//-----------------------------------------------------------------------------
QPainterPath ChennelCurveEditor::getPainterPath() {
int pointCount = m_points.size();
if (pointCount == 0) return QPainterPath();
QPointF p0 = m_points.at(0);
QPainterPath path(p0);
int i;
for (i = 1; i < pointCount; i++) {
QPointF p1 = m_points.at(i);
QPointF p2 = m_points.at(++i);
QPointF p3 = m_points.at(++i);
path.moveTo(p0);
if (!m_isLinear)
path.cubicTo(p1, p2, p3);
else
path.lineTo(p3);
p0 = p3;
}
// Cerco le eventuali intersezioni con il bordo.
QRectF rect(m_LeftRightMargin, m_TopMargin, m_curveHeight, m_curveHeight);
QRectF r = path.boundingRect();
if (!rect.contains(QRect(rect.left(), r.top(), rect.width(), r.height()))) {
QList<QPointF> points = getIntersectedPoint(rect, path);
// Se trovo punti di intersezione (per come e' definita la curva devono
// essere pari)
// faccio l'unione del path calcolato e di nuovi path lineari.
int j = 0;
for (j = 0; j < points.size(); j++) {
QPointF p0 = points.at(j);
QPointF p1 = points.at(++j);
QPainterPath line(p0);
line.lineTo(p1);
path.addPath(line);
}
}
return path;
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::paintEvent(QPaintEvent *e) {
QPainter painter(this);
// Disegno il reticolato
painter.setRenderHint(QPainter::Antialiasing, false);
painter.setPen(QColor(250, 250, 250));
int i;
int d = m_curveHeight * 0.25;
for (i = 1; i < 16; i++) {
// linee orizzontali
int delta = m_TopMargin + 16 * i;
int j;
for (j = 1; j < 4; j++)
painter.drawLine(QPoint((j - 1) * d + m_LeftRightMargin + 1, delta),
QPoint(j * d + m_LeftRightMargin - 1, delta));
painter.drawLine(QPoint((4 - 1) * d + m_LeftRightMargin + 1, delta),
QPoint(4 * d + m_LeftRightMargin, delta));
// linee verticali
delta = m_LeftRightMargin + 1 + 16 * i;
if (i % 4 == 0) continue;
for (j = 1; j < 5; j++)
painter.drawLine(QPoint(delta, (j - 1) * d + m_TopMargin),
QPoint(delta, j * d + m_TopMargin - 1));
}
// Disegno l'histogram.
m_histogramView->draw(&painter, QPoint(m_LeftRightMargin - 10, 0));
// Disegno la barra verticale a sinistra.
m_verticalChannelBar->draw(
&painter,
QPoint(0, -2)); //-1 == m_topMargin- il margine della barra(=10+1).
QRectF r = rect().adjusted(m_LeftRightMargin, m_TopMargin, -m_LeftRightMargin,
-m_BottomMargin);
// Disegno la curva entro i limiti del grafo
painter.setClipRect(r, Qt::IntersectClip);
QPainterPath path = getPainterPath();
if (path.isEmpty()) return;
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setPen(Qt::black);
painter.setBrush(Qt::NoBrush);
painter.drawPath(path);
// Disegno i punti di controllo (esclusi i primi tre e gli ultimi tre)
r = r.adjusted(-5, -5, 5, 5);
int n = m_points.size();
QPointF p = m_points.at(3);
for (i = 3; i < n - 3; i++) {
QBrush brush(Qt::white);
int rad = 3;
QPointF nextP = m_points.at(i + 1);
if (isCentralControlPoint(i))
rad = 4;
else if (m_isLinear) {
p = nextP;
continue;
}
if (m_currentControlPointIndex == i) brush = QBrush(Qt::black);
painter.setBrush(brush);
painter.setPen(Qt::black);
if (!m_isLinear) {
if (isLeftControlPoint(i))
painter.drawLine(p, nextP);
else if (isCentralControlPoint(i) && i < n - 4)
painter.drawLine(p, nextP);
}
QPainterPath circle;
QRectF pointRect(p.x() - rad, p.y() - rad, 2 * rad, 2 * rad);
if (r.contains(pointRect))
#if QT_VERSION >= 0x050000
painter.setClipRect(pointRect.adjusted(-1, -1, 1, 1));
#else
painter.setClipRect(pointRect.adjusted(-1, -1, 1, 1), Qt::UniteClip);
#endif
circle.addEllipse(pointRect);
painter.fillPath(circle, brush);
painter.drawPath(circle);
p = nextP;
}
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::mouseMoveEvent(QMouseEvent *e) {
if (m_mouseButton == Qt::LeftButton && m_currentControlPointIndex != -1) {
QPoint pos = e->pos();
QPointF posF = QPointF(pos.x(), pos.y());
moveCurrentControlPoint(posF - m_points.at(m_currentControlPointIndex));
}
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::mousePressEvent(QMouseEvent *e) {
m_mouseButton = e->button();
setFocus();
if (m_mouseButton == Qt::LeftButton) {
QPoint pos = e->pos();
QPointF posF = QPointF(pos.x(), pos.y());
double minDistance;
int controlPointIndex = getClosestPointIndex(posF, minDistance);
// Se la distanza e' piccola seleziono il control point corrente
if (minDistance < 20)
m_currentControlPointIndex = controlPointIndex;
else {
m_currentControlPointIndex = -1;
// Se sono sufficentemente lontano da un punto di controllo, ma abbastanza
// vicino alla curva
// aggiungo un punto di controllo
double percent = getPercentAtPoint(posF, getPainterPath());
if (percent != 0 && minDistance > 20) addControlPoint(percent);
}
update();
}
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::mouseReleaseEvent(QMouseEvent *e) {
/*-- マウスドラッグ中はプレビューを更新しない。ここで初めて更新 --*/
if (m_mouseButton == Qt::LeftButton && m_currentControlPointIndex != -1 &&
e->button() == Qt::LeftButton)
emit controlPointChanged(false);
m_mouseButton = Qt::NoButton;
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Delete) removeCurrentControlPoint();
if (e->key() == Qt::Key_Right) selectNextControlPoint();
if (e->key() == Qt::Key_Left) selectPreviousControlPoint();
if (e->key() == Qt::Key_Up) moveCurrentControlPointUp();
if (e->key() == Qt::Key_Down) moveCurrentControlPointDown();
}
//-----------------------------------------------------------------------------
void ChennelCurveEditor::enterEvent(QEvent *) { m_mouseButton = Qt::NoButton; }
//-----------------------------------------------------------------------------
void ChennelCurveEditor::leaveEvent(QEvent *) { m_mouseButton = Qt::NoButton; }
//--------------------------------------------------------
bool ChennelCurveEditor::eventFilter(QObject *object, QEvent *event) {
if (event->type() == QEvent::Shortcut ||
event->type() == QEvent::ShortcutOverride) {
if (!object->inherits("FxSettings")) {
event->accept();
return true;
}
}
return false;
}
//--------------------------------------------------------
void ChennelCurveEditor::focusInEvent(QFocusEvent *fe) {
QWidget::focusInEvent(fe);
qApp->installEventFilter(this);
}
//--------------------------------------------------------
void ChennelCurveEditor::focusOutEvent(QFocusEvent *fe) {
m_currentControlPointIndex = -1;
emit focusOut();
QWidget::focusOutEvent(fe);
qApp->removeEventFilter(this);
update();
}
//=============================================================================
// ToneCurveField
//=============================================================================
ToneCurveField::ToneCurveField(QWidget *parent,
FxHistogramRender *fxHistogramRender)
: QWidget(parent), m_toneCurveStackedWidget(0) {
setFixedWidth(368);
int currentChannelIndex = 0;
QVBoxLayout *mainLayout = new QVBoxLayout(this);
mainLayout->setMargin(0);
mainLayout->setSpacing(0);
QStringList channels;
channels << "RGBA"
<< "RGB"
<< "Red"
<< "Green"
<< "Blue"
<< "Alpha";
int channelCount = channels.size();
// lista canali: label+comboBox
QWidget *channelListWidget = new QWidget(this);
QHBoxLayout *channelListLayout = new QHBoxLayout(channelListWidget);
channelListLayout->setMargin(0);
channelListLayout->setSpacing(0);
QLabel *channelLabel = new QLabel(tr("Channel:"), channelListWidget);
channelListLayout->addWidget(channelLabel);
m_channelListChooser = new QComboBox(channelListWidget);
m_channelListChooser->setFixedSize(100, 20);
m_channelListChooser->addItems(channels);
m_channelListChooser->setCurrentIndex(currentChannelIndex);
channelListLayout->addWidget(m_channelListChooser);
channelListWidget->setLayout(channelListLayout);
mainLayout->addWidget(channelListWidget, 0, Qt::AlignCenter);
// stack widget dei grafi
m_toneCurveStackedWidget = new QStackedWidget(this);
Histograms *histograms = new Histograms(0, true);
fxHistogramRender->setHistograms(histograms);
int i;
for (i = 0; i < channelCount; i++) {
ChennelCurveEditor *c =
new ChennelCurveEditor(this, histograms->getHistogramView(i));
m_toneCurveStackedWidget->addWidget(c);
connect(c, SIGNAL(firstLastXPostionChanged(int, int)), this,
SLOT(onFirstLastXPostionChanged(int, int)));
}
QWidget *w = new QWidget(this);
QHBoxLayout *layout = new QHBoxLayout(w);
layout->setMargin(0);
layout->setSpacing(0);
layout->addWidget(m_toneCurveStackedWidget);
w->setLayout(layout);
mainLayout->addWidget(w, 0, Qt::AlignHCenter);
m_toneCurveStackedWidget->setCurrentIndex(currentChannelIndex);
// stack widget degli slider
m_sliderStackedWidget = new QStackedWidget(this);
for (i = 0; i < channelCount; i++) {
IntPairField *intPairSlider = new IntPairField(this);
intPairSlider->setFixedHeight(20);
intPairSlider->setLabelsEnabled(false);
intPairSlider->setRange(0, 255);
intPairSlider->setValues(std::make_pair(0, 255));
m_sliderStackedWidget->addWidget(intPairSlider);
connect(intPairSlider, SIGNAL(valuesChanged(bool)), this,
SLOT(sliderValueChanged(bool)));
}
mainLayout->addWidget(m_sliderStackedWidget);
m_sliderStackedWidget->setCurrentIndex(currentChannelIndex);
mainLayout->addSpacing(10);
m_isLinearCheckBox = new CheckBox(QString("Linear"), this);
mainLayout->addWidget(m_isLinearCheckBox, 0, Qt::AlignHCenter);
connect(m_isLinearCheckBox, SIGNAL(clicked(bool)),
SLOT(setLinearManually(bool)));
connect(m_isLinearCheckBox, SIGNAL(toggled(bool)), SLOT(setLinear(bool)));
connect(m_channelListChooser, SIGNAL(currentIndexChanged(int)),
m_toneCurveStackedWidget, SLOT(setCurrentIndex(int)));
connect(m_channelListChooser, SIGNAL(currentIndexChanged(int)),
m_sliderStackedWidget, SLOT(setCurrentIndex(int)));
connect(m_channelListChooser, SIGNAL(currentIndexChanged(int)), this,
SIGNAL(currentChannelIndexChanged(int)));
setLayout(mainLayout);
}
//-----------------------------------------------------------------------------
void ToneCurveField::setCurrentChannel(int currentChannel) {
m_channelListChooser->setCurrentIndex(currentChannel);
}
//-----------------------------------------------------------------------------
ChennelCurveEditor *ToneCurveField::getChannelEditor(int channel) const {
ChennelCurveEditor *c = dynamic_cast<ChennelCurveEditor *>(
m_toneCurveStackedWidget->widget(channel));
assert(c);
return c;
}
//-----------------------------------------------------------------------------
ChennelCurveEditor *ToneCurveField::getCurrentChannelEditor() const {
return getChannelEditor(m_toneCurveStackedWidget->currentIndex());
}
//-----------------------------------------------------------------------------
IntPairField *ToneCurveField::getCurrentSlider() const {
return dynamic_cast<IntPairField *>(m_sliderStackedWidget->currentWidget());
}
//-----------------------------------------------------------------------------
void ToneCurveField::sliderValueChanged(bool isDragging) {
std::pair<int, int> values = getCurrentSlider()->getValues();
getCurrentChannelEditor()->setFirstLastXPosition(values, isDragging);
}
//-----------------------------------------------------------------------------
void ToneCurveField::onFirstLastXPostionChanged(int x0, int x1) {
std::pair<int, int> values = getCurrentSlider()->getValues();
if (values.first != x0 || values.second != x1)
getCurrentSlider()->setValues(std::make_pair(x0, x1));
}
//-----------------------------------------------------------------------------
void ToneCurveField::setIsLinearCheckBox(bool isChecked) {
if (m_isLinearCheckBox->isChecked() == isChecked) return;
m_isLinearCheckBox->setChecked(isChecked);
}
//-----------------------------------------------------------------------------
void ToneCurveField::setLinear(bool isLinear) {
int i;
for (i = 0; i < m_sliderStackedWidget->count(); i++)
getChannelEditor(i)->setLinear(isLinear);
}
//-----------------------------------------------------------------------------
void ToneCurveField::setLinearManually(bool isLinear) {
emit isLinearChanged(isLinear);
}