void CurveLineInstrument::mouseMoveEvent(QMouseEvent *event, ImageArea &imageArea)
{
if(imageArea.isPaint())
{
switch(mPointsCount)
{
//draw linear Bezier curve
case 1:
mEndPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
break;
//draw square Bezier curve
case 2:
mFirstControlPoint = mSecondControlPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
break;
//draw cubic Bezier curve
case 0:
mSecondControlPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
break;
}
imageArea.setImage(mImageCopy);
if(event->buttons() & Qt::LeftButton)
paint(imageArea, false);
else if(event->buttons() & Qt::RightButton)
paint(imageArea, true);
}
}
void CurveLineInstrument::mousePressEvent(QMouseEvent *event, ImageArea &imageArea)
{
if(event->button() == Qt::LeftButton || event->button() == Qt::RightButton)
{
if(DataSingleton::Instance()->isResetCurve())
{
mPointsCount = 0;
DataSingleton::Instance()->setResetCurve(false);
}
switch(mPointsCount)
{
//draw linear Bezier curve
case 0:
mImageCopy = *imageArea.getImage();
mStartPoint = mEndPoint = mFirstControlPoint = mSecondControlPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
++mPointsCount;
break;
//draw square Bezier curve
case 1:
mFirstControlPoint = mSecondControlPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
++mPointsCount;
break;
//draw cubic Bezier curve
case 2:
mSecondControlPoint = QPoint(event->pos().x()/imageArea.getZoomFactor(), event->pos().y()/imageArea.getZoomFactor());
mPointsCount = 0;
break;
}
imageArea.setIsPaint(true);
makeUndoCommand(imageArea);
}
}
void EraserInstrument::paint(ImageArea &imageArea, bool, bool)
{
QPainter painter(imageArea.getImage());
painter.setPen(QPen(Qt::white,
DataSingleton::Instance()->getPenSize() * imageArea.getZoomFactor(),
Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
if(mStartPoint != mEndPoint)
{
painter.drawLine(mStartPoint, mEndPoint);
}
if(mStartPoint == mEndPoint)
{
painter.drawPoint(mStartPoint);
}
imageArea.setEdited(true);
// int rad(DataSingleton::Instance()->getPenSize() + round(sqrt((mStartPoint.x() - mEndPoint.x()) *
// (mStartPoint.x() - mEndPoint.x()) +
// (mStartPoint.y() - mEndPoint.y()) *
// (mStartPoint.y() - mEndPoint.y()))));
// mPImageArea->update(QRect(mStartPoint, mEndPoint).normalized().adjusted(-rad, -rad, +rad, +rad));
painter.end();
imageArea.update();
}
void CurveLineInstrument::paint(ImageArea &imageArea, bool isSecondaryColor, bool)
{
QPainter painter(imageArea.getImage());
//make Bezier curve path
QPainterPath path;
path.moveTo(mStartPoint);
path.cubicTo(mFirstControlPoint, mSecondControlPoint, mEndPoint);
//choose color
painter.setPen(QPen(isSecondaryColor ? DataSingleton::Instance()->getSecondaryColor() :
DataSingleton::Instance()->getPrimaryColor(),
DataSingleton::Instance()->getPenSize() * imageArea.getZoomFactor(),
Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
//draw Bezier curve with given path
painter.strokePath(path, painter.pen());
imageArea.setEdited(true);
painter.end();
imageArea.update();
}
void RectangleInstrument::paint(ImageArea &imageArea, bool isSecondaryColor, bool)
{
QPainter painter(imageArea.getImage());
painter.setPen(QPen(DataSingleton::Instance()->getPrimaryColor(),
DataSingleton::Instance()->getPenSize() * imageArea.getZoomFactor(),
Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
if(isSecondaryColor)
{
painter.setBrush(QBrush(DataSingleton::Instance()->getSecondaryColor()));
}
if(mStartPoint != mEndPoint)
{
painter.drawRect(QRect(mStartPoint, mEndPoint));
}
imageArea.setEdited(true);
// int rad(DataSingleton::Instance()->getPenSize() + round(sqrt((mStartPoint.x() - mEndPoint.x()) *
// (mStartPoint.x() - mEndPoint.x()) +
// (mStartPoint.y() - mEndPoint.y()) *
// (mStartPoint.y() - mEndPoint.y()))));
// mPImageArea->update(QRect(mStartPoint, mEndPoint).normalized().adjusted(-rad, -rad, +rad, +rad));
painter.end();
imageArea.update();
}