bool KisToolProxy::forwardEvent(ActionState state, KisTool::ToolAction action, QEvent *event, QEvent *originalEvent)
{
bool retval = true;
QTabletEvent *tabletEvent = dynamic_cast<QTabletEvent*>(event);
QTouchEvent *touchEvent = dynamic_cast<QTouchEvent*>(event);
QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);
if (tabletEvent) {
QPointF docPoint = widgetToDocument(tabletEvent->posF());
tabletEvent->accept();
this->tabletEvent(tabletEvent, docPoint);
forwardToTool(state, action, tabletEvent, docPoint);
retval = tabletEvent->isAccepted();
} else if (touchEvent) {
if (state == END && touchEvent->type() != QEvent::TouchEnd) {
//Fake a touch end if we are "upgrading" a single-touch gesture to a multi-touch gesture.
QTouchEvent fakeEvent(QEvent::TouchEnd, touchEvent->device(),
touchEvent->modifiers(), touchEvent->touchPointStates(),
touchEvent->touchPoints());
this->touchEvent(&fakeEvent);
} else {
this->touchEvent(touchEvent);
}
} else if (mouseEvent) {
QPointF docPoint = widgetToDocument(mouseEvent->posF());
mouseEvent->accept();
if (mouseEvent->type() == QEvent::MouseButtonPress) {
mousePressEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseButtonDblClick) {
mouseDoubleClickEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
mouseReleaseEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseMove) {
mouseMoveEvent(mouseEvent, docPoint);
}
forwardToTool(state, action, originalEvent, docPoint);
retval = mouseEvent->isAccepted();
} else if(event->type() == QEvent::KeyPress) {
QKeyEvent* kevent = static_cast<QKeyEvent*>(event);
keyPressEvent(kevent);
} else if(event->type() == QEvent::KeyRelease) {
QKeyEvent* kevent = static_cast<QKeyEvent*>(event);
keyReleaseEvent(kevent);
}
return retval;
}
void KisToolProxy::forwardMouseHoverEvent(QMouseEvent *mouseEvent, QTabletEvent *lastTabletEvent, const QPoint &canvasOriginWorkaround)
{
if (lastTabletEvent) {
QPointF docPoint = tabletToDocument(lastTabletEvent->hiResGlobalPos(), canvasOriginWorkaround);
this->tabletEvent(lastTabletEvent, docPoint);
} else {
KIS_ASSERT_RECOVER_RETURN(mouseEvent->type() == QEvent::MouseMove);
QPointF docPoint = widgetToDocument(mouseEvent->posF());
mouseMoveEvent(mouseEvent, docPoint);
}
}
QImage KisScratchPad::cutoutOverlay() const
{
if(!m_paintLayer) return QImage();
KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();
QRect rc = widgetToDocument().mapRect(m_cutoutOverlay);
QImage rawImage = paintDevice->convertToQImage(0, rc.x(), rc.y(), rc.width(), rc.height(), KoColorConversionTransformation::IntentPerceptual, KoColorConversionTransformation::BlackpointCompensation);
QImage scaledImage = rawImage.scaled(m_cutoutOverlay.size(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
return scaledImage;
}
void KisToolProxy::forwardHoverEvent(QEvent *event)
{
switch (event->type()) {
case QEvent::TabletMove: {
QTabletEvent *tabletEvent = static_cast<QTabletEvent*>(event);
QPointF docPoint = widgetToDocument(tabletEvent->posF());
this->tabletEvent(tabletEvent, docPoint);
return;
}
case QEvent::MouseMove: {
QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
QPointF docPoint = widgetToDocument(mouseEvent->posF());
mouseMoveEvent(mouseEvent, docPoint);
return;
}
default: {
qWarning() << "forwardHoverEvent encountered unknown event type.";
return;
}
}
}
void KisScratchPad::paintPresetImage()
{
if(!m_paintLayer) return;
KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();
QRect overlayRect = widgetToDocument().mapRect(m_cutoutOverlay);
QRect imageRect(QPoint(), overlayRect.size());
QImage scaledImage = m_presetImage.scaled(overlayRect.size(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
KisPaintDeviceSP device = new KisPaintDevice(paintDevice->colorSpace());
device->convertFromQImage(scaledImage, 0);
KisPainter painter(paintDevice);
painter.bitBlt(overlayRect.topLeft(), device, imageRect);
update();
}
void KisScratchPad::paintEvent ( QPaintEvent * event ) {
if(!m_paintLayer) return;
QRectF imageRect = widgetToDocument().mapRect(QRectF(event->rect()));
QRect alignedImageRect =
imageRect.adjusted(-m_scaleBorderWidth, -m_scaleBorderWidth,
m_scaleBorderWidth, m_scaleBorderWidth).toAlignedRect();
QPointF offset = alignedImageRect.topLeft();
m_paintLayer->updateProjection(alignedImageRect);
KisPaintDeviceSP projection = m_paintLayer->projection();
QImage image = projection->convertToQImage(m_displayProfile,
alignedImageRect.x(),
alignedImageRect.y(),
alignedImageRect.width(),
alignedImageRect.height(),
KoColorConversionTransformation::IntentPerceptual,
KoColorConversionTransformation::BlackpointCompensation);
QPainter gc(this);
gc.fillRect(event->rect(), m_checkBrush);
gc.setRenderHints(QPainter::SmoothPixmapTransform);
gc.drawImage(QRectF(event->rect()), image, imageRect.translated(-offset));
QBrush brush(Qt::lightGray);
QPen pen(brush, 1, Qt::DotLine);
gc.setPen(pen);
if (m_cutoutOverlay.isValid()) {
gc.drawRect(m_cutoutOverlay);
}
if(!isEnabled()) {
QColor color(Qt::lightGray);
color.setAlphaF(0.5);
QBrush disabledBrush(color);
gc.fillRect(event->rect(), disabledBrush);
}
gc.end();
}
void KisScratchPad::fillGradient()
{
if(!m_paintLayer) return;
KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();
KoAbstractGradient* gradient = m_resourceProvider->currentGradient();
QRect gradientRect = widgetToDocument().mapRect(rect());
paintDevice->clear();
KisGradientPainter painter(paintDevice);
painter.setGradient(gradient);
painter.paintGradient(gradientRect.topLeft(),
gradientRect.bottomRight(),
KisGradientPainter::GradientShapeLinear,
KisGradientPainter::GradientRepeatNone,
0.2, false,
gradientRect.left(), gradientRect.top(),
gradientRect.width(), gradientRect.height());
update();
}
QRect KisScratchPad::imageBounds() const
{
return widgetToDocument().mapRect(rect());
}
void KisScratchPad::updateTransformations()
{
m_eventFilter->setWidgetToDocumentTransform(widgetToDocument());
}
QPointF KisToolProxy::tabletToDocument(const QPointF &globalPos)
{
const QPointF pos = globalPos - QPointF(canvas()->canvasWidget()->mapToGlobal(QPoint(0, 0)));
return widgetToDocument(pos);
}
QPointF KisToolProxy::tabletToDocument(const QPointF &globalPos, const QPoint &canvasOriginWorkaround)
{
const QPointF pos = globalPos - canvasOriginWorkaround;
return widgetToDocument(pos);
}
