void KisToolMultihand::paint(QPainter& gc, const KoViewConverter &converter)
{
if(m_setupAxesFlag) {
int diagonal = (currentImage()->height() + currentImage()->width());
QPainterPath path;
path.moveTo(m_axesPoint.x()-diagonal*cos(m_angle), m_axesPoint.y()-diagonal*sin(m_angle));
path.lineTo(m_axesPoint.x()+diagonal*cos(m_angle), m_axesPoint.y()+diagonal*sin(m_angle));
path.moveTo(m_axesPoint.x()-diagonal*cos(m_angle+M_PI_2), m_axesPoint.y()-diagonal*sin(m_angle+M_PI_2));
path.lineTo(m_axesPoint.x()+diagonal*cos(m_angle+M_PI_2), m_axesPoint.y()+diagonal*sin(m_angle+M_PI_2));
paintToolOutline(&gc, pixelToView(path));
}
else {
KisToolFreehand::paint(gc, converter);
if(m_showAxes){
int diagonal = (currentImage()->height() + currentImage()->width());
QPainterPath path;
path.moveTo(m_axesPoint.x()-diagonal*cos(m_angle), m_axesPoint.y()-diagonal*sin(m_angle));
path.lineTo(m_axesPoint.x()+diagonal*cos(m_angle), m_axesPoint.y()+diagonal*sin(m_angle));
path.moveTo(m_axesPoint.x()-diagonal*cos(m_angle+M_PI_2), m_axesPoint.y()-diagonal*sin(m_angle+M_PI_2));
path.lineTo(m_axesPoint.x()+diagonal*cos(m_angle+M_PI_2), m_axesPoint.y()+diagonal*sin(m_angle+M_PI_2));
paintToolOutline(&gc, pixelToView(path));
}
}
}
void KisToolPolylineBase::paint(QPainter& gc, const KoViewConverter &converter)
{
Q_UNUSED(converter);
if (!canvas() || !currentImage())
return;
QPointF start, end;
QPointF startPos;
QPointF endPos;
QPainterPath path;
if (m_dragging && !m_points.empty()) {
startPos = pixelToView(m_dragStart);
endPos = pixelToView(m_dragEnd);
path.moveTo(startPos);
path.lineTo(endPos);
}
for (vQPointF::iterator it = m_points.begin(); it != m_points.end(); ++it) {
if (it == m_points.begin()) {
start = (*it);
} else {
end = (*it);
startPos = pixelToView(start);
endPos = pixelToView(end);
path.moveTo(startPos);
path.lineTo(endPos);
start = end;
}
}
if (m_closeSnappingActivated) {
QPointF basePoint = pixelToView(m_points.first());
path.addEllipse(basePoint, SNAPPING_HANDLE_RADIUS, SNAPPING_HANDLE_RADIUS);
}
paintToolOutline(&gc, path);
KisToolPaint::paint(gc,converter);
}
void KisToolPolylineBase::mouseMoveEvent(KoPointerEvent *event)
{
if (m_dragging && !m_points.empty()) {
// erase old lines on canvas
QRectF updateRect = dragBoundingRect();
// get current mouse position
m_dragEnd = convertToPixelCoord(event);
// draw new lines on canvas
updateRect |= dragBoundingRect();
updateCanvasViewRect(updateRect);
QPointF basePoint = pixelToView(m_points.first());
m_closeSnappingActivated =
m_points.size() > 1 &&
(basePoint - pixelToView(m_dragEnd)).manhattanLength() < SNAPPING_THRESHOLD;
updateCanvasViewRect(QRectF(basePoint, 2 * QSize(SNAPPING_HANDLE_RADIUS + PREVIEW_LINE_WIDTH, SNAPPING_HANDLE_RADIUS + PREVIEW_LINE_WIDTH)).translated(-SNAPPING_HANDLE_RADIUS + PREVIEW_LINE_WIDTH,-SNAPPING_HANDLE_RADIUS + PREVIEW_LINE_WIDTH));
KisToolPaint::requestUpdateOutline(event->point, event);
} else {
KisToolPaint::mouseMoveEvent(event);
}
}
void KisToolPolylineBase::undoSelection()
{
if(m_dragging) {
//Update canvas for drag before undo
QRectF updateRect = dragBoundingRect();
updateRect |= dragBoundingRect();
updateCanvasViewRect(updateRect);
//Update canvas for last segment
QRectF rect;
if (m_points.size() > 2) {
rect = pixelToView(QRectF(m_points.last(), m_points.at(m_points.size()-2)).normalized());
rect.adjust(-PREVIEW_LINE_WIDTH, -PREVIEW_LINE_WIDTH, PREVIEW_LINE_WIDTH, PREVIEW_LINE_WIDTH);
rect |= rect;
updateCanvasViewRect(rect);
}
if (m_points.size() > 0) {
m_points.pop_back();
}
if (m_points.size() > 0) {
m_dragStart = m_points.last();
}
}
}
QRectF KisToolPolylineBase::dragBoundingRect()
{
QRectF rect = pixelToView(QRectF(m_dragStart, m_dragEnd).normalized());
rect.adjust(-PREVIEW_LINE_WIDTH, -PREVIEW_LINE_WIDTH, PREVIEW_LINE_WIDTH, PREVIEW_LINE_WIDTH);
return rect;
}
