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Screen grabber: Calculate bounding rect, fixes some drawing issues

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This commit should fix drawing artifacts occuring when quickly clicking
on the screen while moving the cursor in circles.
This commit is contained in:
Stefan Merettig 2015-03-26 16:44:59 +01:00 committed by tux3
parent db8b70e225
commit 076609afb9
1 changed files with 16 additions and 3 deletions
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19
src/widget/tool/screengrabberchooserrectitem.cpp
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@ -62,7 +62,8 @@ ScreenGrabberChooserRectItem::~ScreenGrabberChooserRectItem()
QRectF ScreenGrabberChooserRectItem::boundingRect() const QRectF ScreenGrabberChooserRectItem::boundingRect() const
{ {
return QRectF(0, 0, this->rectWidth, this->rectHeight); return QRectF(-HandleSize - 1, -HandleSize - 1,
rectWidth + HandleSize + 1, rectHeight + HandleSize + 1);
} }
void ScreenGrabberChooserRectItem::beginResize(QPointF mousePos) void ScreenGrabberChooserRectItem::beginResize(QPointF mousePos)
@ -79,8 +80,20 @@ void ScreenGrabberChooserRectItem::beginResize(QPointF mousePos)
QRect ScreenGrabberChooserRectItem::chosenRect() const QRect ScreenGrabberChooserRectItem::chosenRect() const
{ {
QRect rect (x(), y(), this->rectWidth, this->rectHeight); QRect rect (x(), y(), rectWidth, rectHeight);
return rect.normalized(); if (rectWidth < 0)
{
rect.setX(rect.x() + rectWidth);
rect.setWidth(-rectWidth);
}
if (rectHeight < 0)
{
rect.setY(rect.y() + rectHeight);
rect.setHeight(-rectHeight);
}
return rect;
} }
void ScreenGrabberChooserRectItem::showHandles() void ScreenGrabberChooserRectItem::showHandles()