Method updateDirtyRect

src/tools/draw_rectangle_tool.cpp:693–719

}

void DrawRectangleTool::updateDirtyRect()
{
	QRectF rect;
	includePreviewRects(rect);
	
	if (shift_pressed)
		snap_helper->includeDirtyRect(rect);
	if (is_helper_tool)
		emit dirtyRectChanged(rect);
	else
	{
		if (angle_helper->isActive())
			angle_helper->includeDirtyRect(rect);
		if (rect.isValid())
		{
			int pixel_border = 0;
			if (editingInProgress())
				// helper_cross_radius as border is less than ideal but the only way to always ensure visibility of the helper cross at the moment
				pixel_border = qCeil(Settings::getInstance().getRectangleToolHelperCrossRadiusPx());
			if (angle_helper->isActive())
				pixel_border = qMax(pixel_border, angle_helper->getDisplayRadius());
			map()->setDrawingBoundingBox(rect, pixel_border, true);
		}
		else
			map()->clearDrawingBoundingBox();
	}
}

void DrawRectangleTool::updateStatusText()
{