void RenderHTMLCanvas::canvasSizeChanged()
{
IntSize canvasSize = toHTMLCanvasElement(node())->size();
LayoutSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasSize.height() * style()->effectiveZoom());
if (zoomedSize == intrinsicSize())
return;
setIntrinsicSize(zoomedSize);
if (!parent())
return;
if (!preferredLogicalWidthsDirty())
setPreferredLogicalWidthsDirty();
LayoutSize oldSize = size();
updateLogicalWidth();
updateLogicalHeight();
if (oldSize == size())
return;
if (!selfNeedsLayout())
setNeedsLayoutAndFullPaintInvalidation();
}
void SetViewSize(int viewWidth, int viewHeight)
{
wxRect oldImageRect = GetImageRect();
m_viewSize = wxSize(viewWidth, viewHeight);
wxSize zoomedSize((int)(viewWidth * m_zoomFactor), (int)(viewHeight * m_zoomFactor));
wxSize virtualSize = GetVirtualSize();
if (virtualSize.x != zoomedSize.GetWidth() + 10
|| virtualSize.y != zoomedSize.GetHeight() + 10)
{
SetVirtualSize(zoomedSize.GetWidth() + 10, zoomedSize.GetHeight() + 10);
}
wxRect imageRect = GetImageRect();
imageRect = imageRect.Union(oldImageRect);
Refresh(false, &imageRect);
}