bool RenderSVGRoot::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction)
{
IntPoint pointInContainer(_x, _y);
IntSize containerToParentOffset(_tx, _ty);
IntPoint pointInParent = pointInContainer - containerToParentOffset;
IntPoint pointInBorderBox = pointInParent - parentOriginToBorderBox();
// Note: For now, we're ignoring hits to border and padding for <svg>
IntPoint pointInContentBox = pointInBorderBox - borderOriginToContentBox();
if (!contentBoxRect().contains(pointInContentBox))
return false;
IntPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
for (RenderObject* child = lastChild(); child; child = child->previousSibling()) {
if (child->nodeAtFloatPoint(request, result, localPoint, hitTestAction)) {
// FIXME: CSS/HTML assumes the local point is relative to the border box, right?
updateHitTestResult(result, pointInBorderBox);
return true;
}
}
// Spec: Only graphical elements can be targeted by the mouse, so we don't check self here.
// 16.4: "If there are no graphics elements whose relevant graphics content is under the pointer (i.e., there is no target element), the event is not dispatched."
return false;
}
bool RenderSVGRoot::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const IntPoint& pointInContainer, const IntPoint& accumulatedOffset, HitTestAction hitTestAction)
{
IntPoint pointInParent = pointInContainer - toSize(accumulatedOffset);
IntPoint pointInBorderBox = pointInParent - parentOriginToBorderBox();
// Note: For now, we're ignoring hits to border and padding for <svg>
IntPoint pointInContentBox = pointInBorderBox - borderOriginToContentBox();
if (!contentBoxRect().contains(pointInContentBox))
return false;
IntPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
for (RenderObject* child = lastChild(); child; child = child->previousSibling()) {
if (child->nodeAtFloatPoint(request, result, localPoint, hitTestAction)) {
// FIXME: CSS/HTML assumes the local point is relative to the border box, right?
updateHitTestResult(result, pointInBorderBox);
// FIXME: nodeAtFloatPoint() doesn't handle rect-based hit tests yet.
result.addNodeToRectBasedTestResult(child->node(), pointInContainer);
return true;
}
}
// If we didn't early exit above, we've just hit the container <svg> element. Unlike SVG 1.1, 2nd Edition allows container elements to be hit.
if (hitTestAction == HitTestBlockBackground && style()->pointerEvents() != PE_NONE) {
// Only return true here, if the last hit testing phase 'BlockBackground' is executed. If we'd return true in the 'Foreground' phase,
// hit testing would stop immediately. For SVG only trees this doesn't matter. Though when we have a <foreignObject> subtree we need
// to be able to detect hits on the background of a <div> element. If we'd return true here in the 'Foreground' phase, we are not able
// to detect these hits anymore.
updateHitTestResult(result, roundedIntPoint(localPoint));
return true;
}
return false;
}
const AffineTransform& RenderSVGRoot::localToParentTransform() const
{
IntSize parentToBorderBoxOffset = parentOriginToBorderBox();
m_localToParentTransform = AffineTransform::translation(parentToBorderBoxOffset.width(), parentToBorderBoxOffset.height()) * localToBorderBoxTransform();
return m_localToParentTransform;
}
const AffineTransform& RenderSVGRoot::localToParentTransform() const
{
IntSize parentToBorderBoxOffset = parentOriginToBorderBox();
AffineTransform borderBoxOriginToParentOrigin(localToBorderBoxTransform());
borderBoxOriginToParentOrigin.translateRight(parentToBorderBoxOffset.width(), parentToBorderBoxOffset.height());
m_localToParentTransform = borderBoxOriginToParentOrigin;
return m_localToParentTransform;
}
void RenderSVGRoot::paint(PaintInfo& paintInfo, int parentX, int parentY)
{
if (paintInfo.context->paintingDisabled())
return;
bool isVisible = style()->visibility() == VISIBLE;
IntPoint parentOriginInContainer(parentX, parentY);
IntPoint borderBoxOriginInContainer = parentOriginInContainer + parentOriginToBorderBox();
if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseChildBlockBackground) && isVisible)
paintBoxDecorations(paintInfo, borderBoxOriginInContainer.x(), borderBoxOriginInContainer.y());
if (paintInfo.phase == PaintPhaseBlockBackground)
return;
// An empty viewport disables rendering. FIXME: Should we still render filters?
if (m_viewportSize.isEmpty())
return;
// Don't paint if we don't have kids, except if we have filters we should paint those.
if (!firstChild() && !selfWillPaint())
return;
// Make a copy of the PaintInfo because applyTransform will modify the damage rect.
PaintInfo childPaintInfo(paintInfo);
childPaintInfo.context->save();
// Apply initial viewport clip - not affected by overflow handling
childPaintInfo.context->clip(overflowClipRect(borderBoxOriginInContainer.x(), borderBoxOriginInContainer.y()));
// Convert from container offsets (html renderers) to a relative transform (svg renderers).
// Transform from our paint container's coordinate system to our local coords.
childPaintInfo.applyTransform(localToRepaintContainerTransform(parentOriginInContainer));
bool continueRendering = true;
if (childPaintInfo.phase == PaintPhaseForeground)
continueRendering = SVGRenderSupport::prepareToRenderSVGContent(this, childPaintInfo);
if (continueRendering)
RenderBox::paint(childPaintInfo, 0, 0);
if (childPaintInfo.phase == PaintPhaseForeground)
SVGRenderSupport::finishRenderSVGContent(this, childPaintInfo, paintInfo.context);
childPaintInfo.context->restore();
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth() && isVisible)
paintOutline(paintInfo.context, borderBoxOriginInContainer.x(), borderBoxOriginInContainer.y(), width(), height());
}
