void RenderSVGContainer::layout()
{
ASSERT(needsLayout());
// Allow RenderSVGViewportContainer to update its viewport.
calcViewport();
// Allow RenderSVGTransformableContainer to update its transform.
bool updatedTransform = calculateLocalTransform();
// RenderSVGViewportContainer needs to set the 'layout size changed' flag.
determineIfLayoutSizeChanged();
SVGRenderSupport::layoutChildren(this, selfNeedsLayout() || SVGRenderSupport::filtersForceContainerLayout(this));
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && needsLayout())
SVGResourcesCache::clientLayoutChanged(this);
if (m_needsBoundariesUpdate || updatedTransform) {
updateCachedBoundaries();
m_needsBoundariesUpdate = false;
// If our bounds changed, notify the parents.
RenderSVGModelObject::setNeedsBoundariesUpdate();
}
clearNeedsLayout();
}
void RenderSVGText::layout()
{
ASSERT(needsLayout());
// FIXME: This is a hack to avoid the RenderBlock::layout() partial repainting code which is not (yet) SVG aware
setNeedsLayout(true);
IntRect oldBounds;
IntRect oldOutlineBox;
bool checkForRepaint = checkForRepaintDuringLayout();
if (checkForRepaint) {
oldBounds = m_absoluteBounds;
oldOutlineBox = absoluteOutlineBox();
}
// Best guess for a relative starting point
SVGTextElement* text = static_cast<SVGTextElement*>(element());
int xOffset = (int)(text->x()->getFirst().value(text));
int yOffset = (int)(text->y()->getFirst().value(text));
setPos(xOffset, yOffset);
calculateLocalTransform();
RenderBlock::layout();
m_absoluteBounds = absoluteClippedOverflowRect();
bool repainted = false;
if (checkForRepaint)
repainted = repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
setNeedsLayout(false);
}
void RenderForeignObject::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
IntRect oldBounds;
IntRect oldOutlineBox;
bool checkForRepaint = checkForRepaintDuringLayout();
if (checkForRepaint) {
oldBounds = m_absoluteBounds;
oldOutlineBox = absoluteOutlineBox();
}
calculateLocalTransform();
RenderBlock::layout();
m_absoluteBounds = absoluteClippedOverflowRect();
if (checkForRepaint)
repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
view()->enableLayoutState();
setNeedsLayout(false);
}
void RenderSVGContainer::layout()
{
ASSERT(needsLayout());
// RenderSVGRoot disables layoutState for the SVG rendering tree.
ASSERT(!view()->layoutStateEnabled());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() || selfWillPaint());
// Allow RenderSVGViewportContainer to update its viewport.
calcViewport();
// Allow RenderSVGTransformableContainer to update its transform.
bool updatedTransform = calculateLocalTransform();
SVGRenderSupport::layoutChildren(this, selfNeedsLayout() || SVGRenderSupport::filtersForceContainerLayout(this));
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && needsLayout())
SVGResourcesCache::clientLayoutChanged(this);
// At this point LayoutRepainter already grabbed the old bounds,
// recalculate them now so repaintAfterLayout() uses the new bounds.
if (m_needsBoundariesUpdate || updatedTransform) {
updateCachedBoundaries();
m_needsBoundariesUpdate = false;
// If our bounds changed, notify the parents.
RenderSVGModelObject::setNeedsBoundariesUpdate();
}
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void
Entity::update(float pDelta) {
if ( mDirty ) {
mUpdatedThisFrame = true;
mLocalTransform = calculateLocalTransform();
mDirty = false;
}
if ( mParent != NULL && mParent->isUpdatedThisFrame() ) {
mUpdatedThisFrame = true;
}
if ( mUpdatedThisFrame ) {
if ( mParent != NULL ) {
mWorldTransform = mLocalTransform*mParent->getWorldTransform();
} else {
mWorldTransform = mLocalTransform;
}
}
for ( auto it = mChildren.begin(); it != mChildren.end(); ++it ) {
(*it)->update(pDelta);
}
for ( auto it = mComponents.begin(); it != mComponents.end(); ++it ) {
(*it)->update(pDelta);
}
mUpdatedThisFrame = false;
}
void RenderSVGContainer::layout()
{
ASSERT(needsLayout());
ASSERT(!view()->layoutStateEnabled()); // RenderSVGRoot disables layoutState for the SVG rendering tree.
calcViewport(); // Allow RenderSVGViewportContainer to update its viewport
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() || selfWillPaint());
calculateLocalTransform(); // Allow RenderSVGTransformableContainer to update its transform
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
// Only force our kids to layout if we're being asked to relayout as a result of a parent changing
// FIXME: We should be able to skip relayout of non-relative kids when only bounds size has changed
// that's a possible future optimization using LayoutState
// http://bugs.webkit.org/show_bug.cgi?id=15391
if (selfNeedsLayout())
child->setNeedsLayout(true);
child->layoutIfNeeded();
ASSERT(!child->needsLayout());
}
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void Node::calculateTransform() const
{
if (localTransformDirty)
{
calculateLocalTransform();
}
transform = parentTransform * localTransform;
transformDirty = false;
updateChildrenTransform = true;
}
void RenderSVGContainer::layout()
{
ASSERT(needsLayout());
ASSERT(!view()->layoutStateEnabled()); // RenderSVGRoot disables layoutState for the SVG rendering tree.
calcViewport(); // Allow RenderSVGViewportContainer to update its viewport
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() || selfWillPaint());
calculateLocalTransform(); // Allow RenderSVGTransformableContainer to update its transform
layoutChildren(this, selfNeedsLayout());
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderPath::layout()
{
// FIXME: using m_absoluteBounds breaks if containerForRepaint() is not the root
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && selfNeedsLayout(), &m_absoluteBounds);
calculateLocalTransform();
setPath(static_cast<SVGStyledTransformableElement*>(element())->toPathData());
m_absoluteBounds = absoluteClippedOverflowRect();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void
Entity::init(Renderer* pRenderer, ResourceLoader* pResourceLoader) {
mLocalTransform = calculateLocalTransform();
if ( mParent ) {
mWorldTransform = mLocalTransform*mParent->getWorldTransform();
} else {
mWorldTransform = mLocalTransform;
}
for ( auto it = mChildren.begin(); it != mChildren.end(); ++it ) {
(*it)->init(pRenderer, pResourceLoader);
}
for ( auto it = mComponents.begin(); it != mComponents.end(); ++it ) {
(*it)->init(pRenderer, pResourceLoader);
}
}
void RenderForeignObject::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
// FIXME: using m_absoluteBounds breaks if containerForRepaint() is not the root
LayoutRepainter repainter(*this, checkForRepaintDuringLayout(), &m_absoluteBounds);
calculateLocalTransform();
RenderBlock::layout();
m_absoluteBounds = absoluteClippedOverflowRect();
repainter.repaintAfterLayout();
view()->enableLayoutState();
setNeedsLayout(false);
}
void LayoutSVGContainer::layout() {
ASSERT(needsLayout());
LayoutAnalyzer::Scope analyzer(*this);
// Allow LayoutSVGViewportContainer to update its viewport.
calcViewport();
// Allow LayoutSVGTransformableContainer to update its transform.
SVGTransformChange transformChange = calculateLocalTransform();
m_didScreenScaleFactorChange =
transformChange == SVGTransformChange::Full ||
SVGLayoutSupport::screenScaleFactorChanged(parent());
// LayoutSVGViewportContainer needs to set the 'layout size changed' flag.
determineIfLayoutSizeChanged();
// When hasRelativeLengths() is false, no descendants have relative lengths
// (hence no one is interested in viewport size changes).
bool layoutSizeChanged =
element()->hasRelativeLengths() &&
SVGLayoutSupport::layoutSizeOfNearestViewportChanged(this);
SVGLayoutSupport::layoutChildren(
firstChild(), false, m_didScreenScaleFactorChange, layoutSizeChanged);
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && needsLayout())
SVGResourcesCache::clientLayoutChanged(this);
if (m_needsBoundariesUpdate || transformChange != SVGTransformChange::None) {
updateCachedBoundaries();
m_needsBoundariesUpdate = false;
// If our bounds changed, notify the parents.
LayoutSVGModelObject::setNeedsBoundariesUpdate();
}
ASSERT(!m_needsBoundariesUpdate);
clearNeedsLayout();
}
void RenderSVGImage::layout()
{
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
calculateLocalTransform();
// minimum height
setHeight(errorOccurred() ? intrinsicSize().height() : 0);
calcWidth();
calcHeight();
SVGImageElement* image = static_cast<SVGImageElement*>(node());
m_localBounds = FloatRect(image->x().value(image), image->y().value(image), image->width().value(image), image->height().value(image));
calculateAbsoluteBounds();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderSVGContainer::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
IntRect oldBounds;
IntRect oldOutlineBox;
bool checkForRepaint = checkForRepaintDuringLayout() && selfWillPaint();
if (checkForRepaint) {
oldBounds = m_absoluteBounds;
oldOutlineBox = absoluteOutlineBounds();
}
calculateLocalTransform();
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
// Only force our kids to layout if we're being asked to relayout as a result of a parent changing
// FIXME: We should be able to skip relayout of non-relative kids when only bounds size has changed
// that's a possible future optimization using LayoutState
// http://bugs.webkit.org/show_bug.cgi?id=15391
if (selfNeedsLayout())
child->setNeedsLayout(true);
child->layoutIfNeeded();
ASSERT(!child->needsLayout());
}
calcBounds();
if (checkForRepaint)
repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
view()->enableLayoutState();
setNeedsLayout(false);
}
