void RenderSVGRoot::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && selfNeedsLayout());
int oldWidth = width();
calcWidth();
int oldHeight = height();
calcHeight();
SVGSVGElement* svg = static_cast<SVGSVGElement*>(node());
setWidth(static_cast<int>(width() * svg->currentScale()));
setHeight(static_cast<int>(height() * svg->currentScale()));
calcViewport();
// RenderSVGRoot needs to take special care to propagate window size changes to the children,
// if the outermost <svg> is using relative x/y/width/height values. Hence the additonal parameters.
layoutChildren(this, selfNeedsLayout() || (svg->hasRelativeValues() && (width() != oldWidth || height() != oldHeight)));
repainter.repaintAfterLayout();
view()->enableLayoutState();
setNeedsLayout(false);
}
void RenderSVGRoot::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
LayoutStateDisabler layoutStateDisabler(view());
bool needsLayout = selfNeedsLayout();
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && needsLayout);
IntSize oldSize(width(), height());
negotiateSizeWithHostDocumentIfNeeded();
computeLogicalWidth();
computeLogicalHeight();
calcViewport();
SVGSVGElement* svg = static_cast<SVGSVGElement*>(node());
m_isLayoutSizeChanged = svg->hasRelativeLengths() && oldSize != size();
SVGRenderSupport::layoutChildren(this, needsLayout);
m_isLayoutSizeChanged = false;
// At this point LayoutRepainter already grabbed the old bounds,
// recalculate them now so repaintAfterLayout() uses the new bounds.
if (m_needsBoundariesOrTransformUpdate) {
updateCachedBoundaries();
m_needsBoundariesOrTransformUpdate = false;
}
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
bool ImageViewport::loadImage(unsigned int *buffer, unsigned int size, unsigned int format, double ts)
{
unsigned int *tmp_image;
bool ret;
// if scale was changed
if (m_scaleChange) {
// reset image
init(m_capSize[0], m_capSize[1]);
}
// size must be identical
if (size < getBuffSize())
return false;
if (m_avail) {
// just copy
return ImageBase::loadImage(buffer, size, format, ts);
}
else {
tmp_image = m_image;
m_image = buffer;
calcViewport(0, ts, format);
ret = m_avail;
m_image = tmp_image;
// since the image was not loaded to our buffer, it's not valid
m_avail = false;
}
return ret;
}
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 RenderSVGViewportContainer::layout()
{
ASSERT(needsLayout());
calcViewport();
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
IntRect oldBounds = m_absoluteBounds;
IntRect oldOutlineBox;
bool checkForRepaint = checkForRepaintDuringLayout() && selfNeedsLayout();
if (checkForRepaint)
oldOutlineBox = absoluteOutlineBounds();
calcBounds();
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (selfNeedsLayout())
child->setNeedsLayout(true);
child->layoutIfNeeded();
ASSERT(!child->needsLayout());
}
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 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 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 RenderSVGContainer::layout()
{
ASSERT(needsLayout());
calcViewport();
// Arbitrary affine transforms are incompatible with LayoutState.
view()->disableLayoutState();
IntRect oldBounds;
IntRect oldOutlineBox;
bool checkForRepaint = checkForRepaintDuringLayout();
if (selfNeedsLayout() && checkForRepaint) {
oldBounds = m_absoluteBounds;
oldOutlineBox = absoluteOutlineBox();
}
RenderObject* child = firstChild();
while (child) {
if (!child->isRenderPath() || static_cast<RenderPath*>(child)->hasRelativeValues())
child->setNeedsLayout(true);
child->layoutIfNeeded();
ASSERT(!child->needsLayout());
child = child->nextSibling();
}
calcWidth();
calcHeight();
m_absoluteBounds = absoluteClippedOverflowRect();
if (!parent()->isSVGContainer()) {
SVGSVGElement* svg = static_cast<SVGSVGElement*>(element());
m_width = static_cast<int>(static_cast<float>(m_width) * svg->currentScale());
m_height = static_cast<int>(static_cast<float>(m_height) * svg->currentScale());
}
if (selfNeedsLayout() && checkForRepaint)
repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
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();
}
