AffineTransform SVGRootPainter::transformToPixelSnappedBorderBox(
const LayoutPoint& paintOffset) const {
const IntRect snappedSize = pixelSnappedSize(paintOffset);
AffineTransform paintOffsetToBorderBox =
AffineTransform::translation(snappedSize.x(), snappedSize.y());
LayoutSize size = m_layoutSVGRoot.size();
if (!size.isEmpty()) {
paintOffsetToBorderBox.scale(
snappedSize.width() / size.width().toFloat(),
snappedSize.height() / size.height().toFloat());
}
paintOffsetToBorderBox.multiply(m_layoutSVGRoot.localToBorderBoxTransform());
return paintOffsetToBorderBox;
}
void SVGRootPainter::paintReplaced(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
// An empty viewport disables rendering.
if (pixelSnappedSize(paintOffset).isEmpty())
return;
// SVG outlines are painted during PaintPhaseForeground.
if (shouldPaintSelfOutline(paintInfo.phase))
return;
// An empty viewBox also disables rendering.
// (http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute)
SVGSVGElement* svg = toSVGSVGElement(m_layoutSVGRoot.node());
DCHECK(svg);
if (svg->hasEmptyViewBox())
return;
// Apply initial viewport clip.
Optional<BoxClipper> boxClipper;
if (m_layoutSVGRoot.shouldApplyViewportClip()) {
// TODO(pdr): Clip the paint info cull rect here.
boxClipper.emplace(m_layoutSVGRoot, paintInfo, paintOffset,
ForceContentsClip);
}
PaintInfo paintInfoBeforeFiltering(paintInfo);
AffineTransform transformToBorderBox =
transformToPixelSnappedBorderBox(paintOffset);
paintInfoBeforeFiltering.updateCullRect(transformToBorderBox);
SVGTransformContext transformContext(paintInfoBeforeFiltering.context,
m_layoutSVGRoot, transformToBorderBox);
SVGPaintContext paintContext(m_layoutSVGRoot, paintInfoBeforeFiltering);
if (paintContext.paintInfo().phase == PaintPhaseForeground &&
!paintContext.applyClipMaskAndFilterIfNecessary())
return;
BoxPainter(m_layoutSVGRoot).paint(paintContext.paintInfo(), LayoutPoint());
PaintTiming& timing =
PaintTiming::from(m_layoutSVGRoot.node()->document().topDocument());
timing.markFirstContentfulPaint();
}
void RenderMediaVolumeSliderContainer::layout()
{
RenderBlock::layout();
if (style()->display() == NONE || !nextSibling() || !nextSibling()->isBox())
return;
RenderBox* buttonBox = toRenderBox(nextSibling());
int absoluteOffsetTop = buttonBox->localToAbsolute(FloatPoint(0, -size().height())).y();
LayoutStateDisabler layoutStateDisabler(&view());
// If the slider would be rendered outside the page, it should be moved below the controls.
if (UNLIKELY(absoluteOffsetTop < 0))
setY(buttonBox->offsetTop() + theme()->volumeSliderOffsetFromMuteButton(buttonBox, pixelSnappedSize()).y());
}
