static VXdoc& _transform(Request& r, const String* stylesheet_source,
VXdoc& vdoc, xsltStylesheetPtr stylesheet, const xmlChar** transform_params)
{
xmlDoc& xmldoc=vdoc.get_xmldoc();
xsltTransformContext_auto_ptr transformContext(
xsltNewTransformContext(stylesheet, &xmldoc));
// make params literal
if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
transformContext->globalVars = xmlHashCreate(20);
xsltQuoteUserParams(transformContext.get(), (const char**)transform_params);
// do transform
xmlDoc *transformed=xsltApplyStylesheetUser(
stylesheet,
&xmldoc,
0/*already quoted-inserted transform_params*/,
0/*const char* output*/,
0/*FILE *profile*/,
transformContext.get());
if(!transformed || xmlHaveGenericErrors())
throw XmlException(stylesheet_source, r);
//gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
transformed->type=XML_DOCUMENT_NODE;
// constructing result
VXdoc& result=*new VXdoc(r.charsets, *transformed);
/* grabbing options
<xsl:output
!method = "xml" | "html" | "text"
X| qname-but-not-ncname
!version = nmtoken
!encoding = string
!omit-xml-declaration = "yes" | "no"
!standalone = "yes" | "no"
!doctype-public = string
!doctype-system = string
Xcdata-section-elements = qnames
!indent = "yes" | "no"
!media-type = string />
*/
XDocOutputOptions& oo=result.output_options;
oo.method=stylesheet->method?&r.transcode(stylesheet->method):0;
oo.encoding=stylesheet->encoding?&r.transcode(stylesheet->encoding):0;
oo.mediaType=stylesheet->mediaType?&r.transcode(stylesheet->mediaType):0;
oo.indent=stylesheet->indent;
oo.version=stylesheet->version?&r.transcode(stylesheet->version):0;
oo.standalone=stylesheet->standalone;
oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration;
// return
return result;
}
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 SVGImagePainter::paint(const PaintInfo& paintInfo) {
if (paintInfo.phase != PaintPhaseForeground ||
m_layoutSVGImage.style()->visibility() != EVisibility::Visible ||
!m_layoutSVGImage.imageResource()->hasImage())
return;
FloatRect boundingBox = m_layoutSVGImage.visualRectInLocalSVGCoordinates();
if (!paintInfo.cullRect().intersectsCullRect(
m_layoutSVGImage.localToSVGParentTransform(), boundingBox))
return;
PaintInfo paintInfoBeforeFiltering(paintInfo);
// Images cannot have children so do not call updateCullRect.
SVGTransformContext transformContext(
paintInfoBeforeFiltering.context, m_layoutSVGImage,
m_layoutSVGImage.localToSVGParentTransform());
{
SVGPaintContext paintContext(m_layoutSVGImage, paintInfoBeforeFiltering);
if (paintContext.applyClipMaskAndFilterIfNecessary() &&
!LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
paintContext.paintInfo().context, m_layoutSVGImage,
paintContext.paintInfo().phase)) {
LayoutObjectDrawingRecorder recorder(
paintContext.paintInfo().context, m_layoutSVGImage,
paintContext.paintInfo().phase, boundingBox);
paintForeground(paintContext.paintInfo());
}
}
if (m_layoutSVGImage.style()->outlineWidth()) {
PaintInfo outlinePaintInfo(paintInfoBeforeFiltering);
outlinePaintInfo.phase = PaintPhaseSelfOutlineOnly;
ObjectPainter(m_layoutSVGImage)
.paintOutline(outlinePaintInfo, LayoutPoint(boundingBox.location()));
}
}
void SVGForeignObjectPainter::paint(const PaintInfo& paintInfo) {
if (paintInfo.phase != PaintPhaseForeground &&
paintInfo.phase != PaintPhaseSelection)
return;
PaintInfo paintInfoBeforeFiltering(paintInfo);
paintInfoBeforeFiltering.updateCullRect(
m_layoutSVGForeignObject.localSVGTransform());
SVGTransformContext transformContext(
paintInfoBeforeFiltering.context, m_layoutSVGForeignObject,
m_layoutSVGForeignObject.localSVGTransform());
Optional<FloatClipRecorder> clipRecorder;
if (SVGLayoutSupport::isOverflowHidden(&m_layoutSVGForeignObject))
clipRecorder.emplace(paintInfoBeforeFiltering.context,
m_layoutSVGForeignObject,
paintInfoBeforeFiltering.phase,
m_layoutSVGForeignObject.viewportRect());
SVGPaintContext paintContext(m_layoutSVGForeignObject,
paintInfoBeforeFiltering);
bool continueRendering = true;
if (paintContext.paintInfo().phase == PaintPhaseForeground)
continueRendering = paintContext.applyClipMaskAndFilterIfNecessary();
if (continueRendering) {
// Paint all phases of FO elements atomically as though the FO element
// established its own stacking context. The delegate forwards calls to
// paint() in LayoutObject::paintAllPhasesAtomically() to
// BlockPainter::paint(), instead of m_layoutSVGForeignObject.paint() (which
// would call this method again).
BlockPainterDelegate delegate(m_layoutSVGForeignObject);
ObjectPainter(delegate).paintAllPhasesAtomically(paintContext.paintInfo(),
LayoutPoint());
}
}