From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- layout/svg/SVGPatternFrame.h | 140 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 layout/svg/SVGPatternFrame.h (limited to 'layout/svg/SVGPatternFrame.h') diff --git a/layout/svg/SVGPatternFrame.h b/layout/svg/SVGPatternFrame.h new file mode 100644 index 0000000000..bfc9d1862a --- /dev/null +++ b/layout/svg/SVGPatternFrame.h @@ -0,0 +1,140 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef LAYOUT_SVG_SVGPATTERNFRAME_H_ +#define LAYOUT_SVG_SVGPATTERNFRAME_H_ + +#include "mozilla/Attributes.h" +#include "gfxMatrix.h" +#include "mozilla/gfx/2D.h" +#include "mozilla/RefPtr.h" +#include "mozilla/SVGPaintServerFrame.h" +#include "mozilla/UniquePtr.h" + +class nsIFrame; + +namespace mozilla { +class PresShell; +class SVGAnimatedLength; +class SVGAnimatedPreserveAspectRatio; +class SVGAnimatedTransformList; +class SVGAnimatedViewBox; +class SVGGeometryFrame; +} // namespace mozilla + +nsIFrame* NS_NewSVGPatternFrame(mozilla::PresShell* aPresShell, + mozilla::ComputedStyle* aStyle); + +namespace mozilla { + +class SVGPatternFrame final : public SVGPaintServerFrame { + using SourceSurface = gfx::SourceSurface; + + public: + NS_DECL_FRAMEARENA_HELPERS(SVGPatternFrame) + NS_DECL_QUERYFRAME + + friend nsIFrame* ::NS_NewSVGPatternFrame(mozilla::PresShell* aPresShell, + ComputedStyle* aStyle); + + explicit SVGPatternFrame(ComputedStyle* aStyle, nsPresContext* aPresContext); + + // SVGPaintServerFrame methods: + already_AddRefed GetPaintServerPattern( + nsIFrame* aSource, const DrawTarget* aDrawTarget, + const gfxMatrix& aContextMatrix, StyleSVGPaint nsStyleSVG::*aFillOrStroke, + float aGraphicOpacity, imgDrawingParams& aImgParams, + const gfxRect* aOverrideBounds) override; + + public: + // SVGContainerFrame methods: + gfxMatrix GetCanvasTM() override; + + // nsIFrame interface: + nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType) override; + +#ifdef DEBUG + void Init(nsIContent* aContent, nsContainerFrame* aParent, + nsIFrame* aPrevInFlow) override; +#endif + +#ifdef DEBUG_FRAME_DUMP + nsresult GetFrameName(nsAString& aResult) const override { + return MakeFrameName(u"SVGPattern"_ns, aResult); + } +#endif // DEBUG + + protected: + /** + * Parses this frame's href and - if it references another pattern - returns + * it. It also makes this frame a rendering observer of the specified ID. + */ + SVGPatternFrame* GetReferencedPattern(); + + // Accessors to lookup pattern attributes + uint16_t GetEnumValue(uint32_t aIndex, nsIContent* aDefault); + uint16_t GetEnumValue(uint32_t aIndex) { + return GetEnumValue(aIndex, mContent); + } + SVGAnimatedTransformList* GetPatternTransformList(nsIContent* aDefault); + gfxMatrix GetPatternTransform(); + const SVGAnimatedViewBox& GetViewBox(nsIContent* aDefault); + const SVGAnimatedViewBox& GetViewBox() { return GetViewBox(mContent); } + const SVGAnimatedPreserveAspectRatio& GetPreserveAspectRatio( + nsIContent* aDefault); + const SVGAnimatedPreserveAspectRatio& GetPreserveAspectRatio() { + return GetPreserveAspectRatio(mContent); + } + const SVGAnimatedLength* GetLengthValue(uint32_t aIndex, + nsIContent* aDefault); + const SVGAnimatedLength* GetLengthValue(uint32_t aIndex) { + return GetLengthValue(aIndex, mContent); + } + + void PaintChildren(DrawTarget* aDrawTarget, + SVGPatternFrame* aPatternWithChildren, nsIFrame* aSource, + float aGraphicOpacity, imgDrawingParams& aImgParams); + + already_AddRefed PaintPattern( + const DrawTarget* aDrawTarget, Matrix* patternMatrix, + const Matrix& aContextMatrix, nsIFrame* aSource, + StyleSVGPaint nsStyleSVG::*aFillOrStroke, float aGraphicOpacity, + const gfxRect* aOverrideBounds, imgDrawingParams& aImgParams); + + /** + * A element may reference another element using + * xlink:href and, if it doesn't have any child content of its own, then it + * will "inherit" the children of the referenced pattern (which may itself be + * inheriting its children if it references another ). This + * function returns this SVGPatternFrame or the first pattern along the + * reference chain (if there is one) to have children. + */ + SVGPatternFrame* GetPatternWithChildren(); + + gfxRect GetPatternRect(uint16_t aPatternUnits, const gfxRect& bbox, + const Matrix& aTargetCTM, nsIFrame* aTarget); + gfxMatrix ConstructCTM(const SVGAnimatedViewBox& aViewBox, + uint16_t aPatternContentUnits, uint16_t aPatternUnits, + const gfxRect& callerBBox, const Matrix& callerCTM, + nsIFrame* aTarget); + + private: + // this is a *temporary* reference to the frame of the element currently + // referencing our pattern. This must be temporary because different + // referencing frames will all reference this one frame + SVGGeometryFrame* mSource; + UniquePtr mCTM; + + protected: + // This flag is used to detect loops in xlink:href processing + bool mLoopFlag; + bool mNoHRefURI; +}; + +} // namespace mozilla + +#endif // LAYOUT_SVG_SVGPATTERNFRAME_H_ -- cgit v1.2.3