зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
4.9 KiB
C++
136 строки
4.9 KiB
C++
/* -*- 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 __NS_SVGPATTERNFRAME_H__
|
|
#define __NS_SVGPATTERNFRAME_H__
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "gfxMatrix.h"
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "nsAutoPtr.h"
|
|
#include "nsSVGPaintServerFrame.h"
|
|
|
|
class nsIFrame;
|
|
|
|
namespace mozilla {
|
|
class PresShell;
|
|
class SVGAnimatedLength;
|
|
class SVGAnimatedPreserveAspectRatio;
|
|
class SVGAnimatedTransformList;
|
|
class SVGAnimatedViewBox;
|
|
class SVGGeometryFrame;
|
|
} // namespace mozilla
|
|
|
|
class nsSVGPatternFrame final : public nsSVGPaintServerFrame {
|
|
typedef mozilla::gfx::SourceSurface SourceSurface;
|
|
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS(nsSVGPatternFrame)
|
|
|
|
friend nsIFrame* NS_NewSVGPatternFrame(mozilla::PresShell* aPresShell,
|
|
ComputedStyle* aStyle);
|
|
|
|
explicit nsSVGPatternFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext);
|
|
|
|
// nsSVGPaintServerFrame methods:
|
|
virtual already_AddRefed<gfxPattern> GetPaintServerPattern(
|
|
nsIFrame* aSource, const DrawTarget* aDrawTarget,
|
|
const gfxMatrix& aContextMatrix,
|
|
mozilla::StyleSVGPaint nsStyleSVG::*aFillOrStroke, float aGraphicOpacity,
|
|
imgDrawingParams& aImgParams, const gfxRect* aOverrideBounds) override;
|
|
|
|
public:
|
|
typedef mozilla::SVGAnimatedPreserveAspectRatio
|
|
SVGAnimatedPreserveAspectRatio;
|
|
|
|
// nsSVGContainerFrame methods:
|
|
virtual gfxMatrix GetCanvasTM() override;
|
|
|
|
// nsIFrame interface:
|
|
virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
|
|
int32_t aModType) override;
|
|
|
|
#ifdef DEBUG
|
|
virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) override;
|
|
#endif
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override {
|
|
return MakeFrameName(NS_LITERAL_STRING("SVGPattern"), 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.
|
|
*/
|
|
nsSVGPatternFrame* GetReferencedPattern();
|
|
|
|
// Accessors to lookup pattern attributes
|
|
uint16_t GetEnumValue(uint32_t aIndex, nsIContent* aDefault);
|
|
uint16_t GetEnumValue(uint32_t aIndex) {
|
|
return GetEnumValue(aIndex, mContent);
|
|
}
|
|
mozilla::SVGAnimatedTransformList* GetPatternTransformList(
|
|
nsIContent* aDefault);
|
|
gfxMatrix GetPatternTransform();
|
|
const mozilla::SVGAnimatedViewBox& GetViewBox(nsIContent* aDefault);
|
|
const mozilla::SVGAnimatedViewBox& GetViewBox() {
|
|
return GetViewBox(mContent);
|
|
}
|
|
const mozilla::SVGAnimatedPreserveAspectRatio& GetPreserveAspectRatio(
|
|
nsIContent* aDefault);
|
|
const mozilla::SVGAnimatedPreserveAspectRatio& GetPreserveAspectRatio() {
|
|
return GetPreserveAspectRatio(mContent);
|
|
}
|
|
const mozilla::SVGAnimatedLength* GetLengthValue(uint32_t aIndex,
|
|
nsIContent* aDefault);
|
|
const mozilla::SVGAnimatedLength* GetLengthValue(uint32_t aIndex) {
|
|
return GetLengthValue(aIndex, mContent);
|
|
}
|
|
|
|
already_AddRefed<SourceSurface> PaintPattern(
|
|
const DrawTarget* aDrawTarget, Matrix* patternMatrix,
|
|
const Matrix& aContextMatrix, nsIFrame* aSource,
|
|
mozilla::StyleSVGPaint nsStyleSVG::*aFillOrStroke, float aGraphicOpacity,
|
|
const gfxRect* aOverrideBounds, imgDrawingParams& aImgParams);
|
|
|
|
/**
|
|
* A <pattern> element may reference another <pattern> 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 <pattern>). This
|
|
* function returns this nsSVGPatternFrame or the first pattern along the
|
|
* reference chain (if there is one) to have children.
|
|
*/
|
|
nsSVGPatternFrame* GetPatternWithChildren();
|
|
|
|
gfxRect GetPatternRect(uint16_t aPatternUnits, const gfxRect& bbox,
|
|
const Matrix& aTargetCTM, nsIFrame* aTarget);
|
|
gfxMatrix ConstructCTM(const mozilla::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
|
|
mozilla::SVGGeometryFrame* mSource;
|
|
nsAutoPtr<gfxMatrix> mCTM;
|
|
|
|
protected:
|
|
// This flag is used to detect loops in xlink:href processing
|
|
bool mLoopFlag;
|
|
bool mNoHRefURI;
|
|
};
|
|
|
|
#endif
|