1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/svg/nsSVGPatternFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,144 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef __NS_SVGPATTERNFRAME_H__
1.10 +#define __NS_SVGPATTERNFRAME_H__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "gfxMatrix.h"
1.14 +#include "mozilla/gfx/2D.h"
1.15 +#include "nsSVGPaintServerFrame.h"
1.16 +
1.17 +class gfxASurface;
1.18 +class gfxContext;
1.19 +class nsIFrame;
1.20 +class nsSVGElement;
1.21 +class nsSVGLength2;
1.22 +class nsSVGPathGeometryFrame;
1.23 +class nsSVGViewBox;
1.24 +
1.25 +namespace mozilla {
1.26 +class SVGAnimatedPreserveAspectRatio;
1.27 +class nsSVGAnimatedTransformList;
1.28 +} // namespace mozilla
1.29 +
1.30 +typedef nsSVGPaintServerFrame nsSVGPatternFrameBase;
1.31 +
1.32 +/**
1.33 + * Patterns can refer to other patterns. We create an nsSVGPaintingProperty
1.34 + * with property type nsGkAtoms::href to track the referenced pattern.
1.35 + */
1.36 +class nsSVGPatternFrame : public nsSVGPatternFrameBase
1.37 +{
1.38 +public:
1.39 + NS_DECL_FRAMEARENA_HELPERS
1.40 +
1.41 + friend nsIFrame* NS_NewSVGPatternFrame(nsIPresShell* aPresShell,
1.42 + nsStyleContext* aContext);
1.43 +
1.44 + nsSVGPatternFrame(nsStyleContext* aContext);
1.45 +
1.46 + // nsSVGPaintServerFrame methods:
1.47 + virtual already_AddRefed<gfxPattern>
1.48 + GetPaintServerPattern(nsIFrame *aSource,
1.49 + const gfxMatrix& aContextMatrix,
1.50 + nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
1.51 + float aOpacity,
1.52 + const gfxRect *aOverrideBounds) MOZ_OVERRIDE;
1.53 +
1.54 +public:
1.55 + typedef mozilla::SVGAnimatedPreserveAspectRatio SVGAnimatedPreserveAspectRatio;
1.56 +
1.57 + // nsSVGContainerFrame methods:
1.58 + virtual gfxMatrix GetCanvasTM(uint32_t aFor,
1.59 + nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;
1.60 +
1.61 + // nsIFrame interface:
1.62 + virtual nsresult AttributeChanged(int32_t aNameSpaceID,
1.63 + nsIAtom* aAttribute,
1.64 + int32_t aModType) MOZ_OVERRIDE;
1.65 +
1.66 +#ifdef DEBUG
1.67 + virtual void Init(nsIContent* aContent,
1.68 + nsIFrame* aParent,
1.69 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.70 +#endif
1.71 +
1.72 + /**
1.73 + * Get the "type" of the frame
1.74 + *
1.75 + * @see nsGkAtoms::svgPatternFrame
1.76 + */
1.77 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.78 +
1.79 +#ifdef DEBUG_FRAME_DUMP
1.80 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
1.81 + {
1.82 + return MakeFrameName(NS_LITERAL_STRING("SVGPattern"), aResult);
1.83 + }
1.84 +#endif // DEBUG
1.85 +
1.86 +protected:
1.87 + // Internal methods for handling referenced patterns
1.88 + class AutoPatternReferencer;
1.89 + nsSVGPatternFrame* GetReferencedPattern();
1.90 + nsSVGPatternFrame* GetReferencedPatternIfNotInUse();
1.91 +
1.92 + // Accessors to lookup pattern attributes
1.93 + uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault);
1.94 + uint16_t GetEnumValue(uint32_t aIndex)
1.95 + {
1.96 + return GetEnumValue(aIndex, mContent);
1.97 + }
1.98 + mozilla::nsSVGAnimatedTransformList* GetPatternTransformList(
1.99 + nsIContent* aDefault);
1.100 + gfxMatrix GetPatternTransform();
1.101 + const nsSVGViewBox &GetViewBox(nsIContent *aDefault);
1.102 + const nsSVGViewBox &GetViewBox() { return GetViewBox(mContent); }
1.103 + const SVGAnimatedPreserveAspectRatio &GetPreserveAspectRatio(
1.104 + nsIContent *aDefault);
1.105 + const SVGAnimatedPreserveAspectRatio &GetPreserveAspectRatio()
1.106 + {
1.107 + return GetPreserveAspectRatio(mContent);
1.108 + }
1.109 + const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault);
1.110 + const nsSVGLength2 *GetLengthValue(uint32_t aIndex)
1.111 + {
1.112 + return GetLengthValue(aIndex, mContent);
1.113 + }
1.114 +
1.115 + nsresult PaintPattern(gfxASurface **surface,
1.116 + gfxMatrix *patternMatrix,
1.117 + const gfxMatrix &aContextMatrix,
1.118 + nsIFrame *aSource,
1.119 + nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
1.120 + float aGraphicOpacity,
1.121 + const gfxRect *aOverrideBounds);
1.122 + nsIFrame* GetPatternFirstChild();
1.123 + gfxRect GetPatternRect(uint16_t aPatternUnits,
1.124 + const gfxRect &bbox,
1.125 + const Matrix &callerCTM,
1.126 + nsIFrame *aTarget);
1.127 + gfxMatrix ConstructCTM(const nsSVGViewBox& aViewBox,
1.128 + uint16_t aPatternContentUnits,
1.129 + uint16_t aPatternUnits,
1.130 + const gfxRect &callerBBox,
1.131 + const Matrix &callerCTM,
1.132 + nsIFrame *aTarget);
1.133 +
1.134 +private:
1.135 + // this is a *temporary* reference to the frame of the element currently
1.136 + // referencing our pattern. This must be temporary because different
1.137 + // referencing frames will all reference this one frame
1.138 + nsSVGPathGeometryFrame *mSource;
1.139 + nsAutoPtr<gfxMatrix> mCTM;
1.140 +
1.141 +protected:
1.142 + // This flag is used to detect loops in xlink:href processing
1.143 + bool mLoopFlag;
1.144 + bool mNoHRefURI;
1.145 +};
1.146 +
1.147 +#endif
