1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* -*- 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<gfxPattern> 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);
}
already_AddRefed<SourceSurface> PaintPattern(
const DrawTarget* aDrawTarget, Matrix* patternMatrix,
const Matrix& aContextMatrix, nsIFrame* aSource,
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 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<gfxMatrix> mCTM;
protected:
// This flag is used to detect loops in xlink:href processing
bool mLoopFlag;
bool mNoHRefURI;
};
} // namespace mozilla
#endif // LAYOUT_SVG_SVGPATTERNFRAME_H_
|
