gfx/2d/DrawTargetSkia.h@97036ab72558
gfx/2d/DrawTargetSkia.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef _MOZILLA_GFX_SOURCESURFACESKIA_H
7 #define _MOZILLA_GFX_SOURCESURFACESKIA_H
9 #ifdef USE_SKIA_GPU
10 #include "skia/GrContext.h"
11 #include "skia/GrGLInterface.h"
12 #endif
14 #include "skia/SkCanvas.h"
16 #include "2D.h"
17 #include "Rect.h"
18 #include "PathSkia.h"
19 #include <sstream>
20 #include <vector>
22 namespace mozilla {
23 namespace gfx {
25 class SourceSurfaceSkia;
27 class DrawTargetSkia : public DrawTarget
28 {
29 public:
30 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia)
31 DrawTargetSkia();
32 virtual ~DrawTargetSkia();
34 virtual BackendType GetType() const { return BackendType::SKIA; }
35 virtual TemporaryRef<SourceSurface> Snapshot();
36 virtual IntSize GetSize() { return mSize; }
37 virtual void Flush();
38 virtual void DrawSurface(SourceSurface *aSurface,
39 const Rect &aDest,
40 const Rect &aSource,
41 const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(),
42 const DrawOptions &aOptions = DrawOptions());
43 virtual void DrawFilter(FilterNode *aNode,
44 const Rect &aSourceRect,
45 const Point &aDestPoint,
46 const DrawOptions &aOptions = DrawOptions());
47 virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
48 const Point &aDest,
49 const Color &aColor,
50 const Point &aOffset,
51 Float aSigma,
52 CompositionOp aOperator);
53 virtual void ClearRect(const Rect &aRect);
54 virtual void CopySurface(SourceSurface *aSurface,
55 const IntRect &aSourceRect,
56 const IntPoint &aDestination);
57 virtual void FillRect(const Rect &aRect,
58 const Pattern &aPattern,
59 const DrawOptions &aOptions = DrawOptions());
60 virtual void StrokeRect(const Rect &aRect,
61 const Pattern &aPattern,
62 const StrokeOptions &aStrokeOptions = StrokeOptions(),
63 const DrawOptions &aOptions = DrawOptions());
64 virtual void StrokeLine(const Point &aStart,
65 const Point &aEnd,
66 const Pattern &aPattern,
67 const StrokeOptions &aStrokeOptions = StrokeOptions(),
68 const DrawOptions &aOptions = DrawOptions());
69 virtual void Stroke(const Path *aPath,
70 const Pattern &aPattern,
71 const StrokeOptions &aStrokeOptions = StrokeOptions(),
72 const DrawOptions &aOptions = DrawOptions());
73 virtual void Fill(const Path *aPath,
74 const Pattern &aPattern,
75 const DrawOptions &aOptions = DrawOptions());
76 virtual void FillGlyphs(ScaledFont *aFont,
77 const GlyphBuffer &aBuffer,
78 const Pattern &aPattern,
79 const DrawOptions &aOptions = DrawOptions(),
80 const GlyphRenderingOptions *aRenderingOptions = nullptr);
81 virtual void Mask(const Pattern &aSource,
82 const Pattern &aMask,
83 const DrawOptions &aOptions = DrawOptions());
84 virtual void MaskSurface(const Pattern &aSource,
85 SourceSurface *aMask,
86 Point aOffset,
87 const DrawOptions &aOptions = DrawOptions());
88 virtual void PushClip(const Path *aPath);
89 virtual void PushClipRect(const Rect& aRect);
90 virtual void PopClip();
91 virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
92 const IntSize &aSize,
93 int32_t aStride,
94 SurfaceFormat aFormat) const;
95 virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
96 virtual TemporaryRef<SourceSurface>
97 CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const;
98 virtual TemporaryRef<DrawTarget>
99 CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
100 virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const;
101 virtual TemporaryRef<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = ExtendMode::CLAMP) const;
102 virtual TemporaryRef<FilterNode> CreateFilter(FilterType aType);
103 virtual void SetTransform(const Matrix &aTransform);
104 virtual void *GetNativeSurface(NativeSurfaceType aType);
106 bool Init(const IntSize &aSize, SurfaceFormat aFormat);
107 void Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat);
109 #ifdef USE_SKIA_GPU
110 bool InitWithGrContext(GrContext* aGrContext,
111 const IntSize &aSize,
112 SurfaceFormat aFormat) MOZ_OVERRIDE;
113 #endif
115 operator std::string() const {
116 std::stringstream stream;
117 stream << "DrawTargetSkia(" << this << ")";
118 return stream.str();
119 }
121 private:
122 friend class SourceSurfaceSkia;
123 void SnapshotDestroyed();
125 void MarkChanged();
127 SkRect SkRectCoveringWholeSurface() const;
129 #ifdef USE_SKIA_GPU
130 SkRefPtr<GrContext> mGrContext;
131 uint32_t mTexture;
132 #endif
134 IntSize mSize;
135 SkRefPtr<SkCanvas> mCanvas;
136 SourceSurfaceSkia* mSnapshot;
137 };
139 }
140 }
142 #endif // _MOZILLA_GFX_SOURCESURFACESKIA_H
