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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 _MOZILLA_GFX_SOURCESURFACESKIA_H
#define _MOZILLA_GFX_SOURCESURFACESKIA_H
#include "skia/include/core/SkCanvas.h"
#include "skia/include/core/SkSurface.h"
#include "2D.h"
#include "HelpersSkia.h"
#include "Rect.h"
#include "PathSkia.h"
#include <sstream>
#include <vector>
namespace mozilla {
namespace gfx {
class SourceSurfaceSkia;
class DrawTargetSkia : public DrawTarget
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia, override)
DrawTargetSkia();
virtual ~DrawTargetSkia();
virtual DrawTargetType GetType() const override;
virtual BackendType GetBackendType() const override { return BackendType::SKIA; }
virtual already_AddRefed<SourceSurface> Snapshot() override;
virtual IntSize GetSize() override { return mSize; }
virtual bool LockBits(uint8_t** aData, IntSize* aSize,
int32_t* aStride, SurfaceFormat* aFormat,
IntPoint* aOrigin = nullptr) override;
virtual void ReleaseBits(uint8_t* aData) override;
virtual void Flush() override;
virtual void DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void DrawFilter(FilterNode *aNode,
const Rect &aSourceRect,
const Point &aDestPoint,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator) override;
virtual void ClearRect(const Rect &aRect) override;
virtual void CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination) override;
virtual void FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions()) override;
virtual void Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions(),
const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
virtual void Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions = DrawOptions()) override;
virtual void MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions = DrawOptions()) override;
virtual bool Draw3DTransformedSurface(SourceSurface* aSurface,
const Matrix4x4& aMatrix) override;
virtual void PushClip(const Path *aPath) override;
virtual void PushClipRect(const Rect& aRect) override;
virtual void PushDeviceSpaceClipRects(const IntRect* aRects, uint32_t aCount) override;
virtual void PopClip() override;
virtual void PushLayer(bool aOpaque, Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform,
const IntRect& aBounds = IntRect(),
bool aCopyBackground = false) override;
virtual void PopLayer() override;
virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const override;
virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override;
virtual already_AddRefed<SourceSurface> OptimizeSourceSurfaceForUnknownAlpha(SourceSurface *aSurface) const override;
virtual already_AddRefed<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override;
virtual already_AddRefed<DrawTarget>
CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override;
virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override;
virtual already_AddRefed<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = ExtendMode::CLAMP) const override;
virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override;
virtual void SetTransform(const Matrix &aTransform) override;
virtual void *GetNativeSurface(NativeSurfaceType aType) override;
virtual void DetachAllSnapshots() override { MarkChanged(); }
bool Init(const IntSize &aSize, SurfaceFormat aFormat);
bool Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat, bool aUninitialized = false);
bool Init(SkCanvas* aCanvas);
#ifdef USE_SKIA_GPU
bool InitWithGrContext(GrContext* aGrContext,
const IntSize &aSize,
SurfaceFormat aFormat,
bool aCached);
virtual bool
InitWithGrContext(GrContext* aGrContext,
const IntSize &aSize,
SurfaceFormat aFormat) override {
return InitWithGrContext(aGrContext, aSize, aFormat, false);
}
already_AddRefed<SourceSurface> OptimizeGPUSourceSurface(SourceSurface *aSurface) const;
#endif
// Skia assumes that texture sizes fit in 16-bit signed integers.
static size_t GetMaxSurfaceSize() {
return 32767;
}
operator std::string() const {
std::stringstream stream;
stream << "DrawTargetSkia(" << this << ")";
return stream.str();
}
private:
friend class SourceSurfaceSkia;
void SnapshotDestroyed();
void MarkChanged();
bool ShouldLCDRenderText(FontType aFontType, AntialiasMode aAntialiasMode);
bool UsingSkiaGPU() const;
struct PushedLayer
{
PushedLayer(bool aOldPermitSubpixelAA,
bool aOpaque,
Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform)
: mOldPermitSubpixelAA(aOldPermitSubpixelAA),
mOpaque(aOpaque),
mOpacity(aOpacity),
mMask(aMask),
mMaskTransform(aMaskTransform)
{}
bool mOldPermitSubpixelAA;
bool mOpaque;
Float mOpacity;
RefPtr<SourceSurface> mMask;
Matrix mMaskTransform;
};
std::vector<PushedLayer> mPushedLayers;
#ifdef USE_SKIA_GPU
sk_sp<GrContext> mGrContext;
#endif
IntSize mSize;
sk_sp<SkSurface> mSurface;
sk_sp<SkCanvas> mCanvas;
SourceSurfaceSkia* mSnapshot;
};
} // namespace gfx
} // namespace mozilla
#endif // _MOZILLA_GFX_SOURCESURFACESKIA_H
|
