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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef DMSrcSink_DEFINED | 8 #ifndef DMSrcSink_DEFINED |
9 #define DMSrcSink_DEFINED | 9 #define DMSrcSink_DEFINED |
10 | 10 |
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46 | 46 |
47 const char* c_str() const { return fMsg.c_str(); } | 47 const char* c_str() const { return fMsg.c_str(); } |
48 bool isEmpty() const { return fMsg.isEmpty(); } | 48 bool isEmpty() const { return fMsg.isEmpty(); } |
49 bool isFatal() const { return fFatal; } | 49 bool isFatal() const { return fFatal; } |
50 | 50 |
51 private: | 51 private: |
52 SkString fMsg; | 52 SkString fMsg; |
53 bool fFatal; | 53 bool fFatal; |
54 }; | 54 }; |
55 | 55 |
| 56 enum SinkType { kGPU_SinkType, kVector_SinkType, kRaster_SinkType }; |
| 57 |
56 struct Src { | 58 struct Src { |
57 // All Srcs must be thread safe. | 59 // All Srcs must be thread safe. |
58 virtual ~Src() {} | 60 virtual ~Src() {} |
59 virtual Error SK_WARN_UNUSED_RESULT draw(SkCanvas*) const = 0; | 61 virtual Error SK_WARN_UNUSED_RESULT draw(SkCanvas*) const = 0; |
60 virtual SkISize size() const = 0; | 62 virtual SkISize size() const = 0; |
61 virtual Name name() const = 0; | 63 virtual Name name() const = 0; |
62 virtual void modifyGrContextOptions(GrContextOptions* options) const {} | 64 virtual void modifyGrContextOptions(GrContextOptions* options) const {} |
| 65 virtual bool veto(SinkType) const { return false; } |
63 }; | 66 }; |
64 | 67 |
65 struct Sink { | 68 struct Sink { |
66 virtual ~Sink() {} | 69 virtual ~Sink() {} |
67 // You may write to either the bitmap or stream. If you write to log, we'll
print that out. | 70 // You may write to either the bitmap or stream. If you write to log, we'll
print that out. |
68 virtual Error SK_WARN_UNUSED_RESULT draw(const Src&, SkBitmap*, SkWStream*,
SkString* log) | 71 virtual Error SK_WARN_UNUSED_RESULT draw(const Src&, SkBitmap*, SkWStream*,
SkString* log) |
69 const = 0; | 72 const = 0; |
70 // Sinks in the same enclave (except kAnyThread_Enclave) will run serially o
n the same thread. | 73 // Sinks in the same enclave (except kAnyThread_Enclave) will run serially o
n the same thread. |
71 virtual int enclave() const = 0; | 74 virtual int enclave() const = 0; |
72 | 75 |
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103 enum DstColorType { | 106 enum DstColorType { |
104 kGetFromCanvas_DstColorType, | 107 kGetFromCanvas_DstColorType, |
105 kIndex8_Always_DstColorType, | 108 kIndex8_Always_DstColorType, |
106 kGrayscale_Always_DstColorType, | 109 kGrayscale_Always_DstColorType, |
107 }; | 110 }; |
108 CodecSrc(Path, Mode, DstColorType, float); | 111 CodecSrc(Path, Mode, DstColorType, float); |
109 | 112 |
110 Error draw(SkCanvas*) const override; | 113 Error draw(SkCanvas*) const override; |
111 SkISize size() const override; | 114 SkISize size() const override; |
112 Name name() const override; | 115 Name name() const override; |
| 116 bool veto(SinkType) const override; |
113 private: | 117 private: |
114 Path fPath; | 118 Path fPath; |
115 Mode fMode; | 119 Mode fMode; |
116 DstColorType fDstColorType; | 120 DstColorType fDstColorType; |
117 float fScale; | 121 float fScale; |
118 }; | 122 }; |
119 | 123 |
120 | 124 |
121 class ImageSrc : public Src { | 125 class ImageSrc : public Src { |
122 public: | 126 public: |
123 // divisor == 0 means decode the whole image | 127 // divisor == 0 means decode the whole image |
124 // divisor > 0 means decode in subsets, dividing into a divisor x divisor gr
id. | 128 // divisor > 0 means decode in subsets, dividing into a divisor x divisor gr
id. |
125 explicit ImageSrc(Path path, int divisor = 0); | 129 explicit ImageSrc(Path path, int divisor = 0); |
126 | 130 |
127 Error draw(SkCanvas*) const override; | 131 Error draw(SkCanvas*) const override; |
128 SkISize size() const override; | 132 SkISize size() const override; |
129 Name name() const override; | 133 Name name() const override; |
| 134 bool veto(SinkType) const override; |
130 private: | 135 private: |
131 Path fPath; | 136 Path fPath; |
132 const int fDivisor; | 137 const int fDivisor; |
133 }; | 138 }; |
134 | 139 |
135 class SKPSrc : public Src { | 140 class SKPSrc : public Src { |
136 public: | 141 public: |
137 explicit SKPSrc(Path path); | 142 explicit SKPSrc(Path path); |
138 | 143 |
139 Error draw(SkCanvas*) const override; | 144 Error draw(SkCanvas*) const override; |
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286 | 291 |
287 class ViaTwice : public Via { | 292 class ViaTwice : public Via { |
288 public: | 293 public: |
289 explicit ViaTwice(Sink* sink) : Via(sink) {} | 294 explicit ViaTwice(Sink* sink) : Via(sink) {} |
290 Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override; | 295 Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override; |
291 }; | 296 }; |
292 | 297 |
293 } // namespace DM | 298 } // namespace DM |
294 | 299 |
295 #endif//DMSrcSink_DEFINED | 300 #endif//DMSrcSink_DEFINED |
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