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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 |
11 #include "DMGpuSupport.h" | 11 #include "DMGpuSupport.h" |
12 #include "SkBBHFactory.h" | 12 #include "SkBBHFactory.h" |
13 #include "SkBBoxHierarchy.h" | 13 #include "SkBBoxHierarchy.h" |
14 #include "SkBitmap.h" | 14 #include "SkBitmap.h" |
15 #include "SkBitmapRegionDecoder.h" | |
15 #include "SkCanvas.h" | 16 #include "SkCanvas.h" |
16 #include "SkData.h" | 17 #include "SkData.h" |
17 #include "SkGPipe.h" | 18 #include "SkGPipe.h" |
18 #include "SkPicture.h" | 19 #include "SkPicture.h" |
19 #include "gm.h" | 20 #include "gm.h" |
20 | 21 |
21 namespace DM { | 22 namespace DM { |
22 | 23 |
23 // This is just convenience. It lets you use either return "foo" or return SkSt ringPrintf(...). | 24 // This is just convenience. It lets you use either return "foo" or return SkSt ringPrintf(...). |
24 struct ImplicitString : public SkString { | 25 struct ImplicitString : public SkString { |
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107 kCodec_Mode, | 108 kCodec_Mode, |
108 kScanline_Mode, | 109 kScanline_Mode, |
109 kScanline_Subset_Mode, | 110 kScanline_Subset_Mode, |
110 kStripe_Mode, // Tests the skipping of scanlines | 111 kStripe_Mode, // Tests the skipping of scanlines |
111 kSubset_Mode, // For codecs that support subsets directly. | 112 kSubset_Mode, // For codecs that support subsets directly. |
112 }; | 113 }; |
113 enum DstColorType { | 114 enum DstColorType { |
114 kGetFromCanvas_DstColorType, | 115 kGetFromCanvas_DstColorType, |
115 kIndex8_Always_DstColorType, | 116 kIndex8_Always_DstColorType, |
116 kGrayscale_Always_DstColorType, | 117 kGrayscale_Always_DstColorType, |
118 kAlpha_Always_DstColorType, | |
scroggo
2015/09/03 20:07:41
Alpha8 is used as a hack for Grayscale. Maybe we s
msarett
2015/09/03 22:10:30
Yes I think this makes sense.
| |
117 }; | 119 }; |
118 CodecSrc(Path, Mode, DstColorType, float); | 120 CodecSrc(Path, Mode, DstColorType, float); |
119 | 121 |
120 Error draw(SkCanvas*) const override; | 122 Error draw(SkCanvas*) const override; |
121 SkISize size() const override; | 123 SkISize size() const override; |
122 Name name() const override; | 124 Name name() const override; |
123 bool veto(SinkFlags) const override; | 125 bool veto(SinkFlags) const override; |
124 private: | 126 private: |
125 Path fPath; | 127 Path fPath; |
126 Mode fMode; | 128 Mode fMode; |
127 DstColorType fDstColorType; | 129 DstColorType fDstColorType; |
128 float fScale; | 130 float fScale; |
129 }; | 131 }; |
130 | 132 |
133 // Allows for testing of various implementations of Android's BitmapRegionDecode r | |
134 class BRDSrc : public Src { | |
135 public: | |
136 enum Mode { | |
137 // Decode the entire image as one region. | |
138 kFullImage_Mode, | |
139 // Splits the image into multiple regions using a divisor and decodes th e regions | |
140 // separately. Also, this test adds a border of a few pixels to each of the regions | |
141 // that it is decoding. This tests the behavior when a client asks for a region that | |
142 // does not fully fit in the image. | |
143 kDivisor_Mode, | |
144 }; | |
145 | |
146 BRDSrc(Path, SkBitmapRegionDecoder::Strategy, Mode, CodecSrc::DstColorType, uint32_t); | |
147 | |
148 static float GetScale(uint32_t sampleSize) { return 1.0f / (float) sampleSiz e; } | |
149 | |
150 Error draw(SkCanvas*) const override; | |
151 SkISize size() const override; | |
152 Name name() const override; | |
153 bool veto(SinkFlags) const override; | |
154 private: | |
155 Path fPath; | |
156 SkBitmapRegionDecoder::Strategy fStrategy; | |
157 Mode fMode; | |
158 CodecSrc::DstColorType fDstColorType; | |
159 uint32_t fSampleSize; | |
160 }; | |
131 | 161 |
132 class ImageSrc : public Src { | 162 class ImageSrc : public Src { |
133 public: | 163 public: |
134 // divisor == 0 means decode the whole image | 164 // divisor == 0 means decode the whole image |
135 // divisor > 0 means decode in subsets, dividing into a divisor x divisor gr id. | 165 // divisor > 0 means decode in subsets, dividing into a divisor x divisor gr id. |
136 explicit ImageSrc(Path path, int divisor = 0); | 166 explicit ImageSrc(Path path, int divisor = 0); |
137 | 167 |
138 Error draw(SkCanvas*) const override; | 168 Error draw(SkCanvas*) const override; |
139 SkISize size() const override; | 169 SkISize size() const override; |
140 Name name() const override; | 170 Name name() const override; |
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310 | 340 |
311 class ViaTwice : public Via { | 341 class ViaTwice : public Via { |
312 public: | 342 public: |
313 explicit ViaTwice(Sink* sink) : Via(sink) {} | 343 explicit ViaTwice(Sink* sink) : Via(sink) {} |
314 Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override; | 344 Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override; |
315 }; | 345 }; |
316 | 346 |
317 } // namespace DM | 347 } // namespace DM |
318 | 348 |
319 #endif//DMSrcSink_DEFINED | 349 #endif//DMSrcSink_DEFINED |
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