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Side by Side Diff: bench/subset/SubsetTranslateBench.cpp

Issue 1230033004: Allow creating multiple scanline decoders. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Progressive scanline decoder needs to handle rewind on first call. Created 5 years, 5 months ago
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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 #include "SubsetTranslateBench.h" 8 #include "SubsetTranslateBench.h"
9 #include "SubsetBenchPriv.h" 9 #include "SubsetBenchPriv.h"
10 #include "SkData.h" 10 #include "SkData.h"
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56 void SubsetTranslateBench::onDraw(const int n, SkCanvas* canvas) { 56 void SubsetTranslateBench::onDraw(const int n, SkCanvas* canvas) {
57 // When the color type is kIndex8, we will need to store the color table. I f it is 57 // When the color type is kIndex8, we will need to store the color table. I f it is
58 // used, it will be initialized by the codec. 58 // used, it will be initialized by the codec.
59 int colorCount; 59 int colorCount;
60 SkPMColor colors[256]; 60 SkPMColor colors[256];
61 if (fUseCodec) { 61 if (fUseCodec) {
62 for (int count = 0; count < n; count++) { 62 for (int count = 0; count < n; count++) {
63 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(fStream->duplica te())); 63 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(fStream->duplica te()));
64 const SkImageInfo info = codec->getInfo().makeColorType(fColorType); 64 const SkImageInfo info = codec->getInfo().makeColorType(fColorType);
65 SkAutoTDeleteArray<uint8_t> row(SkNEW_ARRAY(uint8_t, info.minRowByte s())); 65 SkAutoTDeleteArray<uint8_t> row(SkNEW_ARRAY(uint8_t, info.minRowByte s()));
66 SkScanlineDecoder* scanlineDecoder = codec->getScanlineDecoder( 66 SkAutoTDelete<SkScanlineDecoder> scanlineDecoder(codec->getScanlineD ecoder(
67 info, NULL, colors, &colorCount); 67 info, NULL, colors, &colorCount));
68 68
69 SkBitmap bitmap; 69 SkBitmap bitmap;
70 // Note that we use the same bitmap for all of the subsets. 70 // Note that we use the same bitmap for all of the subsets.
71 // It might be larger than necessary for the end subsets. 71 // It might be larger than necessary for the end subsets.
72 SkImageInfo subsetInfo = info.makeWH(fSubsetWidth, fSubsetHeight); 72 SkImageInfo subsetInfo = info.makeWH(fSubsetWidth, fSubsetHeight);
73 alloc_pixels(&bitmap, subsetInfo, colors, colorCount); 73 alloc_pixels(&bitmap, subsetInfo, colors, colorCount);
74 74
75 for (int x = 0; x < info.width(); x += fSubsetWidth) { 75 for (int x = 0; x < info.width(); x += fSubsetWidth) {
76 for (int y = 0; y < info.height(); y += fSubsetHeight) { 76 for (int y = 0; y < info.height(); y += fSubsetHeight) {
77 scanlineDecoder->skipScanlines(y); 77 scanlineDecoder->skipScanlines(y);
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117 const uint32_t currSubsetHeight = y + (int) fSubsetHeight > height ? 117 const uint32_t currSubsetHeight = y + (int) fSubsetHeight > height ?
118 height - y : fSubsetHeight; 118 height - y : fSubsetHeight;
119 SkIRect rect = SkIRect::MakeXYWH(x, y, currSubsetWidth, 119 SkIRect rect = SkIRect::MakeXYWH(x, y, currSubsetWidth,
120 currSubsetHeight); 120 currSubsetHeight);
121 decoder->decodeSubset(&bitmap, rect, fColorType); 121 decoder->decodeSubset(&bitmap, rect, fColorType);
122 } 122 }
123 } 123 }
124 } 124 }
125 } 125 }
126 } 126 }
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