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Side by Side Diff: gm/bleed.cpp

Issue 25275004: store SkAlphaType inside SkBitmap, on road to support unpremul (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 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 "gm.h" 8 #include "gm.h"
9 #include "SkBlurMask.h" 9 #include "SkBlurMask.h"
10 #include "SkBlurMaskFilter.h" 10 #include "SkBlurMaskFilter.h"
11 #include "SkCanvas.h" 11 #include "SkCanvas.h"
12 12
13 #if SK_SUPPORT_GPU 13 #if SK_SUPPORT_GPU
14 #include "GrContext.h" 14 #include "GrContext.h"
15 #endif 15 #endif
16 16
17 // Create a black&white checked texture with a 1-pixel red ring 17 // Create a black&white checked texture with a 1-pixel red ring
18 // around the outside edge 18 // around the outside edge
19 static void make_red_ringed_bitmap(SkBitmap* result, int width, int height) { 19 static void make_red_ringed_bitmap(SkBitmap* result, int width, int height) {
20 SkASSERT(0 == width % 2 && 0 == width % 2); 20 SkASSERT(0 == width % 2 && 0 == width % 2);
21 21
22 result->setConfig(SkBitmap::kARGB_8888_Config, width, height); 22 result->setConfig(SkBitmap::kARGB_8888_Config, width, height, 0,
23 kOpaque_SkAlphaType);
23 result->allocPixels(); 24 result->allocPixels();
24 SkAutoLockPixels lock(*result); 25 SkAutoLockPixels lock(*result);
25 26
26 SkPMColor* scanline = result->getAddr32(0, 0); 27 SkPMColor* scanline = result->getAddr32(0, 0);
27 for (int x = 0; x < width; ++x) { 28 for (int x = 0; x < width; ++x) {
28 scanline[x] = SK_ColorRED; 29 scanline[x] = SK_ColorRED;
29 } 30 }
30 31
31 for (int y = 1; y < height/2; ++y) { 32 for (int y = 1; y < height/2; ++y) {
32 scanline = result->getAddr32(0, y); 33 scanline = result->getAddr32(0, y);
(...skipping 16 matching lines...) Expand all
49 for (int x = width/2; x < width-1; ++x) { 50 for (int x = width/2; x < width-1; ++x) {
50 scanline[x] = SK_ColorBLACK; 51 scanline[x] = SK_ColorBLACK;
51 } 52 }
52 scanline[width-1] = SK_ColorRED; 53 scanline[width-1] = SK_ColorRED;
53 } 54 }
54 55
55 scanline = result->getAddr32(0, height-1); 56 scanline = result->getAddr32(0, height-1);
56 for (int x = 0; x < width; ++x) { 57 for (int x = 0; x < width; ++x) {
57 scanline[x] = SK_ColorRED; 58 scanline[x] = SK_ColorRED;
58 } 59 }
59 result->setIsOpaque(true);
60 result->setImmutable(); 60 result->setImmutable();
61 } 61 }
62 62
63 // This GM exercises the drawBitmapRectToRect "bleed" flag 63 // This GM exercises the drawBitmapRectToRect "bleed" flag
64 class BleedGM : public skiagm::GM { 64 class BleedGM : public skiagm::GM {
65 public: 65 public:
66 BleedGM() {} 66 BleedGM() {}
67 67
68 protected: 68 protected:
69 virtual SkString onShortName() SK_OVERRIDE { 69 virtual SkString onShortName() SK_OVERRIDE {
(...skipping 148 matching lines...) Expand 10 before | Expand all | Expand 10 after
218 static const int kSmallTextureSize = 4; 218 static const int kSmallTextureSize = 4;
219 static const int kMaxTextureSize = 32; 219 static const int kMaxTextureSize = 32;
220 220
221 SkBitmap fBitmapSmall; 221 SkBitmap fBitmapSmall;
222 SkBitmap fBitmapBig; 222 SkBitmap fBitmapBig;
223 223
224 typedef GM INHERITED; 224 typedef GM INHERITED;
225 }; 225 };
226 226
227 DEF_GM( return new BleedGM(); ) 227 DEF_GM( return new BleedGM(); )
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