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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #include "SampleCode.h" | 8 #include "SampleCode.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
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47 path.close(); | 47 path.close(); |
48 | 48 |
49 SkIRect bounds; | 49 SkIRect bounds; |
50 path.getBounds().round(&bounds); | 50 path.getBounds().round(&bounds); |
51 SkRegion clip(bounds); | 51 SkRegion clip(bounds); |
52 bool result = region.setPath(path, clip); // <-- !! DOWN !! | 52 bool result = region.setPath(path, clip); // <-- !! DOWN !! |
53 SkDebugf("----- result %d\n", result); | 53 SkDebugf("----- result %d\n", result); |
54 } | 54 } |
55 | 55 |
56 static SkBitmap make_bitmap() { | 56 static SkBitmap make_bitmap() { |
57 SkPMColor c[256]; | 57 SkBitmap bm; |
| 58 SkColorTable* ctable = new SkColorTable(256); |
| 59 |
| 60 SkPMColor* c = ctable->lockColors(); |
58 for (int i = 0; i < 256; i++) { | 61 for (int i = 0; i < 256; i++) { |
59 c[i] = SkPackARGB32(0xFF, i, 0, 0); | 62 c[i] = SkPackARGB32(0xFF, i, 0, 0); |
60 } | 63 } |
61 SkColorTable* ctable = new SkColorTable(c, 256, kOpaque_SkAlphaType); | 64 ctable->unlockColors(true); |
62 | |
63 SkBitmap bm; | |
64 bm.setConfig(SkBitmap::kIndex8_Config, 256, 32); | 65 bm.setConfig(SkBitmap::kIndex8_Config, 256, 32); |
65 bm.allocPixels(ctable); | 66 bm.allocPixels(ctable); |
66 ctable->unref(); | 67 ctable->unref(); |
67 | 68 |
68 bm.lockPixels(); | 69 bm.lockPixels(); |
69 for (int y = 0; y < bm.height(); y++) { | 70 for (int y = 0; y < bm.height(); y++) { |
70 uint8_t* p = bm.getAddr8(0, y); | 71 uint8_t* p = bm.getAddr8(0, y); |
71 for (int x = 0; x < 256; x++) { | 72 for (int x = 0; x < 256; x++) { |
72 p[x] = x; | 73 p[x] = x; |
73 } | 74 } |
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94 if (SampleCode::TitleQ(*evt)) { | 95 if (SampleCode::TitleQ(*evt)) { |
95 SampleCode::TitleR(evt, "DitherBitmap"); | 96 SampleCode::TitleR(evt, "DitherBitmap"); |
96 return true; | 97 return true; |
97 } | 98 } |
98 return this->INHERITED::onQuery(evt); | 99 return this->INHERITED::onQuery(evt); |
99 } | 100 } |
100 | 101 |
101 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) { | 102 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) { |
102 SkAutoLockPixels alp(*bm); // needed for ctable | 103 SkAutoLockPixels alp(*bm); // needed for ctable |
103 bm->setIsOpaque(isOpaque); | 104 bm->setIsOpaque(isOpaque); |
104 #if 0 | |
105 SkColorTable* ctable = bm->getColorTable(); | 105 SkColorTable* ctable = bm->getColorTable(); |
106 if (ctable) { | 106 if (ctable) { |
107 if (ctable->isOpaque() != isOpaque) { | 107 ctable->setIsOpaque(isOpaque); |
108 // how do we change a colortable? don't want to | |
109 } | |
110 } | 108 } |
111 #endif | |
112 } | 109 } |
113 | 110 |
114 static void draw2(SkCanvas* canvas, const SkBitmap& bm) { | 111 static void draw2(SkCanvas* canvas, const SkBitmap& bm) { |
115 SkPaint paint; | 112 SkPaint paint; |
116 SkBitmap bitmap(bm); | 113 SkBitmap bitmap(bm); |
117 | 114 |
118 setBitmapOpaque(&bitmap, false); | 115 setBitmapOpaque(&bitmap, false); |
119 paint.setDither(false); | 116 paint.setDither(false); |
120 canvas->drawBitmap(bitmap, 0, 0, &paint); | 117 canvas->drawBitmap(bitmap, 0, 0, &paint); |
121 paint.setDither(true); | 118 paint.setDither(true); |
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141 } | 138 } |
142 | 139 |
143 private: | 140 private: |
144 typedef SampleView INHERITED; | 141 typedef SampleView INHERITED; |
145 }; | 142 }; |
146 | 143 |
147 ////////////////////////////////////////////////////////////////////////////// | 144 ////////////////////////////////////////////////////////////////////////////// |
148 | 145 |
149 static SkView* MyFactory() { return new DitherBitmapView; } | 146 static SkView* MyFactory() { return new DitherBitmapView; } |
150 static SkViewRegister reg(MyFactory); | 147 static SkViewRegister reg(MyFactory); |
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