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Side by Side Diff: samplecode/SampleDitherBitmap.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 /* 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"
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
93 virtual bool onQuery(SkEvent* evt) { 93 virtual bool onQuery(SkEvent* evt) {
94 if (SampleCode::TitleQ(*evt)) { 94 if (SampleCode::TitleQ(*evt)) {
95 SampleCode::TitleR(evt, "DitherBitmap"); 95 SampleCode::TitleR(evt, "DitherBitmap");
96 return true; 96 return true;
97 } 97 }
98 return this->INHERITED::onQuery(evt); 98 return this->INHERITED::onQuery(evt);
99 } 99 }
100 100
101 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) { 101 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) {
102 SkAutoLockPixels alp(*bm); // needed for ctable 102 SkAutoLockPixels alp(*bm); // needed for ctable
103 bm->setIsOpaque(isOpaque); 103 bm->setAlphaType(isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
104 #if 0 104 #if 0
105 SkColorTable* ctable = bm->getColorTable(); 105 SkColorTable* ctable = bm->getColorTable();
106 if (ctable) { 106 if (ctable) {
107 if (ctable->isOpaque() != isOpaque) { 107 if (ctable->isOpaque() != isOpaque) {
108 // how do we change a colortable? don't want to 108 // how do we change a colortable? don't want to
109 } 109 }
110 } 110 }
111 #endif 111 #endif
112 } 112 }
113 113
(...skipping 27 matching lines...) Expand all
141 } 141 }
142 142
143 private: 143 private:
144 typedef SampleView INHERITED; 144 typedef SampleView INHERITED;
145 }; 145 };
146 146
147 ////////////////////////////////////////////////////////////////////////////// 147 //////////////////////////////////////////////////////////////////////////////
148 148
149 static SkView* MyFactory() { return new DitherBitmapView; } 149 static SkView* MyFactory() { return new DitherBitmapView; }
150 static SkViewRegister reg(MyFactory); 150 static SkViewRegister reg(MyFactory);
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