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Side by Side Diff: samplecode/SampleTinyBitmap.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 "SkShader.h" 10 #include "SkShader.h"
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
50 virtual bool onQuery(SkEvent* evt) { 50 virtual bool onQuery(SkEvent* evt) {
51 if (SampleCode::TitleQ(*evt)) { 51 if (SampleCode::TitleQ(*evt)) {
52 SampleCode::TitleR(evt, "TinyBitmap"); 52 SampleCode::TitleR(evt, "TinyBitmap");
53 return true; 53 return true;
54 } 54 }
55 return this->INHERITED::onQuery(evt); 55 return this->INHERITED::onQuery(evt);
56 } 56 }
57 57
58 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) { 58 static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) {
59 SkAutoLockPixels alp(*bm); // needed for ctable 59 SkAutoLockPixels alp(*bm); // needed for ctable
60 bm->setIsOpaque(isOpaque); 60 bm->setAlphaType(isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
61 #if 0 61 #if 0
62 // TODO - I think we just want to not allow this anymore
63 SkColorTable* ctable = bm->getColorTable(); 62 SkColorTable* ctable = bm->getColorTable();
64 if (ctable) { 63 if (ctable) {
65 ctable->setIsOpaque(isOpaque); 64 ctable->setIsOpaque(isOpaque);
66 } 65 }
67 #endif 66 #endif
68 } 67 }
69 68
70 virtual void onDrawContent(SkCanvas* canvas) { 69 virtual void onDrawContent(SkCanvas* canvas) {
71 SkShader* s = SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMo de, 70 SkShader* s = SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMo de,
72 SkShader::kMirror_TileMode); 71 SkShader::kMirror_TileMode);
73 SkPaint paint; 72 SkPaint paint;
74 paint.setShader(s)->unref(); 73 paint.setShader(s)->unref();
75 canvas->drawPaint(paint); 74 canvas->drawPaint(paint);
76 } 75 }
77 76
78 private: 77 private:
79 typedef SkView INHERITED; 78 typedef SkView INHERITED;
80 }; 79 };
81 80
82 ////////////////////////////////////////////////////////////////////////////// 81 //////////////////////////////////////////////////////////////////////////////
83 82
84 static SkView* MyFactory() { return new TinyBitmapView; } 83 static SkView* MyFactory() { return new TinyBitmapView; }
85 static SkViewRegister reg(MyFactory); 84 static SkViewRegister reg(MyFactory);
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