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Side by Side Diff: samplecode/SampleLayers.cpp

Issue 161733002: add peekPixels to SkCanvas and SkSurface (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 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 "SkView.h" 9 #include "SkView.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
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35 paint->setShader(s)->unref(); 35 paint->setShader(s)->unref();
36 paint->setXfermodeMode(SkXfermode::kDstIn_Mode); 36 paint->setXfermodeMode(SkXfermode::kDstIn_Mode);
37 } 37 }
38 38
39 static void dump_layers(const char label[], SkCanvas* canvas) { 39 static void dump_layers(const char label[], SkCanvas* canvas) {
40 SkDebugf("Dump Layers(%s)\n", label); 40 SkDebugf("Dump Layers(%s)\n", label);
41 41
42 SkCanvas::LayerIter iter(canvas, true); 42 SkCanvas::LayerIter iter(canvas, true);
43 int index = 0; 43 int index = 0;
44 while (!iter.done()) { 44 while (!iter.done()) {
45 const SkBitmap& bm = iter.device()->accessBitmap(false); 45 SkImageInfo info = iter.device()->imageInfo();
46 const SkIRect& clip = iter.clip().getBounds(); 46 const SkIRect& clip = iter.clip().getBounds();
47 SkDebugf("Layer[%d] bitmap [%d %d] X=%d Y=%d clip=[%d %d %d %d] alpha=%d \n", index++, 47 SkDebugf("Layer[%d] bitmap [%d %d] X=%d Y=%d clip=[%d %d %d %d] alpha=%d \n", index++,
48 bm.width(), bm.height(), iter.x(), iter.y(), 48 info.width(), info.height(), iter.x(), iter.y(),
49 clip.fLeft, clip.fTop, clip.fRight, clip.fBottom, 49 clip.fLeft, clip.fTop, clip.fRight, clip.fBottom,
50 iter.paint().getAlpha()); 50 iter.paint().getAlpha());
51 iter.next(); 51 iter.next();
52 } 52 }
53 } 53 }
54 54
55 // test drawing with strips of fading gradient above and below 55 // test drawing with strips of fading gradient above and below
56 static void test_fade(SkCanvas* canvas) { 56 static void test_fade(SkCanvas* canvas) {
57 SkAutoCanvasRestore ar(canvas, true); 57 SkAutoCanvasRestore ar(canvas, true);
58 58
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266 } 266 }
267 267
268 private: 268 private:
269 typedef SkView INHERITED; 269 typedef SkView INHERITED;
270 }; 270 };
271 271
272 ////////////////////////////////////////////////////////////////////////////// 272 //////////////////////////////////////////////////////////////////////////////
273 273
274 static SkView* MyFactory() { return new LayersView; } 274 static SkView* MyFactory() { return new LayersView; }
275 static SkViewRegister reg(MyFactory); 275 static SkViewRegister reg(MyFactory);
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