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Side by Side Diff: sky/engine/platform/graphics/Pattern.cpp

Issue 922893002: Merge the Sky Engine changes from the SkyDart branch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved. 2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.
3 * Copyright (C) 2008 Eric Seidel <eric@webkit.org> 3 * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
4 * Copyright (C) 2013 Google, Inc. All rights reserved. 4 * Copyright (C) 2013 Google, Inc. All rights reserved.
5 * 5 *
6 * Redistribution and use in source and binary forms, with or without 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions 7 * modification, are permitted provided that the following conditions
8 * are met: 8 * are met:
9 * 1. Redistributions of source code must retain the above copyright 9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer. 10 * notice, this list of conditions and the following disclaimer.
(...skipping 12 matching lines...) Expand all
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */ 26 */
27 27
28 #include "sky/engine/config.h" 28 #include "sky/engine/config.h"
29 #include "sky/engine/platform/graphics/Pattern.h" 29 #include "sky/engine/platform/graphics/Pattern.h"
30 30
31 #include "sky/engine/platform/graphics/skia/SkiaUtils.h" 31 #include "sky/engine/platform/graphics/skia/SkiaUtils.h"
32 #include "third_party/skia/include/core/SkCanvas.h" 32 #include "third_party/skia/include/core/SkCanvas.h"
33 #include "v8/include/v8.h"
34 33
35 namespace blink { 34 namespace blink {
36 35
37 PassRefPtr<Pattern> Pattern::createBitmapPattern(PassRefPtr<Image> tileImage, Re peatMode repeatMode) 36 PassRefPtr<Pattern> Pattern::createBitmapPattern(PassRefPtr<Image> tileImage, Re peatMode repeatMode)
38 { 37 {
39 return adoptRef(new Pattern(tileImage, repeatMode)); 38 return adoptRef(new Pattern(tileImage, repeatMode));
40 } 39 }
41 40
42 Pattern::Pattern(PassRefPtr<Image> image, RepeatMode repeatMode) 41 Pattern::Pattern(PassRefPtr<Image> image, RepeatMode repeatMode)
43 : m_repeatMode(repeatMode) 42 : m_repeatMode(repeatMode)
44 , m_externalMemoryAllocated(0) 43 , m_externalMemoryAllocated(0)
45 { 44 {
46 if (image) { 45 if (image) {
47 m_tileImage = image->nativeImageForCurrentFrame(); 46 m_tileImage = image->nativeImageForCurrentFrame();
48 } 47 }
49 } 48 }
50 49
51 Pattern::~Pattern() 50 Pattern::~Pattern()
52 { 51 {
53 if (m_externalMemoryAllocated)
54 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-m_exte rnalMemoryAllocated);
55 } 52 }
56 53
57 SkShader* Pattern::shader() 54 SkShader* Pattern::shader()
58 { 55 {
59 if (m_pattern) 56 if (m_pattern)
60 return m_pattern.get(); 57 return m_pattern.get();
61 58
62 SkMatrix localMatrix = affineTransformToSkMatrix(m_patternSpaceTransformatio n); 59 SkMatrix localMatrix = affineTransformToSkMatrix(m_patternSpaceTransformatio n);
63 60
64 // If we don't have a bitmap, return a transparent shader. 61 // If we don't have a bitmap, return a transparent shader.
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94 SkBitmap bm2; 91 SkBitmap bm2;
95 bm2.allocPixels(info); 92 bm2.allocPixels(info);
96 bm2.eraseARGB(0x00, 0x00, 0x00, 0x00); 93 bm2.eraseARGB(0x00, 0x00, 0x00, 0x00);
97 SkCanvas canvas(bm2); 94 SkCanvas canvas(bm2);
98 canvas.drawBitmap(m_tileImage->bitmap(), 0, 0); 95 canvas.drawBitmap(m_tileImage->bitmap(), 0, 0);
99 bm2.setImmutable(); 96 bm2.setImmutable();
100 m_pattern = adoptRef(SkShader::CreateBitmapShader(bm2, tileModeX, tileMo deY, &localMatrix)); 97 m_pattern = adoptRef(SkShader::CreateBitmapShader(bm2, tileModeX, tileMo deY, &localMatrix));
101 98
102 // Clamp to int, since that's what the adjust function takes. 99 // Clamp to int, since that's what the adjust function takes.
103 m_externalMemoryAllocated = static_cast<int>(std::min(static_cast<size_t >(INT_MAX), bm2.getSafeSize())); 100 m_externalMemoryAllocated = static_cast<int>(std::min(static_cast<size_t >(INT_MAX), bm2.getSafeSize()));
104 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(m_exter nalMemoryAllocated);
105 } 101 }
106 return m_pattern.get(); 102 return m_pattern.get();
107 } 103 }
108 104
109 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransf ormation) 105 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransf ormation)
110 { 106 {
111 if (patternSpaceTransformation == m_patternSpaceTransformation) 107 if (patternSpaceTransformation == m_patternSpaceTransformation)
112 return; 108 return;
113 109
114 m_patternSpaceTransformation = patternSpaceTransformation; 110 m_patternSpaceTransformation = patternSpaceTransformation;
115 m_pattern.clear(); 111 m_pattern.clear();
116 } 112 }
117 113
118 } // namespace blink 114 } // namespace blink
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