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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkRectShaderImageFilter.h" | 8 #include "SkRectShaderImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkDevice.h" | 11 #include "SkDevice.h" |
12 #include "SkReadBuffer.h" | 12 #include "SkReadBuffer.h" |
13 #include "SkWriteBuffer.h" | 13 #include "SkWriteBuffer.h" |
14 #include "SkShader.h" | 14 #include "SkShader.h" |
15 | 15 |
16 SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const SkRe
ct& rect) { | 16 SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const SkRe
ct& rect) { |
17 SkASSERT(s); | 17 SkASSERT(s); |
18 uint32_t flags = CropRect::kHasAll_CropEdge; | 18 uint32_t flags = CropRect::kHasAll_CropEdge; |
19 if (rect.width() == 0 || rect.height() == 0) { | 19 if (rect.width() == 0 || rect.height() == 0) { |
20 flags = 0x0; | 20 flags = 0x0; |
21 } | 21 } |
22 CropRect cropRect(rect, flags); | 22 CropRect cropRect(rect, flags); |
23 return s ? new SkRectShaderImageFilter(s, &cropRect) : NULL; | 23 return s ? new SkRectShaderImageFilter(s, &cropRect) : nullptr; |
24 } | 24 } |
25 | 25 |
26 SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const Crop
Rect* cropRect) { | 26 SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const Crop
Rect* cropRect) { |
27 SkASSERT(s); | 27 SkASSERT(s); |
28 return s ? new SkRectShaderImageFilter(s, cropRect) : NULL; | 28 return s ? new SkRectShaderImageFilter(s, cropRect) : nullptr; |
29 } | 29 } |
30 | 30 |
31 SkRectShaderImageFilter::SkRectShaderImageFilter(SkShader* s, const CropRect* cr
opRect) | 31 SkRectShaderImageFilter::SkRectShaderImageFilter(SkShader* s, const CropRect* cr
opRect) |
32 : INHERITED(0, NULL, cropRect) | 32 : INHERITED(0, nullptr, cropRect) |
33 , fShader(SkRef(s)) { | 33 , fShader(SkRef(s)) { |
34 } | 34 } |
35 | 35 |
36 SkFlattenable* SkRectShaderImageFilter::CreateProc(SkReadBuffer& buffer) { | 36 SkFlattenable* SkRectShaderImageFilter::CreateProc(SkReadBuffer& buffer) { |
37 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0); | 37 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0); |
38 SkAutoTUnref<SkShader> shader(buffer.readShader()); | 38 SkAutoTUnref<SkShader> shader(buffer.readShader()); |
39 return Create(shader.get(), &common.cropRect()); | 39 return Create(shader.get(), &common.cropRect()); |
40 } | 40 } |
41 | 41 |
42 void SkRectShaderImageFilter::flatten(SkWriteBuffer& buffer) const { | 42 void SkRectShaderImageFilter::flatten(SkWriteBuffer& buffer) const { |
(...skipping 10 matching lines...) Expand all Loading... |
53 const Context& ctx, | 53 const Context& ctx, |
54 SkBitmap* result, | 54 SkBitmap* result, |
55 SkIPoint* offset) const { | 55 SkIPoint* offset) const { |
56 SkIRect bounds; | 56 SkIRect bounds; |
57 if (!this->applyCropRect(ctx, source, SkIPoint::Make(0, 0), &bounds)) { | 57 if (!this->applyCropRect(ctx, source, SkIPoint::Make(0, 0), &bounds)) { |
58 return false; | 58 return false; |
59 } | 59 } |
60 | 60 |
61 SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), | 61 SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), |
62 bounds.height())); | 62 bounds.height())); |
63 if (NULL == device.get()) { | 63 if (nullptr == device.get()) { |
64 return false; | 64 return false; |
65 } | 65 } |
66 SkCanvas canvas(device.get()); | 66 SkCanvas canvas(device.get()); |
67 | 67 |
68 SkPaint paint; | 68 SkPaint paint; |
69 SkMatrix matrix(ctx.ctm()); | 69 SkMatrix matrix(ctx.ctm()); |
70 matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.to
p())); | 70 matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.to
p())); |
71 SkSafeUnref(paint.setShader(SkShader::CreateLocalMatrixShader(fShader, matri
x))); | 71 SkSafeUnref(paint.setShader(SkShader::CreateLocalMatrixShader(fShader, matri
x))); |
72 | 72 |
73 SkRect rect = SkRect::MakeWH(SkIntToScalar(bounds.width()), SkIntToScalar(bo
unds.height())); | 73 SkRect rect = SkRect::MakeWH(SkIntToScalar(bounds.width()), SkIntToScalar(bo
unds.height())); |
74 canvas.drawRect(rect, paint); | 74 canvas.drawRect(rect, paint); |
75 | 75 |
76 *result = device.get()->accessBitmap(false); | 76 *result = device.get()->accessBitmap(false); |
77 offset->fX = bounds.fLeft; | 77 offset->fX = bounds.fLeft; |
78 offset->fY = bounds.fTop; | 78 offset->fY = bounds.fTop; |
79 return true; | 79 return true; |
80 } | 80 } |
81 | 81 |
82 bool SkRectShaderImageFilter::affectsTransparentBlack() const { | 82 bool SkRectShaderImageFilter::affectsTransparentBlack() const { |
83 return true; | 83 return true; |
84 } | 84 } |
85 | 85 |
86 #ifndef SK_IGNORE_TO_STRING | 86 #ifndef SK_IGNORE_TO_STRING |
87 void SkRectShaderImageFilter::toString(SkString* str) const { | 87 void SkRectShaderImageFilter::toString(SkString* str) const { |
88 str->appendf("SkRectShaderImageFilter: ("); | 88 str->appendf("SkRectShaderImageFilter: ("); |
89 str->append(")"); | 89 str->append(")"); |
90 } | 90 } |
91 #endif | 91 #endif |
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