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1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
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 "SkMergeImageFilter.h" | 8 #include "SkMergeImageFilter.h" |
9 | 9 |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
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50 this->initModes(modes); | 50 this->initModes(modes); |
51 } | 51 } |
52 | 52 |
53 SkMergeImageFilter::~SkMergeImageFilter() { | 53 SkMergeImageFilter::~SkMergeImageFilter() { |
54 | 54 |
55 if (fModes != SkTCast<uint8_t*>(fStorage)) { | 55 if (fModes != SkTCast<uint8_t*>(fStorage)) { |
56 sk_free(fModes); | 56 sk_free(fModes); |
57 } | 57 } |
58 } | 58 } |
59 | 59 |
60 SkSpecialImage* SkMergeImageFilter::onFilterImage(SkSpecialImage* source, const
Context& ctx, | 60 sk_sp<SkSpecialImage> SkMergeImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx, |
61 SkIPoint* offset) const { | 61 SkIPoint* offset) const
{ |
62 int inputCount = this->countInputs(); | 62 int inputCount = this->countInputs(); |
63 if (inputCount < 1) { | 63 if (inputCount < 1) { |
64 return nullptr; | 64 return nullptr; |
65 } | 65 } |
66 | 66 |
67 SkIRect bounds; | 67 SkIRect bounds; |
68 bounds.setEmpty(); | 68 bounds.setEmpty(); |
69 | 69 |
70 SkAutoTDeleteArray<SkAutoTUnref<SkSpecialImage>> inputs( | 70 SkAutoTDeleteArray<sk_sp<SkSpecialImage>> inputs(new sk_sp<SkSpecialImage>[i
nputCount]); |
71 new SkAutoTUnref<SkSpecialIm
age>[inputCount]); | |
72 SkAutoTDeleteArray<SkIPoint> offsets(new SkIPoint[inputCount]); | 71 SkAutoTDeleteArray<SkIPoint> offsets(new SkIPoint[inputCount]); |
73 | 72 |
74 // Filter all of the inputs. | 73 // Filter all of the inputs. |
75 for (int i = 0; i < inputCount; ++i) { | 74 for (int i = 0; i < inputCount; ++i) { |
76 offsets[i].setZero(); | 75 offsets[i].setZero(); |
77 inputs[i].reset(this->filterInput(i, source, ctx, &offsets[i])); | 76 inputs[i] = this->filterInput(i, source, ctx, &offsets[i]); |
78 if (!inputs[i]) { | 77 if (!inputs[i]) { |
79 continue; | 78 continue; |
80 } | 79 } |
81 const SkIRect inputBounds = SkIRect::MakeXYWH(offsets[i].fX, offsets[i].
fY, | 80 const SkIRect inputBounds = SkIRect::MakeXYWH(offsets[i].fX, offsets[i].
fY, |
82 inputs[i]->width(), inputs
[i]->height()); | 81 inputs[i]->width(), inputs
[i]->height()); |
83 bounds.join(inputBounds); | 82 bounds.join(inputBounds); |
84 } | 83 } |
85 if (bounds.isEmpty()) { | 84 if (bounds.isEmpty()) { |
86 return nullptr; | 85 return nullptr; |
87 } | 86 } |
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119 paint.setXfermodeMode((SkXfermode::Mode)fModes[i]); | 118 paint.setXfermodeMode((SkXfermode::Mode)fModes[i]); |
120 } | 119 } |
121 | 120 |
122 inputs[i]->draw(canvas, | 121 inputs[i]->draw(canvas, |
123 SkIntToScalar(offsets[i].x() - x0), SkIntToScalar(offset
s[i].y() - y0), | 122 SkIntToScalar(offsets[i].x() - x0), SkIntToScalar(offset
s[i].y() - y0), |
124 &paint); | 123 &paint); |
125 } | 124 } |
126 | 125 |
127 offset->fX = bounds.left(); | 126 offset->fX = bounds.left(); |
128 offset->fY = bounds.top(); | 127 offset->fY = bounds.top(); |
129 return surf->makeImageSnapshot().release(); | 128 return surf->makeImageSnapshot(); |
130 } | 129 } |
131 | 130 |
132 SkFlattenable* SkMergeImageFilter::CreateProc(SkReadBuffer& buffer) { | 131 SkFlattenable* SkMergeImageFilter::CreateProc(SkReadBuffer& buffer) { |
133 Common common; | 132 Common common; |
134 if (!common.unflatten(buffer, -1)) { | 133 if (!common.unflatten(buffer, -1)) { |
135 return nullptr; | 134 return nullptr; |
136 } | 135 } |
137 | 136 |
138 const int count = common.inputCount(); | 137 const int count = common.inputCount(); |
139 bool hasModes = buffer.readBool(); | 138 bool hasModes = buffer.readBool(); |
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170 for (int i = 0; i < this->countInputs(); ++i) { | 169 for (int i = 0; i < this->countInputs(); ++i) { |
171 SkImageFilter* filter = this->getInput(i); | 170 SkImageFilter* filter = this->getInput(i); |
172 str->appendf("%d: (", i); | 171 str->appendf("%d: (", i); |
173 filter->toString(str); | 172 filter->toString(str); |
174 str->appendf(")"); | 173 str->appendf(")"); |
175 } | 174 } |
176 | 175 |
177 str->append(")"); | 176 str->append(")"); |
178 } | 177 } |
179 #endif | 178 #endif |
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