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1 /* | 1 /* |
2 * Copyright 2014 The Android Open Source Project | 2 * Copyright 2014 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 "SkMatrixImageFilter.h" | 8 #include "SkMatrixImageFilter.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 "SkColorPriv.h" | 12 #include "SkColorPriv.h" |
13 #include "SkReadBuffer.h" | 13 #include "SkReadBuffer.h" |
14 #include "SkWriteBuffer.h" | 14 #include "SkWriteBuffer.h" |
15 #include "SkMatrix.h" | 15 #include "SkMatrix.h" |
16 #include "SkRect.h" | 16 #include "SkRect.h" |
17 | 17 |
18 SkMatrixImageFilter::SkMatrixImageFilter(const SkMatrix& transform, | 18 SkMatrixImageFilter::SkMatrixImageFilter(const SkMatrix& transform, |
19 SkPaint::FilterLevel filterLevel, | 19 SkFilterQuality filterQuality, |
20 SkImageFilter* input, | 20 SkImageFilter* input, |
21 uint32_t uniqueID) | 21 uint32_t uniqueID) |
22 : INHERITED(1, &input, NULL, uniqueID), | 22 : INHERITED(1, &input, NULL, uniqueID), |
23 fTransform(transform), | 23 fTransform(transform), |
24 fFilterLevel(filterLevel) { | 24 fFilterQuality(filterQuality) { |
25 } | 25 } |
26 | 26 |
27 SkMatrixImageFilter* SkMatrixImageFilter::Create(const SkMatrix& transform, | 27 SkMatrixImageFilter* SkMatrixImageFilter::Create(const SkMatrix& transform, |
28 SkPaint::FilterLevel filterLeve
l, | 28 SkFilterQuality filterQuality, |
29 SkImageFilter* input, | 29 SkImageFilter* input, |
30 uint32_t uniqueID) { | 30 uint32_t uniqueID) { |
31 return SkNEW_ARGS(SkMatrixImageFilter, (transform, filterLevel, input, uniqu
eID)); | 31 return SkNEW_ARGS(SkMatrixImageFilter, (transform, filterQuality, input, uni
queID)); |
32 } | 32 } |
33 | 33 |
34 SkFlattenable* SkMatrixImageFilter::CreateProc(SkReadBuffer& buffer) { | 34 SkFlattenable* SkMatrixImageFilter::CreateProc(SkReadBuffer& buffer) { |
35 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | 35 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
36 SkMatrix matrix; | 36 SkMatrix matrix; |
37 buffer.readMatrix(&matrix); | 37 buffer.readMatrix(&matrix); |
38 SkPaint::FilterLevel level = static_cast<SkPaint::FilterLevel>(buffer.readIn
t()); | 38 SkFilterQuality quality = static_cast<SkFilterQuality>(buffer.readInt()); |
39 return Create(matrix, level, common.getInput(0), common.uniqueID()); | 39 return Create(matrix, quality, common.getInput(0), common.uniqueID()); |
40 } | 40 } |
41 | 41 |
42 void SkMatrixImageFilter::flatten(SkWriteBuffer& buffer) const { | 42 void SkMatrixImageFilter::flatten(SkWriteBuffer& buffer) const { |
43 this->INHERITED::flatten(buffer); | 43 this->INHERITED::flatten(buffer); |
44 buffer.writeMatrix(fTransform); | 44 buffer.writeMatrix(fTransform); |
45 buffer.writeInt(fFilterLevel); | 45 buffer.writeInt(fFilterQuality); |
46 } | 46 } |
47 | 47 |
48 SkMatrixImageFilter::~SkMatrixImageFilter() { | 48 SkMatrixImageFilter::~SkMatrixImageFilter() { |
49 } | 49 } |
50 | 50 |
51 bool SkMatrixImageFilter::onFilterImage(Proxy* proxy, | 51 bool SkMatrixImageFilter::onFilterImage(Proxy* proxy, |
52 const SkBitmap& source, | 52 const SkBitmap& source, |
53 const Context& ctx, | 53 const Context& ctx, |
54 SkBitmap* result, | 54 SkBitmap* result, |
55 SkIPoint* offset) const { | 55 SkIPoint* offset) const { |
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77 if (NULL == device.get()) { | 77 if (NULL == device.get()) { |
78 return false; | 78 return false; |
79 } | 79 } |
80 | 80 |
81 SkCanvas canvas(device.get()); | 81 SkCanvas canvas(device.get()); |
82 canvas.translate(-SkIntToScalar(dstBounds.x()), -SkIntToScalar(dstBounds.y()
)); | 82 canvas.translate(-SkIntToScalar(dstBounds.x()), -SkIntToScalar(dstBounds.y()
)); |
83 canvas.concat(matrix); | 83 canvas.concat(matrix); |
84 SkPaint paint; | 84 SkPaint paint; |
85 | 85 |
86 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 86 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
87 paint.setFilterLevel(fFilterLevel); | 87 paint.setFilterQuality(fFilterQuality); |
88 canvas.drawBitmap(src, srcRect.x(), srcRect.y(), &paint); | 88 canvas.drawBitmap(src, srcRect.x(), srcRect.y(), &paint); |
89 | 89 |
90 *result = device.get()->accessBitmap(false); | 90 *result = device.get()->accessBitmap(false); |
91 offset->fX = dstBounds.fLeft; | 91 offset->fX = dstBounds.fLeft; |
92 offset->fY = dstBounds.fTop; | 92 offset->fY = dstBounds.fTop; |
93 return true; | 93 return true; |
94 } | 94 } |
95 | 95 |
96 void SkMatrixImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) cons
t { | 96 void SkMatrixImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) cons
t { |
97 SkRect bounds = src; | 97 SkRect bounds = src; |
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135 fTransform[SkMatrix::kMTransX], | 135 fTransform[SkMatrix::kMTransX], |
136 fTransform[SkMatrix::kMSkewY], | 136 fTransform[SkMatrix::kMSkewY], |
137 fTransform[SkMatrix::kMScaleY], | 137 fTransform[SkMatrix::kMScaleY], |
138 fTransform[SkMatrix::kMTransY], | 138 fTransform[SkMatrix::kMTransY], |
139 fTransform[SkMatrix::kMPersp0], | 139 fTransform[SkMatrix::kMPersp0], |
140 fTransform[SkMatrix::kMPersp1], | 140 fTransform[SkMatrix::kMPersp1], |
141 fTransform[SkMatrix::kMPersp2]); | 141 fTransform[SkMatrix::kMPersp2]); |
142 | 142 |
143 str->append("<dt>FilterLevel:</dt><dd>"); | 143 str->append("<dt>FilterLevel:</dt><dd>"); |
144 static const char* gFilterLevelStrings[] = { "None", "Low", "Medium", "High"
}; | 144 static const char* gFilterLevelStrings[] = { "None", "Low", "Medium", "High"
}; |
145 str->append(gFilterLevelStrings[fFilterLevel]); | 145 str->append(gFilterLevelStrings[fFilterQuality]); |
146 str->append("</dd>"); | 146 str->append("</dd>"); |
147 | 147 |
148 str->appendf(")"); | 148 str->appendf(")"); |
149 } | 149 } |
150 #endif | 150 #endif |
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