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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 "SkImageFilter.h" | 8 #include "SkImageFilter.h" |
9 | 9 |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
11 #include "SkFlattenableBuffers.h" | 11 #include "SkFlattenableBuffers.h" |
12 #include "SkRect.h" | 12 #include "SkRect.h" |
13 #if SK_SUPPORT_GPU | 13 #if SK_SUPPORT_GPU |
14 #include "GrContext.h" | 14 #include "GrContext.h" |
15 #include "GrTexture.h" | 15 #include "GrTexture.h" |
16 #include "SkImageFilterUtils.h" | 16 #include "SkImageFilterUtils.h" |
17 #endif | 17 #endif |
18 | 18 |
19 SK_DEFINE_INST_COUNT(SkImageFilter) | 19 SK_DEFINE_INST_COUNT(SkImageFilter) |
20 | 20 |
21 SkImageFilter::SkImageFilter(int inputCount, SkImageFilter** inputs) | 21 SkImageFilter::SkImageFilter(int inputCount, SkImageFilter** inputs, const SkIRe
ct* cropRect) |
22 : fInputCount(inputCount), fInputs(new SkImageFilter*[inputCount]) { | 22 : fInputCount(inputCount), |
| 23 fInputs(new SkImageFilter*[inputCount]), |
| 24 fCropRect(cropRect ? *cropRect : SkIRect::MakeLargest()) { |
23 for (int i = 0; i < inputCount; ++i) { | 25 for (int i = 0; i < inputCount; ++i) { |
24 fInputs[i] = inputs[i]; | 26 fInputs[i] = inputs[i]; |
25 SkSafeRef(fInputs[i]); | 27 SkSafeRef(fInputs[i]); |
26 } | 28 } |
27 } | 29 } |
28 | 30 |
29 SkImageFilter::SkImageFilter(SkImageFilter* input) | 31 SkImageFilter::SkImageFilter(SkImageFilter* input, const SkIRect* cropRect) |
30 : fInputCount(1), fInputs(new SkImageFilter*[1]) { | 32 : fInputCount(1), |
| 33 fInputs(new SkImageFilter*[1]), |
| 34 fCropRect(cropRect ? *cropRect : SkIRect::MakeLargest()) { |
31 fInputs[0] = input; | 35 fInputs[0] = input; |
32 SkSafeRef(fInputs[0]); | 36 SkSafeRef(fInputs[0]); |
33 } | 37 } |
34 | 38 |
35 SkImageFilter::SkImageFilter(SkImageFilter* input1, SkImageFilter* input2) | 39 SkImageFilter::SkImageFilter(SkImageFilter* input1, SkImageFilter* input2, const
SkIRect* cropRect) |
36 : fInputCount(2), fInputs(new SkImageFilter*[2]) { | 40 : fInputCount(2), fInputs(new SkImageFilter*[2]), |
| 41 fCropRect(cropRect ? *cropRect : SkIRect::MakeLargest()) { |
37 fInputs[0] = input1; | 42 fInputs[0] = input1; |
38 fInputs[1] = input2; | 43 fInputs[1] = input2; |
39 SkSafeRef(fInputs[0]); | 44 SkSafeRef(fInputs[0]); |
40 SkSafeRef(fInputs[1]); | 45 SkSafeRef(fInputs[1]); |
41 } | 46 } |
42 | 47 |
43 SkImageFilter::~SkImageFilter() { | 48 SkImageFilter::~SkImageFilter() { |
44 for (int i = 0; i < fInputCount; i++) { | 49 for (int i = 0; i < fInputCount; i++) { |
45 SkSafeUnref(fInputs[i]); | 50 SkSafeUnref(fInputs[i]); |
46 } | 51 } |
47 delete[] fInputs; | 52 delete[] fInputs; |
48 } | 53 } |
49 | 54 |
50 SkImageFilter::SkImageFilter(SkFlattenableReadBuffer& buffer) | 55 SkImageFilter::SkImageFilter(SkFlattenableReadBuffer& buffer) |
51 : fInputCount(buffer.readInt()), fInputs(new SkImageFilter*[fInputCount]) { | 56 : fInputCount(buffer.readInt()), fInputs(new SkImageFilter*[fInputCount]) { |
52 for (int i = 0; i < fInputCount; i++) { | 57 for (int i = 0; i < fInputCount; i++) { |
53 if (buffer.readBool()) { | 58 if (buffer.readBool()) { |
54 fInputs[i] = static_cast<SkImageFilter*>(buffer.readFlattenable()); | 59 fInputs[i] = static_cast<SkImageFilter*>(buffer.readFlattenable()); |
55 } else { | 60 } else { |
56 fInputs[i] = NULL; | 61 fInputs[i] = NULL; |
57 } | 62 } |
58 } | 63 } |
| 64 buffer.readIRect(&fCropRect); |
59 } | 65 } |
60 | 66 |
61 void SkImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { | 67 void SkImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { |
62 buffer.writeInt(fInputCount); | 68 buffer.writeInt(fInputCount); |
63 for (int i = 0; i < fInputCount; i++) { | 69 for (int i = 0; i < fInputCount; i++) { |
64 SkImageFilter* input = getInput(i); | 70 SkImageFilter* input = getInput(i); |
65 buffer.writeBool(input != NULL); | 71 buffer.writeBool(input != NULL); |
66 if (input != NULL) { | 72 if (input != NULL) { |
67 buffer.writeFlattenable(input); | 73 buffer.writeFlattenable(input); |
68 } | 74 } |
69 } | 75 } |
| 76 buffer.writeIRect(fCropRect); |
70 } | 77 } |
71 | 78 |
72 bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src, | 79 bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src, |
73 const SkMatrix& ctm, | 80 const SkMatrix& ctm, |
74 SkBitmap* result, SkIPoint* loc) { | 81 SkBitmap* result, SkIPoint* loc) { |
75 SkASSERT(result); | 82 SkASSERT(result); |
76 SkASSERT(loc); | 83 SkASSERT(loc); |
77 /* | 84 /* |
78 * Give the proxy first shot at the filter. If it returns false, ask | 85 * Give the proxy first shot at the filter. If it returns false, ask |
79 * the filter to do it. | 86 * the filter to do it. |
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130 paint.addColorEffect(effect); | 137 paint.addColorEffect(effect); |
131 context->drawRect(paint, rect); | 138 context->drawRect(paint, rect); |
132 SkAutoTUnref<GrTexture> resultTex(dst.detach()); | 139 SkAutoTUnref<GrTexture> resultTex(dst.detach()); |
133 SkImageFilterUtils::WrapTexture(resultTex, input.width(), input.height(), re
sult); | 140 SkImageFilterUtils::WrapTexture(resultTex, input.width(), input.height(), re
sult); |
134 return true; | 141 return true; |
135 #else | 142 #else |
136 return false; | 143 return false; |
137 #endif | 144 #endif |
138 } | 145 } |
139 | 146 |
| 147 bool SkImageFilter::applyCropRect(SkIRect* rect) const { |
| 148 return rect->intersect(fCropRect); |
| 149 } |
| 150 |
140 bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, | 151 bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, |
141 SkIRect* dst) { | 152 SkIRect* dst) { |
142 *dst = src; | 153 *dst = src; |
143 return true; | 154 return true; |
144 } | 155 } |
145 | 156 |
146 bool SkImageFilter::asNewEffect(GrEffectRef**, GrTexture*) const { | 157 bool SkImageFilter::asNewEffect(GrEffectRef**, GrTexture*) const { |
147 return false; | 158 return false; |
148 } | 159 } |
149 | 160 |
150 bool SkImageFilter::asColorFilter(SkColorFilter**) const { | 161 bool SkImageFilter::asColorFilter(SkColorFilter**) const { |
151 return false; | 162 return false; |
152 } | 163 } |
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