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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 "SkOffsetImageFilter.h" | 8 #include "SkOffsetImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
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59 } | 59 } |
60 return true; | 60 return true; |
61 } | 61 } |
62 | 62 |
63 void SkOffsetImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) cons
t { | 63 void SkOffsetImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) cons
t { |
64 if (getInput(0)) { | 64 if (getInput(0)) { |
65 getInput(0)->computeFastBounds(src, dst); | 65 getInput(0)->computeFastBounds(src, dst); |
66 } else { | 66 } else { |
67 *dst = src; | 67 *dst = src; |
68 } | 68 } |
69 #ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS | |
70 SkRect copy = *dst; | |
71 #endif | |
72 dst->offset(fOffset.fX, fOffset.fY); | 69 dst->offset(fOffset.fX, fOffset.fY); |
73 #ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS | |
74 dst->join(copy); | |
75 #endif | |
76 } | 70 } |
77 | 71 |
78 void SkOffsetImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix&
ctm, | 72 void SkOffsetImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix&
ctm, |
79 SkIRect* dst, MapDirection directio
n) const { | 73 SkIRect* dst, MapDirection directio
n) const { |
80 SkVector vec; | 74 SkVector vec; |
81 ctm.mapVectors(&vec, &fOffset, 1); | 75 ctm.mapVectors(&vec, &fOffset, 1); |
82 if (kReverse_MapDirection == direction) { | 76 if (kReverse_MapDirection == direction) { |
83 vec.negate(); | 77 vec.negate(); |
84 } | 78 } |
85 | 79 |
86 *dst = src; | 80 *dst = src; |
87 dst->offset(SkScalarCeilToInt(vec.fX), SkScalarCeilToInt(vec.fY)); | 81 dst->offset(SkScalarCeilToInt(vec.fX), SkScalarCeilToInt(vec.fY)); |
88 #ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS | |
89 dst->join(src); | |
90 #endif | |
91 } | 82 } |
92 | 83 |
93 SkFlattenable* SkOffsetImageFilter::CreateProc(SkReadBuffer& buffer) { | 84 SkFlattenable* SkOffsetImageFilter::CreateProc(SkReadBuffer& buffer) { |
94 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | 85 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
95 SkPoint offset; | 86 SkPoint offset; |
96 buffer.readPoint(&offset); | 87 buffer.readPoint(&offset); |
97 return Create(offset.x(), offset.y(), common.getInput(0), &common.cropRect()
); | 88 return Create(offset.x(), offset.y(), common.getInput(0), &common.cropRect()
); |
98 } | 89 } |
99 | 90 |
100 void SkOffsetImageFilter::flatten(SkWriteBuffer& buffer) const { | 91 void SkOffsetImageFilter::flatten(SkWriteBuffer& buffer) const { |
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112 void SkOffsetImageFilter::toString(SkString* str) const { | 103 void SkOffsetImageFilter::toString(SkString* str) const { |
113 str->appendf("SkOffsetImageFilter: ("); | 104 str->appendf("SkOffsetImageFilter: ("); |
114 str->appendf("offset: (%f, %f) ", fOffset.fX, fOffset.fY); | 105 str->appendf("offset: (%f, %f) ", fOffset.fX, fOffset.fY); |
115 str->append("input: ("); | 106 str->append("input: ("); |
116 if (this->getInput(0)) { | 107 if (this->getInput(0)) { |
117 this->getInput(0)->toString(str); | 108 this->getInput(0)->toString(str); |
118 } | 109 } |
119 str->append("))"); | 110 str->append("))"); |
120 } | 111 } |
121 #endif | 112 #endif |
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