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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 "SkTileImageFilter.h" | 8 #include "SkTileImageFilter.h" |
9 | 9 |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
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48 return nullptr; | 48 return nullptr; |
49 } | 49 } |
50 | 50 |
51 SkRect dstRect; | 51 SkRect dstRect; |
52 ctx.ctm().mapRect(&dstRect, fDstRect); | 52 ctx.ctm().mapRect(&dstRect, fDstRect); |
53 if (!dstRect.intersect(SkRect::Make(ctx.clipBounds()))) { | 53 if (!dstRect.intersect(SkRect::Make(ctx.clipBounds()))) { |
54 return nullptr; | 54 return nullptr; |
55 } | 55 } |
56 | 56 |
57 const SkIRect dstIRect = dstRect.roundOut(); | 57 const SkIRect dstIRect = dstRect.roundOut(); |
58 if (!fSrcRect.width() || !fSrcRect.height() || !dstIRect.width() || !dstIRec
t.height()) { | 58 int dstWidth = dstIRect.width(); |
| 59 int dstHeight = dstIRect.height(); |
| 60 if (!fSrcRect.width() || !fSrcRect.height() || !dstWidth || !dstHeight) { |
59 return nullptr; | 61 return nullptr; |
60 } | 62 } |
61 | 63 |
62 SkRect srcRect; | 64 SkRect srcRect; |
63 ctx.ctm().mapRect(&srcRect, fSrcRect); | 65 ctx.ctm().mapRect(&srcRect, fSrcRect); |
64 SkIRect srcIRect; | 66 SkIRect srcIRect; |
65 srcRect.roundOut(&srcIRect); | 67 srcRect.roundOut(&srcIRect); |
66 srcIRect.offset(-inputOffset); | 68 srcIRect.offset(-inputOffset); |
67 const SkIRect inputBounds = SkIRect::MakeWH(input->width(), input->height())
; | 69 const SkIRect inputBounds = SkIRect::MakeWH(input->width(), input->height())
; |
68 | 70 |
69 if (!SkIRect::Intersects(srcIRect, inputBounds)) { | 71 if (!SkIRect::Intersects(srcIRect, inputBounds)) { |
70 return nullptr; | 72 return nullptr; |
71 } | 73 } |
72 | 74 |
73 // We create an SkImage here b.c. it needs to be a tight fit for the tiling | 75 // We create an SkImage here b.c. it needs to be a tight fit for the tiling |
74 sk_sp<SkImage> subset; | 76 sk_sp<SkImage> subset; |
75 if (inputBounds.contains(srcIRect)) { | 77 if (inputBounds.contains(srcIRect)) { |
76 subset = input->makeTightSubset(srcIRect); | 78 subset = input->makeTightSubset(srcIRect); |
77 if (!subset) { | 79 if (!subset) { |
78 return nullptr; | 80 return nullptr; |
79 } | 81 } |
80 } else { | 82 } else { |
81 sk_sp<SkSurface> surf(input->makeTightSurface(ctx.outputProperties(), sr
cIRect.size())); | 83 const SkImageInfo info = SkImageInfo::MakeN32(srcIRect.width(), srcIRect
.height(), |
| 84 kPremul_SkAlphaType); |
| 85 sk_sp<SkSurface> surf(input->makeTightSurface(info)); |
82 if (!surf) { | 86 if (!surf) { |
83 return nullptr; | 87 return nullptr; |
84 } | 88 } |
85 | 89 |
86 SkCanvas* canvas = surf->getCanvas(); | 90 SkCanvas* canvas = surf->getCanvas(); |
87 SkASSERT(canvas); | 91 SkASSERT(canvas); |
88 | 92 |
89 SkPaint paint; | 93 SkPaint paint; |
90 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 94 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
91 | 95 |
92 input->draw(canvas, | 96 input->draw(canvas, |
93 SkIntToScalar(inputOffset.x()), SkIntToScalar(inputOffset.y(
)), | 97 SkIntToScalar(inputOffset.x()), SkIntToScalar(inputOffset.y(
)), |
94 &paint); | 98 &paint); |
95 | 99 |
96 subset = surf->makeImageSnapshot(); | 100 subset = surf->makeImageSnapshot(); |
97 } | 101 } |
98 SkASSERT(subset->width() == srcIRect.width()); | 102 SkASSERT(subset->width() == srcIRect.width()); |
99 SkASSERT(subset->height() == srcIRect.height()); | 103 SkASSERT(subset->height() == srcIRect.height()); |
100 | 104 |
101 sk_sp<SkSpecialSurface> surf(source->makeSurface(ctx.outputProperties(), dst
IRect.size())); | 105 const SkImageInfo info = SkImageInfo::MakeN32(dstWidth, dstHeight, kPremul_S
kAlphaType); |
| 106 |
| 107 sk_sp<SkSpecialSurface> surf(source->makeSurface(info)); |
102 if (!surf) { | 108 if (!surf) { |
103 return nullptr; | 109 return nullptr; |
104 } | 110 } |
105 | 111 |
106 SkCanvas* canvas = surf->getCanvas(); | 112 SkCanvas* canvas = surf->getCanvas(); |
107 SkASSERT(canvas); | 113 SkASSERT(canvas); |
108 | 114 |
109 SkPaint paint; | 115 SkPaint paint; |
110 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 116 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
111 paint.setShader(subset->makeShader(SkShader::kRepeat_TileMode, SkShader::kRe
peat_TileMode)); | 117 paint.setShader(subset->makeShader(SkShader::kRepeat_TileMode, SkShader::kRe
peat_TileMode)); |
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154 str->appendf(" dst: %.2f %.2f %.2f %.2f", | 160 str->appendf(" dst: %.2f %.2f %.2f %.2f", |
155 fDstRect.fLeft, fDstRect.fTop, fDstRect.fRight, fDstRect.fBotto
m); | 161 fDstRect.fLeft, fDstRect.fTop, fDstRect.fRight, fDstRect.fBotto
m); |
156 if (this->getInput(0)) { | 162 if (this->getInput(0)) { |
157 str->appendf("input: ("); | 163 str->appendf("input: ("); |
158 this->getInput(0)->toString(str); | 164 this->getInput(0)->toString(str); |
159 str->appendf(")"); | 165 str->appendf(")"); |
160 } | 166 } |
161 str->append(")"); | 167 str->append(")"); |
162 } | 168 } |
163 #endif | 169 #endif |
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