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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 "SkColorFilterImageFilter.h" | 8 #include "SkColorFilterImageFilter.h" |
9 | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 #include "SkColorMatrixFilter.h" |
| 12 #include "SkDevice.h" |
11 #include "SkColorFilter.h" | 13 #include "SkColorFilter.h" |
12 #include "SkReadBuffer.h" | 14 #include "SkReadBuffer.h" |
13 #include "SkSpecialImage.h" | 15 #include "SkTableColorFilter.h" |
14 #include "SkSpecialSurface.h" | |
15 #include "SkWriteBuffer.h" | 16 #include "SkWriteBuffer.h" |
16 | 17 |
17 SkImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf, SkImageFilter
* input, | 18 SkImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf, SkImageFilter
* input, |
18 const CropRect* cropRect) { | 19 const CropRect* cropRect) { |
19 if (!cf) { | 20 if (nullptr == cf) { |
20 return nullptr; | 21 return nullptr; |
21 } | 22 } |
22 | 23 |
23 SkColorFilter* inputCF; | 24 SkColorFilter* inputCF; |
24 if (input && input->isColorFilterNode(&inputCF)) { | 25 if (input && input->isColorFilterNode(&inputCF)) { |
25 // This is an optimization, as it collapses the hierarchy by just combin
ing the two | 26 // This is an optimization, as it collapses the hierarchy by just combin
ing the two |
26 // colorfilters into a single one, which the new imagefilter will wrap. | 27 // colorfilters into a single one, which the new imagefilter will wrap. |
27 sk_sp<SkColorFilter> newCF(SkColorFilter::MakeComposeFilter(sk_ref_sp(cf
), | 28 sk_sp<SkColorFilter> newCF(SkColorFilter::MakeComposeFilter(sk_ref_sp(cf
), |
28 sk_sp<SkColo
rFilter>(inputCF))); | 29 sk_sp<SkColo
rFilter>(inputCF))); |
29 if (newCF) { | 30 if (newCF) { |
30 return new SkColorFilterImageFilter(newCF.get(), input->getInput(0),
cropRect); | 31 return new SkColorFilterImageFilter(newCF.get(), input->getInput(0),
cropRect); |
31 } | 32 } |
32 } | 33 } |
33 | 34 |
34 return new SkColorFilterImageFilter(cf, input, cropRect); | 35 return new SkColorFilterImageFilter(cf, input, cropRect); |
35 } | 36 } |
36 | 37 |
37 SkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf, | 38 SkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf, |
38 SkImageFilter* input, | 39 SkImageFilter* input, const CropRect* cropRect) |
39 const CropRect* cropRect) | 40 : INHERITED(1, &input, cropRect), fColorFilter(SkRef(cf)) { |
40 : INHERITED(1, &input, cropRect) | |
41 , fColorFilter(SkRef(cf)) { | |
42 } | 41 } |
43 | 42 |
44 SkFlattenable* SkColorFilterImageFilter::CreateProc(SkReadBuffer& buffer) { | 43 SkFlattenable* SkColorFilterImageFilter::CreateProc(SkReadBuffer& buffer) { |
45 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | 44 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
46 sk_sp<SkColorFilter> cf(buffer.readColorFilter()); | 45 sk_sp<SkColorFilter> cf(buffer.readColorFilter()); |
47 return Create(cf.get(), common.getInput(0), &common.cropRect()); | 46 return Create(cf.get(), common.getInput(0), &common.cropRect()); |
48 } | 47 } |
49 | 48 |
50 void SkColorFilterImageFilter::flatten(SkWriteBuffer& buffer) const { | 49 void SkColorFilterImageFilter::flatten(SkWriteBuffer& buffer) const { |
51 this->INHERITED::flatten(buffer); | 50 this->INHERITED::flatten(buffer); |
52 buffer.writeFlattenable(fColorFilter.get()); | 51 buffer.writeFlattenable(fColorFilter.get()); |
53 } | 52 } |
54 | 53 |
55 SkSpecialImage* SkColorFilterImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx, | 54 bool SkColorFilterImageFilter::onFilterImageDeprecated(Proxy* proxy, const SkBit
map& source, |
56 SkIPoint* offset) const
{ | 55 const Context& ctx, |
57 SkIPoint inputOffset = SkIPoint::Make(0, 0); | 56 SkBitmap* result, |
58 SkAutoTUnref<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputO
ffset)); | 57 SkIPoint* offset) const { |
59 if (!input) { | 58 SkBitmap src = source; |
60 return nullptr; | 59 SkIPoint srcOffset = SkIPoint::Make(0, 0); |
| 60 if (!this->filterInputDeprecated(0, proxy, source, ctx, &src, &srcOffset)) { |
| 61 return false; |
61 } | 62 } |
62 | 63 |
63 SkIRect bounds; | 64 SkIRect bounds; |
64 const SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY
, | 65 SkIRect srcBounds = src.bounds(); |
65 input->width(), input->height(
)); | 66 srcBounds.offset(srcOffset); |
66 if (!this->applyCropRect(ctx, inputBounds, &bounds)) { | 67 if (!this->applyCropRect(ctx, srcBounds, &bounds)) { |
67 return nullptr; | 68 return false; |
68 } | 69 } |
69 | 70 |
70 SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(), kPr
emul_SkAlphaType); | 71 SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds
.height())); |
71 sk_sp<SkSpecialSurface> surf(source->makeSurface(info)); | 72 if (nullptr == device.get()) { |
72 if (!surf) { | 73 return false; |
73 return nullptr; | |
74 } | 74 } |
75 | 75 SkCanvas canvas(device.get()); |
76 SkCanvas* canvas = surf->getCanvas(); | |
77 SkASSERT(canvas); | |
78 | |
79 // TODO: it seems like this clear shouldn't be necessary (see skbug.com/5075
) | |
80 canvas->clear(0x0); | |
81 | |
82 SkPaint paint; | 76 SkPaint paint; |
83 | 77 |
84 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 78 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
85 paint.setColorFilter(fColorFilter); | 79 paint.setColorFilter(fColorFilter); |
| 80 canvas.drawBitmap(src, SkIntToScalar(srcOffset.fX - bounds.fLeft), |
| 81 SkIntToScalar(srcOffset.fY - bounds.fTop), &paint); |
86 | 82 |
87 input->draw(canvas, | 83 *result = device.get()->accessBitmap(false); |
88 SkIntToScalar(inputOffset.fX - bounds.fLeft), | |
89 SkIntToScalar(inputOffset.fY - bounds.fTop), | |
90 &paint); | |
91 | |
92 offset->fX = bounds.fLeft; | 84 offset->fX = bounds.fLeft; |
93 offset->fY = bounds.fTop; | 85 offset->fY = bounds.fTop; |
94 return surf->makeImageSnapshot().release(); | 86 return true; |
95 } | 87 } |
96 | 88 |
97 bool SkColorFilterImageFilter::onIsColorFilterNode(SkColorFilter** filter) const
{ | 89 bool SkColorFilterImageFilter::onIsColorFilterNode(SkColorFilter** filter) const
{ |
98 SkASSERT(1 == this->countInputs()); | 90 SkASSERT(1 == this->countInputs()); |
99 if (!this->cropRectIsSet()) { | 91 if (!this->cropRectIsSet()) { |
100 if (filter) { | 92 if (filter) { |
101 *filter = SkRef(fColorFilter.get()); | 93 *filter = SkRef(fColorFilter.get()); |
102 } | 94 } |
103 return true; | 95 return true; |
104 } | 96 } |
(...skipping 16 matching lines...) Expand all Loading... |
121 if (this->getInput(0)) { | 113 if (this->getInput(0)) { |
122 this->getInput(0)->toString(str); | 114 this->getInput(0)->toString(str); |
123 } | 115 } |
124 | 116 |
125 str->appendf(") color filter: "); | 117 str->appendf(") color filter: "); |
126 fColorFilter->toString(str); | 118 fColorFilter->toString(str); |
127 | 119 |
128 str->append(")"); | 120 str->append(")"); |
129 } | 121 } |
130 #endif | 122 #endif |
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