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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 "SkAlphaThresholdFilter.h" | 8 #include "SkAlphaThresholdFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkDevice.h" | 10 #include "SkDevice.h" |
11 #include "SkReadBuffer.h" | 11 #include "SkReadBuffer.h" |
12 #include "SkWriteBuffer.h" | 12 #include "SkWriteBuffer.h" |
13 #include "SkRegion.h" | 13 #include "SkRegion.h" |
14 #if SK_SUPPORT_GPU | 14 #if SK_SUPPORT_GPU |
15 #include "GrDrawContext.h" | 15 #include "GrDrawContext.h" |
16 #endif | 16 #endif |
17 | 17 |
18 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { | 18 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { |
19 public: | 19 public: |
20 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, | 20 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, |
21 SkScalar outerThreshold, SkImageFilter* input); | 21 SkScalar outerThreshold, SkImageFilter* input); |
22 | 22 |
23 SK_TO_STRING_OVERRIDE() | 23 SK_TO_STRING_OVERRIDE() |
24 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) | 24 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) |
| 25 friend void SkAlphaThresholdFilter::InitializeFlattenables(); |
25 | 26 |
26 protected: | 27 protected: |
27 void flatten(SkWriteBuffer&) const override; | 28 void flatten(SkWriteBuffer&) const override; |
28 | 29 |
29 bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, | 30 bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
30 SkBitmap* result, SkIPoint* offset) const override; | 31 SkBitmap* result, SkIPoint* offset) const override; |
31 #if SK_SUPPORT_GPU | 32 #if SK_SUPPORT_GPU |
32 bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&, | 33 bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&, |
33 const SkIRect& bounds) const override; | 34 const SkIRect& bounds) const override; |
34 #endif | 35 #endif |
35 | 36 |
36 private: | 37 private: |
37 SkRegion fRegion; | 38 SkRegion fRegion; |
38 SkScalar fInnerThreshold; | 39 SkScalar fInnerThreshold; |
39 SkScalar fOuterThreshold; | 40 SkScalar fOuterThreshold; |
40 typedef SkImageFilter INHERITED; | 41 typedef SkImageFilter INHERITED; |
41 }; | 42 }; |
42 | 43 |
| 44 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkAlphaThresholdFilter) |
| 45 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkAlphaThresholdFilterImpl) |
| 46 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
| 47 |
| 48 |
43 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, | 49 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, |
44 SkScalar innerThreshold, | 50 SkScalar innerThreshold, |
45 SkScalar outerThreshold, | 51 SkScalar outerThreshold, |
46 SkImageFilter* input) { | 52 SkImageFilter* input) { |
47 return new SkAlphaThresholdFilterImpl(region, innerThreshold, outerThreshold
, input); | 53 return new SkAlphaThresholdFilterImpl(region, innerThreshold, outerThreshold
, input); |
48 } | 54 } |
49 | 55 |
50 #if SK_SUPPORT_GPU | 56 #if SK_SUPPORT_GPU |
51 #include "GrContext.h" | 57 #include "GrContext.h" |
52 #include "GrCoordTransform.h" | 58 #include "GrCoordTransform.h" |
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371 } | 377 } |
372 | 378 |
373 #ifndef SK_IGNORE_TO_STRING | 379 #ifndef SK_IGNORE_TO_STRING |
374 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { | 380 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { |
375 str->appendf("SkAlphaThresholdImageFilter: ("); | 381 str->appendf("SkAlphaThresholdImageFilter: ("); |
376 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); | 382 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); |
377 str->append(")"); | 383 str->append(")"); |
378 } | 384 } |
379 #endif | 385 #endif |
380 | 386 |
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