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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 "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
11 #include "SkWriteBuffer.h" | 11 #include "SkWriteBuffer.h" |
12 #include "SkRegion.h" | 12 #include "SkRegion.h" |
13 | 13 |
14 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { | 14 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { |
15 public: | 15 public: |
16 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, | 16 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, |
17 SkScalar outerThreshold, SkImageFilter* input); | 17 SkScalar outerThreshold, SkImageFilter* input); |
18 | 18 |
19 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) | 19 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) |
20 | 20 |
21 protected: | 21 protected: |
| 22 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| 23 explicit SkAlphaThresholdFilterImpl(SkReadBuffer& buffer); |
| 24 #endif |
22 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 25 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
23 | 26 |
24 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, | 27 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
25 SkBitmap* result, SkIPoint* offset) const SK_OVER
RIDE; | 28 SkBitmap* result, SkIPoint* offset) const SK_OVER
RIDE; |
26 #if SK_SUPPORT_GPU | 29 #if SK_SUPPORT_GPU |
27 virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const Sk
Matrix&, | 30 virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const Sk
Matrix&, |
28 const SkIRect& bounds) const SK_OVERRIDE; | 31 const SkIRect& bounds) const SK_OVERRIDE; |
29 #endif | 32 #endif |
30 | 33 |
31 private: | 34 private: |
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228 inout->mulByUnknownAlpha(); | 231 inout->mulByUnknownAlpha(); |
229 } else if (GrPixelConfigIsOpaque(this->texture(0)->config()) && fOuterThresh
old >= 1.f) { | 232 } else if (GrPixelConfigIsOpaque(this->texture(0)->config()) && fOuterThresh
old >= 1.f) { |
230 inout->mulByUnknownOpaqueColor(); | 233 inout->mulByUnknownOpaqueColor(); |
231 } else { | 234 } else { |
232 inout->mulByUnknownColor(); | 235 inout->mulByUnknownColor(); |
233 } | 236 } |
234 } | 237 } |
235 | 238 |
236 #endif | 239 #endif |
237 | 240 |
| 241 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| 242 SkAlphaThresholdFilterImpl::SkAlphaThresholdFilterImpl(SkReadBuffer& buffer) |
| 243 : INHERITED(1, buffer) { |
| 244 fInnerThreshold = buffer.readScalar(); |
| 245 fOuterThreshold = buffer.readScalar(); |
| 246 buffer.readRegion(&fRegion); |
| 247 } |
| 248 #endif |
| 249 |
238 SkFlattenable* SkAlphaThresholdFilterImpl::CreateProc(SkReadBuffer& buffer) { | 250 SkFlattenable* SkAlphaThresholdFilterImpl::CreateProc(SkReadBuffer& buffer) { |
239 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | 251 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
240 SkScalar inner = buffer.readScalar(); | 252 SkScalar inner = buffer.readScalar(); |
241 SkScalar outer = buffer.readScalar(); | 253 SkScalar outer = buffer.readScalar(); |
242 SkRegion rgn; | 254 SkRegion rgn; |
243 buffer.readRegion(&rgn); | 255 buffer.readRegion(&rgn); |
244 return SkAlphaThresholdFilter::Create(rgn, inner, outer, common.getInput(0))
; | 256 return SkAlphaThresholdFilter::Create(rgn, inner, outer, common.getInput(0))
; |
245 } | 257 } |
246 | 258 |
247 SkAlphaThresholdFilterImpl::SkAlphaThresholdFilterImpl(const SkRegion& region, | 259 SkAlphaThresholdFilterImpl::SkAlphaThresholdFilterImpl(const SkRegion& region, |
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366 (U8CPU)(SkColorGetG(source) *
scale), | 378 (U8CPU)(SkColorGetG(source) *
scale), |
367 (U8CPU)(SkColorGetB(source) *
scale)); | 379 (U8CPU)(SkColorGetB(source) *
scale)); |
368 } | 380 } |
369 } | 381 } |
370 dptr[y * dst->width() + x] = output_color; | 382 dptr[y * dst->width() + x] = output_color; |
371 } | 383 } |
372 } | 384 } |
373 | 385 |
374 return true; | 386 return true; |
375 } | 387 } |
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