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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 "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 #include "SkMagnifierImageFilter.h" | 9 #include "SkMagnifierImageFilter.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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208 uint32_t x = random->nextULessThan(kMaxWidth - width); | 208 uint32_t x = random->nextULessThan(kMaxWidth - width); |
209 uint32_t y = random->nextULessThan(kMaxHeight - height); | 209 uint32_t y = random->nextULessThan(kMaxHeight - height); |
210 SkScalar inset = SkIntToScalar(random->nextULessThan(kMaxInset)); | 210 SkScalar inset = SkIntToScalar(random->nextULessThan(kMaxInset)); |
211 | 211 |
212 SkAutoTUnref<SkMagnifierImageFilter> filter( | 212 SkAutoTUnref<SkMagnifierImageFilter> filter( |
213 new SkMagnifierImageFilter( | 213 new SkMagnifierImageFilter( |
214 SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y), | 214 SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y), |
215 SkIntToScalar(width), SkIntToScalar(height)), | 215 SkIntToScalar(width), SkIntToScalar(height)), |
216 inset)); | 216 inset)); |
217 GrEffectRef* effect; | 217 GrEffectRef* effect; |
218 filter->asNewEffect(&effect, textures[0], SkIPoint::Make(0, 0)); | 218 filter->asNewEffect(&effect, textures[0], SkMatrix::I()); |
219 SkASSERT(NULL != effect); | 219 SkASSERT(NULL != effect); |
220 return effect; | 220 return effect; |
221 } | 221 } |
222 | 222 |
223 /////////////////////////////////////////////////////////////////////////////// | 223 /////////////////////////////////////////////////////////////////////////////// |
224 | 224 |
225 const GrBackendEffectFactory& GrMagnifierEffect::getFactory() const { | 225 const GrBackendEffectFactory& GrMagnifierEffect::getFactory() const { |
226 return GrTBackendEffectFactory<GrMagnifierEffect>::getInstance(); | 226 return GrTBackendEffectFactory<GrMagnifierEffect>::getInstance(); |
227 } | 227 } |
228 | 228 |
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254 fInset = buffer.readScalar(); | 254 fInset = buffer.readScalar(); |
255 } | 255 } |
256 | 256 |
257 // FIXME: implement single-input semantics | 257 // FIXME: implement single-input semantics |
258 SkMagnifierImageFilter::SkMagnifierImageFilter(SkRect srcRect, SkScalar inset) | 258 SkMagnifierImageFilter::SkMagnifierImageFilter(SkRect srcRect, SkScalar inset) |
259 : INHERITED(0), fSrcRect(srcRect), fInset(inset) { | 259 : INHERITED(0), fSrcRect(srcRect), fInset(inset) { |
260 SkASSERT(srcRect.x() >= 0 && srcRect.y() >= 0 && inset >= 0); | 260 SkASSERT(srcRect.x() >= 0 && srcRect.y() >= 0 && inset >= 0); |
261 } | 261 } |
262 | 262 |
263 #if SK_SUPPORT_GPU | 263 #if SK_SUPPORT_GPU |
264 bool SkMagnifierImageFilter::asNewEffect(GrEffectRef** effect, GrTexture* textur
e, const SkIPoint&) const { | 264 bool SkMagnifierImageFilter::asNewEffect(GrEffectRef** effect, GrTexture* textur
e, const SkMatrix&) const { |
265 if (effect) { | 265 if (effect) { |
266 *effect = GrMagnifierEffect::Create(texture, | 266 *effect = GrMagnifierEffect::Create(texture, |
267 fSrcRect.x() / texture->width(), | 267 fSrcRect.x() / texture->width(), |
268 fSrcRect.y() / texture->height(), | 268 fSrcRect.y() / texture->height(), |
269 texture->width() / fSrcRect.width(), | 269 texture->width() / fSrcRect.width(), |
270 texture->height() / fSrcRect.height(
), | 270 texture->height() / fSrcRect.height(
), |
271 fInset / texture->width(), | 271 fInset / texture->width(), |
272 fInset / texture->height()); | 272 fInset / texture->height()); |
273 } | 273 } |
274 return true; | 274 return true; |
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342 | 342 |
343 int x_val = SkMin32(SkScalarFloorToInt(x_interp), width - 1); | 343 int x_val = SkMin32(SkScalarFloorToInt(x_interp), width - 1); |
344 int y_val = SkMin32(SkScalarFloorToInt(y_interp), height - 1); | 344 int y_val = SkMin32(SkScalarFloorToInt(y_interp), height - 1); |
345 | 345 |
346 *dptr = sptr[y_val * width + x_val]; | 346 *dptr = sptr[y_val * width + x_val]; |
347 dptr++; | 347 dptr++; |
348 } | 348 } |
349 } | 349 } |
350 return true; | 350 return true; |
351 } | 351 } |
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