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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkRadialGradient.h" | 9 #include "SkRadialGradient.h" |
10 #include "SkRadialGradient_Table.h" | 10 #include "SkRadialGradient_Table.h" |
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245 | 245 |
246 SkShader::GradientType SkRadialGradient::asAGradient(GradientInfo* info) const { | 246 SkShader::GradientType SkRadialGradient::asAGradient(GradientInfo* info) const { |
247 if (info) { | 247 if (info) { |
248 commonAsAGradient(info); | 248 commonAsAGradient(info); |
249 info->fPoint[0] = fCenter; | 249 info->fPoint[0] = fCenter; |
250 info->fRadius[0] = fRadius; | 250 info->fRadius[0] = fRadius; |
251 } | 251 } |
252 return kRadial_GradientType; | 252 return kRadial_GradientType; |
253 } | 253 } |
254 | 254 |
255 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING | |
256 SkRadialGradient::SkRadialGradient(SkReadBuffer& buffer) | |
257 : INHERITED(buffer), | |
258 fCenter(buffer.readPoint()), | |
259 fRadius(buffer.readScalar()) { | |
260 } | |
261 #endif | |
262 | |
263 SkFlattenable* SkRadialGradient::CreateProc(SkReadBuffer& buffer) { | 255 SkFlattenable* SkRadialGradient::CreateProc(SkReadBuffer& buffer) { |
264 DescriptorScope desc; | 256 DescriptorScope desc; |
265 if (!desc.unflatten(buffer)) { | 257 if (!desc.unflatten(buffer)) { |
266 return NULL; | 258 return NULL; |
267 } | 259 } |
268 const SkPoint center = buffer.readPoint(); | 260 const SkPoint center = buffer.readPoint(); |
269 const SkScalar radius = buffer.readScalar(); | 261 const SkScalar radius = buffer.readScalar(); |
270 return SkGradientShader::CreateRadial(center, radius, desc.fColors, desc.fPo
s, desc.fCount, | 262 return SkGradientShader::CreateRadial(center, radius, desc.fColors, desc.fPo
s, desc.fCount, |
271 desc.fTileMode, desc.fGradFlags, desc.
fLocalMatrix); | 263 desc.fTileMode, desc.fGradFlags, desc.
fLocalMatrix); |
272 } | 264 } |
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571 t.append(")"); | 563 t.append(")"); |
572 this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers); | 564 this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers); |
573 } | 565 } |
574 | 566 |
575 ///////////////////////////////////////////////////////////////////// | 567 ///////////////////////////////////////////////////////////////////// |
576 | 568 |
577 bool SkRadialGradient::asFragmentProcessor(GrContext* context, const SkPaint& pa
int, | 569 bool SkRadialGradient::asFragmentProcessor(GrContext* context, const SkPaint& pa
int, |
578 const SkMatrix* localMatrix, GrColor*
paintColor, | 570 const SkMatrix* localMatrix, GrColor*
paintColor, |
579 GrFragmentProcessor** fp) const { | 571 GrFragmentProcessor** fp) const { |
580 SkASSERT(context); | 572 SkASSERT(context); |
581 | 573 |
582 SkMatrix matrix; | 574 SkMatrix matrix; |
583 if (!this->getLocalMatrix().invert(&matrix)) { | 575 if (!this->getLocalMatrix().invert(&matrix)) { |
584 return false; | 576 return false; |
585 } | 577 } |
586 if (localMatrix) { | 578 if (localMatrix) { |
587 SkMatrix inv; | 579 SkMatrix inv; |
588 if (!localMatrix->invert(&inv)) { | 580 if (!localMatrix->invert(&inv)) { |
589 return false; | 581 return false; |
590 } | 582 } |
591 matrix.postConcat(inv); | 583 matrix.postConcat(inv); |
592 } | 584 } |
593 matrix.postConcat(fPtsToUnit); | 585 matrix.postConcat(fPtsToUnit); |
594 | 586 |
595 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); | 587 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); |
596 *fp = GrRadialGradient::Create(context, *this, matrix, fTileMode); | 588 *fp = GrRadialGradient::Create(context, *this, matrix, fTileMode); |
597 | 589 |
598 return true; | 590 return true; |
599 } | 591 } |
600 | 592 |
601 #else | 593 #else |
602 | 594 |
603 bool SkRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkM
atrix*, GrColor*, | 595 bool SkRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkM
atrix*, GrColor*, |
604 GrFragmentProcessor**) const { | 596 GrFragmentProcessor**) const { |
605 SkDEBUGFAIL("Should not call in GPU-less build"); | 597 SkDEBUGFAIL("Should not call in GPU-less build"); |
606 return false; | 598 return false; |
607 } | 599 } |
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618 str->appendScalar(fCenter.fY); | 610 str->appendScalar(fCenter.fY); |
619 str->append(") radius: "); | 611 str->append(") radius: "); |
620 str->appendScalar(fRadius); | 612 str->appendScalar(fRadius); |
621 str->append(" "); | 613 str->append(" "); |
622 | 614 |
623 this->INHERITED::toString(str); | 615 this->INHERITED::toString(str); |
624 | 616 |
625 str->append(")"); | 617 str->append(")"); |
626 } | 618 } |
627 #endif | 619 #endif |
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