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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 "SkMorphologyImageFilter.h" | 8 #include "SkMorphologyImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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496 radius, | 496 radius, |
497 morphType))->unref(); | 497 morphType))->unref(); |
498 context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect))
; | 498 context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect))
; |
499 } | 499 } |
500 | 500 |
501 bool apply_morphology(const SkBitmap& input, | 501 bool apply_morphology(const SkBitmap& input, |
502 const SkIRect& rect, | 502 const SkIRect& rect, |
503 GrMorphologyEffect::MorphologyType morphType, | 503 GrMorphologyEffect::MorphologyType morphType, |
504 SkISize radius, | 504 SkISize radius, |
505 SkBitmap* dst) { | 505 SkBitmap* dst) { |
506 GrTexture* srcTexture = input.getTexture(); | 506 SkAutoTUnref<GrTexture> srcTexture(SkRef(input.getTexture())); |
507 SkASSERT(srcTexture); | 507 SkASSERT(srcTexture); |
508 GrContext* context = srcTexture->getContext(); | 508 GrContext* context = srcTexture->getContext(); |
509 srcTexture->ref(); | |
510 SkAutoTUnref<GrTexture> src(srcTexture); | |
511 | 509 |
512 GrContext::AutoMatrix am; | 510 GrContext::AutoMatrix am; |
513 am.setIdentity(context); | 511 am.setIdentity(context); |
514 | 512 |
515 GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->wi
dth()), | 513 GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->wi
dth()), |
516 SkIntToScalar(srcTexture->he
ight()))); | 514 SkIntToScalar(srcTexture->he
ight()))); |
517 | 515 |
518 SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); | 516 SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
519 GrTextureDesc desc; | 517 GrTextureDesc desc; |
520 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; | 518 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
521 desc.fWidth = rect.width(); | 519 desc.fWidth = rect.width(); |
522 desc.fHeight = rect.height(); | 520 desc.fHeight = rect.height(); |
523 desc.fConfig = kSkia8888_GrPixelConfig; | 521 desc.fConfig = kSkia8888_GrPixelConfig; |
524 SkIRect srcRect = rect; | 522 SkIRect srcRect = rect; |
525 | 523 |
526 if (radius.fWidth > 0) { | 524 if (radius.fWidth > 0) { |
527 GrAutoScratchTexture ast(context, desc); | 525 GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox
_ScratchTexMatch); |
528 if (NULL == ast.texture()) { | 526 if (NULL == texture) { |
529 return false; | 527 return false; |
530 } | 528 } |
531 GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()
); | 529 GrContext::AutoRenderTarget art(context, texture->asRenderTarget()); |
532 apply_morphology_pass(context, src, srcRect, dstRect, radius.fWidth, | 530 apply_morphology_pass(context, srcTexture, srcRect, dstRect, radius.fWid
th, |
533 morphType, Gr1DKernelEffect::kX_Direction); | 531 morphType, Gr1DKernelEffect::kX_Direction); |
534 SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, | 532 SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
535 dstRect.width(), radius.fHeight); | 533 dstRect.width(), radius.fHeight); |
536 context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType ==
morphType ? | 534 context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType ==
morphType ? |
537 SK_ColorWHITE : | 535 SK_ColorWHITE : |
538 SK_ColorTRANSPARENT, false); | 536 SK_ColorTRANSPARENT, false); |
539 src.reset(ast.detach()); | 537 srcTexture.reset(texture); |
540 srcRect = dstRect; | 538 srcRect = dstRect; |
541 } | 539 } |
542 if (radius.fHeight > 0) { | 540 if (radius.fHeight > 0) { |
543 GrAutoScratchTexture ast(context, desc); | 541 GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox
_ScratchTexMatch); |
544 if (NULL == ast.texture()) { | 542 if (NULL == texture) { |
545 return false; | 543 return false; |
546 } | 544 } |
547 GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()
); | 545 GrContext::AutoRenderTarget art(context, texture->asRenderTarget()); |
548 apply_morphology_pass(context, src, srcRect, dstRect, radius.fHeight, | 546 apply_morphology_pass(context, srcTexture, srcRect, dstRect, radius.fHei
ght, |
549 morphType, Gr1DKernelEffect::kY_Direction); | 547 morphType, Gr1DKernelEffect::kY_Direction); |
550 src.reset(ast.detach()); | 548 srcTexture.reset(texture); |
551 } | 549 } |
552 SkImageFilter::WrapTexture(src, rect.width(), rect.height(), dst); | 550 SkImageFilter::WrapTexture(srcTexture, rect.width(), rect.height(), dst); |
553 return true; | 551 return true; |
554 } | 552 } |
555 | 553 |
556 }; | 554 }; |
557 | 555 |
558 bool SkMorphologyImageFilter::filterImageGPUGeneric(bool dilate, | 556 bool SkMorphologyImageFilter::filterImageGPUGeneric(bool dilate, |
559 Proxy* proxy, | 557 Proxy* proxy, |
560 const SkBitmap& src, | 558 const SkBitmap& src, |
561 const Context& ctx, | 559 const Context& ctx, |
562 SkBitmap* result, | 560 SkBitmap* result, |
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603 SkBitmap* result, SkIPoint* offset) con
st { | 601 SkBitmap* result, SkIPoint* offset) con
st { |
604 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); | 602 return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
605 } | 603 } |
606 | 604 |
607 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, | 605 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
Context& ctx, |
608 SkBitmap* result, SkIPoint* offset) cons
t { | 606 SkBitmap* result, SkIPoint* offset) cons
t { |
609 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); | 607 return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
610 } | 608 } |
611 | 609 |
612 #endif | 610 #endif |
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