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Side by Side Diff: src/pdf/SkPDFShader.cpp

Issue 1771073002: SkPDF: s/SkAutoTUnref/sk_sp/g (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 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 9
10 #include "SkPDFShader.h" 10 #include "SkPDFShader.h"
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580 * Creates a ExtGState with the SMask set to the luminosityShader in 580 * Creates a ExtGState with the SMask set to the luminosityShader in
581 * luminosity mode. The shader pattern extends to the bbox. 581 * luminosity mode. The shader pattern extends to the bbox.
582 */ 582 */
583 static SkPDFObject* create_smask_graphic_state( 583 static SkPDFObject* create_smask_graphic_state(
584 SkPDFCanon* canon, SkScalar dpi, const SkPDFShader::State& state) { 584 SkPDFCanon* canon, SkScalar dpi, const SkPDFShader::State& state) {
585 SkRect bbox; 585 SkRect bbox;
586 bbox.set(state.fBBox); 586 bbox.set(state.fBBox);
587 587
588 SkAutoTDelete<SkPDFShader::State> alphaToLuminosityState( 588 SkAutoTDelete<SkPDFShader::State> alphaToLuminosityState(
589 state.CreateAlphaToLuminosityState()); 589 state.CreateAlphaToLuminosityState());
590 SkAutoTUnref<SkPDFObject> luminosityShader( 590 sk_sp<SkPDFObject> luminosityShader(
591 get_pdf_shader_by_state(canon, dpi, &alphaToLuminosityState)); 591 get_pdf_shader_by_state(canon, dpi, &alphaToLuminosityState));
592 592
593 SkAutoTDelete<SkStream> alphaStream(create_pattern_fill_content(-1, bbox)); 593 SkAutoTDelete<SkStream> alphaStream(create_pattern_fill_content(-1, bbox));
594 594
595 SkAutoTUnref<SkPDFDict> 595 sk_sp<SkPDFDict>
596 resources(get_gradient_resource_dict(luminosityShader.get(), nullptr)); 596 resources(get_gradient_resource_dict(luminosityShader.get(), nullptr));
597 597
598 SkAutoTUnref<SkPDFFormXObject> alphaMask( 598 sk_sp<SkPDFFormXObject> alphaMask(
599 new SkPDFFormXObject(alphaStream.get(), bbox, resources.get())); 599 new SkPDFFormXObject(alphaStream.get(), bbox, resources.get()));
600 600
601 return SkPDFGraphicState::GetSMaskGraphicState( 601 return SkPDFGraphicState::GetSMaskGraphicState(
602 alphaMask.get(), false, 602 alphaMask.get(), false,
603 SkPDFGraphicState::kLuminosity_SMaskMode); 603 SkPDFGraphicState::kLuminosity_SMaskMode);
604 } 604 }
605 605
606 SkPDFAlphaFunctionShader* SkPDFAlphaFunctionShader::Create( 606 SkPDFAlphaFunctionShader* SkPDFAlphaFunctionShader::Create(
607 SkPDFCanon* canon, 607 SkPDFCanon* canon,
608 SkScalar dpi, 608 SkScalar dpi,
609 SkAutoTDelete<SkPDFShader::State>* autoState) { 609 SkAutoTDelete<SkPDFShader::State>* autoState) {
610 const SkPDFShader::State& state = **autoState; 610 const SkPDFShader::State& state = **autoState;
611 SkRect bbox; 611 SkRect bbox;
612 bbox.set(state.fBBox); 612 bbox.set(state.fBBox);
613 613
614 SkAutoTDelete<SkPDFShader::State> opaqueState(state.CreateOpaqueState()); 614 SkAutoTDelete<SkPDFShader::State> opaqueState(state.CreateOpaqueState());
615 615
616 SkAutoTUnref<SkPDFObject> colorShader( 616 sk_sp<SkPDFObject> colorShader(
617 get_pdf_shader_by_state(canon, dpi, &opaqueState)); 617 get_pdf_shader_by_state(canon, dpi, &opaqueState));
618 if (!colorShader) { 618 if (!colorShader) {
619 return nullptr; 619 return nullptr;
620 } 620 }
621 621
622 // Create resource dict with alpha graphics state as G0 and 622 // Create resource dict with alpha graphics state as G0 and
623 // pattern shader as P0, then write content stream. 623 // pattern shader as P0, then write content stream.
624 SkAutoTUnref<SkPDFObject> alphaGs( 624 sk_sp<SkPDFObject> alphaGs(
625 create_smask_graphic_state(canon, dpi, state)); 625 create_smask_graphic_state(canon, dpi, state));
626 626
627 SkPDFAlphaFunctionShader* alphaFunctionShader = 627 SkPDFAlphaFunctionShader* alphaFunctionShader =
628 new SkPDFAlphaFunctionShader(autoState->detach()); 628 new SkPDFAlphaFunctionShader(autoState->detach());
629 629
630 SkAutoTUnref<SkPDFDict> resourceDict( 630 sk_sp<SkPDFDict> resourceDict(
631 get_gradient_resource_dict(colorShader.get(), alphaGs.get())); 631 get_gradient_resource_dict(colorShader.get(), alphaGs.get()));
632 632
633 SkAutoTDelete<SkStream> colorStream( 633 SkAutoTDelete<SkStream> colorStream(
634 create_pattern_fill_content(0, bbox)); 634 create_pattern_fill_content(0, bbox));
635 alphaFunctionShader->setData(colorStream.get()); 635 alphaFunctionShader->setData(colorStream.get());
636 636
637 populate_tiling_pattern_dict(alphaFunctionShader, bbox, resourceDict.get(), 637 populate_tiling_pattern_dict(alphaFunctionShader, bbox, resourceDict.get(),
638 SkMatrix::I()); 638 SkMatrix::I());
639 canon->addAlphaShader(alphaFunctionShader); 639 canon->addAlphaShader(alphaFunctionShader);
640 return alphaFunctionShader; 640 return alphaFunctionShader;
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764 return nullptr; 764 return nullptr;
765 } 765 }
766 } 766 }
767 767
768 SkRect bbox; 768 SkRect bbox;
769 bbox.set(state.fBBox); 769 bbox.set(state.fBBox);
770 if (!inverse_transform_bbox(finalMatrix, &bbox)) { 770 if (!inverse_transform_bbox(finalMatrix, &bbox)) {
771 return nullptr; 771 return nullptr;
772 } 772 }
773 773
774 SkAutoTUnref<SkPDFArray> domain(new SkPDFArray); 774 sk_sp<SkPDFArray> domain(new SkPDFArray);
775 domain->reserve(4); 775 domain->reserve(4);
776 domain->appendScalar(bbox.fLeft); 776 domain->appendScalar(bbox.fLeft);
777 domain->appendScalar(bbox.fRight); 777 domain->appendScalar(bbox.fRight);
778 domain->appendScalar(bbox.fTop); 778 domain->appendScalar(bbox.fTop);
779 domain->appendScalar(bbox.fBottom); 779 domain->appendScalar(bbox.fBottom);
780 780
781 SkString functionCode; 781 SkString functionCode;
782 // The two point radial gradient further references 782 // The two point radial gradient further references
783 // state.fInfo 783 // state.fInfo
784 // in translating from x, y coordinates to the t parameter. So, we have 784 // in translating from x, y coordinates to the t parameter. So, we have
785 // to transform the points and radii according to the calculated matrix. 785 // to transform the points and radii according to the calculated matrix.
786 if (state.fType == SkShader::kConical_GradientType) { 786 if (state.fType == SkShader::kConical_GradientType) {
787 SkShader::GradientInfo twoPointRadialInfo = *info; 787 SkShader::GradientInfo twoPointRadialInfo = *info;
788 SkMatrix inverseMapperMatrix; 788 SkMatrix inverseMapperMatrix;
789 if (!mapperMatrix.invert(&inverseMapperMatrix)) { 789 if (!mapperMatrix.invert(&inverseMapperMatrix)) {
790 return nullptr; 790 return nullptr;
791 } 791 }
792 inverseMapperMatrix.mapPoints(twoPointRadialInfo.fPoint, 2); 792 inverseMapperMatrix.mapPoints(twoPointRadialInfo.fPoint, 2);
793 twoPointRadialInfo.fRadius[0] = 793 twoPointRadialInfo.fRadius[0] =
794 inverseMapperMatrix.mapRadius(info->fRadius[0]); 794 inverseMapperMatrix.mapRadius(info->fRadius[0]);
795 twoPointRadialInfo.fRadius[1] = 795 twoPointRadialInfo.fRadius[1] =
796 inverseMapperMatrix.mapRadius(info->fRadius[1]); 796 inverseMapperMatrix.mapRadius(info->fRadius[1]);
797 functionCode = codeFunction(twoPointRadialInfo, perspectiveInverseOnly); 797 functionCode = codeFunction(twoPointRadialInfo, perspectiveInverseOnly);
798 } else { 798 } else {
799 functionCode = codeFunction(*info, perspectiveInverseOnly); 799 functionCode = codeFunction(*info, perspectiveInverseOnly);
800 } 800 }
801 801
802 SkAutoTUnref<SkPDFDict> pdfShader(new SkPDFDict); 802 sk_sp<SkPDFDict> pdfShader(new SkPDFDict);
803 pdfShader->insertInt("ShadingType", 1); 803 pdfShader->insertInt("ShadingType", 1);
804 pdfShader->insertName("ColorSpace", "DeviceRGB"); 804 pdfShader->insertName("ColorSpace", "DeviceRGB");
805 pdfShader->insertObject("Domain", SkRef(domain.get())); 805 pdfShader->insertObject("Domain", SkRef(domain.get()));
806 806
807 SkAutoTUnref<SkPDFStream> function( 807 sk_sp<SkPDFStream> function(
808 make_ps_function(functionCode, domain.get())); 808 make_ps_function(functionCode, domain.get()));
809 pdfShader->insertObjRef("Function", function.release()); 809 pdfShader->insertObjRef("Function", function.release());
810 810
811 SkAutoTUnref<SkPDFFunctionShader> pdfFunctionShader(new SkPDFFunctionShader( autoState->detach())); 811 sk_sp<SkPDFFunctionShader> pdfFunctionShader(new SkPDFFunctionShader(autoSta te->detach()));
812 812
813 pdfFunctionShader->insertInt("PatternType", 2); 813 pdfFunctionShader->insertInt("PatternType", 2);
814 pdfFunctionShader->insertObject("Matrix", 814 pdfFunctionShader->insertObject("Matrix",
815 SkPDFUtils::MatrixToArray(finalMatrix)); 815 SkPDFUtils::MatrixToArray(finalMatrix));
816 pdfFunctionShader->insertObject("Shading", pdfShader.release()); 816 pdfFunctionShader->insertObject("Shading", pdfShader.release());
817 817
818 canon->addFunctionShader(pdfFunctionShader.get()); 818 canon->addFunctionShader(pdfFunctionShader.get());
819 return pdfFunctionShader.release(); 819 return pdfFunctionShader.release();
820 } 820 }
821 821
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852 SkShader::TileMode tileModes[2]; 852 SkShader::TileMode tileModes[2];
853 tileModes[0] = state.fImageTileModes[0]; 853 tileModes[0] = state.fImageTileModes[0];
854 tileModes[1] = state.fImageTileModes[1]; 854 tileModes[1] = state.fImageTileModes[1];
855 if (tileModes[0] != SkShader::kClamp_TileMode || 855 if (tileModes[0] != SkShader::kClamp_TileMode ||
856 tileModes[1] != SkShader::kClamp_TileMode) { 856 tileModes[1] != SkShader::kClamp_TileMode) {
857 deviceBounds.join(bitmapBounds); 857 deviceBounds.join(bitmapBounds);
858 } 858 }
859 859
860 SkISize size = SkISize::Make(SkScalarRoundToInt(deviceBounds.width()), 860 SkISize size = SkISize::Make(SkScalarRoundToInt(deviceBounds.width()),
861 SkScalarRoundToInt(deviceBounds.height())); 861 SkScalarRoundToInt(deviceBounds.height()));
862 SkAutoTUnref<SkPDFDevice> patternDevice( 862 sk_sp<SkPDFDevice> patternDevice(
863 SkPDFDevice::CreateUnflipped(size, dpi, canon)); 863 SkPDFDevice::CreateUnflipped(size, dpi, canon));
864 SkCanvas canvas(patternDevice.get()); 864 SkCanvas canvas(patternDevice.get());
865 865
866 SkRect patternBBox; 866 SkRect patternBBox;
867 image->getBounds(&patternBBox); 867 image->getBounds(&patternBBox);
868 868
869 // Translate the canvas so that the bitmap origin is at (0, 0). 869 // Translate the canvas so that the bitmap origin is at (0, 0).
870 canvas.translate(-deviceBounds.left(), -deviceBounds.top()); 870 canvas.translate(-deviceBounds.left(), -deviceBounds.top());
871 patternBBox.offset(-deviceBounds.left(), -deviceBounds.top()); 871 patternBBox.offset(-deviceBounds.left(), -deviceBounds.top());
872 // Undo the translation in the final matrix 872 // Undo the translation in the final matrix
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1017 patternBBox.fBottom = deviceBounds.height(); 1017 patternBBox.fBottom = deviceBounds.height();
1018 } 1018 }
1019 } 1019 }
1020 1020
1021 // Put the canvas into the pattern stream (fContent). 1021 // Put the canvas into the pattern stream (fContent).
1022 SkAutoTDelete<SkStreamAsset> content(patternDevice->content()); 1022 SkAutoTDelete<SkStreamAsset> content(patternDevice->content());
1023 1023
1024 SkPDFImageShader* imageShader = new SkPDFImageShader(autoState->detach()); 1024 SkPDFImageShader* imageShader = new SkPDFImageShader(autoState->detach());
1025 imageShader->setData(content.get()); 1025 imageShader->setData(content.get());
1026 1026
1027 SkAutoTUnref<SkPDFDict> resourceDict( 1027 sk_sp<SkPDFDict> resourceDict(
1028 patternDevice->createResourceDict()); 1028 patternDevice->createResourceDict());
1029 populate_tiling_pattern_dict(imageShader, patternBBox, 1029 populate_tiling_pattern_dict(imageShader, patternBBox,
1030 resourceDict.get(), finalMatrix); 1030 resourceDict.get(), finalMatrix);
1031 1031
1032 imageShader->fShaderState->fImage.unlockPixels(); 1032 imageShader->fShaderState->fImage.unlockPixels();
1033 1033
1034 canon->addImageShader(imageShader); 1034 canon->addImageShader(imageShader);
1035 return imageShader; 1035 return imageShader;
1036 } 1036 }
1037 1037
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1224 return false; 1224 return false;
1225 } 1225 }
1226 1226
1227 void SkPDFShader::State::AllocateGradientInfoStorage() { 1227 void SkPDFShader::State::AllocateGradientInfoStorage() {
1228 fColorData.set(sk_malloc_throw( 1228 fColorData.set(sk_malloc_throw(
1229 fInfo.fColorCount * (sizeof(SkColor) + sizeof(SkScalar)))); 1229 fInfo.fColorCount * (sizeof(SkColor) + sizeof(SkScalar))));
1230 fInfo.fColors = reinterpret_cast<SkColor*>(fColorData.get()); 1230 fInfo.fColors = reinterpret_cast<SkColor*>(fColorData.get());
1231 fInfo.fColorOffsets = 1231 fInfo.fColorOffsets =
1232 reinterpret_cast<SkScalar*>(fInfo.fColors + fInfo.fColorCount); 1232 reinterpret_cast<SkScalar*>(fInfo.fColors + fInfo.fColorCount);
1233 } 1233 }
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