| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "SkImageFilter.h" |
| #include "platform/graphics/filters/FEBlend.h" |
| #include "platform/graphics/filters/FEGaussianBlur.h" |
| #include "platform/graphics/filters/FEMerge.h" |
| #include "platform/graphics/filters/FilterOperations.h" |
| #include "platform/graphics/filters/ReferenceFilter.h" |
| #include "platform/graphics/filters/SourceGraphic.h" |
| #include "platform/graphics/filters/SkiaImageFilterBuilder.h" |
| #include <gtest/gtest.h> |
| |
| using testing::Test; |
| using namespace WebCore; |
| |
| class ImageFilterBuilderTest : public Test { |
| protected: |
| void colorSpaceTest() |
| { |
| // Build filter tree |
| RefPtr<ReferenceFilter> referenceFilter = ReferenceFilter::create(); |
| |
| // Add a dummy source graphic input |
| RefPtr<FilterEffect> sourceEffect = referenceFilter->sourceGraphic(); |
| sourceEffect->setOperatingColorSpace(ColorSpaceDeviceRGB); |
| |
| // Add a blur effect (with input : source) |
| RefPtr<FilterEffect> blurEffect = |
| FEGaussianBlur::create(referenceFilter.get(), 3.0f, 3.0f); |
| blurEffect->setOperatingColorSpace(ColorSpaceLinearRGB); |
| blurEffect->inputEffects().append(sourceEffect); |
| |
| // Add a blend effect (with inputs : blur, source) |
| RefPtr<FilterEffect> blendEffect = |
| FEBlend::create(referenceFilter.get(), FEBLEND_MODE_NORMAL); |
| blendEffect->setOperatingColorSpace(ColorSpaceDeviceRGB); |
| FilterEffectVector& blendInputs = blendEffect->inputEffects(); |
| blendInputs.reserveCapacity(2); |
| blendInputs.append(sourceEffect); |
| blendInputs.append(blurEffect); |
| |
| // Add a merge effect (with inputs : blur, blend) |
| RefPtr<FilterEffect> mergeEffect = FEMerge::create(referenceFilter.get()); |
| mergeEffect->setOperatingColorSpace(ColorSpaceLinearRGB); |
| FilterEffectVector& mergeInputs = mergeEffect->inputEffects(); |
| mergeInputs.reserveCapacity(2); |
| mergeInputs.append(blurEffect); |
| mergeInputs.append(blendEffect); |
| referenceFilter->setLastEffect(mergeEffect); |
| |
| // Get SkImageFilter resulting tree |
| SkiaImageFilterBuilder builder; |
| RefPtr<SkImageFilter> filter = builder.build(referenceFilter->lastEffect(), ColorSpaceDeviceRGB); |
| |
| // Let's check that the resulting tree looks like this : |
| // ColorSpace (Linear->Device) : CS (L->D) |
| // | |
| // Merge (L) |
| // | | |
| // | CS (D->L) |
| // | | |
| // | Blend (D) |
| // | / | |
| // | CS (L->D) | |
| // | / | |
| // Blur (L) | |
| // \ | |
| // CS (D->L) | |
| // \ | |
| // Source Graphic (D) |
| |
| EXPECT_EQ(filter->countInputs(), 1); // Should be CS (L->D) |
| SkImageFilter* child = filter->getInput(0); // Should be Merge |
| EXPECT_EQ(child->asColorFilter(0), false); |
| EXPECT_EQ(child->countInputs(), 2); |
| child = child->getInput(1); // Should be CS (D->L) |
| EXPECT_EQ(child->asColorFilter(0), true); |
| EXPECT_EQ(child->countInputs(), 1); |
| child = child->getInput(0); // Should be Blend |
| EXPECT_EQ(child->asColorFilter(0), false); |
| EXPECT_EQ(child->countInputs(), 2); |
| child = child->getInput(0); // Should be CS (L->D) |
| EXPECT_EQ(child->asColorFilter(0), true); |
| EXPECT_EQ(child->countInputs(), 1); |
| child = child->getInput(0); // Should be Blur |
| EXPECT_EQ(child->asColorFilter(0), false); |
| EXPECT_EQ(child->countInputs(), 1); |
| child = child->getInput(0); // Should be CS (D->L) |
| EXPECT_EQ(child->asColorFilter(0), true); |
| EXPECT_EQ(child->countInputs(), 1); |
| } |
| }; |
| |
| namespace { |
| |
| TEST_F(ImageFilterBuilderTest, testColorSpace) |
| { |
| colorSpaceTest(); |
| } |
| |
| } // namespace |