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1120 lines
44 KiB
C++
1120 lines
44 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/platform/graphics/GraphicsContext.h"
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#include <gtest/gtest.h>
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#include "sky/engine/platform/graphics/BitmapImage.h"
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#include "sky/engine/platform/graphics/DisplayList.h"
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#include "sky/engine/platform/graphics/ImageBuffer.h"
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#include "sky/engine/platform/graphics/skia/NativeImageSkia.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkPicture.h"
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using namespace blink;
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namespace {
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#define EXPECT_EQ_RECT(a, b) \
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EXPECT_EQ(a.x(), b.x()); \
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EXPECT_EQ(a.y(), b.y()); \
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EXPECT_EQ(a.width(), b.width()); \
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EXPECT_EQ(a.height(), b.height());
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#define EXPECT_PIXELS_MATCH(bitmap, opaqueRect) \
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{ \
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SkAutoLockPixels locker(bitmap); \
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for (int y = opaqueRect.y(); y < opaqueRect.maxY(); ++y) \
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for (int x = opaqueRect.x(); x < opaqueRect.maxX(); ++x) { \
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int alpha = *bitmap.getAddr32(x, y) >> 24; \
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EXPECT_EQ(255, alpha); \
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} \
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}
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#define EXPECT_PIXELS_MATCH_EXACT(bitmap, opaqueRect) \
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{ \
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SkAutoLockPixels locker(bitmap); \
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for (int y = 0; y < bitmap.height(); ++y) \
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for (int x = 0; x < bitmap.width(); ++x) { \
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int alpha = *bitmap.getAddr32(x, y) >> 24; \
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bool opaque = opaqueRect.contains(x, y); \
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EXPECT_EQ(opaque, alpha == 255); \
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} \
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}
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TEST(GraphicsContextTest, trackOpaqueTest)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(400, 400);
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bitmap.eraseColor(0);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(10, 10, 90, 90), alpha, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositePlusLighter);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositeSourceIn);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(99, 13, 10, 90), alpha, CompositeSourceIn);
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EXPECT_EQ_RECT(IntRect(10, 10, 89, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(8, 8, 3, 90), opaque, CompositeSourceOut);
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EXPECT_EQ_RECT(IntRect(11, 10, 88, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(30, 30, 290, 290), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(40, 20, 290, 50), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceIn);
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EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(10, 10, 390, 50), alpha);
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EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(30, 10, 290, 310), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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}
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TEST(GraphicsContextTest, trackOpaqueClipTest)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(400, 400);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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context.save();
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context.clip(FloatRect(0, 0, 10, 10));
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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context.save();
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context.clip(FloatRect(20, 20, 10, 10));
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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// The intersection of the two clips becomes empty.
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context.clip(FloatRect(30, 20, 10, 10));
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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// The transform and the clip need to interact correctly (transform first)
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context.save();
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context.translate(10, 10);
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context.clip(FloatRect(20, 20, 10, 10));
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(30, 30, 10, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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// The transform and the clip need to interact correctly (clip first)
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context.save();
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context.clip(FloatRect(20, 20, 10, 10));
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context.translate(10, 10);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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context.clearRect(FloatRect(10, 10, 90, 90));
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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Path path;
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path.moveTo(FloatPoint(0, 0));
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path.addLineTo(FloatPoint(100, 0));
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// Non-rectangular clips just cause the paint to be considered non-opaque.
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context.save();
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context.clipPath(path, RULE_EVENODD);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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// Another non-rectangular clip.
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context.save();
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context.clip(IntRect(30, 30, 20, 20));
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context.clipOut(IntRect(30, 30, 10, 10));
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.restore();
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}
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TEST(GraphicsContextTest, trackImageMask)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(400, 400);
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bitmap.eraseColor(0);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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// Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask
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// out a transparency layer below that is filled with the mask color. In the end this should
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// not be marked opaque.
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context.setCompositeOperation(CompositeSourceOver);
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context.beginTransparencyLayer(1);
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context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver);
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context.setCompositeOperation(CompositeDestinationIn);
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context.beginTransparencyLayer(1);
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OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
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alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha);
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context.setCompositeOperation(CompositeSourceOver);
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context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10));
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context.endLayer();
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context.endLayer();
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EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
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}
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TEST(GraphicsContextTest, trackImageMaskWithOpaqueRect)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(400, 400);
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bitmap.eraseColor(0);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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// Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask
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// out a transparency layer below that is filled with the mask color. In the end this should
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// not be marked opaque.
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context.setCompositeOperation(CompositeSourceOver);
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context.beginTransparencyLayer(1);
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context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver);
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context.setCompositeOperation(CompositeDestinationIn);
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context.beginTransparencyLayer(1);
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OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
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alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha);
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context.setCompositeOperation(CompositeSourceOver);
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context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10));
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// We can't have an opaque mask actually, but we can pretend here like it would look if we did.
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context.fillRect(FloatRect(12, 12, 3, 3), opaque, CompositeSourceOver);
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context.endLayer();
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context.endLayer();
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EXPECT_EQ_RECT(IntRect(12, 12, 3, 3), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
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}
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TEST(GraphicsContextTest, trackOpaqueJoinTest)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(400, 400);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Doesn't join
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context.fillRect(FloatRect(31, 20, 10, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Does join
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context.fillRect(FloatRect(30, 20, 10, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Doesn't join
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context.fillRect(FloatRect(20, 31, 20, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Does join
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context.fillRect(FloatRect(20, 30, 20, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Doesn't join
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context.fillRect(FloatRect(9, 20, 10, 20), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Does join
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context.fillRect(FloatRect(10, 20, 10, 20), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Doesn't join
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context.fillRect(FloatRect(10, 9, 30, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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// Does join
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context.fillRect(FloatRect(10, 10, 30, 10), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 10, 30, 30), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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}
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TEST(GraphicsContextTest, trackOpaqueLineTest)
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{
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SkBitmap bitmap;
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bitmap.allocN32Pixels(200, 200);
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bitmap.eraseColor(0);
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SkCanvas canvas(bitmap);
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GraphicsContext context(&canvas);
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context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
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Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
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Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
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context.setShouldAntialias(false);
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context.setMiterLimit(0);
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context.setStrokeThickness(4);
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context.setLineCap(SquareCap);
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context.setStrokeStyle(SolidStroke);
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context.setCompositeOperation(CompositeSourceOver);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.setCompositeOperation(CompositeSourceIn);
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context.save();
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context.setStrokeColor(alpha);
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context.drawLine(IntPoint(0, 0), IntPoint(100, 0));
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context.restore();
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.save();
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context.setStrokeColor(opaque);
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context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
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context.restore();
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EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.save();
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context.setStrokeColor(alpha);
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context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
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context.restore();
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EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.save();
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context.setStrokeColor(alpha);
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context.drawLine(IntPoint(0, 11), IntPoint(100, 11));
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context.restore();
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EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect());
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EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
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context.setShouldAntialias(true);
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context.setCompositeOperation(CompositeSourceOver);
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context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
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|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setCompositeOperation(CompositeSourceIn);
|
|
|
|
context.save();
|
|
context.setStrokeColor(alpha);
|
|
context.drawLine(IntPoint(0, 0), IntPoint(100, 0));
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setShouldAntialias(false);
|
|
context.save();
|
|
context.setStrokeColor(opaque);
|
|
context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setShouldAntialias(true);
|
|
context.save();
|
|
context.setStrokeColor(opaque);
|
|
context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.save();
|
|
context.setStrokeColor(alpha);
|
|
context.drawLine(IntPoint(0, 11), IntPoint(100, 11));
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaquePathTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setShouldAntialias(false);
|
|
context.setMiterLimit(1);
|
|
context.setStrokeThickness(5);
|
|
context.setLineCap(SquareCap);
|
|
context.setStrokeStyle(SolidStroke);
|
|
context.setCompositeOperation(CompositeSourceIn);
|
|
|
|
Path path;
|
|
|
|
context.setFillColor(alpha);
|
|
path.moveTo(FloatPoint(0, 0));
|
|
path.addLineTo(FloatPoint(100, 0));
|
|
context.fillPath(path);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
path.clear();
|
|
|
|
context.setFillColor(opaque);
|
|
path.moveTo(FloatPoint(0, 10));
|
|
path.addLineTo(FloatPoint(100, 13));
|
|
context.fillPath(path);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
path.clear();
|
|
|
|
context.setFillColor(alpha);
|
|
path.moveTo(FloatPoint(0, 10));
|
|
path.addLineTo(FloatPoint(100, 13));
|
|
context.fillPath(path);
|
|
EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
path.clear();
|
|
|
|
context.setFillColor(alpha);
|
|
path.moveTo(FloatPoint(0, 14));
|
|
path.addLineTo(FloatPoint(100, 10));
|
|
context.fillPath(path);
|
|
EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
path.clear();
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueImageTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
SkBitmap opaqueBitmap;
|
|
opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */);
|
|
|
|
for (int y = 0; y < opaqueBitmap.height(); ++y)
|
|
for (int x = 0; x < opaqueBitmap.width(); ++x)
|
|
*opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
|
|
RefPtr<BitmapImage> opaqueImage = BitmapImage::create(NativeImageSkia::create(opaqueBitmap));
|
|
EXPECT_TRUE(opaqueImage->currentFrameKnownToBeOpaque());
|
|
|
|
SkBitmap alphaBitmap;
|
|
alphaBitmap.allocN32Pixels(10, 10);
|
|
|
|
for (int y = 0; y < alphaBitmap.height(); ++y)
|
|
for (int x = 0; x < alphaBitmap.width(); ++x)
|
|
*alphaBitmap.getAddr32(x, y) = 0x00000000;
|
|
RefPtr<BitmapImage> alphaImage = BitmapImage::create(NativeImageSkia::create(alphaBitmap));
|
|
EXPECT_FALSE(alphaImage->currentFrameKnownToBeOpaque());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawImage(opaqueImage.get(), IntPoint(0, 0));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
context.drawImage(alphaImage.get(), IntPoint(0, 0));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawImage(opaqueImage.get(), IntPoint(5, 5));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
context.drawImage(alphaImage.get(), IntPoint(5, 5));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawImage(opaqueImage.get(), IntPoint(10, 10));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
context.drawImage(alphaImage.get(), IntPoint(10, 10));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawImage(alphaImage.get(), IntPoint(20, 10), CompositeSourceIn);
|
|
EXPECT_EQ_RECT(IntRect(10, 20, 90, 80), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.save();
|
|
context.setAlphaAsFloat(0.5);
|
|
context.drawImage(opaqueImage.get(), IntPoint(25, 15), CompositeSourceIn);
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(10, 25, 90, 75), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawImage(alphaImage.get(), IntPoint(10, 20), CompositeSourceIn);
|
|
EXPECT_EQ_RECT(IntRect(20, 10, 80, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.save();
|
|
context.setAlphaAsFloat(0.5);
|
|
context.drawImage(opaqueImage.get(), IntPoint(15, 25), CompositeSourceIn);
|
|
context.restore();
|
|
EXPECT_EQ_RECT(IntRect(25, 10, 75, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueOvalTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillEllipse(FloatRect(10, 10, 90, 90));
|
|
context.strokeEllipse(FloatRect(10, 10, 90, 90));
|
|
EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setCompositeOperation(CompositeSourceIn);
|
|
|
|
context.setShouldAntialias(false);
|
|
|
|
context.setFillColor(opaque);
|
|
context.fillEllipse(FloatRect(10, 10, 50, 30));
|
|
context.strokeEllipse(FloatRect(10, 10, 50, 30));
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setFillColor(alpha);
|
|
context.fillEllipse(FloatRect(10, 10, 30, 50));
|
|
context.strokeEllipse(FloatRect(10, 10, 30, 50));
|
|
EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setShouldAntialias(true);
|
|
|
|
context.setFillColor(opaque);
|
|
context.fillEllipse(FloatRect(10, 10, 50, 30));
|
|
context.strokeEllipse(FloatRect(10, 10, 50, 30));
|
|
EXPECT_EQ_RECT(IntRect(40, 41, 60, 59), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setFillColor(alpha);
|
|
context.fillEllipse(FloatRect(20, 10, 30, 50));
|
|
context.strokeEllipse(FloatRect(20, 10, 30, 50));
|
|
EXPECT_EQ_RECT(IntRect(51, 41, 49, 59), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueRoundedRectTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
IntSize radii(10, 10);
|
|
|
|
EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRoundedRect(IntRect(10, 10, 90, 90), radii, radii, radii, radii, opaque);
|
|
EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.setCompositeOperation(CompositeSourceIn);
|
|
context.setShouldAntialias(false);
|
|
|
|
context.fillRoundedRect(IntRect(10, 10, 50, 30), radii, radii, radii, radii, opaque);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRoundedRect(IntRect(10, 10, 30, 50), radii, radii, radii, radii, alpha);
|
|
EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRoundedRect(IntRect(10, 0, 50, 30), radii, radii, radii, radii, alpha);
|
|
EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRoundedRect(IntRect(30, 0, 70, 50), radii, radii, radii, radii, opaque);
|
|
EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueTextTest)
|
|
{
|
|
int width = 200, height = 200;
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(width, height);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
SkRect textRect = SkRect::MakeWH(width, height);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
SkPaint opaquePaint;
|
|
opaquePaint.setColor(opaque.rgb());
|
|
opaquePaint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
SkPaint alphaPaint;
|
|
alphaPaint.setColor(alpha.rgb());
|
|
alphaPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
|
|
SkPoint point = SkPoint::Make(0, 0);
|
|
|
|
context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawPosText("A", 1, &point, textRect, opaquePaint);
|
|
EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawPosText("A", 1, &point, textRect, alphaPaint);
|
|
EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueWritePixelsTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
SkBitmap opaqueBitmap;
|
|
opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */);
|
|
for (int y = 0; y < opaqueBitmap.height(); ++y)
|
|
for (int x = 0; x < opaqueBitmap.width(); ++x)
|
|
*opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
|
|
|
|
SkBitmap alphaBitmap;
|
|
alphaBitmap.allocN32Pixels(10, 10);
|
|
for (int y = 0; y < alphaBitmap.height(); ++y)
|
|
for (int x = 0; x < alphaBitmap.width(); ++x)
|
|
*alphaBitmap.getAddr32(x, y) = 0x00000000;
|
|
|
|
SkPaint paint;
|
|
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
|
|
context.writePixels(opaqueBitmap, 50, 50);
|
|
EXPECT_EQ_RECT(IntRect(50, 50, 10, 10), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.writePixels(alphaBitmap, 10, 0);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.writePixels(alphaBitmap, 10, 1);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.writePixels(alphaBitmap, 0, 10);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.writePixels(alphaBitmap, 1, 10);
|
|
EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueDrawBitmapTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
SkBitmap opaqueBitmap;
|
|
opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */);
|
|
for (int y = 0; y < opaqueBitmap.height(); ++y)
|
|
for (int x = 0; x < opaqueBitmap.width(); ++x)
|
|
*opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
|
|
|
|
SkBitmap alphaBitmap;
|
|
alphaBitmap.allocN32Pixels(10, 10);
|
|
for (int y = 0; y < alphaBitmap.height(); ++y)
|
|
for (int x = 0; x < alphaBitmap.width(); ++x)
|
|
*alphaBitmap.getAddr32(x, y) = 0x00000000;
|
|
|
|
SkPaint paint;
|
|
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
|
|
context.drawBitmap(opaqueBitmap, 10, 10, &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 10, 10), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmap(alphaBitmap, 10, 0, &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmap(alphaBitmap, 10, 1, &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmap(alphaBitmap, 0, 10, &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmap(alphaBitmap, 1, 10, &paint);
|
|
EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, trackOpaqueDrawBitmapRectTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(200, 200);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
SkBitmap opaqueBitmap;
|
|
opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */);
|
|
for (int y = 0; y < opaqueBitmap.height(); ++y)
|
|
for (int x = 0; x < opaqueBitmap.width(); ++x)
|
|
*opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
|
|
|
|
SkBitmap alphaBitmap;
|
|
alphaBitmap.allocN32Pixels(10, 10);
|
|
for (int y = 0; y < alphaBitmap.height(); ++y)
|
|
for (int x = 0; x < alphaBitmap.width(); ++x)
|
|
*alphaBitmap.getAddr32(x, y) = 0x00000000;
|
|
|
|
SkPaint paint;
|
|
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
|
|
|
context.drawBitmapRect(opaqueBitmap, 0, SkRect::MakeXYWH(10, 10, 90, 90), &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 10), &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 11), &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 10, 10), &paint);
|
|
EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 11, 10), &paint);
|
|
EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, contextTransparencyLayerTest)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(400, 400);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.clearRect(FloatRect(20, 20, 10, 10));
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
|
|
context.beginTransparencyLayer(0.5);
|
|
context.save();
|
|
context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver);
|
|
context.restore();
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
|
|
context.clearRect(FloatRect(20, 20, 10, 10));
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
|
|
context.beginTransparencyLayer(0.5);
|
|
context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver);
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, UnboundedDrawsAreClipped)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(400, 400);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
Path path;
|
|
context.setShouldAntialias(false);
|
|
context.setMiterLimit(1);
|
|
context.setStrokeThickness(5);
|
|
context.setLineCap(SquareCap);
|
|
context.setStrokeStyle(SolidStroke);
|
|
|
|
// Make skia unable to compute fast bounds for our paths.
|
|
DashArray dashArray;
|
|
dashArray.append(1);
|
|
dashArray.append(0);
|
|
context.setLineDash(dashArray, 0);
|
|
|
|
// Make the device opaque in 10,10 40x40.
|
|
context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
|
|
|
|
// Clip to the left edge of the opaque area.
|
|
context.clip(IntRect(10, 10, 10, 40));
|
|
|
|
// Draw a path that gets clipped. This should destroy the opaque area but only inside the clip.
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.setFillColor(alpha);
|
|
path.moveTo(FloatPoint(10, 10));
|
|
path.addLineTo(FloatPoint(40, 40));
|
|
context.strokePath(path);
|
|
|
|
EXPECT_EQ_RECT(IntRect(20, 10, 30, 40), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, PreserveOpaqueOnlyMattersForFirstLayer)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(400, 400);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
Path path;
|
|
context.setShouldAntialias(false);
|
|
context.setMiterLimit(1);
|
|
context.setStrokeThickness(5);
|
|
context.setLineCap(SquareCap);
|
|
context.setStrokeStyle(SolidStroke);
|
|
|
|
// Make skia unable to compute fast bounds for our paths.
|
|
DashArray dashArray;
|
|
dashArray.append(1);
|
|
dashArray.append(0);
|
|
context.setLineDash(dashArray, 0);
|
|
|
|
// Make the device opaque in 10,10 40x40.
|
|
context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
|
|
|
|
// Begin a layer that preserves opaque.
|
|
context.setCompositeOperation(CompositeSourceOver);
|
|
context.beginTransparencyLayer(0.5);
|
|
|
|
// Begin a layer that does not preserve opaque.
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.beginTransparencyLayer(0.5);
|
|
|
|
// This should not destroy the device opaqueness.
|
|
context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver);
|
|
|
|
// This should not destroy the device opaqueness either.
|
|
context.setFillColor(opaque);
|
|
path.moveTo(FloatPoint(10, 10));
|
|
path.addLineTo(FloatPoint(40, 40));
|
|
context.strokePath(path);
|
|
|
|
context.endLayer();
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
|
|
|
|
// Now begin a layer that does not preserve opaque and draw through it to the device.
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.beginTransparencyLayer(0.5);
|
|
|
|
// This should destroy the device opaqueness.
|
|
context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver);
|
|
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
|
|
|
|
// Now we draw with a path for which it cannot compute fast bounds. This should destroy the entire opaque region.
|
|
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.beginTransparencyLayer(0.5);
|
|
|
|
// This should nuke the device opaqueness.
|
|
context.setFillColor(opaque);
|
|
path.moveTo(FloatPoint(10, 10));
|
|
path.addLineTo(FloatPoint(40, 40));
|
|
context.strokePath(path);
|
|
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, OpaqueRegionForLayerWithNonRectDeviceClip)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
context.fillRect(FloatRect(30, 30, 90, 90), opaque, CompositeSourceOver);
|
|
|
|
context.setCompositeOperation(CompositeSourceOver);
|
|
context.beginTransparencyLayer(0.5);
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(30, 30, 70, 70), context.opaqueRegion().asRect());
|
|
|
|
Path path;
|
|
path.moveTo(FloatPoint(0, 0));
|
|
path.addLineTo(FloatPoint(50, 50));
|
|
|
|
// For opaque preserving mode and deviceClip is not rect
|
|
// we will not alter opaque rect.
|
|
context.clipPath(path, RULE_EVENODD);
|
|
|
|
context.setCompositeOperation(CompositeSourceOver);
|
|
context.beginTransparencyLayer(0.5);
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(30, 30, 70, 70), context.opaqueRegion().asRect());
|
|
|
|
// For non-opaque preserving mode and deviceClip is not rect
|
|
// we will mark opaque rect as empty.
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.beginTransparencyLayer(0.5);
|
|
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
}
|
|
|
|
TEST(GraphicsContextTest, OpaqueRegionForLayerWithRectDeviceClip)
|
|
{
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseColor(0);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
GraphicsContext context(&canvas);
|
|
context.setRegionTrackingMode(GraphicsContext::RegionTrackingOpaque);
|
|
|
|
context.fillRect(FloatRect(30, 30, 90, 90), opaque, CompositeSourceOver);
|
|
EXPECT_EQ_RECT(IntRect(30, 30, 70, 70), context.opaqueRegion().asRect());
|
|
|
|
// For non-opaque preserving mode and deviceClip is rect
|
|
// we will mark device clip rect as non opaque.
|
|
context.setCompositeOperation(CompositeSourceOut);
|
|
context.beginTransparencyLayer(0.5);
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
|
|
context.clip(FloatRect(0, 0, 50, 50));
|
|
context.fillRect(FloatRect(20, 20, 100, 100), opaque, CompositeSourceOver);
|
|
|
|
// For opaque preserving mode and deviceClip is rect
|
|
// we will intersect device clip rect with src opaque rect.
|
|
context.setCompositeOperation(CompositeSourceOver);
|
|
context.beginTransparencyLayer(0.5);
|
|
context.endLayer();
|
|
EXPECT_EQ_RECT(IntRect(20, 20, 30, 30), context.opaqueRegion().asRect());
|
|
EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
|
|
}
|
|
|
|
} // namespace
|