| /* |
| * Copyright (C) 2012 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 "platform/graphics/GraphicsContext.h" |
| |
| #include "platform/graphics/BitmapImage.h" |
| #include "platform/graphics/DisplayList.h" |
| #include "platform/graphics/ImageBuffer.h" |
| #include "platform/graphics/skia/NativeImageSkia.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkPicture.h" |
| #include <gtest/gtest.h> |
| |
| using namespace blink; |
| |
| namespace { |
| |
| #define EXPECT_EQ_RECT(a, b) \ |
| EXPECT_EQ(a.x(), b.x()); \ |
| EXPECT_EQ(a.y(), b.y()); \ |
| EXPECT_EQ(a.width(), b.width()); \ |
| EXPECT_EQ(a.height(), b.height()); |
| |
| #define EXPECT_PIXELS_MATCH(bitmap, opaqueRect) \ |
| { \ |
| SkAutoLockPixels locker(bitmap); \ |
| for (int y = opaqueRect.y(); y < opaqueRect.maxY(); ++y) \ |
| for (int x = opaqueRect.x(); x < opaqueRect.maxX(); ++x) { \ |
| int alpha = *bitmap.getAddr32(x, y) >> 24; \ |
| EXPECT_EQ(255, alpha); \ |
| } \ |
| } |
| |
| #define EXPECT_PIXELS_MATCH_EXACT(bitmap, opaqueRect) \ |
| { \ |
| SkAutoLockPixels locker(bitmap); \ |
| for (int y = 0; y < bitmap.height(); ++y) \ |
| for (int x = 0; x < bitmap.width(); ++x) { \ |
| int alpha = *bitmap.getAddr32(x, y) >> 24; \ |
| bool opaque = opaqueRect.contains(x, y); \ |
| EXPECT_EQ(opaque, alpha == 255); \ |
| } \ |
| } |
| |
| TEST(GraphicsContextTest, trackOpaqueTest) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(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); |
| |
| 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.fillRect(FloatRect(10, 10, 90, 90), alpha, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositePlusLighter); |
| EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositeSourceIn); |
| EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(99, 13, 10, 90), alpha, CompositeSourceIn); |
| EXPECT_EQ_RECT(IntRect(10, 10, 89, 90), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(8, 8, 3, 90), opaque, CompositeSourceOut); |
| EXPECT_EQ_RECT(IntRect(11, 10, 88, 90), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(30, 30, 290, 290), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(40, 20, 290, 50), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceIn); |
| EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(10, 10, 390, 50), alpha); |
| EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(30, 10, 290, 310), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| } |
| |
| TEST(GraphicsContextTest, trackOpaqueClipTest) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); |
| 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.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| context.save(); |
| context.clip(FloatRect(0, 0, 10, 10)); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| |
| context.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| context.save(); |
| context.clip(FloatRect(20, 20, 10, 10)); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| context.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| // The intersection of the two clips becomes empty. |
| context.clip(FloatRect(30, 20, 10, 10)); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| |
| context.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| // The transform and the clip need to interact correctly (transform first) |
| context.save(); |
| context.translate(10, 10); |
| context.clip(FloatRect(20, 20, 10, 10)); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(30, 30, 10, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| |
| context.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| // The transform and the clip need to interact correctly (clip first) |
| context.save(); |
| context.clip(FloatRect(20, 20, 10, 10)); |
| context.translate(10, 10); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| |
| context.clearRect(FloatRect(10, 10, 90, 90)); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| |
| Path path; |
| path.moveTo(FloatPoint(0, 0)); |
| path.addLineTo(FloatPoint(100, 0)); |
| |
| // Non-rectangular clips just cause the paint to be considered non-opaque. |
| context.save(); |
| context.clipPath(path, RULE_EVENODD); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| |
| // Another non-rectangular clip. |
| context.save(); |
| context.clip(IntRect(30, 30, 20, 20)); |
| context.clipOut(IntRect(30, 30, 10, 10)); |
| context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| context.restore(); |
| } |
| |
| TEST(GraphicsContextTest, trackImageMask) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(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); |
| |
| // Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask |
| // out a transparency layer below that is filled with the mask color. In the end this should |
| // not be marked opaque. |
| |
| context.setCompositeOperation(CompositeSourceOver); |
| context.beginTransparencyLayer(1); |
| context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); |
| |
| context.setCompositeOperation(CompositeDestinationIn); |
| context.beginTransparencyLayer(1); |
| |
| OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); |
| alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); |
| |
| context.setCompositeOperation(CompositeSourceOver); |
| context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); |
| |
| context.endLayer(); |
| context.endLayer(); |
| |
| EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); |
| } |
| |
| TEST(GraphicsContextTest, trackImageMaskWithOpaqueRect) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(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); |
| |
| // Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask |
| // out a transparency layer below that is filled with the mask color. In the end this should |
| // not be marked opaque. |
| |
| context.setCompositeOperation(CompositeSourceOver); |
| context.beginTransparencyLayer(1); |
| context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); |
| |
| context.setCompositeOperation(CompositeDestinationIn); |
| context.beginTransparencyLayer(1); |
| |
| OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); |
| alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); |
| |
| context.setCompositeOperation(CompositeSourceOver); |
| context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); |
| |
| // We can't have an opaque mask actually, but we can pretend here like it would look if we did. |
| context.fillRect(FloatRect(12, 12, 3, 3), opaque, CompositeSourceOver); |
| |
| context.endLayer(); |
| context.endLayer(); |
| |
| EXPECT_EQ_RECT(IntRect(12, 12, 3, 3), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); |
| } |
| |
| TEST(GraphicsContextTest, trackOpaqueJoinTest) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); |
| 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(20, 20, 10, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Doesn't join |
| context.fillRect(FloatRect(31, 20, 10, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Does join |
| context.fillRect(FloatRect(30, 20, 10, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Doesn't join |
| context.fillRect(FloatRect(20, 31, 20, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Does join |
| context.fillRect(FloatRect(20, 30, 20, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Doesn't join |
| context.fillRect(FloatRect(9, 20, 10, 20), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Does join |
| context.fillRect(FloatRect(10, 20, 10, 20), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Doesn't join |
| context.fillRect(FloatRect(10, 9, 30, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| |
| // Does join |
| context.fillRect(FloatRect(10, 10, 30, 10), opaque, CompositeSourceOver); |
| EXPECT_EQ_RECT(IntRect(10, 10, 30, 30), context.opaqueRegion().asRect()); |
| EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); |
| } |
| |
| TEST(GraphicsContextTest, trackOpaqueLineTest) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(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); |
| |
| context.setShouldAntialias(false); |
| context.setMiterLimit(0); |
| context.setStrokeThickness(4); |
| context.setLineCap(SquareCap); |
| context.setStrokeStyle(SolidStroke); |
| context.setCompositeOperation(CompositeSourceOver); |
| |
| 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.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.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.save(); |
| context.setStrokeColor(alpha); |
| 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()); |
| |
| context.setShouldAntialias(true); |
| context.setCompositeOperation(CompositeSourceOver); |
| |
| 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.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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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; |
| ASSERT_TRUE(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()); |
| } |
| |
| #define DISPATCH1(c1, c2, op, param1) do { c1.op(param1); c2.op(param1); } while (0); |
| #define DISPATCH2(c1, c2, op, param1, param2) do { c1.op(param1, param2); c2.op(param1, param2); } while (0); |
| |
| TEST(GraphicsContextTest, RecordingTotalMatrix) |
| { |
| SkBitmap bitmap; |
| ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); |
| bitmap.eraseColor(0); |
| SkCanvas canvas(bitmap); |
| GraphicsContext context(&canvas); |
| |
| SkCanvas controlCanvas(400, 400); |
| GraphicsContext controlContext(&controlCanvas); |
| |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| DISPATCH2(context, controlContext, scale, 2, 2); |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| |
| controlContext.save(); |
| context.beginRecording(FloatRect(0, 0, 200, 200)); |
| DISPATCH2(context, controlContext, translate, 10, 10); |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| |
| controlContext.save(); |
| context.beginRecording(FloatRect(10, 10, 100, 100)); |
| DISPATCH1(context, controlContext, rotate, 45); |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| |
| controlContext.restore(); |
| context.endRecording(); |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| |
| controlContext.restore(); |
| context.endRecording(); |
| EXPECT_EQ(context.getCTM(), controlContext.getCTM()); |
| } |
| |
| TEST(GraphicsContextTest, DisplayList) |
| { |
| FloatRect rect(0, 0, 1, 1); |
| RefPtr<DisplayList> dl = adoptRef(new DisplayList(rect)); |
| |
| // picture() returns 0 initially |
| SkPicture* pic = dl->picture(); |
| EXPECT_FALSE(pic); |
| |
| // endRecording without a beginRecording does nothing |
| dl->endRecording(); |
| pic = dl->picture(); |
| EXPECT_FALSE(pic); |
| |
| // Two beginRecordings in a row generate two canvases. |
| // Unfortunately the new one could be allocated in the same |
| // spot as the old one so ref the first one to prolong its life. |
| IntSize size(1, 1); |
| SkCanvas* canvas1 = dl->beginRecording(size); |
| EXPECT_TRUE(canvas1); |
| canvas1->ref(); |
| SkCanvas* canvas2 = dl->beginRecording(size); |
| EXPECT_TRUE(canvas2); |
| |
| EXPECT_NE(canvas1, canvas2); |
| EXPECT_EQ(1, canvas1->getRefCnt()); |
| canvas1->unref(); |
| |
| EXPECT_TRUE(dl->isRecording()); |
| |
| // picture() returns 0 during recording |
| pic = dl->picture(); |
| EXPECT_FALSE(pic); |
| |
| // endRecording finally makes the picture accessible |
| dl->endRecording(); |
| pic = dl->picture(); |
| EXPECT_TRUE(pic); |
| EXPECT_EQ(1, pic->getRefCnt()); |
| } |
| |
| } // namespace |