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Unified Diff: Source/core/platform/graphics/GraphicsContextTest.cpp

Issue 99103006: Moving GraphicsContext and dependencies from core to platform. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Final patch - fixes Android Created 7 years ago
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Index: Source/core/platform/graphics/GraphicsContextTest.cpp
diff --git a/Source/core/platform/graphics/GraphicsContextTest.cpp b/Source/core/platform/graphics/GraphicsContextTest.cpp
deleted file mode 100644
index b53f27864c45a9e7d4dddfb25c4cbee07426a91d..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/GraphicsContextTest.cpp
+++ /dev/null
@@ -1,1123 +0,0 @@
-/*
- * 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 "core/platform/graphics/GraphicsContext.h"
-
-#include "SkCanvas.h"
-#include "core/platform/graphics/BitmapImage.h"
-#include "core/platform/graphics/ImageBuffer.h"
-#include "core/platform/graphics/skia/NativeImageSkia.h"
-#include "platform/graphics/DisplayList.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-
-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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
- Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
- SkBitmap opaqueBitmap;
- opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlphaType);
- opaqueBitmap.allocPixels();
-
- 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.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlphaType);
- alphaBitmap.allocPixels();
-
- 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.setAlpha(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.setAlpha(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.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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.drawEllipse(IntRect(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.drawEllipse(IntRect(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.drawEllipse(IntRect(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.drawEllipse(IntRect(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.drawEllipse(IntRect(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.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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.setConfig(SkBitmap::kARGB_8888_Config, width, height);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
- SkRect textRect = SkRect::MakeWH(width, height);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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);
- SkScalar pointX = 0;
- SkPath path;
- path.moveTo(SkPoint::Make(0, 0));
- path.lineTo(SkPoint::Make(100, 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.drawPosTextH("A", 1, &pointX, 0, textRect, opaquePaint);
- EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
- EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
-
- context.drawPosTextH("A", 1, &pointX, 0, 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.drawTextOnPath("A", 1, path, textRect, 0, opaquePaint);
- EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect());
- EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
-
- context.drawTextOnPath("A", 1, path, textRect, 0, alphaPaint);
- EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect());
- EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
-}
-
-TEST(GraphicsContextTest, trackOpaqueWritePixelsTest)
-{
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
- SkBitmap opaqueBitmap;
- opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlphaType);
- opaqueBitmap.allocPixels();
- for (int y = 0; y < opaqueBitmap.height(); ++y)
- for (int x = 0; x < opaqueBitmap.width(); ++x)
- *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
- SkBitmap alphaBitmap;
- alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlphaType);
- alphaBitmap.allocPixels();
- 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.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
- SkBitmap opaqueBitmap;
- opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlphaType);
- opaqueBitmap.allocPixels();
- for (int y = 0; y < opaqueBitmap.height(); ++y)
- for (int x = 0; x < opaqueBitmap.width(); ++x)
- *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
- SkBitmap alphaBitmap;
- alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlphaType);
- alphaBitmap.allocPixels();
- 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.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
- SkBitmap opaqueBitmap;
- opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlphaType);
- opaqueBitmap.allocPixels();
- for (int y = 0; y < opaqueBitmap.height(); ++y)
- for (int x = 0; x < opaqueBitmap.width(); ++x)
- *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
- SkBitmap alphaBitmap;
- alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlphaType);
- alphaBitmap.allocPixels();
- 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.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
-
- GraphicsContext context(&canvas);
- context.setTrackOpaqueRegion(true);
-
- 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());
-}
-
-#define DISPATCH(c1, c2, op, params) do { c1.op(params); c2.op(params); } while (0);
-
-TEST(GraphicsContextTest, RecordingTotalMatrix)
-{
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
- bitmap.allocPixels();
- bitmap.eraseColor(0);
- SkCanvas canvas(bitmap);
- GraphicsContext context(&canvas);
-
- SkBitmapDevice controlDevice(SkBitmap::kNo_Config, 400, 400);
- SkCanvas controlCanvas(&controlDevice);
- GraphicsContext controlContext(&controlCanvas);
-
- EXPECT_EQ(context.getCTM(), controlContext.getCTM());
- DISPATCH(context, controlContext, scale, FloatSize(2, 2));
- EXPECT_EQ(context.getCTM(), controlContext.getCTM());
-
- controlContext.save();
- context.beginRecording(FloatRect(0, 0, 200, 200));
- DISPATCH(context, controlContext, translate, FloatSize(10, 10));
- EXPECT_EQ(context.getCTM(), controlContext.getCTM());
-
- controlContext.save();
- context.beginRecording(FloatRect(10, 10, 100, 100));
- DISPATCH(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());
-}
-
-} // namespace
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