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/*
* Copyright (C) 2011 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/Image.h"
#include "platform/graphics/GraphicsLayer.h"
#include "platform/graphics/skia/NativeImageSkia.h"
#include "wtf/PassOwnPtr.h"
#include <gtest/gtest.h>
using namespace blink;
namespace {
class MockGraphicsLayerClient : public GraphicsLayerClient {
public:
virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) override { }
virtual String debugName(const GraphicsLayer*) override { return String(); }
};
class TestImage : public Image {
public:
static PassRefPtr<TestImage> create(const IntSize& size, bool isOpaque)
{
return adoptRef(new TestImage(size, isOpaque));
}
explicit TestImage(const IntSize& size, bool isOpaque)
: Image(0)
, m_size(size)
{
SkBitmap bitmap;
bitmap.allocN32Pixels(size.width(), size.height(), isOpaque);
m_nativeImage = NativeImageSkia::create(bitmap);
}
virtual bool isBitmapImage() const override
{
return true;
}
virtual bool currentFrameKnownToBeOpaque() override
{
return m_nativeImage->bitmap().isOpaque();
}
virtual IntSize size() const override
{
return m_size;
}
virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() override
{
if (m_size.isZero())
return nullptr;
return m_nativeImage;
}
// Stub implementations of pure virtual Image functions.
virtual void destroyDecodedData(bool) override
{
}
virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, CompositeOperator, WebBlendMode) override
{
}
private:
IntSize m_size;
RefPtr<NativeImageSkia> m_nativeImage;
};
class GraphicsLayerForTesting : public GraphicsLayer {
public:
explicit GraphicsLayerForTesting(GraphicsLayerClient* client)
: GraphicsLayer(client) { };
virtual WebLayer* contentsLayer() const { return GraphicsLayer::contentsLayer(); }
};
TEST(ImageLayerChromiumTest, imageLayerContentReset)
{
MockGraphicsLayerClient client;
OwnPtr<GraphicsLayerForTesting> graphicsLayer = adoptPtr(new GraphicsLayerForTesting(&client));
ASSERT_TRUE(graphicsLayer.get());
ASSERT_FALSE(graphicsLayer->hasContentsLayer());
ASSERT_FALSE(graphicsLayer->contentsLayer());
RefPtr<Image> image = TestImage::create(IntSize(100, 100), false);
ASSERT_TRUE(image.get());
graphicsLayer->setContentsToImage(image.get());
ASSERT_TRUE(graphicsLayer->hasContentsLayer());
ASSERT_TRUE(graphicsLayer->contentsLayer());
graphicsLayer->setContentsToImage(0);
ASSERT_FALSE(graphicsLayer->hasContentsLayer());
ASSERT_FALSE(graphicsLayer->contentsLayer());
}
TEST(ImageLayerChromiumTest, opaqueImages)
{
MockGraphicsLayerClient client;
OwnPtr<GraphicsLayerForTesting> graphicsLayer = adoptPtr(new GraphicsLayerForTesting(&client));
ASSERT_TRUE(graphicsLayer.get());
RefPtr<Image> opaqueImage = TestImage::create(IntSize(100, 100), true /* opaque */);
ASSERT_TRUE(opaqueImage.get());
RefPtr<Image> nonOpaqueImage = TestImage::create(IntSize(100, 100), false /* opaque */);
ASSERT_TRUE(nonOpaqueImage.get());
ASSERT_FALSE(graphicsLayer->contentsLayer());
graphicsLayer->setContentsToImage(opaqueImage.get());
ASSERT_TRUE(graphicsLayer->contentsLayer()->opaque());
graphicsLayer->setContentsToImage(nonOpaqueImage.get());
ASSERT_FALSE(graphicsLayer->contentsLayer()->opaque());
}
} // namespace
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