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/*
* 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 "ContentLayerChromium.h"
#include "BitmapCanvasLayerTextureUpdater.h"
#include "CCLayerTreeTestCommon.h"
#include "GraphicsContext.h"
#include "OpaqueRectTrackingContentLayerDelegate.h"
#include "skia/ext/platform_canvas.h"
#include <gtest/gtest.h>
#include <public/WebFloatRect.h>
#include <public/WebRect.h>
#include <wtf/OwnPtr.h>
#include <wtf/RefPtr.h>
using namespace WebCore;
using namespace WebKit;
namespace {
class OpaqueRectDrawingGraphicsContextPainter : public GraphicsContextPainter {
public:
explicit OpaqueRectDrawingGraphicsContextPainter(const IntRect& opaqueRect, const IntRect& contentRect)
: m_opaqueRect(opaqueRect)
, m_contentRect(contentRect)
{
}
virtual ~OpaqueRectDrawingGraphicsContextPainter()
{
}
virtual void paint(GraphicsContext& context, const IntRect& clip) OVERRIDE
{
Color alpha(0, 0, 0, 0);
context.fillRect(m_contentRect, alpha, ColorSpaceDeviceRGB);
Color white(255, 255, 255, 255);
context.fillRect(m_opaqueRect, white, ColorSpaceDeviceRGB);
}
private:
IntRect m_opaqueRect;
IntRect m_contentRect;
};
class MockContentLayerDelegate : public ContentLayerDelegate {
public:
explicit MockContentLayerDelegate(OpaqueRectTrackingContentLayerDelegate* client)
: m_client(client)
{
}
virtual void paintContents(SkCanvas* canvas, const IntRect& clip, FloatRect& opaque) OVERRIDE
{
WebFloatRect resultingOpaqueRect(opaque.x(), opaque.y(), opaque.width(), opaque.height());
WebRect webClipRect(clip.x(), clip.y(), clip.width(), clip.height());
m_client->paintContents(canvas, webClipRect, resultingOpaqueRect);
opaque = FloatRect(resultingOpaqueRect.x, resultingOpaqueRect.y, resultingOpaqueRect.width, resultingOpaqueRect.height);
}
private:
OpaqueRectTrackingContentLayerDelegate* m_client;
};
TEST(ContentLayerChromiumTest, ContentLayerPainterWithDeviceScale)
{
float contentsScale = 2;
IntRect contentRect(10, 10, 100, 100);
IntRect opaqueRectInLayerSpace(5, 5, 20, 20);
IntRect opaqueRectInContentSpace = opaqueRectInLayerSpace;
opaqueRectInContentSpace.scale(contentsScale);
OwnPtr<SkCanvas> canvas = adoptPtr(skia::CreateBitmapCanvas(contentRect.width(), contentRect.height(), false));
OpaqueRectDrawingGraphicsContextPainter painter(opaqueRectInLayerSpace, contentRect);
OpaqueRectTrackingContentLayerDelegate opaqueRectTrackingContentLayerDelegate(&painter);
MockContentLayerDelegate delegate(&opaqueRectTrackingContentLayerDelegate);
RefPtr<BitmapCanvasLayerTextureUpdater> updater = BitmapCanvasLayerTextureUpdater::create(ContentLayerPainter::create(&delegate), false);
IntRect resultingOpaqueRect;
updater->prepareToUpdate(contentRect, IntSize(256, 256), contentsScale, contentsScale, resultingOpaqueRect);
EXPECT_INT_RECT_EQ(opaqueRectInContentSpace, resultingOpaqueRect);
}
} // namespace
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