| /* |
| * 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/chromium/OpaqueRectTrackingContentLayerDelegate.h" |
| |
| #include "core/platform/graphics/GraphicsContext.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/graphics/Color.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "public/platform/WebFloatRect.h" |
| #include "public/platform/WebRect.h" |
| |
| #include <gtest/gtest.h> |
| |
| using WebKit::WebRect; |
| using WebKit::WebFloatRect; |
| using namespace WebCore; |
| |
| namespace { |
| |
| struct PaintCallback { |
| virtual void operator()(GraphicsContext&, const IntRect&) = 0; |
| }; |
| |
| class TestLayerPainterChromium : public GraphicsContextPainter { |
| public: |
| TestLayerPainterChromium(PaintCallback& callback) : m_callback(callback) { } |
| |
| virtual void paint(GraphicsContext& context, const IntRect& contentRect) OVERRIDE |
| { |
| m_callback(context, contentRect); |
| } |
| |
| private: |
| PaintCallback& m_callback; |
| }; |
| |
| // Paint callback functions |
| |
| struct PaintFillOpaque : public PaintCallback { |
| virtual void operator()(GraphicsContext& context, const IntRect& contentRect) OVERRIDE |
| { |
| Color opaque(255, 0, 0, 255); |
| IntRect top(contentRect.x(), contentRect.y(), contentRect.width(), contentRect.height() / 2); |
| IntRect bottom(contentRect.x(), contentRect.y() + contentRect.height() / 2, contentRect.width(), contentRect.height() / 2); |
| context.fillRect(top, opaque); |
| context.fillRect(bottom, opaque); |
| } |
| }; |
| |
| struct PaintFillAlpha : public PaintCallback { |
| virtual void operator()(GraphicsContext& context, const IntRect& contentRect) |
| { |
| Color alpha(0, 0, 0, 0); |
| context.fillRect(contentRect, alpha); |
| } |
| }; |
| |
| struct PaintFillPartialOpaque : public PaintCallback { |
| PaintFillPartialOpaque(IntRect opaqueRect) |
| : m_opaqueRect(opaqueRect) |
| { |
| } |
| |
| virtual void operator()(GraphicsContext& context, const IntRect& contentRect) |
| { |
| Color alpha(0, 0, 0, 0); |
| context.fillRect(contentRect, alpha); |
| |
| IntRect fillOpaque = m_opaqueRect; |
| fillOpaque.intersect(contentRect); |
| |
| Color opaque(255, 255, 255, 255); |
| context.fillRect(fillOpaque, opaque); |
| } |
| |
| IntRect m_opaqueRect; |
| }; |
| |
| #define EXPECT_EQ_RECT(a, b) \ |
| EXPECT_EQ(a.x, b.x); \ |
| EXPECT_EQ(a.width, b.width); \ |
| EXPECT_EQ(a.y, b.y); \ |
| EXPECT_EQ(a.height, b.height); |
| |
| class OpaqueRectTrackingContentLayerDelegateTest : public testing::Test { |
| public: |
| OpaqueRectTrackingContentLayerDelegateTest() |
| : m_skCanvas(adoptPtr(skia::CreateBitmapCanvas(canvasRect().width, canvasRect().height, false))) |
| { |
| } |
| |
| SkCanvas* skCanvas() { return m_skCanvas.get(); } |
| WebRect canvasRect() { return WebRect(0, 0, 400, 400); } |
| |
| private: |
| OwnPtr<SkCanvas> m_skCanvas; |
| }; |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testOpaqueRectPresentAfterOpaquePaint) |
| { |
| PaintFillOpaque fillOpaque; |
| TestLayerPainterChromium painter(fillOpaque); |
| |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| WebFloatRect opaqueRect; |
| delegate.paintContents(skCanvas(), canvasRect(), false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(0, 0, 400, 400), opaqueRect); |
| } |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testOpaqueRectNotPresentAfterNonOpaquePaint) |
| { |
| PaintFillAlpha fillAlpha; |
| TestLayerPainterChromium painter(fillAlpha); |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| WebFloatRect opaqueRect; |
| delegate.paintContents(skCanvas(), canvasRect(), false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(0, 0, 0, 0), opaqueRect); |
| } |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testOpaqueRectNotPresentForOpaqueLayerWithOpaquePaint) |
| { |
| PaintFillOpaque fillOpaque; |
| TestLayerPainterChromium painter(fillOpaque); |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| delegate.setOpaque(true); |
| |
| WebFloatRect opaqueRect; |
| delegate.paintContents(skCanvas(), canvasRect(), false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(0, 0, 0, 0), opaqueRect); |
| } |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testOpaqueRectNotPresentForOpaqueLayerWithNonOpaquePaint) |
| { |
| PaintFillOpaque fillAlpha; |
| TestLayerPainterChromium painter(fillAlpha); |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| delegate.setOpaque(true); |
| |
| WebFloatRect opaqueRect; |
| delegate.paintContents(skCanvas(), canvasRect(), false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(0, 0, 0, 0), opaqueRect); |
| } |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testPartialOpaqueRectNoTransform) |
| { |
| IntRect partialRect(100, 200, 50, 75); |
| PaintFillPartialOpaque fillPartial(partialRect); |
| TestLayerPainterChromium painter(fillPartial); |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| WebFloatRect opaqueRect; |
| delegate.paintContents(skCanvas(), canvasRect(), false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(partialRect.x(), partialRect.y(), partialRect.width(), partialRect.height()), opaqueRect); |
| } |
| |
| TEST_F(OpaqueRectTrackingContentLayerDelegateTest, testPartialOpaqueRectTranslation) |
| { |
| IntRect partialRect(100, 200, 50, 75); |
| PaintFillPartialOpaque fillPartial(partialRect); |
| TestLayerPainterChromium painter(fillPartial); |
| OpaqueRectTrackingContentLayerDelegate delegate(&painter); |
| |
| WebFloatRect opaqueRect; |
| WebRect contentRect(11, 12, 389, 388); |
| delegate.paintContents(skCanvas(), contentRect, false, opaqueRect); |
| EXPECT_EQ_RECT(WebFloatRect(partialRect.x(), partialRect.y(), partialRect.width(), partialRect.height()), opaqueRect); |
| } |
| |
| } // namespace |