1/* 2 * Copyright (c) 2013, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "core/page/ImageBitmap.h" 33 34#include "core/dom/Document.h" 35#include "core/html/HTMLImageElement.h" 36#include "core/loader/cache/ImageResource.h" 37#include "core/platform/graphics/BitmapImage.h" 38#include "core/platform/graphics/skia/NativeImageSkia.h" 39 40#include <gtest/gtest.h> 41 42namespace WebCore { 43 44class ImageBitmapTest : public ::testing::Test { 45}; 46 47// Verifies that the cached image held by an ImageBitmap is the same as the 48// one held by the HTMLImageElement. 49TEST_F(ImageBitmapTest, ImageResourceConsistency) 50{ 51 SkBitmap bitmap; 52 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10); 53 bitmap.allocPixels(); 54 bitmap.eraseColor(0xFFFFFFFF); 55 56 RefPtr<HTMLImageElement> imageElement = HTMLImageElement::create(Document::create().get()); 57 imageElement->setImageResource(new ImageResource(BitmapImage::create(NativeImageSkia::create(bitmap)).get())); 58 59 RefPtr<ImageBitmap> imageBitmapNoCrop = ImageBitmap::create(imageElement.get(), IntRect(0, 0, bitmap.width(), bitmap.height())); 60 RefPtr<ImageBitmap> imageBitmapInteriorCrop = ImageBitmap::create(imageElement.get(), IntRect(bitmap.width() / 2, bitmap.height() / 2, bitmap.width() / 2, bitmap.height() / 2)); 61 RefPtr<ImageBitmap> imageBitmapExteriorCrop = ImageBitmap::create(imageElement.get(), IntRect(-bitmap.width() / 2, -bitmap.height() / 2, bitmap.width(), bitmap.height())); 62 RefPtr<ImageBitmap> imageBitmapOutsideCrop = ImageBitmap::create(imageElement.get(), IntRect(-bitmap.width(), -bitmap.height(), bitmap.width(), bitmap.height())); 63 64 ASSERT_EQ(imageBitmapNoCrop->bitmapImage().get(), imageElement->cachedImage()->image()); 65 ASSERT_EQ(imageBitmapInteriorCrop->bitmapImage().get(), imageElement->cachedImage()->image()); 66 ASSERT_EQ(imageBitmapExteriorCrop->bitmapImage().get(), imageElement->cachedImage()->image()); 67 68 RefPtr<Image> emptyImage = imageBitmapOutsideCrop->bitmapImage(); 69 ASSERT_NE(emptyImage.get(), imageElement->cachedImage()->image()); 70} 71 72} // namespace 73