/* * Copyright (c) 2013, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT * OWNER OR 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/ImageBufferSurface.h" #include "platform/graphics/ImageBuffer.h" #include "third_party/skia/include/core/SkCanvas.h" #include "third_party/skia/include/core/SkDevice.h" namespace WebCore { ImageBufferSurface::ImageBufferSurface(const IntSize& size, OpacityMode opacityMode) : m_opacityMode(opacityMode) , m_size(size) { setIsHidden(false); } void ImageBufferSurface::clear() { // Clear the background transparent or opaque, as required. It would be nice if this wasn't // required, but the canvas is currently filled with the magic transparency // color. Can we have another way to manage this? if (isValid()) { if (m_opacityMode == Opaque) canvas()->drawARGB(255, 0, 0, 0, SkXfermode::kSrc_Mode); else canvas()->drawARGB(0, 0, 0, 0, SkXfermode::kClear_Mode); } } const SkBitmap& ImageBufferSurface::bitmap() const { ASSERT(canvas()); return canvas()->getTopDevice()->accessBitmap(false); } const SkBitmap& ImageBufferSurface::cachedBitmap() const { DEFINE_STATIC_LOCAL(SkBitmap, nullBitmap, ()); return nullBitmap; } } // namespace WebCore