/* * Copyright (C) 2011 Apple Inc. All rights reserved. * Copyright (C) 2008 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. ``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 * 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. */ #pragma once #include "Image.h" #include <JavaScriptCore/Uint8ClampedArray.h> #include <wtf/CheckedArithmetic.h> #include <wtf/RefPtr.h> #include <wtf/RetainPtr.h> #include <wtf/Vector.h> #if PLATFORM(COCOA) && USE(CA) && !PLATFORM(IOS_SIMULATOR) #define USE_IOSURFACE_CANVAS_BACKING_STORE 1 #endif typedef struct CGColorSpace *CGColorSpaceRef; typedef struct CGDataProvider *CGDataProviderRef; typedef uint32_t CGBitmapInfo; namespace WebCore { class IOSurface; struct ImageBufferData { IntSize backingStoreSize; Checked<unsigned, RecordOverflow> bytesPerRow; CGColorSpaceRef colorSpace; // Only for software ImageBuffers. void* data { nullptr }; RetainPtr<CGDataProviderRef> dataProvider; CGBitmapInfo bitmapInfo; std::unique_ptr<GraphicsContext> context; #if USE(IOSURFACE_CANVAS_BACKING_STORE) // Only for accelerated ImageBuffers. std::unique_ptr<IOSurface> surface; #endif Vector<uint8_t> toBGRAData(bool accelerateRendering, int width, int height) const; RefPtr<Uint8ClampedArray> getData(AlphaPremultiplication, const IntRect&, const IntSize&, bool accelerateRendering) const; void putData(const Uint8ClampedArray& source, AlphaPremultiplication sourceFormat, const IntSize& sourceSize, const IntRect& sourceRect, const IntPoint& destPoint, const IntSize&, bool accelerateRendering); }; } // namespace WebCore