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All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#ifndef WebImageDecoder_h 325267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#define WebImageDecoder_h 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "../platform/WebCommon.h" 355267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "../platform/WebImage.h" 365267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "../platform/WebNonCopyable.h" 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)namespace WebCore { class ImageDecoder; } 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 40926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)namespace WebKit { 41926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 425267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)typedef WebCore::ImageDecoder WebImageDecoderPrivate; 435267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)class WebData; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)class WebImageDecoder : public WebNonCopyable { 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 475267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) enum Type { 485267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) TypeBMP, 495267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) TypeICO 505267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) }; 515267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 525267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) ~WebImageDecoder() { reset(); } 535267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 545267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) explicit WebImageDecoder(Type type) { init(type); } 555267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 565267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Sets data contents for underlying decoder. All the API methods 575267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // require that setData() is called prior to their use. 585267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT void setData(const WebData& data, bool allDataReceived); 595267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 605267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Deletes owned decoder. 615267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT void reset(); 625267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 635267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Returns true if image decoding failed. 645267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT bool isFailed() const; 6502772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 665267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Returns true if size information is available for the decoder. 675267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT bool isSizeAvailable() const; 685267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 695267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Returns the size of the image. 705267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT WebSize size() const; 715267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) 725267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Gives frame count for the image. For multiple frames, decoder scans the image data for the count. 735267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT size_t frameCount() const; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 755267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Returns if the frame at given index is completely decoded. 765267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT bool isFrameCompleteAtIndex(int index) const; 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Creates and returns WebImage from buffer at the index. 795267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT WebImage getFrameAtIndex(int index) const; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 815267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)private: 825267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) // Creates type-specific decoder. 835267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WEBKIT_EXPORT void init(Type type); 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) WebImageDecoderPrivate* m_private; 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)} // namespace WebKit 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 91