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Diffstat (limited to 'WebCore/platform/graphics/wx/ImageSourceWx.cpp')
| -rw-r--r-- | WebCore/platform/graphics/wx/ImageSourceWx.cpp | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/WebCore/platform/graphics/wx/ImageSourceWx.cpp b/WebCore/platform/graphics/wx/ImageSourceWx.cpp deleted file mode 100644 index 3ce4f2a..0000000 --- a/WebCore/platform/graphics/wx/ImageSourceWx.cpp +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 2006, 2007 Apple Computer, Kevin Ollivier. 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 COMPUTER, 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 COMPUTER, 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. - */ - -#include "config.h" -#include "ImageSource.h" - -#include "BMPImageDecoder.h" -#include "GIFImageDecoder.h" -#include "ICOImageDecoder.h" -#include "JPEGImageDecoder.h" -#include "PNGImageDecoder.h" -#include "SharedBuffer.h" -#include "XBMImageDecoder.h" - -#include <wx/defs.h> -#include <wx/bitmap.h> -#include <wx/image.h> -#include <wx/rawbmp.h> - -namespace WebCore { - -ImageDecoder* createDecoder(const SharedBuffer& data) -{ - // We need at least 4 bytes to figure out what kind of image we're dealing with. - int length = data.size(); - if (length < 4) - return 0; - - const unsigned char* uContents = (const unsigned char*)data.data(); - const char* contents = data.data(); - - // GIFs begin with GIF8(7 or 9). - if (strncmp(contents, "GIF8", 4) == 0) - return new GIFImageDecoder(); - - // Test for PNG. - if (uContents[0]==0x89 && - uContents[1]==0x50 && - uContents[2]==0x4E && - uContents[3]==0x47) - return new PNGImageDecoder(); - - // JPEG - if (uContents[0]==0xFF && - uContents[1]==0xD8 && - uContents[2]==0xFF) - return new JPEGImageDecoder(); - - // BMP - if (strncmp(contents, "BM", 2) == 0) - return new BMPImageDecoder(); - - // ICOs always begin with a 2-byte 0 followed by a 2-byte 1. - // CURs begin with 2-byte 0 followed by 2-byte 2. - if (!memcmp(contents, "\000\000\001\000", 4) || - !memcmp(contents, "\000\000\002\000", 4)) - return new ICOImageDecoder(); - - // XBMs require 8 bytes of info. - if (length >= 8 && strncmp(contents, "#define ", 8) == 0) - return new XBMImageDecoder(); - - // Give up. We don't know what the heck this is. - return 0; -} - -ImageSource::ImageSource() - : m_decoder(0) -{} - -ImageSource::~ImageSource() -{ - delete m_decoder; -} - -bool ImageSource::initialized() const -{ - return m_decoder; -} - -void ImageSource::setData(SharedBuffer* data, bool allDataReceived) -{ - // Make the decoder by sniffing the bytes. - // This method will examine the data and instantiate an instance of the appropriate decoder plugin. - // If insufficient bytes are available to determine the image type, no decoder plugin will be - // made. - m_decoder = createDecoder(*data); - if (!m_decoder) - return; - m_decoder->setData(data, allDataReceived); -} - -bool ImageSource::isSizeAvailable() -{ - if (!m_decoder) - return false; - - return m_decoder->isSizeAvailable(); -} - -IntSize ImageSource::size() const -{ - if (!m_decoder) - return IntSize(); - - return m_decoder->size(); -} - -IntSize ImageSource::frameSizeAtIndex(size_t) const -{ - return size(); -} - -int ImageSource::repetitionCount() -{ - if (!m_decoder) - return cAnimationNone; - - return m_decoder->repetitionCount(); -} - -size_t ImageSource::frameCount() const -{ - return m_decoder ? m_decoder->frameCount() : 0; -} - -bool ImageSource::frameIsCompleteAtIndex(size_t index) -{ - // FIXME: should we be testing the RGBA32Buffer's status as well? - return (m_decoder && m_decoder->frameBufferAtIndex(index) != 0); -} - -void ImageSource::clear() -{ - delete m_decoder; - m_decoder = 0; -} - -NativeImagePtr ImageSource::createFrameAtIndex(size_t index) -{ - if (!m_decoder) - return 0; - - RGBA32Buffer* buffer = m_decoder->frameBufferAtIndex(index); - if (!buffer || buffer->status() == RGBA32Buffer::FrameEmpty) - return 0; - - IntRect imageRect = buffer->rect(); - unsigned char* bytes = (unsigned char*)buffer->bytes().data(); - long colorSize = buffer->bytes().size(); - - typedef wxPixelData<wxBitmap, wxAlphaPixelFormat> PixelData; - - int width = size().width(); - int height = size().height(); - - wxBitmap* bmp = new wxBitmap(width, height, 32); - PixelData data(*bmp); - - int rowCounter = 0; - long pixelCounter = 0; - - PixelData::Iterator p(data); - - PixelData::Iterator rowStart = p; - - // NB: It appears that the data is in BGRA format instead of RGBA format. - // This code works properly on both ppc and intel, meaning the issue is - // likely not an issue of byte order getting mixed up on different archs. - for (long i = 0; i < buffer->bytes().size()*4; i+=4) { - p.Red() = bytes[i+2]; - p.Green() = bytes[i+1]; - p.Blue() = bytes[i+0]; - p.Alpha() = bytes[i+3]; - - p++; - - pixelCounter++; - if ( (pixelCounter % width ) == 0 ) { - rowCounter++; - p = rowStart; - p.MoveTo(data, 0, rowCounter); - } - - } - - bmp->UseAlpha(); - ASSERT(bmp->IsOk()); - return bmp; -} - -float ImageSource::frameDurationAtIndex(size_t index) -{ - if (!m_decoder) - return 0; - - RGBA32Buffer* buffer = m_decoder->frameBufferAtIndex(index); - if (!buffer || buffer->status() == RGBA32Buffer::FrameEmpty) - return 0; - - float duration = buffer->duration() / 1000.0f; - - // Follow other ports (and WinIE's) behavior to slow annoying ads that - // specify a 0 duration. - if (duration < 0.051f) - return 0.100f; - return duration; -} - -bool ImageSource::frameHasAlphaAtIndex(size_t index) -{ - if (!m_decoder || !m_decoder->supportsAlpha()) - return false; - - RGBA32Buffer* buffer = m_decoder->frameBufferAtIndex(index); - if (!buffer || buffer->status() == RGBA32Buffer::FrameEmpty) - return false; - - return buffer->hasAlpha(); -} - -} |