Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/image-decoders/bmp/BMPImageDecoder.cpp

Index: Source/core/platform/image-decoders/bmp/BMPImageDecoder.cpp
diff --git a/Source/core/platform/image-decoders/bmp/BMPImageDecoder.cpp b/Source/core/platform/image-decoders/bmp/BMPImageDecoder.cpp
deleted file mode 100644
index 963c7690a1dd83a989b9eb92f1374191b020f67f..0000000000000000000000000000000000000000
--- a/Source/core/platform/image-decoders/bmp/BMPImageDecoder.cpp
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (c) 2008, 2009, 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 "core/platform/image-decoders/bmp/BMPImageDecoder.h"
-
-#include "platform/PlatformInstrumentation.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace WebCore {
-
-// Number of bits in .BMP used to store the file header (doesn't match
-// "sizeof(BMPImageDecoder::BitmapFileHeader)" since we omit some fields and
-// don't pack).
-static const size_t sizeOfFileHeader = 14;
-
-BMPImageDecoder::BMPImageDecoder(ImageSource::AlphaOption alphaOption,
-    ImageSource::GammaAndColorProfileOption gammaAndColorProfileOption,
-    size_t maxDecodedBytes)
-    : ImageDecoder(alphaOption, gammaAndColorProfileOption, maxDecodedBytes)
-    , m_decodedOffset(0)
-{
-}
-
-void BMPImageDecoder::setData(SharedBuffer* data, bool allDataReceived)
-{
-    if (failed())
-        return;
-
-    ImageDecoder::setData(data, allDataReceived);
-    if (m_reader)
-        m_reader->setData(data);
-}
-
-bool BMPImageDecoder::isSizeAvailable()
-{
-    if (!ImageDecoder::isSizeAvailable())
-        decode(true);
-
-    return ImageDecoder::isSizeAvailable();
-}
-
-ImageFrame* BMPImageDecoder::frameBufferAtIndex(size_t index)
-{
-    if (index)
-        return 0;
-
-    if (m_frameBufferCache.isEmpty()) {
-        m_frameBufferCache.resize(1);
-        m_frameBufferCache.first().setPremultiplyAlpha(m_premultiplyAlpha);
-    }
-
-    ImageFrame* buffer = &m_frameBufferCache.first();
-    if (buffer->status() != ImageFrame::FrameComplete) {
-        PlatformInstrumentation::willDecodeImage("BMP");
-        decode(false);
-        PlatformInstrumentation::didDecodeImage();
-    }
-    return buffer;
-}
-
-bool BMPImageDecoder::setFailed()
-{
-    m_reader.clear();
-    return ImageDecoder::setFailed();
-}
-
-void BMPImageDecoder::decode(bool onlySize)
-{
-    if (failed())
-        return;
-
-    // If we couldn't decode the image but we've received all the data, decoding
-    // has failed.
-    if (!decodeHelper(onlySize) && isAllDataReceived())
-        setFailed();
-    // If we're done decoding the image, we don't need the BMPImageReader
-    // anymore.  (If we failed, |m_reader| has already been cleared.)
-    else if (!m_frameBufferCache.isEmpty() && (m_frameBufferCache.first().status() == ImageFrame::FrameComplete))
-        m_reader.clear();
-}
-
-bool BMPImageDecoder::decodeHelper(bool onlySize)
-{
-    size_t imgDataOffset = 0;
-    if ((m_decodedOffset < sizeOfFileHeader) && !processFileHeader(&imgDataOffset))
-        return false;
-
-    if (!m_reader) {
-        m_reader = adoptPtr(new BMPImageReader(this, m_decodedOffset, imgDataOffset, false));
-        m_reader->setData(m_data.get());
-    }
-
-    if (!m_frameBufferCache.isEmpty())
-        m_reader->setBuffer(&m_frameBufferCache.first());
-
-    return m_reader->decodeBMP(onlySize);
-}
-
-bool BMPImageDecoder::processFileHeader(size_t* imgDataOffset)
-{
-    ASSERT(imgDataOffset);
-
-    // Read file header.
-    ASSERT(!m_decodedOffset);
-    if (m_data->size() < sizeOfFileHeader)
-        return false;
-    const uint16_t fileType = (m_data->data()[0] << 8) | static_cast<uint8_t>(m_data->data()[1]);
-    *imgDataOffset = readUint32(10);
-    m_decodedOffset = sizeOfFileHeader;
-
-    // See if this is a bitmap filetype we understand.
-    enum {
-        BMAP = 0x424D,  // "BM"
-        // The following additional OS/2 2.x header values (see
-        // http://www.fileformat.info/format/os2bmp/egff.htm ) aren't widely
-        // decoded, and are unlikely to be in much use.
-        /*
-        ICON = 0x4943,  // "IC"
-        POINTER = 0x5054,  // "PT"
-        COLORICON = 0x4349,  // "CI"
-        COLORPOINTER = 0x4350,  // "CP"
-        BITMAPARRAY = 0x4241,  // "BA"
-        */
-    };
-    return (fileType == BMAP) || setFailed();
-}
-
-} // namespace WebCore