WebCore: Remove PLATFORM(WIN) files we do not use.

Source/WebCore/platform/graphics/win/QTDecompressionSession.cpp

-/*
- * Copyright (C) 2010 Apple, 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 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 "QTDecompressionSession.h"
-
-#include <ImageCompression.h>
-#include <algorithm>
-
-class QTDecompressionSessionClient {
-public:
-    static void trackingCallback(void *decompressionTrackingRefCon, OSStatus, 
-        ICMDecompressionTrackingFlags decompressionTrackingFlags, CVPixelBufferRef pixelBuffer, 
-        TimeValue64, TimeValue64, ICMValidTimeFlags, void *, void *)
-    {
-        QTDecompressionSession* session = static_cast<QTDecompressionSession*>(decompressionTrackingRefCon);
-        ASSERT(session);
-
-        if (decompressionTrackingFlags & kICMDecompressionTracking_FrameDecoded)
-            session->m_latestFrame = QTPixelBuffer(pixelBuffer);
-    }
-};
-
-PassOwnPtr<QTDecompressionSession> QTDecompressionSession::create(unsigned long pixelFormat, size_t width, size_t height)
-{
-    return adoptPtr(new QTDecompressionSession(pixelFormat, width, height));
-}
-
-QTDecompressionSession::QTDecompressionSession(unsigned long pixelFormat, size_t width, size_t height)
-    : m_session(0)
-    , m_pixelFormat(pixelFormat)
-    , m_width(width)
-    , m_height(height)
-{
-    initializeSession();
-}
-
-QTDecompressionSession::~QTDecompressionSession()
-{
-    if (m_session)
-        ICMDecompressionSessionRelease(m_session);
-}
-
-void QTDecompressionSession::initializeSession()
-{
-    if (m_session)
-        return;
-
-    ICMPixelFormatInfo pixelFormatInfo = {sizeof(ICMPixelFormatInfo), 0};
-    if (ICMGetPixelFormatInfo(m_pixelFormat, &pixelFormatInfo) != noErr) {
-        // The ICM does not know anything about the pixelFormat contained in
-        // the pixel buffer, so it won't be able to convert it to RGBA.  
-        return;
-    }
-
-    // The depth and cType fields of the ImageDescriptionHandle are filled 
-    // out according to the instructions in Technical Q&A QA1183: 
-    // http://developer.apple.com/library/mac/#qa/qa2001/qa1183.html
-    bool isIndexed = pixelFormatInfo.formatFlags & kICMPixelFormatIsIndexed;
-    bool isQD = pixelFormatInfo.formatFlags & kICMPixelFormatIsSupportedByQD;
-    bool isMonochrome = pixelFormatInfo.formatFlags & kICMPixelFormatIsMonochrome;
-    bool hasAlpha = pixelFormatInfo.formatFlags & kICMPixelFormatHasAlphaChannel;
-
-    unsigned int depth = 24; // The default depth is 24.
-    if (hasAlpha)
-        depth = 32; // Any pixel format with alpha gets a depth of 32.
-    else if (isMonochrome) {
-        // Grayscale pixel formats get depths 33 through 40, depending
-        // on their bits per pixel. Yes, this means that 16-bit grayscale
-        // and 8-bit grayscale have the same pixel depth.
-        depth = 32 + std::min<unsigned int>(8, pixelFormatInfo.bitsPerPixel[0]);
-    } else if (isIndexed) {
-        // Indexed pixel formats get a depth of 1 through 8, depending on
-        // the their bits per pixel.
-        depth = pixelFormatInfo.bitsPerPixel[0]; 
-    }
-
-    // If QuickDraw supports the given pixel format, the cType should be kRawCodecType.
-    // Otherwise, use the pixel format code for the cType.  We are assuming the pixel 
-    // buffer is uncompressed.
-    unsigned long cType = isQD ? kRawCodecType : m_pixelFormat;
-
-    ImageDescriptionHandle description = (ImageDescriptionHandle)NewHandleClear(sizeof(ImageDescription));
-    (**description).idSize = sizeof(ImageDescription);
-    (**description).cType = cType;
-    (**description).version = 2;
-    (**description).spatialQuality = codecLosslessQuality;
-    (**description).width = m_width;
-    (**description).height = m_height;
-    (**description).hRes = 72 << 16; // 72 DPI as a fixed-point number
-    (**description).vRes = 72 << 16; // 72 DPI as a fixed-point number
-    (**description).frameCount = 1;
-    (**description).depth =  depth;
-    (**description).clutID = -1;
-
-    // Create the mandatory ICMDecompressionSessionOptions, but leave
-    // all the default values.
-    ICMDecompressionSessionOptionsRef options = 0;
-    ICMDecompressionSessionOptionsCreate(kCFAllocatorDefault, &options);
-
-    CFDictionaryRef pixelBufferAttributes = QTPixelBuffer::createPixelBufferAttributesDictionary(QTPixelBuffer::ConfigureForCGImage);
-
-    ICMDecompressionTrackingCallbackRecord callback = {
-        QTDecompressionSessionClient::trackingCallback,
-        this,
-    };
-
-    ICMDecompressionSessionCreate(kCFAllocatorDefault,
-        description,
-        options,
-        pixelBufferAttributes,
-        &callback,
-        &m_session);
-
-    if (pixelBufferAttributes)
-        CFRelease(pixelBufferAttributes);
-
-    ICMDecompressionSessionOptionsRelease(options);
-    DisposeHandle((Handle)description);
-}
-
-bool QTDecompressionSession::canDecompress(QTPixelBuffer inBuffer)
-{
-    return m_session 
-        && inBuffer.pixelFormatType() == m_pixelFormat 
-        && inBuffer.width() == m_width
-        && inBuffer.height() == m_height;
-}
-
-QTPixelBuffer QTDecompressionSession::decompress(QTPixelBuffer inBuffer)
-{
-    if (!canDecompress(inBuffer))
-        return QTPixelBuffer();
-    
-    inBuffer.lockBaseAddress();
-    ICMDecompressionSessionDecodeFrame(m_session,
-        static_cast<UInt8*>(inBuffer.baseAddress()),
-        inBuffer.dataSize(),
-        0, // frameOptions
-        0, // frameTime
-        0); // sourceFrameRefCon
-
-    // Because we passed in 0 for frameTime, the above function
-    // is synchronous, and the client callback will have been
-    // called before the function returns, and m_latestFrame
-    // will contain the newly decompressed frame.
-    return m_latestFrame;
-}