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

Source/WebCore/platform/win/DragImageCGWin.cpp

Index: Source/WebCore/platform/win/DragImageCGWin.cpp
diff --git a/Source/WebCore/platform/win/DragImageCGWin.cpp b/Source/WebCore/platform/win/DragImageCGWin.cpp
deleted file mode 100644
index 93025b7f950c97027727d3202721d714ad0ff9a6..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/win/DragImageCGWin.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2007, 2008 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 "DragImage.h"
-
-#include "BitmapInfo.h"
-#include "CachedImage.h"
-#include "GraphicsContextCG.h"
-#include "HWndDC.h"
-#include "Image.h"
-
-#include <CoreGraphics/CoreGraphics.h>
-#include <wtf/RetainPtr.h>
-
-#include <windows.h>
-
-namespace WebCore {
-
-void deallocContext(CGContextRef target)
-{
-    CGContextRelease(target);
-}
-
-HBITMAP allocImage(HDC dc, IntSize size, CGContextRef *targetRef)
-{
-    BitmapInfo bmpInfo = BitmapInfo::create(size);
-
-    LPVOID bits;
-    HBITMAP hbmp = CreateDIBSection(dc, &bmpInfo, DIB_RGB_COLORS, &bits, 0, 0);
-
-    if (!targetRef)
-        return hbmp;
-
-    CGContextRef bitmapContext = CGBitmapContextCreate(bits, bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight, 8,
-                                                       bmpInfo.bmiHeader.biWidth * 4, deviceRGBColorSpaceRef(),
-                                                       kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst);
-    if (!bitmapContext) {
-        DeleteObject(hbmp);
-        return 0;
-    }
-
-    *targetRef = bitmapContext;
-    return hbmp;
-}
-
-static CGContextRef createCgContextFromBitmap(HBITMAP bitmap)
-{
-    BITMAP info;
-    GetObject(bitmap, sizeof(info), &info);
-    ASSERT(info.bmBitsPixel == 32);
-
-    CGContextRef bitmapContext = CGBitmapContextCreate(info.bmBits, info.bmWidth, info.bmHeight, 8,
-                                                       info.bmWidthBytes, deviceRGBColorSpaceRef(), kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst);
-    return bitmapContext;
-}
-
-DragImageRef scaleDragImage(DragImageRef image, FloatSize scale)
-{
-    // FIXME: due to the way drag images are done on windows we need 
-    // to preprocess the alpha channel <rdar://problem/5015946>
-
-    if (!image)
-        return 0;
-    CGContextRef targetContext;
-    CGContextRef srcContext;
-    CGImageRef srcImage;
-    IntSize srcSize = dragImageSize(image);
-    IntSize dstSize(static_cast<int>(srcSize.width() * scale.width()), static_cast<int>(srcSize.height() * scale.height()));
-    HBITMAP hbmp = 0;
-    HWndDC dc(0);
-    HDC dstDC = CreateCompatibleDC(dc);
-    if (!dstDC)
-        goto exit;
-
-    hbmp = allocImage(dstDC, dstSize, &targetContext);
-    if (!hbmp)
-        goto exit;
-
-    srcContext = createCgContextFromBitmap(image);
-    srcImage = CGBitmapContextCreateImage(srcContext);
-    CGRect rect;
-    rect.origin.x = 0;
-    rect.origin.y = 0;
-    rect.size = dstSize;
-    CGContextDrawImage(targetContext, rect, srcImage);
-    CGImageRelease(srcImage);
-    CGContextRelease(srcContext);
-    CGContextRelease(targetContext);
-    ::DeleteObject(image);
-    image = 0;
-
-exit:
-    if (!hbmp)
-        hbmp = image;
-    if (dstDC)
-        DeleteDC(dstDC);
-    return hbmp;
-}
-    
-DragImageRef createDragImageFromImage(Image* img, RespectImageOrientationEnum)
-{
-    HBITMAP hbmp = 0;
-    HWndDC dc(0);
-    HDC workingDC = CreateCompatibleDC(dc);
-    CGContextRef drawContext = 0;
-    if (!workingDC)
-        goto exit;
-
-    hbmp = allocImage(workingDC, img->size(), &drawContext);
-
-    if (!hbmp)
-        goto exit;
-
-    if (!drawContext) {
-        ::DeleteObject(hbmp);
-        hbmp = 0;
-    }
-
-    CGImageRef srcImage = img->getCGImageRef();
-    CGRect rect;
-    rect.size = img->size();
-    rect.origin.x = 0;
-    rect.origin.y = -rect.size.height;
-    static const CGFloat white [] = {1.0, 1.0, 1.0, 1.0};
-    CGContextScaleCTM(drawContext, 1, -1);
-    CGContextSetFillColor(drawContext, white);
-    CGContextFillRect(drawContext, rect);
-    if (srcImage) {
-        CGContextSetBlendMode(drawContext, kCGBlendModeNormal);
-        CGContextDrawImage(drawContext, rect, srcImage);
-    }
-    CGContextRelease(drawContext);
-
-exit:
-    if (workingDC)
-        DeleteDC(workingDC);
-    return hbmp;
-}
-    
-}