WebKitTools/DumpRenderTree/cg/PixelDumpSupportCG.cpp
changeset 2 303757a437d3
parent 0 4f2f89ce4247
--- a/WebKitTools/DumpRenderTree/cg/PixelDumpSupportCG.cpp	Fri Sep 17 09:02:29 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
- *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
- *           (C) 2007 Eric Seidel <eric@webkit.org>
- *
- * 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "PixelDumpSupportCG.h"
-
-#include "DumpRenderTree.h"
-#include "PixelDumpSupport.h"
-#include <ImageIO/CGImageDestination.h>
-#include <algorithm>
-#include <ctype.h>
-#include <wtf/Assertions.h>
-#include <wtf/RefPtr.h>
-#include <wtf/RetainPtr.h>
-#include <wtf/StringExtras.h>
-
-#if PLATFORM(WIN)
-#include "MD5.h"
-#elif PLATFORM(MAC)
-#include <LaunchServices/UTCoreTypes.h>
-#define COMMON_DIGEST_FOR_OPENSSL
-#include <CommonCrypto/CommonDigest.h>
-#endif
-
-using namespace std;
-
-#if PLATFORM(WIN)
-static const CFStringRef kUTTypePNG = CFSTR("public.png");
-#endif
-
-static void printPNG(CGImageRef image)
-{
-    RetainPtr<CFMutableDataRef> imageData(AdoptCF, CFDataCreateMutable(0, 0));
-    RetainPtr<CGImageDestinationRef> imageDest(AdoptCF, CGImageDestinationCreateWithData(imageData.get(), kUTTypePNG, 1, 0));
-    CGImageDestinationAddImage(imageDest.get(), image, 0);
-    CGImageDestinationFinalize(imageDest.get());
-
-    const UInt8* data = CFDataGetBytePtr(imageData.get());
-    CFIndex dataLength = CFDataGetLength(imageData.get());
-
-    printPNG(static_cast<const unsigned char*>(data), static_cast<size_t>(dataLength));
-}
-
-void computeMD5HashStringForBitmapContext(BitmapContext* context, char hashString[33])
-{
-    CGContextRef bitmapContext = context->cgContext();
-
-    ASSERT(CGBitmapContextGetBitsPerPixel(bitmapContext) == 32); // ImageDiff assumes 32 bit RGBA, we must as well.
-    size_t pixelsHigh = CGBitmapContextGetHeight(bitmapContext);
-    size_t pixelsWide = CGBitmapContextGetWidth(bitmapContext);
-    size_t bytesPerRow = CGBitmapContextGetBytesPerRow(bitmapContext);
-
-    // We need to swap the bytes to ensure consistent hashes independently of endianness
-    MD5_CTX md5Context;
-    MD5_Init(&md5Context);
-    unsigned char* bitmapData = static_cast<unsigned char*>(CGBitmapContextGetData(bitmapContext));
-#if PLATFORM(MAC)
-    if ((CGBitmapContextGetBitmapInfo(bitmapContext) & kCGBitmapByteOrderMask) == kCGBitmapByteOrder32Big) {
-        for (unsigned row = 0; row < pixelsHigh; row++) {
-            uint32_t buffer[pixelsWide];
-            for (unsigned column = 0; column < pixelsWide; column++)
-                buffer[column] = OSReadLittleInt32(bitmapData, 4 * column);
-            MD5_Update(&md5Context, buffer, 4 * pixelsWide);
-            bitmapData += bytesPerRow;
-        }
-    } else
-#endif
-    {
-        for (unsigned row = 0; row < pixelsHigh; row++) {
-            MD5_Update(&md5Context, bitmapData, 4 * pixelsWide);
-            bitmapData += bytesPerRow;
-        }
-    }
-    unsigned char hash[16];
-    MD5_Final(hash, &md5Context);
-
-    hashString[0] = '\0';
-    for (int i = 0; i < 16; i++)
-        snprintf(hashString, 33, "%s%02x", hashString, hash[i]);
-}
-
-void dumpBitmap(BitmapContext* context)
-{
-    RetainPtr<CGImageRef> image(AdoptCF, CGBitmapContextCreateImage(context->cgContext()));
-    printPNG(image.get());
-}