| /* |
| * 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 "DumpRenderTree.h" |
| #include "PixelDumpSupportCG.h" |
| |
| #include "LayoutTestController.h" |
| #include <ImageIO/CGImageDestination.h> |
| #include <wtf/Assertions.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 |
| |
| #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()); |
| printf("Content-length: %lu\n", CFDataGetLength(imageData.get())); |
| fwrite(CFDataGetBytePtr(imageData.get()), 1, CFDataGetLength(imageData.get()), stdout); |
| } |
| |
| static void getMD5HashStringForBitmap(CGContextRef bitmap, char string[33]) |
| { |
| MD5_CTX md5Context; |
| unsigned char hash[16]; |
| |
| size_t bitsPerPixel = CGBitmapContextGetBitsPerPixel(bitmap); |
| ASSERT(bitsPerPixel == 32); // ImageDiff assumes 32 bit RGBA, we must as well. |
| size_t bytesPerPixel = bitsPerPixel / 8; |
| size_t pixelsHigh = CGBitmapContextGetHeight(bitmap); |
| size_t pixelsWide = CGBitmapContextGetWidth(bitmap); |
| size_t bytesPerRow = CGBitmapContextGetBytesPerRow(bitmap); |
| ASSERT(bytesPerRow >= (pixelsWide * bytesPerPixel)); |
| |
| MD5_Init(&md5Context); |
| unsigned char* bitmapData = static_cast<unsigned char*>(CGBitmapContextGetData(bitmap)); |
| for (unsigned row = 0; row < pixelsHigh; row++) { |
| MD5_Update(&md5Context, bitmapData, static_cast<unsigned>(pixelsWide * bytesPerPixel)); |
| bitmapData += bytesPerRow; |
| } |
| MD5_Final(hash, &md5Context); |
| |
| string[0] = '\0'; |
| for (int i = 0; i < 16; i++) |
| snprintf(string, 33, "%s%02x", string, hash[i]); |
| } |
| |
| void drawSelectionRect(CGContextRef context, const CGRect& rect) |
| { |
| CGContextSaveGState(context); |
| CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0); |
| CGContextStrokeRect(context, rect); |
| CGContextRestoreGState(context); |
| } |
| |
| void dumpWebViewAsPixelsAndCompareWithExpected(const char* /*currentTest*/, bool /*forceAllTestsToDumpPixels*/) |
| { |
| RetainPtr<CGContextRef> context = getBitmapContextFromWebView(); |
| |
| #if PLATFORM(MAC) |
| if (layoutTestController->testRepaint()) |
| repaintWebView(context.get(), layoutTestController->testRepaintSweepHorizontally()); |
| else |
| paintWebView(context.get()); |
| |
| if (layoutTestController->dumpSelectionRect()) |
| drawSelectionRect(context.get(), getSelectionRect()); |
| #endif |
| |
| // Compute the actual hash to compare to the expected image's hash. |
| char actualHash[33]; |
| getMD5HashStringForBitmap(context.get(), actualHash); |
| printf("\nActualHash: %s\n", actualHash); |
| |
| // FIXME: We should compare the actualHash to the expected hash here and |
| // only set dumpImage to true if they don't match, but DRT doesn't have |
| // enough information currently to find the expected checksum file. |
| bool dumpImage = true; |
| |
| if (dumpImage) { |
| RetainPtr<CGImageRef> image(AdoptCF, CGBitmapContextCreateImage(context.get())); |
| printPNG(image.get()); |
| } |
| |
| printf("#EOF\n"); |
| } |