diff options
Diffstat (limited to 'WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp')
| -rw-r--r-- | WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp | 190 |
1 files changed, 93 insertions, 97 deletions
diff --git a/WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp b/WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp index 889b7b3..7de019d 100644 --- a/WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp +++ b/WebKitTools/DumpRenderTree/cairo/PixelDumpSupportCairo.cpp @@ -1,97 +1,93 @@ -/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- * (C) 2009 Brent Fulgham <bfulgham@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 "PixelDumpSupportCairo.h"
-
-#include "DumpRenderTree.h"
-#include "PixelDumpSupport.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"
-#endif
-
-using namespace std;
-
-static cairo_status_t writeFunction(void* closure, const unsigned char* data, unsigned int length)
-{
- Vector<unsigned char>* in = reinterpret_cast<Vector<unsigned char>*>(closure);
- in->append(data, length);
- return CAIRO_STATUS_SUCCESS;
-}
-
-static void printPNG(cairo_surface_t* image)
-{
- Vector<unsigned char> pixelData;
- // Only PNG output is supported for now.
- cairo_surface_write_to_png_stream(image, writeFunction, &pixelData);
-
- const size_t dataLength = pixelData.size();
- const unsigned char* data = pixelData.data();
-
- printPNG(data, dataLength);
-}
-
-void computeMD5HashStringForBitmapContext(BitmapContext* context, char hashString[33])
-{
- cairo_t* bitmapContext = context->cairoContext();
- cairo_surface_t* surface = cairo_get_target(bitmapContext);
-
- ASSERT(cairo_image_surface_get_format(surface) == CAIRO_FORMAT_ARGB32); // ImageDiff assumes 32 bit RGBA, we must as well.
-
- size_t pixelsHigh = cairo_image_surface_get_height(surface);
- size_t pixelsWide = cairo_image_surface_get_width(surface);
- size_t bytesPerRow = pixelsWide * cairo_image_surface_get_stride(surface);
-
- MD5_CTX md5Context;
- MD5_Init(&md5Context);
- unsigned char* bitmapData = static_cast<unsigned char*>(cairo_image_surface_get_data(surface));
- 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)
-{
- cairo_surface_t* surface = cairo_get_target(context->cairoContext());
- printPNG(surface);
-}
+/* + * Copyright (C) 2009 Apple Inc. All rights reserved. + * (C) 2009 Brent Fulgham <bfulgham@webkit.org> + * (C) 2010 Igalia S.L + * + * 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 "PixelDumpSupportCairo.h" + +#include "DumpRenderTree.h" +#include "PixelDumpSupport.h" +#include <algorithm> +#include <ctype.h> +#include <wtf/Assertions.h> +#include <wtf/MD5.h> +#include <wtf/RefPtr.h> +#include <wtf/StringExtras.h> + +using namespace std; + +static cairo_status_t writeFunction(void* closure, const unsigned char* data, unsigned int length) +{ + Vector<unsigned char>* in = reinterpret_cast<Vector<unsigned char>*>(closure); + in->append(data, length); + return CAIRO_STATUS_SUCCESS; +} + +static void printPNG(cairo_surface_t* image) +{ + Vector<unsigned char> pixelData; + // Only PNG output is supported for now. + cairo_surface_write_to_png_stream(image, writeFunction, &pixelData); + + const size_t dataLength = pixelData.size(); + const unsigned char* data = pixelData.data(); + + printPNG(data, dataLength); +} + +void computeMD5HashStringForBitmapContext(BitmapContext* context, char hashString[33]) +{ + cairo_t* bitmapContext = context->cairoContext(); + cairo_surface_t* surface = cairo_get_target(bitmapContext); + + ASSERT(cairo_image_surface_get_format(surface) == CAIRO_FORMAT_ARGB32); // ImageDiff assumes 32 bit RGBA, we must as well. + + size_t pixelsHigh = cairo_image_surface_get_height(surface); + size_t pixelsWide = cairo_image_surface_get_width(surface); + size_t bytesPerRow = cairo_image_surface_get_stride(surface); + + MD5 md5Context; + unsigned char* bitmapData = static_cast<unsigned char*>(cairo_image_surface_get_data(surface)); + for (unsigned row = 0; row < pixelsHigh; row++) { + md5Context.addBytes(bitmapData, 4 * pixelsWide); + bitmapData += bytesPerRow; + } + Vector<uint8_t, 16> hash; + md5Context.checksum(hash); + + snprintf(hashString, 33, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", + hash[0], hash[1], hash[2], hash[3], hash[4], hash[5], hash[6], hash[7], + hash[8], hash[9], hash[10], hash[11], hash[12], hash[13], hash[14], hash[15]); +} + +void dumpBitmap(BitmapContext* context) +{ + cairo_surface_t* surface = cairo_get_target(context->cairoContext()); + printPNG(surface); +} |