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/*
* Copyright (C) 2009 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.
* 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 "PixelDumpSupport.h"
#include "DumpRenderTree.h"
#include "LayoutTestController.h"
#include <cstdio>
#include <wtf/Assertions.h>
#include <wtf/RefPtr.h>
#if PLATFORM(CG)
#include "PixelDumpSupportCG.h"
#elif PLATFORM(CAIRO)
#include "PixelDumpSupportCairo.h"
#endif
void dumpWebViewAsPixelsAndCompareWithExpected(const std::string& expectedHash)
{
RefPtr<BitmapContext> context;
#if PLATFORM(MAC)
if (gLayoutTestController->isPrinting())
context = createPagedBitmapContext();
else
#endif
context = createBitmapContextFromWebView(gLayoutTestController->testOnscreen(), gLayoutTestController->testRepaint(), gLayoutTestController->testRepaintSweepHorizontally(), gLayoutTestController->dumpSelectionRect());
ASSERT(context);
// Compute the hash of the bitmap context pixels
char actualHash[33];
computeMD5HashStringForBitmapContext(context.get(), actualHash);
printf("\nActualHash: %s\n", actualHash);
// Check the computed hash against the expected one and dump image on mismatch
bool dumpImage = true;
if (expectedHash.length() > 0) {
ASSERT(expectedHash.length() == 32);
printf("\nExpectedHash: %s\n", expectedHash.c_str());
if (expectedHash == actualHash) // FIXME: do case insensitive compare
dumpImage = false;
}
if (dumpImage)
dumpBitmap(context.get());
}
void printPNG(const unsigned char* data, const size_t dataLength)
{
printf("Content-Type: %s\n", "image/png");
printf("Content-Length: %lu\n", static_cast<unsigned long>(dataLength));
const size_t bytesToWriteInOneChunk = 1 << 15;
size_t dataRemainingToWrite = dataLength;
while (dataRemainingToWrite) {
size_t bytesToWriteInThisChunk = std::min(dataRemainingToWrite, bytesToWriteInOneChunk);
size_t bytesWritten = fwrite(data, 1, bytesToWriteInThisChunk, stdout);
if (bytesWritten != bytesToWriteInThisChunk)
break;
dataRemainingToWrite -= bytesWritten;
data += bytesWritten;
}
}
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