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Diffstat (limited to 'WebKitTools/DumpRenderTree/PixelDumpSupport.cpp')
-rw-r--r-- | WebKitTools/DumpRenderTree/PixelDumpSupport.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/WebKitTools/DumpRenderTree/PixelDumpSupport.cpp b/WebKitTools/DumpRenderTree/PixelDumpSupport.cpp new file mode 100644 index 0000000..e38b2d4 --- /dev/null +++ b/WebKitTools/DumpRenderTree/PixelDumpSupport.cpp @@ -0,0 +1,83 @@ +/* + * 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 "DumpRenderTree.h" +#include "LayoutTestController.h" +#include "PixelDumpSupport.h" +#include <wtf/Assertions.h> +#include <wtf/RefPtr.h> +#include <wtf/RetainPtr.h> + +#if PLATFORM(CG) +#include "PixelDumpSupportCG.h" +#elif PLATFORM(CAIRO) +#include "PixelDumpSupportCairo.h" +#endif + +void dumpWebViewAsPixelsAndCompareWithExpected(const std::string& expectedHash) +{ + RefPtr<BitmapContext> 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; + } +} |