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* Copyright (C) 2011 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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#include "TestInvocation.h"
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#include "PlatformWebView.h"
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#include "TestController.h"
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#include <QCryptographicHash>
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#include <QtGui/QPainter>
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#include <WebKit2/WKImageQt.h>
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#include <wtf/Assertions.h>
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#include <wtf/UnusedParam.h>
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static void dumpImage(const QImage& image)
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buffer.open(QBuffer::WriteOnly);
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image.save(&buffer, "PNG");
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const QByteArray& data = buffer.data();
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printf("Content-Type: %s\n", "image/png");
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printf("Content-Length: %lu\n", static_cast<unsigned long>(data.length()));
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const quint32 bytesToWriteInOneChunk = 1 << 15;
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quint32 dataRemainingToWrite = data.length();
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const char* ptr = data.data();
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while (dataRemainingToWrite) {
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quint32 bytesToWriteInThisChunk = qMin(dataRemainingToWrite, bytesToWriteInOneChunk);
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quint32 bytesWritten = fwrite(ptr, 1, bytesToWriteInThisChunk, stdout);
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if (bytesWritten != bytesToWriteInThisChunk)
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dataRemainingToWrite -= bytesWritten;
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void TestInvocation::forceRepaintDoneCallback(WKErrorRef, void *context)
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static_cast<TestInvocation*>(context)->m_gotRepaint = true;
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TestController::shared().notifyDone();
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void TestInvocation::dumpPixelsAndCompareWithExpected(WKImageRef imageRef, WKArrayRef repaintRects)
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if (PlatformWebView::windowShapshotEnabled()) {
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WKPageRef page = TestController::shared().mainWebView()->page();
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WKPageForceRepaint(page, this, &forceRepaintDoneCallback);
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TestController::shared().runUntil(m_gotRepaint, TestController::ShortTimeout);
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image = WKImageCreateQImage(TestController::shared().mainWebView()->windowSnapshotImage().get());
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m_errorMessage = "Timed out waiting for repaint\n";
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m_webProcessIsUnresponsive = true;
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image = WKImageCreateQImage(imageRef);
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QImage mask(image.size(), image.format());
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mask.fill(QColor(0, 0, 0, 0.66 * 255));
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QPainter maskPainter(&mask);
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maskPainter.setCompositionMode(QPainter::CompositionMode_Source);
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size_t count = WKArrayGetSize(repaintRects);
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for (size_t i = 0; i < count; ++i) {
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WKRect wkRect = WKRectGetValue(static_cast<WKRectRef>(WKArrayGetItemAtIndex(repaintRects, i)));
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QRectF rect(wkRect.origin.x, wkRect.origin.y, wkRect.size.width, wkRect.size.height);
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maskPainter.fillRect(rect, Qt::transparent);
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QPainter painter(&image);
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painter.drawImage(image.rect(), mask);
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QCryptographicHash hash(QCryptographicHash::Md5);
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for (unsigned row = 0; row < image.height(); ++row)
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hash.addData(reinterpret_cast<const char*>(image.constScanLine(row)), image.bytesPerLine());
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QByteArray actualHash = hash.result().toHex();
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ASSERT(actualHash.size() == 32);
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if (!compareActualHashToExpectedAndDumpResults(actualHash)) {
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image.setText("checksum", actualHash);