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/*
* Copyright (C) 2011 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "TestInvocation.h"
#include "PlatformWebView.h"
#include "TestController.h"
#include <QBuffer>
#include <QCryptographicHash>
#include <QtGui/QPainter>
#include <WebKit/WKImageQt.h>
#include <stdio.h>
#include <wtf/Assertions.h>
namespace WTR {
static void dumpImage(const QImage& image)
{
QBuffer buffer;
buffer.open(QBuffer::WriteOnly);
image.save(&buffer, "PNG");
buffer.close();
const QByteArray& data = buffer.data();
printf("Content-Type: %s\n", "image/png");
printf("Content-Length: %lu\n", static_cast<unsigned long>(data.length()));
const quint32 bytesToWriteInOneChunk = 1 << 15;
quint32 dataRemainingToWrite = data.length();
const char* ptr = data.data();
while (dataRemainingToWrite) {
quint32 bytesToWriteInThisChunk = qMin(dataRemainingToWrite, bytesToWriteInOneChunk);
quint32 bytesWritten = fwrite(ptr, 1, bytesToWriteInThisChunk, stdout);
if (bytesWritten != bytesToWriteInThisChunk)
break;
dataRemainingToWrite -= bytesWritten;
ptr += bytesWritten;
}
fflush(stdout);
}
void TestInvocation::dumpPixelsAndCompareWithExpected(WKImageRef imageRef, WKArrayRef repaintRects)
{
QImage image;
if (PlatformWebView::windowSnapshotEnabled()) {
image = WKImageCreateQImage(TestController::shared().mainWebView()->windowSnapshotImage().get());
} else
image = WKImageCreateQImage(imageRef);
if (repaintRects) {
QImage mask(image.size(), image.format());
mask.fill(QColor(0, 0, 0, 0.66 * 255));
QPainter maskPainter(&mask);
maskPainter.setCompositionMode(QPainter::CompositionMode_Source);
size_t count = WKArrayGetSize(repaintRects);
for (size_t i = 0; i < count; ++i) {
WKRect wkRect = WKRectGetValue(static_cast<WKRectRef>(WKArrayGetItemAtIndex(repaintRects, i)));
QRectF rect(wkRect.origin.x, wkRect.origin.y, wkRect.size.width, wkRect.size.height);
maskPainter.fillRect(rect, Qt::transparent);
}
QPainter painter(&image);
painter.drawImage(image.rect(), mask);
}
QCryptographicHash hash(QCryptographicHash::Md5);
for (unsigned row = 0; row < image.height(); ++row)
hash.addData(reinterpret_cast<const char*>(image.constScanLine(row)), image.bytesPerLine());
QByteArray actualHash = hash.result().toHex();
ASSERT(actualHash.size() == 32);
if (!compareActualHashToExpectedAndDumpResults(actualHash)) {
image.setText("checksum", actualHash);
dumpImage(image);
}
}
} // namespace WTR
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