--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/qt/tests/benchmarks/painting/tst_painting.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2009 Holger Hans Peter Freyther
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <QtTest/QtTest>
+
+#include <qwebelement.h>
+#include <qwebframe.h>
+#include <qwebview.h>
+#include <qpainter.h>
+
+/**
+ * Starts an event loop that runs until the given signal is received.
+ Optionally the event loop
+ * can return earlier on a timeout.
+ *
+ * \return \p true if the requested signal was received
+ * \p false on timeout
+ */
+static bool waitForSignal(QObject* obj, const char* signal, int timeout = 0)
+{
+ QEventLoop loop;
+ QObject::connect(obj, signal, &loop, SLOT(quit()));
+ QTimer timer;
+ QSignalSpy timeoutSpy(&timer, SIGNAL(timeout()));
+ if (timeout > 0) {
+ QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
+ timer.setSingleShot(true);
+ timer.start(timeout);
+ }
+ loop.exec();
+ return timeoutSpy.isEmpty();
+}
+
+class tst_Painting : public QObject
+{
+ Q_OBJECT
+
+public:
+
+public Q_SLOTS:
+ void init();
+ void cleanup();
+
+private Q_SLOTS:
+ void paint_data();
+ void paint();
+ void textAreas();
+
+private:
+ QWebView* m_view;
+ QWebPage* m_page;
+};
+
+void tst_Painting::init()
+{
+ m_view = new QWebView;
+ m_page = m_view->page();
+
+ QSize viewportSize(1024, 768);
+ m_view->setFixedSize(viewportSize);
+ m_page->setViewportSize(viewportSize);
+}
+
+void tst_Painting::cleanup()
+{
+ delete m_view;
+}
+
+void tst_Painting::paint_data()
+{
+ QTest::addColumn<QUrl>("url");
+ QTest::newRow("amazon") << QUrl("http://www.amazon.com");
+}
+
+void tst_Painting::paint()
+{
+ QFETCH(QUrl, url);
+
+ m_view->load(url);
+ ::waitForSignal(m_view, SIGNAL(loadFinished(bool)));
+
+ /* force a layout */
+ QWebFrame* mainFrame = m_page->mainFrame();
+ mainFrame->toPlainText();
+
+ QPixmap pixmap(m_page->viewportSize());
+ QBENCHMARK {
+ QPainter painter(&pixmap);
+ mainFrame->render(&painter, QRect(QPoint(0, 0), m_page->viewportSize()));
+ painter.end();
+ }
+}
+
+void tst_Painting::textAreas()
+{
+ m_view->load(QUrl("data:text/html;<html><body></body></html>"));
+ ::waitForSignal(m_view, SIGNAL(loadFinished(bool)));
+
+ QWebElement bodyElement = m_page->mainFrame()->findFirstElement("body");
+
+ int count = 100;
+ while (count--) {
+ QString markup("<textarea cols='1' rows='1'></textarea>");
+ bodyElement.appendInside(markup);
+ }
+
+ /* force a layout */
+ QWebFrame* mainFrame = m_page->mainFrame();
+ mainFrame->toPlainText();
+
+ QPixmap pixmap(mainFrame->contentsSize());
+ QBENCHMARK {
+ QPainter painter(&pixmap);
+ mainFrame->render(&painter, QRect(QPoint(0, 0), mainFrame->contentsSize()));
+ painter.end();
+ }
+}
+
+QTEST_MAIN(tst_Painting)
+#include "tst_painting.moc"