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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <qtextdocument.h>
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#include <qabstracttextdocumentlayout.h>
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#include <qdebug.h>
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#include <qpainter.h>
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#include <qtexttable.h>
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#include <qtextedit.h>
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#include <qscrollbar.h>
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//TESTED_CLASS=
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//TESTED_FILES=gui/text/qtextdocumentlayout_p.h gui/text/qtextdocumentlayout.cpp
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class tst_QTextDocumentLayout : public QObject
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{
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Q_OBJECT
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public:
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inline tst_QTextDocumentLayout() {}
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virtual ~tst_QTextDocumentLayout() {}
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public slots:
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void init();
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void cleanup();
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private slots:
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void defaultPageSizeHandling();
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void idealWidth();
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void lineSeparatorFollowingTable();
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void wrapAtWordBoundaryOrAnywhere();
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void inlineImage();
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void clippedTableCell();
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void floatingTablePageBreak();
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private:
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QTextDocument *doc;
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};
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void tst_QTextDocumentLayout::init()
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{
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doc = new QTextDocument;
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}
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void tst_QTextDocumentLayout::cleanup()
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{
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delete doc;
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doc = 0;
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}
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void tst_QTextDocumentLayout::defaultPageSizeHandling()
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{
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QAbstractTextDocumentLayout *layout = doc->documentLayout();
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QVERIFY(layout);
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QVERIFY(!doc->pageSize().isValid());
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QSizeF docSize = layout->documentSize();
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QVERIFY(docSize.width() > 0 && docSize.width() < 1000);
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QVERIFY(docSize.height() > 0 && docSize.height() < 1000);
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doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
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docSize = layout->documentSize();
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QVERIFY(docSize.isValid());
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QVERIFY(docSize.width() != INT_MAX);
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QVERIFY(docSize.height() != INT_MAX);
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}
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void tst_QTextDocumentLayout::idealWidth()
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{
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doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
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doc->setTextWidth(1000);
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QCOMPARE(doc->textWidth(), qreal(1000));
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QCOMPARE(doc->size().width(), doc->textWidth());
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QVERIFY(doc->idealWidth() < doc->textWidth());
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QVERIFY(doc->idealWidth() > 0);
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QTextBlockFormat fmt;
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fmt.setAlignment(Qt::AlignRight | Qt::AlignAbsolute);
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QTextCursor cursor(doc);
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cursor.select(QTextCursor::Document);
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cursor.mergeBlockFormat(fmt);
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QCOMPARE(doc->textWidth(), qreal(1000));
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QCOMPARE(doc->size().width(), doc->textWidth());
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QVERIFY(doc->idealWidth() < doc->textWidth());
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QVERIFY(doc->idealWidth() > 0);
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}
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// none of the QTextLine items in the document should intersect with the margin rect
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void tst_QTextDocumentLayout::lineSeparatorFollowingTable()
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{
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QString html_begin("<html><table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table><br>");
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QString html_text("bla bla bla bla bla bla bla bla<br>");
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QString html_end("<table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table></html>");
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QString html = html_begin;
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for (int i = 0; i < 80; ++i)
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html += html_text;
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html += html_end;
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doc->setHtml(html);
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QTextCursor cursor(doc);
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cursor.movePosition(QTextCursor::Start);
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const int margin = 87;
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const int pageWidth = 873;
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const int pageHeight = 1358;
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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fmt.setMargin(margin);
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doc->rootFrame()->setFrameFormat(fmt);
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QFont font(doc->defaultFont());
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font.setPointSize(10);
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doc->setDefaultFont(font);
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doc->setPageSize(QSizeF(pageWidth, pageHeight));
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QRectF marginRect(QPointF(0, pageHeight - margin), QSizeF(pageWidth, 2 * margin));
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// force layouting
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doc->pageCount();
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for (QTextBlock block = doc->begin(); block != doc->end(); block = block.next()) {
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QTextLayout *layout = block.layout();
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for (int i = 0; i < layout->lineCount(); ++i) {
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QTextLine line = layout->lineAt(i);
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QRectF rect = line.rect().translated(layout->position());
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QVERIFY(!rect.intersects(marginRect));
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}
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}
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}
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void tst_QTextDocumentLayout::wrapAtWordBoundaryOrAnywhere()
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{
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//task 150562
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QTextEdit edit;
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edit.setText("<table><tr><td>hello hello hello"
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"thisisabigwordthisisabigwordthisisabigwordthisisabigwordthisisabigword"
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"hello hello hello</td></tr></table>");
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edit.setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
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edit.resize(100, 100);
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edit.show();
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QVERIFY(!edit.horizontalScrollBar()->isVisible());
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}
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void tst_QTextDocumentLayout::inlineImage()
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{
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doc->setPageSize(QSizeF(800, 500));
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QImage img(400, 400, QImage::Format_RGB32);
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QLatin1String name("bigImage");
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doc->addResource(QTextDocument::ImageResource, QUrl(name), img);
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QTextImageFormat imgFormat;
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imgFormat.setName(name);
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imgFormat.setWidth(img.width());
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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qreal height = doc->pageSize().height() - fmt.topMargin() - fmt.bottomMargin();
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imgFormat.setHeight(height);
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QTextCursor cursor(doc);
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cursor.insertImage(imgFormat);
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QCOMPARE(doc->pageCount(), 1);
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}
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void tst_QTextDocumentLayout::clippedTableCell()
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{
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const char *html =
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"<table style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\""
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"border=\"0\" margin=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td></td></tr></table>";
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doc->setHtml(html);
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doc->pageSize();
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QTextCursor cursor(doc);
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cursor.movePosition(QTextCursor::Right);
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QTextTable *table = cursor.currentTable();
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QVERIFY(table);
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QTextCursor cellCursor = table->cellAt(0, 0).firstCursorPosition();
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QImage src(16, 16, QImage::Format_ARGB32_Premultiplied);
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src.fill(0xffff0000);
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cellCursor.insertImage(src);
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QTextBlock block = cellCursor.block();
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QRectF r = doc->documentLayout()->blockBoundingRect(block);
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QRectF rect(0, 0, r.left() + 1, 64);
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QImage img(64, 64, QImage::Format_ARGB32_Premultiplied);
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img.fill(0x0);
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QImage expected = img;
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QPainter p(&img);
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doc->drawContents(&p, rect);
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p.end();
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p.begin(&expected);
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r.setWidth(1);
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p.fillRect(r, Qt::red);
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p.end();
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img.save("img.png");
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expected.save("expected.png");
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QCOMPARE(img, expected);
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}
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void tst_QTextDocumentLayout::floatingTablePageBreak()
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{
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doc->clear();
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QTextCursor cursor(doc);
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QTextTableFormat tableFormat;
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tableFormat.setPosition(QTextFrameFormat::FloatLeft);
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QTextTable *table = cursor.insertTable(50, 1, tableFormat);
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// Make height of document 2/3 of the table, fitting the table into two pages
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QSizeF documentSize = doc->size();
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documentSize.rheight() *= 2.0 / 3.0;
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doc->setPageSize(documentSize);
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QCOMPARE(doc->pageCount(), 2);
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}
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QTEST_MAIN(tst_QTextDocumentLayout)
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#include "tst_qtextdocumentlayout.moc"
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