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