349 lines
10 KiB
C++
349 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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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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#ifndef QT_NO_WIDGETS
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#include <qtextedit.h>
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#include <qscrollbar.h>
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#endif
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class tst_QTextDocumentLayout : public QObject
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{
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Q_OBJECT
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private slots:
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void init();
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void cleanup();
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void cleanupTestCase();
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void defaultPageSizeHandling();
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void idealWidth();
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void lineSeparatorFollowingTable();
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#ifndef QT_NO_WIDGETS
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void wrapAtWordBoundaryOrAnywhere();
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#endif
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void inlineImage();
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void clippedTableCell();
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void floatingTablePageBreak();
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void imageAtRightAlignedTab();
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void blockVisibility();
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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::cleanupTestCase()
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{
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if (qgetenv("QTEST_KEEP_IMAGEDATA").toInt() == 0) {
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QFile::remove(QLatin1String("expected.png"));
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QFile::remove(QLatin1String("img.png"));
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}
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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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#ifndef QT_NO_WIDGETS
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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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#endif
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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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Q_UNUSED(table);
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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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void tst_QTextDocumentLayout::imageAtRightAlignedTab()
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{
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doc->clear();
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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fmt.setMargin(0);
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doc->rootFrame()->setFrameFormat(fmt);
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QTextCursor cursor(doc);
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QTextBlockFormat blockFormat;
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QList<QTextOption::Tab> tabs;
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QTextOption::Tab tab;
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tab.position = 300;
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tab.type = QTextOption::RightTab;
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tabs.append(tab);
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blockFormat.setTabPositions(tabs);
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// First block: text, some of it right-aligned
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cursor.insertBlock(blockFormat);
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cursor.insertText("first line\t");
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cursor.insertText("right-aligned text");
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// Second block: text, then right-aligned image
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cursor.insertBlock(blockFormat);
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cursor.insertText("second line\t");
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QImage img(48, 48, QImage::Format_RGB32);
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const QString name = QString::fromLatin1("image");
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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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cursor.insertImage(imgFormat);
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// Everything should fit into the 300 pixels
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QCOMPARE(doc->idealWidth(), 300.0);
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}
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void tst_QTextDocumentLayout::blockVisibility()
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{
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QTextCursor cursor(doc);
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for (int i = 0; i < 10; ++i) {
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if (!doc->isEmpty())
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cursor.insertBlock();
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cursor.insertText("A");
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}
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qreal margin = doc->documentMargin();
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QSizeF emptySize(2 * margin, 2 * margin);
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QSizeF halfSize = doc->size();
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halfSize.rheight() -= 2 * margin;
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halfSize.rheight() /= 2;
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halfSize.rheight() += 2 * margin;
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for (int i = 0; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(false);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), halfSize);
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for (int i = 1; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(false);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), emptySize);
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for (int i = 0; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(true);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), halfSize);
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}
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QTEST_MAIN(tst_QTextDocumentLayout)
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#include "tst_qtextdocumentlayout.moc"
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