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The PDF export sizes each page to its folio, and QPageSize rounds a size within 3 pt of a standard sheet to the sheet. QPageSize knows the sheets upright only (bar Ledger), so only portrait folios snapped: an A3 landscape folio came out as a 1190 x 841 pt page, while an A3 portrait one was 842 x 1191, the sheet. A wide folio is now matched upright and turned. tst_pdfpagesize exports a fixture with an A3 folio each way and checks both pages are A3; it fails without the change (1190 x 841). Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <QtTest>
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#include <QDir>
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#include <QFile>
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#include <QPageSize>
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#include <QProcess>
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#include <QProcessEnvironment>
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#include <QRegularExpression>
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#include <QTemporaryDir>
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// --export-pdf sizes each page to its folio, and QPageSize rounds a size
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// within 3 pt of a standard sheet to the sheet. It knows the sheets upright
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// only, so a wide folio used to miss: the fixture's A3 landscape folio
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// (frame 1190.25 x 840.75 pt) came out 1190 x 841 pt while its A3 portrait
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// folio came out 842 x 1191, the sheet. Both must land on A3.
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class tst_pdfpagesize : public QObject
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{
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Q_OBJECT
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QTemporaryDir m_dir;
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// The MediaBox of each page, in page order. Qt writes one uncompressed
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// "/MediaBox [0 0 w h]" per page object.
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QList<QSizeF> exportPages(const QString &project)
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{
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const QString home = m_dir.filePath(QStringLiteral("home"));
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const QString tmp = m_dir.filePath(QStringLiteral("tmp"));
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const QString out = m_dir.filePath(QStringLiteral("out.pdf"));
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QDir().mkpath(home);
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QDir().mkpath(tmp);
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QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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env.insert(QStringLiteral("QT_QPA_PLATFORM"), QStringLiteral("offscreen"));
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env.insert(QStringLiteral("HOME"), home);
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env.insert(QStringLiteral("XDG_CONFIG_HOME"), home + QStringLiteral("/.config"));
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env.insert(QStringLiteral("XDG_DATA_HOME"), home + QStringLiteral("/.local/share"));
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env.insert(QStringLiteral("TMPDIR"), tmp);
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QProcess proc;
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proc.setProcessEnvironment(env);
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proc.start(QStringLiteral(QET_TEST_BINARY_PATH),
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{QStringLiteral("--export-pdf"), project, out});
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if (!proc.waitForFinished(60000) || proc.exitCode() != 0)
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return {};
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QFile file(out);
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if (!file.open(QIODevice::ReadOnly))
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return {};
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const QString pdf = QString::fromLatin1(file.readAll());
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static const QRegularExpression box(
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QStringLiteral(R"(/MediaBox \[0 0 ([0-9.]+) ([0-9.]+)\])"));
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QList<QSizeF> pages;
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auto it = box.globalMatch(pdf);
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while (it.hasNext()) {
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const auto m = it.next();
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pages << QSizeF(m.captured(1).toDouble(), m.captured(2).toDouble());
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}
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return pages;
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}
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private slots:
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void initTestCase()
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{
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QVERIFY(m_dir.isValid());
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QVERIFY(QFile::exists(QStringLiteral(QET_TEST_BINARY_PATH)));
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}
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void a3BothWays()
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{
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const QString fixture = QFINDTESTDATA("fixtures/pdf_page_a3.qet");
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QVERIFY2(!fixture.isEmpty(), "fixture project not found");
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const QList<QSizeF> pages = exportPages(fixture);
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QCOMPARE(pages.size(), 2);
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// Qt writes the sheet's whole points: 842 x 1191 for A3.
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const QSize a3 = QPageSize(QPageSize::A3).sizePoints();
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QCOMPARE(pages.at(0), QSizeF(a3.height(), a3.width())); // landscape
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QCOMPARE(pages.at(1), QSizeF(a3)); // portrait
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}
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};
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QTEST_MAIN(tst_pdfpagesize)
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#include "tst_pdfpagesize.moc"
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