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GUI: use X11 (xcb) as platform instead of Wayland on Linux to
avoid various weird behaviours tests: disable GUI-dependent tests (`TestQZint::renderTest()`) if ZINT_SANITIZE and on Linux for later versions of Qt (5 and 6) to avoid ASAN "detected memory leaks" errors on exit
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README.linux
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README.linux
@ -1,5 +1,6 @@
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% README.linux 2024-09-29
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% Tested on Ubuntu 20.04.4 LTS, Ubuntu 22.04 LTS and Fedora Linux 40 (Workstation Edition)
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% README.linux 2024-10-04
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% Tested on Ubuntu 20.04.4 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
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% Fedora Linux 40 (Workstation Edition)
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1. Prerequisites for building zint
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==================================
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@ -45,6 +46,9 @@ or Fedora
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sudo dnf install mesa-libGL mesa-libGL-devel
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zint-qt has issues running on Wayland so sets X11 as the Qt platform (via the environment variable
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"QT_QPA_PLATFORM=xcb") on startup unless already set.
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2.1. Using Qt packages
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----------------------
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@ -53,7 +57,7 @@ what their ever-changing names and contents are isn't. A complication is that zi
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components beyond the basic setup: Qt UI Tools (for dynamically loading the symbology-specific
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tabs), and Qt SVG (for rendering icons).
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E.g. on Ubuntu 22.04
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E.g. on Ubuntu 22.04 or 24.04
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sudo apt install qtbase5-dev qttools5-dev qttools5-dev-tools libqt5svg5-dev
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@ -84,7 +88,7 @@ On Ubuntu/Debian you may need to install xinerama to run the tool:
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sudo apt install libxcb-xinerama0
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Launch the tool and install the "Desktop gcc 64-bit" component for either Qt 5.15.2 (preferred)
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or Qt 6 (>= 6.1, 6.2.4 preferably, and not >= 6.3 which are incompatible).
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or Qt 6 (>= 6.1).
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Once Qt is installed you may need to tell CMake where it is:
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@ -18,25 +18,44 @@
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#include <QtTest/QTest>
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#include "../qzint.h" /* Don't use <qzint.h> in case it's been changed */
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) ((int) (sizeof(x) / sizeof((x)[0])))
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// Whether using ZINT_SANITIZE
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#if !defined(__has_feature)
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# define __has_feature(x) 0
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#endif
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#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)
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# define TESTQZINT_HAVE_ASAN
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#endif
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class TestQZint : public QObject
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{
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Q_OBJECT
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// This avoids WaylandClient memory leaks for Qt5 > 5.15.2 (taken from "frontend_qt/main.cpp")
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#if defined(__linux__) && QT_VERSION > 0x50F02
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public:
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static void initMain()
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{
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/* Not compatible with Wayland for some reason(s) so use X11 unless overridden */
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if (qEnvironmentVariableIsEmpty("QT_QPA_PLATFORM")) {
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qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("xcb"));
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}
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}
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#endif
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public:
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TestQZint() : m_skipIfFontUsed(false)
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{
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// Qt5 will trigger "detected memory leaks" if font used (libfontconfig) so skip if ASAN enabled
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#if QT_VERSION < 0x60000
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# if !defined(__has_feature)
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# define __has_feature(x) 0
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# endif
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# if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)
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// Qt will trigger "detected memory leaks" if font used (libfontconfig) so skip if ASAN enabled
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#ifdef TESTQZINT_HAVE_ASAN
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m_skipIfFontUsed = true;
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#endif
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// Unfortunately Qt5 > 5.15.13 & Qt6 > 6.4.2 have further libfontconfig leaks which this doesn't address...
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// ...only option found so far is to use `QTEST_GUILESS_MAIN()` and skip `renderTest()` completely
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#if defined(__linux__) && ((QT_VERSION > 0x50F0D && QT_VERSION < 0x60000) || QT_VERSION > 0x60402) \
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&& defined(TESTQZINT_HAVE_ASAN)
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#define TESTQZINT_GUILESS
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#endif
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}
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@ -414,18 +433,21 @@ private slots:
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QTest::addColumn<float>("vectorHeight");
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QTest::newRow("BARCODE_CODE128") << BARCODE_CODE128 << "1234" << 0.0f << 0 << "" << 57 << 1 << 50.0f << 114.0f << 100.0f;
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QTest::newRow("BARCODE_CODE128") << BARCODE_CODE128 << "1234" << 2.0f << 0 << "" << 57 << 1 << 50.0f << 228.0f << 200.0f;
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QTest::newRow("BARCODE_CODE128 Scale 2") << BARCODE_CODE128 << "1234" << 2.0f << 0 << "" << 57 << 1 << 50.0f << 228.0f << 200.0f;
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QTest::newRow("BARCODE_QRCODE") << BARCODE_QRCODE << "1234" << 0.0f << 0 << "" << 21 << 21 << 21.0f << 42.0f << 42.0f;
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QTest::newRow("BARCODE_QRCODE") << BARCODE_QRCODE << "1234" << 1.5f << 0 << "" << 21 << 21 << 21.0f << 63.0f << 63.0f;
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QTest::newRow("BARCODE_QRCODE Scale 1.5") << BARCODE_QRCODE << "1234" << 1.5f << 0 << "" << 21 << 21 << 21.0f << 63.0f << 63.0f;
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if (!m_skipIfFontUsed) {
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QTest::newRow("BARCODE_QRCODE no text") << BARCODE_QRCODE << "" << 0.0f << ZINT_ERROR_INVALID_DATA << "Error 778: No input data (segment 0 empty)" << 0 << 0 << 0.0f << 0.0f << 0.0f;
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}
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QTest::newRow("BARCODE_MAXICODE") << BARCODE_MAXICODE << "1234" << 0.0f << 0 << "" << 30 << 33 << 28.578f << 60.0f << 57.7334f;
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QTest::newRow("BARCODE_MAXICODE") << BARCODE_MAXICODE << "1234" << 2.0f << 0 << "" << 30 << 33 << 28.578f << 120.0f << 115.467f;
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QTest::newRow("BARCODE_MAXICODE Scale 2") << BARCODE_MAXICODE << "1234" << 2.0f << 0 << "" << 30 << 33 << 28.578f << 120.0f << 115.467f;
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}
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void renderTest()
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{
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#ifdef TESTQZINT_GUILESS
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QSKIP("disabled on Linux for Qt5 > 5.15.13 & Qt6 > 6.4.2 due to memory leaks (ZINT_SANITIZE)");
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#endif
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Zint::QZint bc;
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bool bRet;
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@ -1369,7 +1391,11 @@ private slots:
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}
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};
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#ifdef TESTQZINT_GUILESS
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QTEST_GUILESS_MAIN(TestQZint)
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#else
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QTEST_MAIN(TestQZint)
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#endif
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#include "test_qzint.moc"
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/* vim: set ts=4 sw=4 et : */
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@ -1,6 +1,6 @@
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/***************************************************************************
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* Copyright (C) 2008 by BogDan Vatra <bogdan@licentia.eu> *
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* Copyright (C) 2009-2022 by Robin Stuart <rstuart114@gmail.com> *
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* Copyright (C) 2009-2024 by Robin Stuart <rstuart114@gmail.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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@ -21,6 +21,13 @@ int main(int argc, char *argv[])
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{
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Q_INIT_RESOURCE(resources);
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#if defined(__linux__) && QT_VERSION > 0x50F02
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/* Not compatible with Wayland for some reason(s) so use X11 unless overridden */
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if (qEnvironmentVariableIsEmpty("QT_QPA_PLATFORM")) {
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qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("xcb"));
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}
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#endif
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#if QT_VERSION >= 0x50600 && QT_VERSION < 0x60100
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QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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#endif
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