From 96e258b0600c8683d63a6a7bbbfd8676f18c25c3 Mon Sep 17 00:00:00 2001 From: Martchus Date: Wed, 8 Sep 2021 19:53:14 +0200 Subject: [PATCH] Initial import --- .gitignore | 44 ++++++ CMakeLists.txt | 117 +++++++++++++++ LICENSE | 340 +++++++++++++++++++++++++++++++++++++++++++ README.md | 41 ++++++ global.h | 27 ++++ qtforkawesome.cpp | 108 ++++++++++++++ qtforkawesome.h | 43 ++++++ scripts/yaml2enum.pl | 48 ++++++ tests/rendering.cpp | 37 +++++ 9 files changed, 805 insertions(+) create mode 100644 .gitignore create mode 100644 CMakeLists.txt create mode 100644 LICENSE create mode 100644 README.md create mode 100644 global.h create mode 100644 qtforkawesome.cpp create mode 100644 qtforkawesome.h create mode 100755 scripts/yaml2enum.pl create mode 100644 tests/rendering.cpp diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3991c1d --- /dev/null +++ b/.gitignore @@ -0,0 +1,44 @@ +# C++ objects and libs + +*.slo +*.lo +*.o +*.a +*.la +*.lai +*.so +*.dll +*.dylib + +# Qt-es + +/.qmake.cache +/.qmake.stash +*.pro.user +*.txt.user +*.pro.user.* +*.qbs.user +*.qbs.user.* +*.moc +moc_*.cpp +qrc_*.cpp +ui_*.h +Makefile* +*-build-* + +# QtCreator + +*.autosave + +#QtCtreator Qml +*.qmlproject.user +*.qmlproject.user.* + +# Dolphin +.directory + +# documentation +/doc + +# clang-format +/.clang-format diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..245f2c2 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,117 @@ +cmake_minimum_required(VERSION 3.3.0 FATAL_ERROR) + +# meta data +set(META_PROJECT_NAME qtforkawesome) +set(META_PROJECT_VARNAME QT_FORK_AWESOME) +set(META_APP_NAME "Qt ForkAwesome") +set(META_APP_AUTHOR "Martchus") +set(META_APP_URL "https://github.com/${META_APP_AUTHOR}/${META_PROJECT_NAME}") +set(META_APP_DESCRIPTION "Library that bundles ForkAwesome for use within Qt applications") +set(META_VERSION_MAJOR 0) +set(META_VERSION_MINOR 0) +set(META_VERSION_PATCH 1) +set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}) +set(META_PUBLIC_QT_MODULES Core Gui) +set(META_ADD_DEFAULT_CPP_UNIT_TEST_APPLICATION OFF) + +project(${META_PROJECT_NAME}) + +# add project files +set(HEADER_FILES qtforkawesome.h) +set(SRC_FILES qtforkawesome.cpp) +set(QT_TESTS rendering) +set(DOC_FILES README.md) + +# find/download ForkAwesome's font file and icon definitions +set(FORK_AWESOME_VERSION + "1.2.0" + CACHE STRING "specifies the version of ForkAwesome") +set(FORK_AWESOME_REPO_URL "https://raw.githubusercontent.com/ForkAwesome/Fork-Awesome/${FORK_AWESOME_VERSION}") +set(FORK_AWESOME_FONT_FILE + "${FORK_AWESOME_REPO_URL}/fonts/forkawesome-webfont.woff2" + CACHE STRING "specifies the location of ForkAwesome's font file") +set(FORK_AWESOME_ICON_DEFINITIONS + "${FORK_AWESOME_REPO_URL}/src/icons/icons.yml" + CACHE STRING "specifies the location of ForkAwesome's icon definitions file") +set(DOWNLOAD_DIR "${CMAKE_CURRENT_BINARY_DIR}/download") +file(MAKE_DIRECTORY "${DOWNLOAD_DIR}") +function (checkout_file VARIABLE) + if ("${${VARIABLE}}" MATCHES "http(s)?:.+") + get_filename_component(FILE_NAME "${${VARIABLE}}" NAME) + if (NOT EXISTS "${DOWNLOAD_DIR}/${FILE_NAME}") + message(STATUS "Downloading ${${VARIABLE}}") + file(DOWNLOAD "${${VARIABLE}}" "${DOWNLOAD_DIR}/${FILE_NAME}" SHOW_PROGRESS) + endif () + set("${VARIABLE}" + "${DOWNLOAD_DIR}/${FILE_NAME}" + PARENT_SCOPE) + elseif (NOT EXISTS "${${VARIABLE}}") + message(FATAL_ERROR "${VARIABLE} is set to \"${${VARIABLE}}\" which does not exist.") + endif () +endfunction () +checkout_file(FORK_AWESOME_FONT_FILE) +checkout_file(FORK_AWESOME_ICON_DEFINITIONS) + +# configure font file +get_filename_component(META_FONT_FILE_NAME "${FORK_AWESOME_FONT_FILE}" NAME) +set(META_CUSTOM_CONFIG + "#define META_FONT_FILE_NAME \"${META_FONT_FILE_NAME}\"\n#define META_FORK_AWESOME_VERSION \"${FORK_AWESOME_VERSION}\"\n" +) +set(RES_FILE_PATH "${CMAKE_CURRENT_BINARY_DIR}/font.qrc") +set(RES_FILE_DATA "${META_FONT_FILE_NAME}") +file(CREATE_LINK "${FORK_AWESOME_FONT_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${META_FONT_FILE_NAME}") +file(WRITE "${RES_FILE_PATH}" "${RES_FILE_DATA}") +list(APPEND RES_FILES "${RES_FILE_PATH}") + +# create rule for generating header file +find_program(PERL perl) +set(GENERATED_HEADERS_PATH "${CMAKE_CURRENT_BINARY_DIR}/headers") +set(ICONS_HEADER_FILE "${GENERATED_HEADERS_PATH}/icons.h") +list(APPEND SRC_FILES "${ICONS_HEADER_FILE}") +file(MAKE_DIRECTORY "${GENERATED_HEADERS_PATH}") +add_custom_command( + OUTPUT "${ICONS_HEADER_FILE}" + COMMAND "${PERL}" "${CMAKE_CURRENT_SOURCE_DIR}/scripts/yaml2enum.pl" "${FORK_AWESOME_ICON_DEFINITIONS}" + "${ICONS_HEADER_FILE}" + DEPENDS "${FORK_AWESOME_ICON_DEFINITIONS}" + COMMENT "Icon header") + +# find c++utilities and qtutilities +set(CONFIGURATION_PACKAGE_SUFFIX + "" + CACHE STRING "sets the suffix for c++utilities") +set(CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES + "${CONFIGURATION_PACKAGE_SUFFIX}" + CACHE STRING "sets the suffix for qtutilities") +find_package(c++utilities${CONFIGURATION_PACKAGE_SUFFIX} 5.5.0 REQUIRED) +find_package(qtutilities${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES} 6.3.0 REQUIRED) +use_cpp_utilities(ONLY_HEADERS VISIBILITY PUBLIC) +use_qt_utilities(ONLY_HEADERS VISIBILITY PRIVATE) + +# use Qt Gui module +list(APPEND ADDITIONAL_QT_MODULES Gui) + +# include modules to apply configuration +include(BasicConfig) +include(QtConfig) +include(WindowsResources) +include(LibraryTarget) +include(Doxygen) +include(ConfigHeader) + +# configure test target +include(TestUtilities) +set(QT_TEST_LIBRARIES ${CPP_UTILITIES_LIB} ${META_TARGET_NAME}) +use_qt_module(LIBRARIES_VARIABLE "QT_TEST_LIBRARIES" PREFIX "${QT_PACKAGE_PREFIX}" MODULE "Test") +foreach (TEST ${QT_TESTS}) + configure_test_target(TEST_NAME "${TEST}_tests" SRC_FILES "tests/${TEST}.cpp" LIBRARIES "${QT_TEST_LIBRARIES}") +endforeach () + +# ensure generated header can be found during build +target_include_directories(${META_TARGET_NAME} PUBLIC $) + +# install generated header +install( + FILES "${ICONS_HEADER_FILE}" + DESTINATION "${INCLUDE_SUBDIR}/${META_PROJECT_NAME}" + COMPONENT header) diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..8cdb845 --- /dev/null +++ b/LICENSE @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + {signature of Ty Coon}, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. + diff --git a/README.md b/README.md new file mode 100644 index 0000000..c3702af --- /dev/null +++ b/README.md @@ -0,0 +1,41 @@ +# qtforkawesome +Library that bundles ForkAwesome for use within Qt applications + +## Build instructions +The library depends on the following Qt modules (version 5.6 or higher): +`core`, `gui` + +At build time `qtutilities` and `c++utilities` are required. This library is +built in the same way as these libraries so checkout the `c++utilities` +repository for detailed instructions. + +To generate the header with icon definitions, Perl and the module `YAML::XS` (or +`YAML`) are required. + +Of course the font file and icon definitions for ForkAwesome also need to be +supplied as well. +Just download it from https://github.com/ForkAwesome/Fork-Awesome/releases +and specify its path via the CMake variables `FORK_AWESOME_FONT_FILE` +and `FORK_AWESOME_ICON_DEFINITIONS`, e.g. add +`-DFORK_AWESOME_FONT_FILE=/path/to/Fork-Awesome-1.2.0/fonts/forkawesome-webfont.woff2` +and +`-DFORK_AWESOME_ICON_DEFINITIONS=/path/to/Fork-Awesome-1.2.0/src/icons/icons.yml` +to the CMake invocation. The font file will be built into the library and +is hence only required at build time. If none of the variables are specified, +the build system will attempt to download the files from GitHub. + +Note that Web Open Font Format 2 support might require FreeType2 to be +configured with Brotli support. + +## Usage +The installation provides a CMake find module and a pkg-config file. Once +configured, the library is fairly simple to use: + +``` +#include + +auto renderer = QtForkAwesome::Renderer(); +renderer.pixmap(QtForkAwesome::Icon::Globe, QSize(64, 64), Qt::black); +``` + +There's also `renderer.render(…)` which takes a `QPainter` directly. diff --git a/global.h b/global.h new file mode 100644 index 0000000..8ac60ce --- /dev/null +++ b/global.h @@ -0,0 +1,27 @@ +// Created via CMake from template global.h.in +// WARNING! Any changes to this file will be overwritten by the next CMake run! + +#ifndef QT_FORK_AWESOME_GLOBAL +#define QT_FORK_AWESOME_GLOBAL + +#include + +#ifdef QT_FORK_AWESOME_STATIC +#define QT_FORK_AWESOME_EXPORT +#define QT_FORK_AWESOME_IMPORT +#else +#define QT_FORK_AWESOME_EXPORT CPP_UTILITIES_GENERIC_LIB_EXPORT +#define QT_FORK_AWESOME_IMPORT CPP_UTILITIES_GENERIC_LIB_IMPORT +#endif + +/*! + * \def QT_FORK_AWESOME_EXPORT + * \brief Marks the symbol to be exported by the qtforkawesome library. + */ + +/*! + * \def QT_FORK_AWESOME_IMPORT + * \brief Marks the symbol to be imported from the qtforkawesome library. + */ + +#endif // QT_FORK_AWESOME_GLOBAL diff --git a/qtforkawesome.cpp b/qtforkawesome.cpp new file mode 100644 index 0000000..d7ddad5 --- /dev/null +++ b/qtforkawesome.cpp @@ -0,0 +1,108 @@ +#include "./qtforkawesome.h" + +#include "resources/config.h" + +#include +#include +#include + +/// \brief Contains classes provided by the QtForkAwesome library. +namespace QtForkAwesome { + +/// \cond + +struct Renderer::InternalData { + explicit InternalData(int id); + static constexpr int invalidId = -1; + + int id; + QStringList fontFamilies; +}; + +Renderer::InternalData::InternalData(int id) + : id(id) + , fontFamilies(id != invalidId ? QFontDatabase::applicationFontFamilies(id) : QStringList()) +{ +} + +/// \endcond + +/*! + * + * \class QtForkAwesome::Renderer + * \brief Allows rendering a QtForkAwesome::Icon. + */ + +/*! + * \brief Constructs a new renderer with the given \a fontFileName. + * \remarks If \a fontFileName is empty, the bundled font file will be used. + */ +Renderer::Renderer(const QString &fontFileName) + : m_d(std::make_unique( + QFontDatabase::addApplicationFont(fontFileName.isEmpty() ? QStringLiteral(":/" META_FONT_FILE_NAME) : fontFileName))) +{ +} + +/*! + * \brief Constructs a new renderer with the given \a fontData. + */ +Renderer::Renderer(const QByteArray &fontData) + : m_d(std::make_unique(QFontDatabase::addApplicationFont(fontData))) +{ +} + +/*! + * \brief Destructs the renderer. + */ +Renderer::~Renderer() +{ + if (m_d->id != InternalData::invalidId) { + QFontDatabase::removeApplicationFont(m_d->id); + } +} + +/*! + * \brief Returns whether the render could be initialized correctly. + */ +Renderer::operator bool() const +{ + return !m_d->fontFamilies.empty(); +} + +/*! + * \brief Renders the specified \a icon using the specified \a painter. + */ +void Renderer::render(Icon icon, QPainter *painter, const QRect &rect, const QColor &color) +{ + if (!*this) { + return; + } + auto font = QFont(m_d->fontFamilies.front()); + font.setPixelSize(rect.height()); + painter->save(); + painter->setFont(font); + painter->setPen(color); + painter->drawText(rect, QString(QChar(static_cast(icon))), QTextOption(Qt::AlignCenter)); + painter->restore(); +} + +/*! + * \brief Renders the specified \a icon as pixmap of the specified \a size. + */ +QPixmap QtForkAwesome::Renderer::pixmap(Icon icon, const QSize &size, const QColor &color) +{ + const auto scaleFactor = +#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) + !QCoreApplication::testAttribute(Qt::AA_UseHighDpiPixmaps) ? 1.0 : +#endif + qGuiApp->devicePixelRatio(); + const auto scaledSize = QSize(size * scaleFactor); + auto pm = QPixmap(scaledSize); + pm.fill(QColor(Qt::transparent)); + auto painter = QPainter(&pm); + render(icon, &painter, QRect(QPoint(), scaledSize), color); + pm.setDevicePixelRatio(scaleFactor); + return pm; +} + +} // namespace QtForkAwesome diff --git a/qtforkawesome.h b/qtforkawesome.h new file mode 100644 index 0000000..4498551 --- /dev/null +++ b/qtforkawesome.h @@ -0,0 +1,43 @@ +#ifndef QT_FORK_AWESOME_MAIN +#define QT_FORK_AWESOME_MAIN + +#include "./global.h" + +#include + +#include + +QT_FORWARD_DECLARE_CLASS(QByteArray) +QT_FORWARD_DECLARE_CLASS(QColor) +QT_FORWARD_DECLARE_CLASS(QPainter) +QT_FORWARD_DECLARE_CLASS(QRect) +QT_FORWARD_DECLARE_CLASS(QSize) +QT_FORWARD_DECLARE_CLASS(QPixmap) + +namespace QtForkAwesome { + +using IconBaseType = std::remove_reference_t; + +enum class Icon : IconBaseType { +#include "icons.h" +}; + +class QT_FORK_AWESOME_EXPORT Renderer { + struct InternalData; + +public: + explicit Renderer(const QString &fontFileName = QString()); + explicit Renderer(const QByteArray &fontData); + ~Renderer(); + + operator bool() const; + void render(Icon icon, QPainter *painter, const QRect &rect, const QColor &color); + QPixmap pixmap(Icon icon, const QSize &size, const QColor &color); + +private: + std::unique_ptr m_d; +}; + +} // namespace QtForkAwesome + +#endif // QT_FORK_AWESOME_MAIN diff --git a/scripts/yaml2enum.pl b/scripts/yaml2enum.pl new file mode 100755 index 0000000..3b93d8f --- /dev/null +++ b/scripts/yaml2enum.pl @@ -0,0 +1,48 @@ +#!/usr/bin/perl +use strict; +use warnings; +use utf8; +use feature 'signatures'; +no warnings 'experimental::signatures'; + +# use either YAML::XS or YAML +my $parse_yaml + = eval { require YAML::XS; \&YAML::XS::Load } + // eval { require YAML; \&YAML::Load }; +die "Unable to locate YAML::XS or YAML: $@" if $@; + +# read CLI args +my $yaml_file = $ARGV[0] // ''; +my $output_file = $ARGV[1] // ''; +die "The specified file \"$yaml_file\" does not exist.\n" unless -f $yaml_file; +die "No output file specified.\n" unless $output_file; +print "$yaml_file -> $output_file\n"; + +# read input file manually (instead of using LoadFile) to fix screwed indentation +open my $yaml_fh, '<', $yaml_file or die "Can't open \"$yaml_file\": $!"; +read $yaml_fh, my $yaml, -s $yaml_fh; +$yaml =~ s/ - name:/ - name:/g; + +# parse YAML +my $icon_defs = $parse_yaml->($yaml); +my $icons = ref $icon_defs eq 'HASH' ? $icon_defs->{icons} : []; +die "No icons present in \"$yaml_file\".\n" unless ref $icons eq 'ARRAY' && @$icons; +open my $output, '>:encoding(UTF-8)', $output_file or die "Can't open output file \"$output_file\": $!\n"; + +# define function to camelize IDs +sub camelize ($s) { $s =~ s/(-)?([\w']+)/\u\L$2/g; $s } + +# generate enum values +for my $icon (@$icons) { + my $id = $icon->{id}; + my $name = $icon->{name}; + my $unicode = $icon->{unicode}; + my $created = $icon->{created} // '?'; + my $categories = ref $icon->{categories} eq 'ARRAY' ? $icon->{categories} : []; + die "Icon definition in \"$yaml_file\" is incomplete.\n" unless $id && $name && $unicode; + + my $category = join ',', @$categories; + my $camelized_id = camelize $id; + $camelized_id = "Icon$camelized_id" if $camelized_id =~ qr/^\d+.*/; + print $output "$camelized_id = 0x$unicode, /**< $id: name: $name, created: $created, category: $category */\n"; +} diff --git a/tests/rendering.cpp b/tests/rendering.cpp new file mode 100644 index 0000000..a3a24f1 --- /dev/null +++ b/tests/rendering.cpp @@ -0,0 +1,37 @@ +#include "../qtforkawesome.h" + +#include + +#include +#include +#include + +using namespace CppUtilities; + +class RendererTests : public QObject { + Q_OBJECT + +private Q_SLOTS: + void testRender(); +}; + +void RendererTests::testRender() +{ + // render two random icons + auto renderer = QtForkAwesome::Renderer(); + const auto globe = renderer.pixmap(QtForkAwesome::Icon::Globe, QSize(80, 64), Qt::green); + QCOMPARE(globe.width(), 80 * globe.devicePixelRatio()); + QCOMPARE(globe.height(), 64 * globe.devicePixelRatio()); + const auto hashtag = renderer.pixmap(QtForkAwesome::Icon::Hashtag, QSize(50, 64), Qt::blue); + QCOMPARE(hashtag.width(), 50 * hashtag.devicePixelRatio()); + QCOMPARE(hashtag.height(), 64 * hashtag.devicePixelRatio()); + + // save the icons as PNGs to check manually whether they look as expected + const auto workingDirectory = QString::fromStdString(TestApplication().workingDirectory()); + QDir().mkpath(workingDirectory); + globe.save(workingDirectory + QStringLiteral("/globe.png")); + hashtag.save(workingDirectory + QStringLiteral("/hashtag.png")); +} + +QTEST_MAIN(RendererTests) +#include "rendering.moc"