qtdeclarative/tools/svgtoqml/main.cpp

152 lines
8.3 KiB
C++

// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QCommandLineParser>
#include <QFile>
#include <QFileInfo>
#include <QQuickWindow>
#include <QQuickItem>
#include <QtQuickVectorImageGenerator/private/qquickitemgenerator_p.h>
#include <QtQuickVectorImageGenerator/private/qquickqmlgenerator_p.h>
#include <QtQuickVectorImageGenerator/private/qquickvectorimageglobal_p.h>
#include <QtGui/qpa/qplatformintegrationfactory_p.h>
#include <QtGui/private/qguiapplication_p.h>
int main(int argc, char *argv[])
{
const QStringList platforms = QPlatformIntegrationFactory::keys();
const bool useOffscreenPlugin = !platforms.contains(QGuiApplication::platformName())
&& qEnvironmentVariableIsEmpty("QT_QPA_PLATFORM")
&& platforms.contains("offscreen");
if (useOffscreenPlugin)
qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("offscreen"));
QGuiApplication app(argc, argv);
QCommandLineParser parser;
parser.setApplicationDescription("SVG to QML converter");
parser.addHelpOption();
parser.addPositionalArgument("input", QCoreApplication::translate("main", "SVG file to read."));
parser.addPositionalArgument("output", QCoreApplication::translate("main", "QML file to write."), "[output]");
QCommandLineOption curveRendererOption({ "c", "curve-renderer" },
QCoreApplication::translate("main", "Use the curve renderer in generated QML."));
parser.addOption(curveRendererOption);
QCommandLineOption optimizeOption({ "p", "optimize-paths" },
QCoreApplication::translate("main", "Optimize paths for the curve renderer."));
parser.addOption(optimizeOption);
QCommandLineOption typeNameOption({ "t", "type-name" },
QCoreApplication::translate("main", "Use <typename> for Shape."),
QCoreApplication::translate("main", "typename"));
parser.addOption(typeNameOption);
QCommandLineOption copyrightOption("copyright-statement",
QCoreApplication::translate("main", "Add <string> as a comment at the start of the generated file."),
QCoreApplication::translate("main", "string"));
parser.addOption(copyrightOption);
QCommandLineOption outlineModeOption("outline-stroke-mode",
QCoreApplication::translate("main", "Stroke the outline (contour) of the filled shape instead of "
"the original path. Also sets optimize-paths."));
parser.addOption(outlineModeOption);
QCommandLineOption assetOutputDirectoryOption("asset-output-directory",
QCoreApplication::translate("main", "If the SVG refers to external or embedded files, such as images, these "
"will be copied into the same directory as the output QML file by default. "
"Set the asset output directory to override the location."),
QCoreApplication::translate("main", "directory"));
parser.addOption(assetOutputDirectoryOption);
QCommandLineOption assetOutputPrefixOption("asset-output-prefix",
QCoreApplication::translate("main", "If the SVG refers to external or embedded files, such as images, these "
"will be copied to files with unique identifiers. By default, the files will be prefixed "
"with \"svg_asset_\". Set the asset output prefix to override the prefix."),
QCoreApplication::translate("main", "prefix"));
parser.addOption(assetOutputPrefixOption);
QCommandLineOption keepPathsOption("keep-external-paths",
QCoreApplication::translate("main", "Any paths to external files will be retained in the QML output. "
"The paths will be reformatted as relative to the output file. If "
"this is not enabled, copies of the file will be saved to the asset output "
"directory. Embedded data will still be saved to files, even if "
"this option is set."));
parser.addOption(keepPathsOption);
QCommandLineOption untrustedOption("no-assume-trusted-source",
QCoreApplication::translate("main", "When parsing the SVG, this enables certain checks and restrictions which "
"are not enabled by default."));
parser.addOption(untrustedOption);
QCommandLineOption guiOption({ "v", "view" },
QCoreApplication::translate("main", "Display the generated QML in a window. This is the default behavior if no "
"output file is specified."));
parser.addOption(guiOption);
parser.process(app);
const QStringList args = parser.positionalArguments();
if (args.size() < 1) {
parser.showHelp(1);
}
const QString inFileName = args.at(0);
QString commentString = QLatin1String("Generated from SVG file %1")
.arg(QFileInfo(inFileName).fileName());
const auto outFileName = args.size() > 1 ? args.at(1) : QString{};
const auto typeName = parser.value(typeNameOption);
const auto assetOutputDirectory = parser.value(assetOutputDirectoryOption);
const auto assetOutputPrefix = parser.value(assetOutputPrefixOption);
const bool keepPaths = parser.isSet(keepPathsOption);
auto copyrightString = parser.value(copyrightOption);
if (!copyrightString.isEmpty()) {
copyrightString = copyrightString.replace("\\n", "\n");
commentString = copyrightString + u"\n" + commentString;
}
QQuickVectorImageGenerator::GeneratorFlags flags;
if (!parser.isSet(untrustedOption))
flags |= QQuickVectorImageGenerator::GeneratorFlag::AssumeTrustedSource;
if (parser.isSet(curveRendererOption))
flags |= QQuickVectorImageGenerator::GeneratorFlag::CurveRenderer;
if (parser.isSet(optimizeOption))
flags |= QQuickVectorImageGenerator::GeneratorFlag::OptimizePaths;
if (parser.isSet(outlineModeOption))
flags |= (QQuickVectorImageGenerator::GeneratorFlag::OutlineStrokeMode
| QQuickVectorImageGenerator::GeneratorFlag::OptimizePaths);
QQuickQmlGenerator generator(inFileName, flags, outFileName);
generator.setShapeTypeName(typeName);
generator.setCommentString(commentString);
generator.setAssetFileDirectory(assetOutputDirectory);
generator.setAssetFilePrefix(assetOutputPrefix);
generator.setRetainFilePaths(keepPaths);
bool ok = generator.generate() && generator.save();
if (!useOffscreenPlugin && ok && (parser.isSet(guiOption) || outFileName.isEmpty())) {
app.setOrganizationName("QtProject");
const QUrl url(QStringLiteral("qrc:/main.qml"));
QQmlApplicationEngine engine;
QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
&app, [&](QObject *obj, const QUrl &objUrl){
if (!obj && url == objUrl)
QCoreApplication::exit(-1);
if (obj) {
auto *containerItem = obj->findChild<QQuickItem*>(QStringLiteral("svg_item"));
QQuickItemGenerator generator(inFileName, flags, containerItem, engine.rootContext());
generator.generate();
}
});
engine.load(url);
return app.exec();
}
return ok ? 0 : 1;
}