87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#include <QCommandLineParser>
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#include <QCoreApplication>
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#include <QDir>
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#include <QFileInfo>
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#include <QImage>
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#define ALPHA8STRING QLatin1String("alpha8")
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static bool convertImageTo(const QString &originPath, const QString &targetPath)
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{
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QImage originImage(originPath);
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if (originImage.isNull())
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return false;
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const auto fi = QFileInfo(originPath);
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const QString &suffix = fi.suffix();
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// ###(Chen bin): The tool only determines whether the image is suitable
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// for conversion，and does not judge the palette.
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if ((originImage.width() % 2) || (originImage.height() % 2))
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return false;
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auto tmp = originImage.convertToFormat(QImage::Format_Alpha8);
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QImage alpha(tmp.constBits(), tmp.width(), tmp.height(), tmp.bytesPerLine(), QImage::Format_Grayscale8);
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return alpha.save(targetPath, suffix.toLocal8Bit());
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}
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static bool convertImageFrom(const QString &originPath, const QString &targetPath) {
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QString path(originPath);
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auto fi = QFileInfo(originPath);
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QString suffix = fi.suffix();
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if (suffix.compare(ALPHA8STRING, Qt::CaseInsensitive))
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return false; // No convert to alpha8.
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path.remove(QLatin1Char('.') + fi.suffix());
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QImage originImage(originPath);
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if (originPath.isNull() || originImage.format() != QImage::Format_Grayscale8)
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return false;
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suffix = QFileInfo(path).suffix();
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QImage targetImage(originImage.bits(), originImage.width(), originImage.height(),
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originImage.bytesPerLine(), QImage::Format_Alpha8);
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return targetImage.save(targetPath, suffix.toLocal8Bit());
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}
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int main(int argc, char *argv[])
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{
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QCoreApplication a(argc, argv);
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a.setApplicationName("dci-image-converter");
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a.setApplicationVersion("0.0.1");
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QCommandLineParser commandParser;
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auto options = QList<QCommandLineOption> {
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QCommandLineOption("toAlpha8", "Convert image format to alpha8.", "targetPath"),
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QCommandLineOption("fromAlpha8", "Convert image format from alpha8.", "targetPath"),
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};
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commandParser.addOptions(options);
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commandParser.addPositionalArgument("sourcesPath", "The file path of the original image to be converted.",
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"[dir1 dir2...]/[file1 file2...]");
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commandParser.addHelpOption();
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commandParser.addVersionOption();
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commandParser.process(a);
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auto arguments = commandParser.positionalArguments();
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if (arguments.isEmpty())
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commandParser.showHelp(-1);
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if (commandParser.isSet(options.at(0))) {
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if (!convertImageTo(arguments.first(), commandParser.value(options.at(0)))) {
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printf("Convert image failed.\n");
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return 1;
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}
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} else if (commandParser.isSet(options.at(1))) {
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if (!convertImageFrom(arguments.first(), commandParser.value(options.at(1)))) {
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printf("Convert image failed.\n");
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return 1;
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}
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} else {
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commandParser.showHelp(-1);
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}
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return 0;
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}
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