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https://invent.kde.org/frameworks/kimageformats.git
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Add imagedump: a utility to dump the raw data of a QImage
This is intended as an aid when writing and debugging imageformat plugins. It creates a file containing the bytes of QImage::bits(), which can then be viewed in Okteta. REVIEW: 116532
This commit is contained in:
Alex Merry
parent
6d24f585b1
commit
e29a897cb9
@ -12,4 +12,5 @@ endmacro()
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kimageformats_executable_tests(
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imageconverter
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imagedump
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)
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231
tests/imagedump.cpp
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231
tests/imagedump.cpp
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@ -0,0 +1,231 @@
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/*
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* Copyright 2013 Alex Merry <alex.merry@kdemail.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) version 3, or any
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* later version accepted by the membership of KDE e.V. (or its
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* successor approved by the membership of KDE e.V.), which shall
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* act as a proxy defined in Section 6 of version 3 of the license.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <QCommandLineOption>
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#include <QCommandLineParser>
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#include <QCoreApplication>
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#include <QDebug>
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#include <QImageReader>
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#include <QFile>
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#include <QMetaObject>
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#include <QMetaEnum>
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#include <QTextStream>
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QImage::Format formatFromString(const QString &str)
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{
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if (str.compare(QLatin1String("Mono"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_Mono;
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} else if (str.compare(QLatin1String("MonoLSB"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_MonoLSB;
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} else if (str.compare(QLatin1String("Indexed8"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_Indexed8;
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} else if (str.compare(QLatin1String("RGB32"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB32;
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} else if (str.compare(QLatin1String("ARGB32"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB32;
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} else if (str.compare(QLatin1String("ARGB32_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB32_Premultiplied;
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} else if (str.compare(QLatin1String("RGB16"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB16;
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} else if (str.compare(QLatin1String("ARGB8565_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB8565_Premultiplied;
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} else if (str.compare(QLatin1String("RGB666"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB666;
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} else if (str.compare(QLatin1String("ARGB6666_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB6666_Premultiplied;
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} else if (str.compare(QLatin1String("RGB555"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB555;
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} else if (str.compare(QLatin1String("ARGB8555_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB8555_Premultiplied;
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} else if (str.compare(QLatin1String("RGB888"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB888;
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} else if (str.compare(QLatin1String("RGB444"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGB444;
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} else if (str.compare(QLatin1String("ARGB4444_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_ARGB4444_Premultiplied;
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} else if (str.compare(QLatin1String("RGBX8888"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGBX8888;
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} else if (str.compare(QLatin1String("RGBA8888"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGBA8888;
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} else if (str.compare(QLatin1String("RGBA8888_Premultiplied"), Qt::CaseInsensitive) == 0) {
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return QImage::Format_RGBA8888_Premultiplied;
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} else {
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return QImage::Format_Invalid;
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}
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}
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QString formatToString(QImage::Format format)
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{
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switch (format) {
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case QImage::Format_Invalid:
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return QStringLiteral("Invalid");
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case QImage::Format_Mono:
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return QStringLiteral("Mono");
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case QImage::Format_MonoLSB:
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return QStringLiteral("MonoLSB");
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case QImage::Format_Indexed8:
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return QStringLiteral("Indexed8");
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case QImage::Format_RGB32:
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return QStringLiteral("RGB32");
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case QImage::Format_ARGB32:
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return QStringLiteral("ARGB32");
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case QImage::Format_ARGB32_Premultiplied:
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return QStringLiteral("ARGB32_Premultiplied");
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case QImage::Format_RGB16:
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return QStringLiteral("RGB16");
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case QImage::Format_ARGB8565_Premultiplied:
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return QStringLiteral("ARGB8565_Premultiplied");
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case QImage::Format_RGB666:
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return QStringLiteral("RGB666");
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case QImage::Format_ARGB6666_Premultiplied:
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return QStringLiteral("ARGB6666_Premultiplied");
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case QImage::Format_RGB555:
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return QStringLiteral("RGB555");
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case QImage::Format_ARGB8555_Premultiplied:
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return QStringLiteral("ARGB8555_Premultiplied");
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case QImage::Format_RGB888:
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return QStringLiteral("RGB888");
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case QImage::Format_RGB444:
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return QStringLiteral("RGB444");
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case QImage::Format_ARGB4444_Premultiplied:
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return QStringLiteral("ARGB4444_Premultiplied");
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case QImage::Format_RGBX8888:
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return QStringLiteral("RGBX8888");
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case QImage::Format_RGBA8888:
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return QStringLiteral("RGBA8888");
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case QImage::Format_RGBA8888_Premultiplied:
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return QStringLiteral("RGBA8888_Premultiplied");
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default:
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return QLatin1String("<unknown:") +
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QString::number(int(format)) +
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QLatin1String(">");
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}
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}
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int main(int argc, char **argv)
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{
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QCoreApplication app(argc, argv);
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QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
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QCoreApplication::setApplicationName(QStringLiteral("imagedump"));
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QCoreApplication::setApplicationVersion(QStringLiteral("1.0.0.0"));
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QCommandLineParser parser;
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parser.setApplicationDescription(QStringLiteral("Dumps the content of QImage::bits()"));
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parser.addHelpOption();
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parser.addVersionOption();
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parser.addPositionalArgument(QStringLiteral("image"), QStringLiteral("image file"));
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parser.addPositionalArgument(QStringLiteral("datafile"), QStringLiteral("file QImage data should be written to"));
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QCommandLineOption informat(
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QStringList() << QStringLiteral("f") << QStringLiteral("file-format"),
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QStringLiteral("Image file format"),
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QStringLiteral("format"));
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parser.addOption(informat);
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QCommandLineOption qimgformat(
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QStringList() << QStringLiteral("q") << QStringLiteral("qimage-format"),
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QStringLiteral("QImage data format"),
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QStringLiteral("format"));
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parser.addOption(qimgformat);
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QCommandLineOption listformats(
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QStringList() << QStringLiteral("l") << QStringLiteral("list-file-formats"),
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QStringLiteral("List supported image file formats"));
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parser.addOption(listformats);
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QCommandLineOption listqformats(
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QStringList() << QStringLiteral("p") << QStringLiteral("list-qimage-formats"),
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QStringLiteral("List supported QImage data formats"));
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parser.addOption(listqformats);
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parser.process(app);
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const QStringList files = parser.positionalArguments();
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if (parser.isSet(listformats)) {
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QTextStream out(stdout);
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out << "File formats:\n";
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foreach (const QByteArray &fmt, QImageReader::supportedImageFormats()) {
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out << " " << fmt << '\n';
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}
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return 0;
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}
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if (parser.isSet(listqformats)) {
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QTextStream(stdout)
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<< "QImage formats:\n"
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<< " Mono\n"
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<< " MonoLSB\n"
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<< " Indexed8\n"
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<< " RGB32\n"
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<< " ARGB32\n"
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<< " ARGB32_Premultiplied\n"
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<< " RGB16\n"
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<< " ARGB8565_Premultiplied\n"
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<< " RGB666\n"
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<< " ARGB6666_Premultiplied\n"
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<< " RGB555\n"
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<< " ARGB8555_Premultiplied\n"
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<< " RGB888\n"
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<< " RGB444\n"
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<< " ARGB4444_Premultiplied\n"
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<< " RGBX8888\n"
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<< " RGBA8888\n"
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<< " RGBA8888_Premultiplied\n";
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return 0;
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}
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if (files.count() != 2) {
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QTextStream(stderr) << "Must provide exactly two files\n";
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parser.showHelp(1);
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}
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QImageReader reader(files.at(0), parser.value(informat).toLatin1());
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QImage img = reader.read();
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if (img.isNull()) {
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QTextStream(stderr) << "Could not read image: "
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<< reader.errorString() << '\n';
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return 2;
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}
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QFile output(files.at(1));
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if (!output.open(QIODevice::WriteOnly)) {
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QTextStream(stderr) << "Could not open " << files.at(1)
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<< " for writing: "
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<< output.errorString() << '\n';
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return 3;
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}
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if (parser.isSet(qimgformat)) {
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QImage::Format qformat = formatFromString(parser.value(qimgformat));
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if (qformat == QImage::Format_Invalid) {
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QTextStream(stderr) << "Unknown QImage data format "
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<< parser.value(qimgformat) << '\n';
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return 4;
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}
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img = img.convertToFormat(qformat);
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}
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qint64 written = output.write(reinterpret_cast<const char *>(img.bits()), img.byteCount());
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if (written != img.byteCount()) {
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QTextStream(stderr) << "Could not write image data to " << files.at(1)
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<< ":" << output.errorString() << "\n";
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return 5;
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}
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QTextStream(stdout) << "Created " << files.at(1) << " with data format "
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<< formatToString(img.format()) << "\n";
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return 0;
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}
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