1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
SPDX-FileCopyrightText: 2013 Alex Merry <alex.merry@kdemail.net>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include <stdio.h>
#include <QCommandLineOption>
#include <QCommandLineParser>
#include <QCoreApplication>
#include <QDebug>
#include <QImageReader>
#include <QImageWriter>
#include <QTextStream>
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
QCoreApplication::setApplicationName(QStringLiteral("imageconverter"));
QCoreApplication::setApplicationVersion(QStringLiteral("1.01.01.0"));
QCommandLineParser parser;
parser.setApplicationDescription(QStringLiteral("Converts images from one format to another"));
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument(QStringLiteral("in"), QStringLiteral("input image file"));
parser.addPositionalArgument(QStringLiteral("out"), QStringLiteral("output image file"));
QCommandLineOption informat(QStringList() << QStringLiteral("i") << QStringLiteral("informat"),
QStringLiteral("Image format for input file"),
QStringLiteral("format"));
parser.addOption(informat);
QCommandLineOption outformat(QStringList() << QStringLiteral("o") << QStringLiteral("outformat"),
QStringLiteral("Image format for output file"),
QStringLiteral("format"));
parser.addOption(outformat);
QCommandLineOption listformats(QStringList() << QStringLiteral("l") << QStringLiteral("list"), QStringLiteral("List supported image formats"));
parser.addOption(listformats);
QCommandLineOption listmimes(QStringList() << QStringLiteral("m") << QStringLiteral("listmime"), QStringLiteral("List supported image mime formats"));
parser.addOption(listmimes);
parser.process(app);
const QStringList files = parser.positionalArguments();
if (parser.isSet(listformats)) {
QTextStream out(stdout);
out << "Input formats:\n";
const auto lstReaderSupportedFormats = QImageReader::supportedImageFormats();
for (const QByteArray &fmt : lstReaderSupportedFormats) {
out << " " << fmt << '\n';
}
out << "Output formats:\n";
const auto lstWriterSupportedFormats = QImageWriter::supportedImageFormats();
for (const QByteArray &fmt : lstWriterSupportedFormats) {
out << " " << fmt << '\n';
}
return 0;
}
if (parser.isSet(listmimes)) {
QTextStream out(stdout);
out << "Input mime formats:\n";
const auto lstReaderSupportedMimes = QImageReader::supportedMimeTypes();
for (const QByteArray &fmt : lstReaderSupportedMimes) {
out << " " << fmt << '\n';
}
out << "Output mime formats:\n";
const auto lstWriterSupportedMimes = QImageWriter::supportedMimeTypes();
for (const QByteArray &fmt : lstWriterSupportedMimes) {
out << " " << fmt << '\n';
}
return 0;
}
if (files.count() != 2) {
QTextStream(stdout) << "Must provide exactly two files\n";
parser.showHelp(1);
}
QImageReader reader(files.at(0), parser.value(informat).toLatin1());
QImage img = reader.read();
if (img.isNull()) {
QTextStream(stdout) << "Could not read image: " << reader.errorString() << '\n';
return 2;
}
QImageWriter writer(files.at(1), parser.value(outformat).toLatin1());
if (!writer.write(img)) {
QTextStream(stdout) << "Could not write image: " << writer.errorString() << '\n';
return 3;
}
return 0;
}
|
