From 8e5052e93380c5d0345cab2a7447364073540a95 Mon Sep 17 00:00:00 2001
From: Ivailo Monev <xakepa10@gmail.com>
Date: Sat, 26 Feb 2022 16:09:13 +0200
Subject: [PATCH] utility to convert from one format to other

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
---
 util/CMakeLists.txt         |  1 +
 util/imgconv/CMakeLists.txt | 19 ++++++++++++++
 util/imgconv/README         |  1 +
 util/imgconv/main.cpp       | 62 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 83 insertions(+)
 create mode 100644 util/imgconv/CMakeLists.txt
 create mode 100644 util/imgconv/README
 create mode 100644 util/imgconv/main.cpp

diff --git a/util/CMakeLists.txt b/util/CMakeLists.txt
index 2e1bec09a..f9959839b 100644
--- a/util/CMakeLists.txt
+++ b/util/CMakeLists.txt
@@ -3,3 +3,4 @@ add_subdirectory(lexgen)
 add_subdirectory(normalize)
 add_subdirectory(plugintest)
 add_subdirectory(qlalr)
+add_subdirectory(imgconv)
diff --git a/util/imgconv/CMakeLists.txt b/util/imgconv/CMakeLists.txt
new file mode 100644
index 000000000..1e73fbee8
--- /dev/null
+++ b/util/imgconv/CMakeLists.txt
@@ -0,0 +1,19 @@
+# add_definitions()
+set(EXTRA_IMGCONV_LIBS KtCore KtGui)
+
+include_directories(
+    ${CMAKE_BINARY_DIR}/include
+    ${CMAKE_BINARY_DIR}/privateinclude
+    ${CMAKE_BINARY_DIR}/include/QtCore
+    ${CMAKE_BINARY_DIR}/include/QtGui
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+set(IMGCONV_SOURCES
+    ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
+)
+
+katie_setup_target(imgconv ${IMGCONV_SOURCES})
+
+add_executable(imgconv ${imgconv_SOURCES})
+target_link_libraries(imgconv ${EXTRA_IMGCONV_LIBS})
diff --git a/util/imgconv/README b/util/imgconv/README
new file mode 100644
index 000000000..4dedabe08
--- /dev/null
+++ b/util/imgconv/README
@@ -0,0 +1 @@
+This utility will convert any readable image format to any writable format.
diff --git a/util/imgconv/main.cpp b/util/imgconv/main.cpp
new file mode 100644
index 000000000..7be6e5580
--- /dev/null
+++ b/util/imgconv/main.cpp
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 Ivailo Monev
+**
+** This file is part of the utils of the Katie Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qdebug.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qfileinfo.h>
+#include <QtGui/qimagereader.h>
+
+QT_USE_NAMESPACE
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication app(argc, argv);
+
+    const QStringList args = app.arguments().mid(1);
+    if (args.size() != 2) {
+        qWarning() << "Usage: imgconv <input> <output>";
+        return 1;
+    }
+
+    const QString inputpath(args.at(0));
+    QImageReader imagereader(inputpath);
+    QImage inputimage = imagereader.read();
+    if (inputimage.isNull()) {
+        qWarning() << "Cannot not read" << inputpath << ":" << imagereader.errorString();
+        return 2;
+    }
+
+    const QString outputpath(args.at(1));
+    const QFileInfo outputinfo(outputpath);
+    const QByteArray outputformat(outputinfo.completeSuffix().toLocal8Bit());
+    if (outputformat.isEmpty()) {
+        qWarning() << "Could not determine format for" << outputpath;
+        return 3;
+    }
+
+    if (inputimage.save(outputpath, outputformat) == false) {
+        qWarning() << "Could not save" << outputpath;
+        return 4;
+    }
+
+    return 0;
+}
+
-- 
2.11.0