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diff --git a/kipi-plugins/jpeglossless/convert2grayscale.h b/kipi-plugins/jpeglossless/convert2grayscale.h
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+++ b/kipi-plugins/jpeglossless/convert2grayscale.h
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+/* ============================================================
+ *
+ * This file is a part of kipi-plugins project
+ * http://www.kipi-plugins.org
+ *
+ * Date        : 2003-10-14
+ * Description : batch images grayscale conversion
+ *
+ * Copyright (C) 2004-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
+ * Copyright (C) 2003-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * ============================================================ */
+
+#ifndef convert2grayscale_H
+#define convert2grayscale_H
+
+// Qt includes.
+
+#include <qobject.h>
+#include <qstring.h>
+
+class KTempFile;
+class KProcess;
+
+namespace KIPIJPEGLossLessPlugin
+{
+
+class ImageGrayScale : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    ImageGrayScale();
+    ~ImageGrayScale();
+
+    bool image2GrayScale(const QString& src, QString& err);
+
+private slots:
+
+    void slotReadStderr(KProcess*, char*, int);
+
+private:
+
+    bool image2GrayScaleJPEG(const QString& src, const QString& dest, QString& err);
+    bool image2GrayScaleImageMagick(const QString& src, const QString& dest, QString& err);
+
+private:
+
+    QString    m_stdErr;
+
+    KTempFile *m_tmpFile;
+};
+
+}  // NameSpace KIPIJPEGLossLessPlugin
+
+#endif /* convert2grayscale_H */