1 files changed, 122 insertions, 0 deletions
diff --git a/kfile-plugins/gif/kfile_gif.cpp b/kfile-plugins/gif/kfile_gif.cpp
new file mode 100644
index 00000000..3c29f05f
--- /dev/null
+++ b/kfile-plugins/gif/kfile_gif.cpp
@@ -0,0 +1,122 @@
+/*
+ * This file is part of the KDE project, added by Bryce Nesbitt
+ *
+ * This is a plugin for Konqeror/KFile which processes 'extra' information
+ * contained in a .gif image file (In particular the comment, and resolution).
+ *
+ **************************************
+ *
+ * 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 version 2.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include "kfile_gif.h"
+
+#include <kurl.h>
+#include <kprocess.h>
+#include <klocale.h>
+#include <kgenericfactory.h>
+#include <kdebug.h>
+
+#include <qcstring.h>
+#include <qfile.h>
+#include <qdatetime.h>
+#include <qdict.h>
+#include <qvalidator.h>
+#include <qimage.h>
+
+typedef KGenericFactory<KGifPlugin> GifFactory;
+
+K_EXPORT_COMPONENT_FACTORY(kfile_gif, GifFactory("kfile_gif"))
+
+KGifPlugin::KGifPlugin(QObject *parent, const char *name,
+                       const QStringList &args)
+    : KFilePlugin(parent, name, args)
+{
+    kdDebug(7034) << "gif KFileMetaInfo plugin\n";
+
+    KFileMimeTypeInfo* info = addMimeTypeInfo( "image/gif" );
+
+    KFileMimeTypeInfo::GroupInfo* group = 0L;
+
+    group = addGroupInfo(info, "General", i18n("General"));
+
+    KFileMimeTypeInfo::ItemInfo* item;
+
+    item = addItemInfo(group, "Version", i18n("Version"), QVariant::String);
+
+    item = addItemInfo( group, "Dimensions", i18n("Dimensions"), QVariant::Size );
+    setHint( item, KFileMimeTypeInfo::Size );
+    setUnit( item, KFileMimeTypeInfo::Pixels );
+
+    item = addItemInfo(group, "BitDepth", i18n("Bit Depth"), QVariant::Int);
+    setUnit(item, KFileMimeTypeInfo::BitsPerPixel);
+
+}
+
+bool KGifPlugin::readInfo( KFileMetaInfo& info, uint what )
+{
+    Q_UNUSED( what );
+
+    kdDebug(7034) << "gif KFileMetaInfo readInfo\n";
+
+    QFile file(info.path());
+
+    if (!file.open(IO_ReadOnly)) {
+	kdDebug(7034) << "Couldn't open " << QFile::encodeName(info.path()) << endl;
+	return false;
+    }
+
+    QDataStream fstream(&file);
+
+    bool isGIF87a = false;
+    char magic[7];
+    Q_UINT16 width = 0;
+    Q_UINT16 height = 0;
+    Q_UINT8 miscInfo = 0;
+
+    fstream.readRawBytes( magic, 6 ); 
+    magic[6] = 0x00; // null terminate
+
+    // I have special requirements...
+    fstream.setByteOrder( QDataStream::LittleEndian );
+    fstream >> width;
+    fstream >> height;
+    fstream >> miscInfo;
+
+    KFileMetaInfoGroup group = appendGroup(info, "General");
+
+    if ( 0 == strncmp( magic, "GIF89a", 6 ) ) {
+	appendItem( group, "Version", i18n("GIF Version 89a") );
+    } else if ( 0 == strncmp( magic, "GIF87a", 6 ) ) {
+	appendItem( group, "Version", i18n("GIF Version 87a") );
+	isGIF87a = true;
+    } else {
+	appendItem( group, "Version", i18n("Unknown") );
+    }
+
+    appendItem( group, "Dimensions", QSize(width, height) );
+
+    if ( isGIF87a ) {
+	appendItem( group, "BitDepth", ( (miscInfo & 0x07) + 1) );
+    }
+
+    file.close();
+
+    return true;
+}
+
+#include "kfile_gif.moc"