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-rw-r--r--kfile-plugins/gif/kfile_gif.cpp122
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diff --git a/kfile-plugins/gif/kfile_gif.cpp b/kfile-plugins/gif/kfile_gif.cpp
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+/*
+ * 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"