From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kfile-plugins/gif/kfile_gif.cpp | 122 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 kfile-plugins/gif/kfile_gif.cpp (limited to 'kfile-plugins/gif/kfile_gif.cpp') 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 +#include "kfile_gif.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +typedef KGenericFactory 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" -- cgit v1.2.3