diff options
Diffstat (limited to 'kfile-plugins/pnm')
| -rw-r--r-- | kfile-plugins/pnm/Makefile.am | 22 | ||||
| -rw-r--r-- | kfile-plugins/pnm/kfile_pnm.cpp | 137 | ||||
| -rw-r--r-- | kfile-plugins/pnm/kfile_pnm.desktop | 60 | ||||
| -rw-r--r-- | kfile-plugins/pnm/kfile_pnm.h | 39 |
4 files changed, 258 insertions, 0 deletions
diff --git a/kfile-plugins/pnm/Makefile.am b/kfile-plugins/pnm/Makefile.am new file mode 100644 index 00000000..7148232a --- /dev/null +++ b/kfile-plugins/pnm/Makefile.am @@ -0,0 +1,22 @@ +## Makefile.am for pnm file meta info plugin + +# set the include path for X, qt and KDE +INCLUDES = $(all_includes) + +# these are the headers for your project +noinst_HEADERS = kfile_pnm.h + +kde_module_LTLIBRARIES = kfile_pnm.la + +kfile_pnm_la_SOURCES = kfile_pnm.cpp +kfile_pnm_la_LDFLAGS = $(all_libraries) -module $(KDE_PLUGIN) +kfile_pnm_la_LIBADD = $(LIB_KIO) + +# let automoc handle all of the meta source files (moc) +METASOURCES = AUTO + +messages: + $(XGETTEXT) *.cpp -o $(podir)/kfile_pnm.pot + +services_DATA = kfile_pnm.desktop +servicesdir = $(kde_servicesdir) diff --git a/kfile-plugins/pnm/kfile_pnm.cpp b/kfile-plugins/pnm/kfile_pnm.cpp new file mode 100644 index 00000000..b0a1dcca --- /dev/null +++ b/kfile-plugins/pnm/kfile_pnm.cpp @@ -0,0 +1,137 @@ +/* This file is part of the KDE project + * Copyright (C) 2003 Volker Krause <volker.krause@rwth-aachen.de> + * + * 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 "kfile_pnm.h" + +#include <math.h> +#include <kgenericfactory.h> +#include <qfile.h> +#include <qtextstream.h> + +static const char* formats[] = { + I18N_NOOP("plain"), + I18N_NOOP("raw") +}; + +typedef KGenericFactory<KPnmPlugin> PnmFactory; + +K_EXPORT_COMPONENT_FACTORY(kfile_pnm, PnmFactory("kfile_pnm")) + +KPnmPlugin::KPnmPlugin(QObject *parent, const char *name, const QStringList &args) : KFilePlugin(parent, name, args) +{ + makeMimeTypeInfo( "image/x-portable-bitmap" ); + makeMimeTypeInfo( "image/x-portable-greymap" ); + makeMimeTypeInfo( "image/x-portable-pixmap" ); +} + +void KPnmPlugin::makeMimeTypeInfo(const QString& mimetype) +{ + KFileMimeTypeInfo* info = addMimeTypeInfo( mimetype ); + + KFileMimeTypeInfo::GroupInfo* group = 0; + KFileMimeTypeInfo::ItemInfo* item = 0; + + group = addGroupInfo(info, "General", i18n("General")); + + addItemInfo(group, "Format", i18n("Format"), QVariant::String); + + item = addItemInfo(group, "Dimensions", i18n("Dimensions"), QVariant::Size); + setUnit(item, KFileMimeTypeInfo::Pixels); + + item = addItemInfo(group, "BitDepth", i18n("Bit Depth"), QVariant::Int); + setUnit(item, KFileMimeTypeInfo::BitsPerPixel); + + addItemInfo(group, "Comment", i18n("Comment"), QVariant::String); +} + + +bool KPnmPlugin::readInfo( KFileMetaInfo& info, uint /*what*/) +{ + QFile f(info.path()); + if(!f.open(IO_ReadOnly)) + return false; + if(f.size() <= 2) + return false; + QTextStream stream(&f); + + char c; + stream >> c; + if(c != 'P') + return false; + + // image format and type + int n; + stream >> n; + int format = (n - 1) / 3; + if(format != 0 && format != 1) + return false; + int type = (n - 1) % 3; + + QString comments, buffer; + while(!stream.atEnd()) { + stream >> c; + // comment + if( c == '#') { + buffer = stream.readLine(); + comments += buffer.stripWhiteSpace(); + comments += '\n'; + } + // image size + // unfortunately Qt doesn't have some kind of push-back method for + // QTextStream, so we need to manually decode the first part of the + // image size. + if( c >= '0' && c <= '9' ) { + buffer = ""; + QChar tmp(c); + while(!stream.atEnd() && tmp.isDigit()) { + buffer += tmp; + stream >> tmp; + } + break; + } + } + + // image size + int x, y, max; + x = buffer.toInt(); + stream >> y; + stream >> max; + + // bit depth + // PNM doesn't provide a conventional bit depth value, only the highest value + // per pixel. To have comparable values with other formats, we convert it to + // a normal bit depth value. + int bpp = 1; + if(type != 0) + bpp = (int)ceil(log((double)max) / log(2.0)); + if(type == 2) + bpp *= 3; + + KFileMetaInfoGroup group = appendGroup(info, "General"); + appendItem(group, "Format", formats[format]); + appendItem(group, "Dimensions", QSize(x, y)); + if(!comments.isEmpty()) + appendItem(group, "Comment", comments.stripWhiteSpace()); + appendItem(group, "BitDepth", bpp); + + f.close(); + return true; +} + +#include "kfile_pnm.moc" diff --git a/kfile-plugins/pnm/kfile_pnm.desktop b/kfile-plugins/pnm/kfile_pnm.desktop new file mode 100644 index 00000000..cfb475d2 --- /dev/null +++ b/kfile-plugins/pnm/kfile_pnm.desktop @@ -0,0 +1,60 @@ +[Desktop Entry] +Type=Service +Name=PNM Info +Name[ar]=معلومات PNM +Name[br]=Titouroù PNM +Name[ca]=Informació de PNM +Name[cs]=PNM info +Name[cy]=Gybodaeth PNM +Name[da]=PNG-info +Name[de]=PNM-Info +Name[el]=Πληροφορίες PNM +Name[eo]=PNM-informo +Name[es]=Info PNM +Name[et]=PNM info +Name[fa]=اطلاعات PNM +Name[fi]=PNM-tiedot +Name[fr]=Informations PNM +Name[gl]=Inf. PNM +Name[he]=מידע PNM +Name[hi]=PNM जानकारी +Name[hu]=PNM-jellemzők +Name[is]=PNM upplýsingar +Name[it]=Informazioni PNM +Name[ja]=PNM 情報 +Name[kk]=PNM мәліметі +Name[km]=ព័ត៌មាន PNM +Name[lt]=PNM informacija +Name[ms]=Maklumat PNM +Name[nb]=PNM-info +Name[nds]=PNM-Info +Name[ne]=PNM सूचना +Name[nl]=PNG-info +Name[nn]=PNM-info +Name[pa]=PNM ਜਾਣਕਾਰੀ +Name[pl]=Informacja o pliku PNM +Name[pt]=Informação do PNM +Name[pt_BR]=Informação sobre PNG +Name[ro]=Informaţii PNM +Name[ru]=Информация о PNM +Name[se]=PNM-dieđut +Name[sl]=Podatki o PNM +Name[sr]=PNM информације +Name[sr@Latn]=PNM informacije +Name[sv]=PNM-information +Name[ta]=PNM தகவல் +Name[tg]=Иттилоот оиди PNM +Name[th]=ข้อมูลแฟ้ม PNM +Name[tr]=PNM Bilgisi +Name[uk]=Інформація про PNM +Name[uz]=PNM haqida maʼlumot +Name[uz@cyrillic]=PNM ҳақида маълумот +Name[wa]=Informåcion sol imådje PNM +Name[zh_CN]=PNM 信息 +Name[zh_HK]=PNM 資訊 +Name[zh_TW]=PNM 資訊 +ServiceTypes=KFilePlugin +X-KDE-Library=kfile_pnm +MimeType=image/x-portable-bitmap;image/x-portable-greymap;image/x-portable-pixmap +PreferredGroups=General +PreferredItems=Format,Dimensions,BitDepth,Comment diff --git a/kfile-plugins/pnm/kfile_pnm.h b/kfile-plugins/pnm/kfile_pnm.h new file mode 100644 index 00000000..4f1043e5 --- /dev/null +++ b/kfile-plugins/pnm/kfile_pnm.h @@ -0,0 +1,39 @@ +/* This file is part of the KDE project + * Copyright (C) 2003 Volker Krause <volker.krause@rwth-aachen.de> + * + * 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. + * + */ + +#ifndef __KFILE_PNM_H__ +#define __KFILE_PNM_H__ + +#include <kfilemetainfo.h> + +class QStringList; + +class KPnmPlugin: public KFilePlugin +{ + Q_OBJECT + +public: + KPnmPlugin( QObject *parent, const char *name, const QStringList& preferredItems ); + virtual bool readInfo( KFileMetaInfo& info, uint ); + +private: + void makeMimeTypeInfo( const QString&); +}; + +#endif |