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/* This file is part of the KDE project
* Copyright (C) 2002 Shane Wright <me@shanewright.co.uk>
*
* 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 <config.h>
#include "kfile_bmp.h"
#include <kprocess.h>
#include <klocale.h>
#include <kgenericfactory.h>
#include <kstringvalidator.h>
#include <kdebug.h>
#include <qdict.h>
#include <qvalidator.h>
#include <qcstring.h>
#include <qfile.h>
#include <qdatetime.h>
#if !defined(__osf__)
#include <inttypes.h>
#else
typedef unsigned long uint32_t;
typedef unsigned short uint16_t;
#endif
typedef KGenericFactory<KBmpPlugin> BmpFactory;
K_EXPORT_COMPONENT_FACTORY(kfile_bmp, BmpFactory( "kfile_bmp" ))
KBmpPlugin::KBmpPlugin(QObject *parent, const char *name,
const QStringList &args)
: KFilePlugin(parent, name, args)
{
KFileMimeTypeInfo* info = addMimeTypeInfo( "image/x-bmp" );
KFileMimeTypeInfo::GroupInfo* group = 0L;
group = addGroupInfo(info, "Technical", i18n("Technical Details"));
KFileMimeTypeInfo::ItemInfo* item;
item = addItemInfo(group, "Type", i18n("Type"), 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);
item = addItemInfo(group, "Compression", i18n("Compression"), QVariant::String);
}
bool KBmpPlugin::readInfo( KFileMetaInfo& info, uint what)
{
const char * bmptype_bm = "BM";
const char * bmptype_ba = "BA";
const char * bmptype_ci = "CI";
const char * bmptype_cp = "CP";
const char * bmptype_ic = "IC";
const char * bmptype_pt = "PT";
QFile file(info.path());
if (!file.open(IO_ReadOnly))
{
kdDebug(7034) << "Couldn't open " << QFile::encodeName(info.path()) << endl;
return false;
}
QDataStream dstream(&file);
// BMP files are little-endian
dstream.setByteOrder(QDataStream::LittleEndian);
// create this now because we output image type early on
KFileMetaInfoGroup group = appendGroup(info, "Technical");
// read the beginning of the file and make sure it looks ok
unsigned char * bmp_id = (unsigned char *) malloc(2);
file.readBlock((char *) bmp_id, 2);
if (memcmp(bmp_id, bmptype_bm, 2) == 0) {
appendItem(group, "Type", i18n("Windows Bitmap"));
} else if (memcmp(bmp_id, bmptype_ba, 2) == 0) {
appendItem(group, "Type", i18n("OS/2 Bitmap Array"));
} else if (memcmp(bmp_id, bmptype_ci, 2) == 0) {
appendItem(group, "Type", i18n("OS/2 Color Icon"));
} else if (memcmp(bmp_id, bmptype_cp, 2) == 0) {
appendItem(group, "Type", i18n("OS/2 Color Pointer"));
} else if (memcmp(bmp_id, bmptype_ic, 2) == 0) {
appendItem(group, "Type", i18n("OS/2 Icon"));
} else if (memcmp(bmp_id, bmptype_pt, 2) == 0) {
appendItem(group, "Type", i18n("OS/2 Pointer"));
} else {
return false;
}
free(bmp_id);
// read the next bits, we ignore them, but anyways...
uint32_t bmp_size;
uint16_t bmp_reserved1;
uint16_t bmp_reserved2;
uint32_t bmp_offbits;
dstream >> bmp_size;
dstream >> bmp_reserved1;
dstream >> bmp_reserved2;
dstream >> bmp_offbits;
// we should now be at the file info structure
uint32_t bmpi_size;
uint32_t bmpi_width;
uint32_t bmpi_height;
uint16_t bmpi_planes;
uint16_t bmpi_bitcount;
uint32_t bmpi_compression;
dstream >> bmpi_size;
dstream >> bmpi_width;
dstream >> bmpi_height;
dstream >> bmpi_planes;
dstream >> bmpi_bitcount;
dstream >> bmpi_compression;
// output the useful bits
appendItem(group, "Dimensions", QSize(bmpi_width, bmpi_height));
appendItem(group, "BitDepth", bmpi_bitcount);
switch (bmpi_compression) {
case 0 :
appendItem(group, "Compression", i18n("None"));
break;
case 1 :
appendItem(group, "Compression", i18n("RLE 8bit/pixel"));
break;
case 2 :
appendItem(group, "Compression", i18n("RLE 4bit/pixel"));
break;
case 3 :
appendItem(group, "Compression", i18n("Bitfields"));
break;
default :
appendItem(group, "Compression", i18n("Unknown"));
}
return true;
}
#include "kfile_bmp.moc"
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