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-rw-r--r--tdefile-plugins/bmp/tdefile_bmp.cpp174
1 files changed, 174 insertions, 0 deletions
diff --git a/tdefile-plugins/bmp/tdefile_bmp.cpp b/tdefile-plugins/bmp/tdefile_bmp.cpp
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+++ b/tdefile-plugins/bmp/tdefile_bmp.cpp
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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 "tdefile_bmp.h"
+
+#include <kprocess.h>
+#include <klocale.h>
+#include <kgenericfactory.h>
+#include <kstringvalidator.h>
+#include <kdebug.h>
+
+#include <tqdict.h>
+#include <tqvalidator.h>
+#include <tqcstring.h>
+#include <tqfile.h>
+#include <tqdatetime.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(tdefile_bmp, BmpFactory( "tdefile_bmp" ))
+
+KBmpPlugin::KBmpPlugin(TQObject *parent, const char *name,
+ const TQStringList &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"), TQVariant::String);
+
+ item = addItemInfo(group, "Dimensions", i18n("Dimensions"), TQVariant::Size);
+ setHint( item, KFileMimeTypeInfo::Size );
+ setUnit(item, KFileMimeTypeInfo::Pixels);
+
+ item = addItemInfo(group, "BitDepth", i18n("Bit Depth"), TQVariant::Int);
+ setUnit(item, KFileMimeTypeInfo::BitsPerPixel);
+
+ item = addItemInfo(group, "Compression", i18n("Compression"), TQVariant::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";
+
+ TQFile file(info.path());
+
+ if (!file.open(IO_ReadOnly))
+ {
+ kdDebug(7034) << "Couldn't open " << TQFile::encodeName(info.path()).data() << endl;
+ return false;
+ }
+
+ TQDataStream dstream(&file);
+
+ // BMP files are little-endian
+ dstream.setByteOrder(TQDataStream::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", TQSize(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 "tdefile_bmp.moc"