1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* This file is part of the KDE project
* Copyright (C) 2004 Melchior FRANZ <mfranz@kde.org>
*
* 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_rgb.h"
#include <tqfile.h>
#include <tqvalidator.h>
#include <kdebug.h>
#include <kgenericfactory.h>
typedef KGenericFactory<KRgbPlugin> RgbFactory;
K_EXPORT_COMPONENT_FACTORY(kfile_rgb, RgbFactory("kfile_rgb"))
KRgbPlugin::KRgbPlugin(TQObject *parent, const char *name, const TQStringList &args) :
KFilePlugin(parent, name, args)
{
KFileMimeTypeInfo* info = addMimeTypeInfo("image/x-rgb");
KFileMimeTypeInfo::GroupInfo* group = 0;
KFileMimeTypeInfo::ItemInfo* item;
group = addGroupInfo(info, "Comment", i18n("Comment"));
item = addItemInfo(group, "ImageName", i18n("Name"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
setHint(item, KFileMimeTypeInfo::Description);
group = addGroupInfo(info, "Technical", i18n("Technical Details"));
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, "ColorMode", i18n("Color Mode"), TQVariant::String);
item = addItemInfo(group, "Compression", i18n("Compression"), TQVariant::String);
item = addItemInfo(group, "SharedRows",
i18n("percentage of avoided vertical redundancy (the higher the better)",
"Shared Rows"), TQVariant::String);
}
bool KRgbPlugin::readInfo(KFileMetaInfo& info, uint /*what*/)
{
TQFile file(info.path());
if (!file.open(IO_ReadOnly)) {
kdDebug(7034) << "Couldn't open " << TQFile::encodeName(info.path()) << endl;
return false;
}
TQDataStream dstream(&file);
Q_UINT16 magic;
Q_UINT8 storage;
Q_UINT8 bpc;
Q_UINT16 dimension;
Q_UINT16 xsize;
Q_UINT16 ysize;
Q_UINT16 zsize;
Q_UINT32 pixmin;
Q_UINT32 pixmax;
Q_UINT32 dummy;
char imagename[80];
Q_UINT32 colormap;
dstream >> magic;
dstream >> storage;
dstream >> bpc;
dstream >> dimension;
dstream >> xsize;
dstream >> ysize;
dstream >> zsize;
dstream >> pixmin;
dstream >> pixmax;
dstream >> dummy;
dstream.readRawBytes(imagename, 80);
imagename[79] = '\0';
dstream >> colormap;
Q_UINT8 u8;
for (uint i = 0; i < 404; i++)
dstream >> u8;
if (magic != 474)
return false;
KFileMetaInfoGroup group;
group = appendGroup(info, "Technical");
if (dimension == 1)
ysize = 1;
appendItem(group, "Dimensions", TQSize(xsize, ysize));
appendItem(group, "BitDepth", zsize * 8 * bpc);
if (zsize == 1)
appendItem(group, "ColorMode", i18n("Grayscale"));
else if (zsize == 2)
appendItem(group, "ColorMode", i18n("Grayscale/Alpha"));
else if (zsize == 3)
appendItem(group, "ColorMode", i18n("RGB"));
else if (zsize == 4)
appendItem(group, "ColorMode", i18n("RGB/Alpha"));
if (!storage)
appendItem(group, "Compression", i18n("Uncompressed"));
else if (storage == 1) {
long compressed = file.size() - 512;
long verbatim = xsize * ysize * zsize;
appendItem(group, "Compression", i18n("Runlength Encoded")
+ TQString(", %1%").arg(compressed * 100.0 / verbatim, 0, 'f', 1));
long k;
Q_UINT32 offs;
TQMap<Q_UINT32, uint> map;
TQMap<Q_UINT32, uint>::Iterator it;
TQMap<Q_UINT32, uint>::Iterator end = map.end();
for (k = 0; k < (ysize * zsize); k++) {
dstream >> offs;
if ((it = map.find(offs)) != end)
map.replace(offs, it.data() + 1);
else
map[offs] = 0;
}
for (k = 0, it = map.begin(); it != end; ++it)
k += it.data();
if (k)
appendItem(group, "SharedRows", TQString("%1%").arg(k * 100.0
/ (ysize * zsize), 0, 'f', 1));
else
appendItem(group, "SharedRows", i18n("None"));
} else
appendItem(group, "Compression", i18n("Unknown"));
group = appendGroup(info, "Comment");
appendItem(group, "ImageName", imagename);
file.close();
return true;
}
bool KRgbPlugin::writeInfo(const KFileMetaInfo& info) const
{
TQFile file(info.path());
if (!file.open(IO_WriteOnly|IO_Raw)) {
kdDebug(7034) << "couldn't open " << TQFile::encodeName(info.path()) << endl;
return false;
}
if (!file.at(24)) {
kdDebug(7034) << "couldn't set offset" << endl;
return false;
}
TQDataStream dstream(&file);
TQString s = info["Comment"]["ImageName"].value().toString();
s.truncate(79);
unsigned i;
for (i = 0; i < s.length(); i++)
dstream << Q_UINT8(s.latin1()[i]);
for (; i < 80; i++)
dstream << Q_UINT8(0);
file.close();
return true;
}
// restrict to 79 ASCII characters
TQValidator* KRgbPlugin::createValidator(const TQString&, const TQString &,
const TQString &, TQObject* parent, const char* name) const
{
return new TQRegExpValidator(TQRegExp("[\x0020-\x007E]{79}"), parent, name);
}
#include "kfile_rgb.moc"
|
