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
|
/*
**
** Copyright (C) 1998-2001 by Matthias Hölzer-Klüpfel <hoelzer@kde.org>
** Maintainence has ceased - send questions to kde-devel@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; either version 2 of the License, or
** (at your option) any later version.
**
** 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 in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
** MA 02110-1301, USA.
*/
/*
** Bug reports and questions can be sent to kde-devel@kde.org
*/
#include <time.h>
#include <tqvaluelist.h>
#include <tqdir.h>
#include <tqimage.h>
#include <tqpainter.h>
#include <tqtl.h>
#include <tqstringlist.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <kdesktopfile.h>
#include <kimageeffect.h>
#include "astro.h"
#include "maploader.h"
TQPtrList<MapTheme> MapLoader::themes()
{
TQPtrList<MapTheme> result;
TQStringList files = TDEGlobal::dirs()->findAllResources("data", "kworldclock/maps/*/*.desktop");
for (TQStringList::Iterator it=files.begin(); it != files.end(); ++it)
{
KDesktopFile conf(*it);
conf.setGroup("Theme");
result.append(new MapTheme(conf.readName(), conf.readEntry("Theme")));
}
return result;
}
TQStringList MapLoader::maps(const TQString &theme)
{
return TDEGlobal::dirs()->findAllResources("data", TQString("kworldclock/maps/%1/*.jpg").arg(theme));
}
void MapLoader::load(unsigned int width, const TQString &theme, unsigned int height, float opacity)
{
// find the maps available
TQValueList<uint> sizes;
TQStringList files = maps(theme);
for (uint i=0; i<files.count(); ++i)
{
TQString f = files[i];
int pos = f.findRev("/");
if (pos >= 0)
f = f.mid(pos+1);
pos = f.findRev(".");
if (pos >= 0)
f = f.left(pos);
sizes.append(f.toInt());
}
qHeapSort(sizes);
// find the closest (bigger) size
uint size=0;
for (uint i=0; i<sizes.count(); ++i)
{
size = sizes[i];
if (size >= width)
break;
}
TQImage image;
if (size == 0)
{
image = TQImage(locate("data", "kworldclock/maps/depths/800.jpg"));
size = 800;
}
else
image = TQImage(locate("data", TQString("kworldclock/maps/%1/%2.jpg").arg(theme).arg(size)));
if (height == 0)
height = width/2;
if ((image.width() != (int)width) || (image.height() != (int)height))
image = image.smoothScale(width, height);
// convert to light map
_light.convertFromImage(image);
// calculate dark map
_dark.convertFromImage(KImageEffect::blend(TQt::black, image, opacity));
}
TQBitmap MapLoader::darkMask(int width, int height)
{
time_t t;
struct tm *tmp;
double jt, sunra, sundec, sunrv, sunlong;
short *wtab;
TQBitmap illuMask(width, height);
// calculate the position of the sun
t = time(NULL);
tmp = gmtime(&t);
jt = jtime(tmp);
sunpos(jt,FALSE, &sunra, &sundec, &sunrv, &sunlong);
int sec = tmp->tm_hour*60*60 + tmp->tm_min*60 + tmp->tm_sec;
int gmt_position = width * sec / 86400; // note: greenwich is in the middle!
// calculate the illuminated area
wtab = new short[height];
projillum(wtab,width,height,sundec);
// draw illumination
illuMask.fill(TQt::black);
TQPainter p;
p.begin(&illuMask);
int start, stop;
int middle = width - gmt_position;
for (int y=0; y<height; y++)
if (wtab[y]>0)
{
start = middle - wtab[y];
stop = middle + wtab[y];
if (start < 0)
{
p.drawLine(0,y,stop,y);
p.drawLine(width+start,y,width,y);
}
else
if (stop > width)
{
p.drawLine(start,y,width,y);
p.drawLine(0,y,stop-width,y);
}
else
p.drawLine(start,y,stop,y);
}
p.end();
delete [] wtab;
return illuMask;
}
|
