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
|
/*
* gfxtools.c
*
* See the README file for copyright information and how to reach the author.
*
*/
#include <vdr/plugin.h>
#include "gfxtools.h"
#include <string.h>
bool DrawXpm(const char *FileName,areaT *drawable,int x,int y,winhandleT winhand,bool blackwhite)
{
// Bases on vdr cBitmap::LoadXpm but made more readable
// and added x/y support
bool Result = false;
cReadLine ReadLine;
FILE *f = fopen(FileName, "r");
if (f)
{
char **Xpm = NULL;
bool isXpm = false;
int lines = 0;
int index = 0;
char *s;
while ((s = ReadLine.Read(f)) != NULL)
{
s = skipspace(s);
if (!isXpm)
{
if (strcmp(s, "/* XPM */") != 0)
{
esyslog("ERROR: invalid header in XPM file '%s'", FileName);
break;
}
isXpm = true;
}
else if (*s++ == '"')
{
if (!lines)
{
int w, h, n, c;
if (4 != sscanf(s, "%d %d %d %d", &w, &h, &n, &c))
{
esyslog("ERROR: faulty 'values' line in XPM file '%s'", FileName);
break;
}
lines = h + n + 1;
Xpm = MALLOC(char *, lines);
}
char *q = strchr(s, '"');
if (!q)
{
esyslog("ERROR: missing quotes in XPM file '%s'", FileName);
break;
}
*q = 0;
if (index < lines)
Xpm[index++] = strdup(s);
else
{
esyslog("ERROR: too many lines in XPM file '%s'", FileName);
break;
}
}
}
if (index == lines)
Result = DrawXpm(Xpm,drawable,x,y,winhand,blackwhite);
else
esyslog("ERROR: too few lines in XPM file '%s'", FileName);
for (int i = 0; i < index; i++)
free(Xpm[i]);
free(Xpm);
fclose(f);
}
else
esyslog("ERROR: can't open XPM file '%s'", FileName);
return Result;
}
bool DrawXpm(char *Xpm[], areaT *drawable,int x0,int y0,winhandleT winhand,bool blackwhite)
{
// Bases on vdr cBitmap::LoadXpm but made more readable
// and added x/y support and "none" is now no longer drawn
char **p = Xpm;
int w, h, n, c;
if (4 != sscanf(*p, "%d %d %d %d", &w, &h, &n, &c))
{
esyslog("ERROR: faulty 'values' line in XPM: '%s'", *p);
return false;
}
if (n > MAXNUMCOLORS)
{
esyslog("ERROR: too many colors in XPM: %d", n);
return false;
}
int NoneColorIndex = MAXNUMCOLORS;
tColor *cols = new tColor[n];
if (!cols) return false;
for (int i = 0; i < n; i++)
{
const char *s = *++p;
if (int(strlen(s)) < c)
{
esyslog("ERROR: faulty 'colors' line in XPM: '%s'", s);
delete [] cols;
return false;
}
s = skipspace(s + c);
if (*s != 'c')
{
esyslog("ERROR: unknown color key in XPM: '%c'", *s);
delete [] cols;
return false;
}
s = skipspace(s + 1);
if (strcasecmp(s, "none") == 0)
{
s = "#00000000";
NoneColorIndex = i;
}
if (*s != '#')
{
esyslog("ERROR: unknown color code in XPM: '%c'", *s);
delete [] cols;
return false;
}
unsigned int col=strtoul(++s, NULL, 16);
if (blackwhite)
{
int bwcol=(int)(0.299*(double)((col & 0xff0000) >> 16) +
0.587*(double)((col & 0xff00) >> 8) + 0.114*(double)(col & 0xff));
if (bwcol>0xff) bwcol=0xff;
bwcol&=(0xff-31);
col=(bwcol<<16) | (bwcol<<8)| (bwcol);
}
cols[i] = col | 0xFF000000;
}
for (int y = 0; y < h; y++)
{
const char *s = *++p;
if (int(strlen(s)) != w * c)
{
esyslog("ERROR: faulty pixel line in XPM: %d '%s'", y, s);
delete [] cols;
return false;
}
for (int x = 0; x < w; x++)
{
for (int i = 0; i < n; i++)
{
if (strncmp(Xpm[i + 1], s, c) == 0)
{
if (i != NoneColorIndex)
{
drawable->DrawPixel(x0+x,y0+y, cols[i]);
}
break;
}
}
s += c;
}
}
delete [] cols;
return true;
}
|
