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
|
/*
render/text.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "render/render.h"
#include "sys/sys.h"
namespace render {
void draw_text(float x, float y, const char ascii)
{
if (ascii != ' ') {
int row = (int) ascii >> 4;
int col = (int) ascii & 15;
float frow = row * 0.0625f;
float fcol = col * 0.0625f;
gl::begin(gl::Quads);
glTexCoord2f(fcol, frow);
gl::vertex(x,y,0);
glTexCoord2f(fcol + 0.0625f, frow);
gl::vertex(x+CHARWIDTH,y,0);
glTexCoord2f(fcol +0.0625f, frow + 0.0625f);
gl::vertex(x+CHARWIDTH,y+CHARHEIGHT,0);
glTexCoord2f(fcol, frow+0.0625f);
gl::vertex(x,y+CHARHEIGHT,0);
gl::end();
}
}
void draw_text(float x, float y, const char *text)
{
const char *c = text;
while (*c) {
draw_text(x, y, *c);
c++;
x += CHARWIDTH;
}
}
void draw_text(float x, float y, std::stringstream & textstream)
{
char line[MAXCMDSIZE];
while (textstream.getline(line, MAXCMDSIZE-1)) {
draw_text(x, y, line);
y += CHARHEIGHT;
}
textstream.clear();
}
void draw_text(float x, float y, const std::string & text)
{
for (size_t i =0; i < text.size(); i++) {
draw_text(x, y, text[i]);
x += CHARWIDTH;
}
}
}
|
