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gtkradiant/contrib/gtkgensurf/font.cpp
TTimo 12b372f89c ok 
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
2006-02-10 22:01:20 +00:00

270 lines
15 KiB
C++
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/*
GenSurf plugin for GtkRadiant
Copyright (C) 2001 David Hyde, Loki software and qeradiant.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//
// Texture Font
//
// Taken from LeoCAD (www.leocad.org) and used in GtkGenSurf
// with permission from the author.
//
// Leonardo Zide (leo@lokigames.com)
//
#include <stdlib.h>
#include "gensurf.h"
static const unsigned char data[2048] = {
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 207, 255, 255, 159, 255, 31, 255, 231, 159, 153, 63, 255, 255, 255, 255,
255, 207, 255, 255, 159, 255, 207, 255, 231, 159, 153, 63, 255, 255, 255, 255,
255, 207, 255, 255, 159, 255, 207, 255, 231, 255, 159, 63, 255, 255, 255, 255,
7, 78, 252, 240, 145, 135, 3, 71, 38, 158, 153, 51, 19, 227, 196, 255,
243, 140, 121, 230, 140, 51, 207, 51, 198, 156, 153, 57, 99, 204, 152, 255,
255, 204, 51, 111, 158, 121, 206, 121, 230, 153, 153, 60, 115, 206, 60, 255,
31, 204, 51, 127, 158, 121, 206, 121, 230, 153, 25, 62, 115, 206, 60, 255,
199, 204, 51, 127, 158, 1, 206, 121, 230, 153, 25, 62, 115, 206, 60, 255,
243, 204, 51, 127, 158, 249, 207, 121, 230, 153, 153, 60, 115, 206, 60, 255,
243, 204, 51, 111, 158, 249, 207, 121, 230, 153, 153, 57, 115, 206, 60, 255,
243, 140, 121, 230, 140, 115, 206, 51, 230, 153, 153, 51, 115, 206, 60, 255,
7, 73, 252, 240, 145, 7, 207, 71, 230, 153, 153, 39, 115, 206, 60, 255,
255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 249, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 249, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 57, 255, 255, 249, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 131, 255, 255, 252, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 249, 255, 255, 255, 255, 255, 255, 255, 227, 255,
255, 255, 255, 255, 255, 255, 249, 255, 255, 255, 255, 255, 255, 255, 201, 255,
255, 255, 255, 255, 255, 255, 249, 255, 255, 255, 255, 255, 255, 255, 156, 255,
15, 79, 252, 200, 196, 96, 32, 79, 62, 252, 15, 15, 159, 192, 156, 255,
103, 142, 121, 198, 112, 206, 57, 79, 62, 60, 15, 15, 159, 207, 156, 255,
243, 204, 51, 207, 120, 254, 57, 207, 156, 57, 103, 102, 206, 231, 156, 255,
243, 204, 51, 207, 124, 252, 57, 207, 156, 25, 230, 112, 206, 231, 156, 255,
243, 204, 51, 207, 252, 224, 57, 207, 156, 25, 230, 121, 206, 243, 156, 255,
243, 204, 51, 207, 252, 199, 57, 207, 201, 211, 242, 240, 228, 249, 156, 255,
243, 204, 51, 207, 252, 207, 57, 207, 201, 195, 112, 230, 228, 249, 156, 255,
103, 142, 121, 198, 124, 206, 121, 198, 227, 231, 57, 207, 241, 252, 201, 255,
15, 79, 252, 200, 252, 224, 227, 200, 227, 231, 57, 207, 241, 192, 227, 255,
255, 207, 255, 207, 255, 255, 255, 255, 255, 255, 255, 255, 249, 255, 255, 255,
255, 207, 255, 207, 255, 255, 255, 255, 255, 255, 255, 255, 249, 255, 255, 255,
255, 207, 255, 207, 255, 255, 255, 255, 255, 255, 255, 255, 252, 255, 255, 255,
255, 207, 255, 207, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
159, 15, 30, 252, 57, 224, 225, 128, 131, 7, 255, 254, 128, 127, 240, 255,
135, 231, 204, 249, 57, 255, 252, 159, 57, 115, 126, 252, 60, 63, 231, 255,
159, 247, 236, 249, 56, 127, 254, 159, 57, 115, 126, 252, 124, 158, 207, 255,
159, 255, 252, 249, 56, 127, 254, 207, 57, 115, 62, 249, 124, 158, 207, 255,
159, 255, 252, 121, 56, 112, 254, 207, 57, 115, 62, 249, 60, 207, 255, 255,
159, 127, 62, 60, 57, 103, 224, 231, 131, 115, 158, 243, 128, 207, 255, 255,
159, 63, 255, 57, 249, 103, 206, 231, 57, 7, 158, 243, 60, 207, 255, 255,
159, 159, 255, 153, 249, 103, 206, 231, 57, 127, 206, 231, 124, 206, 255, 255,
159, 207, 255, 25, 240, 103, 206, 243, 57, 127, 14, 224, 124, 158, 207, 255,
159, 231, 239, 249, 185, 103, 206, 243, 57, 127, 230, 207, 124, 158, 207, 255,
159, 231, 207, 249, 57, 103, 206, 243, 57, 63, 231, 207, 60, 63, 231, 255,
159, 7, 28, 252, 121, 240, 224, 243, 131, 135, 231, 207, 128, 127, 240, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
7, 126, 128, 3, 124, 240, 249, 156, 63, 231, 57, 255, 252, 57, 159, 255,
231, 124, 254, 243, 63, 231, 249, 156, 63, 231, 60, 255, 252, 57, 159, 255,
231, 121, 254, 243, 159, 207, 249, 156, 63, 103, 62, 255, 248, 56, 158, 255,
231, 121, 254, 243, 159, 207, 249, 156, 63, 39, 63, 255, 248, 56, 156, 255,
231, 115, 254, 243, 207, 255, 249, 156, 63, 135, 63, 255, 112, 56, 152, 255,
231, 115, 192, 3, 206, 255, 1, 156, 63, 199, 63, 255, 112, 56, 153, 255,
231, 115, 254, 243, 207, 193, 249, 156, 63, 135, 63, 255, 36, 57, 147, 255,
231, 115, 254, 243, 207, 207, 249, 156, 63, 39, 63, 255, 36, 57, 131, 255,
231, 121, 254, 243, 159, 207, 249, 156, 57, 103, 62, 255, 140, 57, 135, 255,
231, 121, 254, 243, 159, 199, 249, 156, 57, 231, 60, 255, 140, 57, 143, 255,
231, 124, 254, 243, 63, 199, 249, 156, 147, 231, 57, 255, 220, 57, 159, 255,
7, 126, 128, 243, 127, 208, 249, 156, 199, 231, 51, 192, 220, 57, 159, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
63, 252, 128, 63, 252, 128, 63, 28, 128, 249, 204, 79, 254, 39, 63, 255,
159, 249, 60, 159, 249, 60, 159, 249, 249, 249, 204, 79, 158, 39, 63, 255,
207, 243, 124, 206, 243, 124, 206, 243, 249, 249, 156, 103, 158, 103, 158, 255,
207, 243, 124, 206, 243, 124, 206, 255, 249, 249, 156, 231, 156, 243, 204, 255,
231, 231, 124, 230, 231, 124, 158, 255, 249, 249, 156, 231, 12, 243, 225, 255,
231, 231, 60, 231, 231, 60, 63, 252, 249, 249, 60, 243, 12, 243, 243, 255,
231, 231, 128, 231, 231, 128, 255, 249, 249, 249, 60, 243, 105, 249, 243, 255,
231, 231, 252, 103, 230, 60, 255, 243, 249, 249, 124, 251, 97, 248, 225, 255,
207, 243, 252, 207, 240, 124, 254, 243, 249, 249, 124, 248, 97, 248, 204, 255,
207, 243, 252, 207, 241, 124, 206, 243, 249, 249, 124, 248, 243, 124, 158, 255,
159, 249, 252, 159, 241, 124, 158, 249, 249, 115, 254, 252, 243, 60, 63, 255,
63, 252, 252, 63, 228, 252, 60, 252, 249, 7, 255, 252, 243, 60, 63, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
243, 19, 192, 255, 252, 255, 255, 127, 14, 127, 248, 15, 252, 247, 227, 231,
243, 243, 207, 255, 252, 255, 153, 127, 102, 62, 243, 227, 241, 193, 201, 243,
231, 249, 231, 255, 252, 255, 60, 127, 242, 156, 231, 249, 231, 148, 201, 249,
207, 252, 243, 255, 204, 124, 126, 126, 254, 156, 231, 57, 230, 148, 201, 252,
207, 252, 243, 255, 204, 60, 255, 60, 255, 156, 231, 156, 204, 244, 99, 254,
31, 254, 249, 255, 252, 159, 255, 57, 127, 158, 231, 204, 204, 244, 63, 255,
31, 254, 252, 255, 252, 207, 255, 51, 63, 159, 231, 204, 204, 193, 159, 255,
63, 127, 254, 255, 252, 159, 255, 57, 159, 207, 207, 204, 204, 151, 207, 248,
63, 127, 254, 255, 252, 63, 255, 156, 159, 159, 231, 204, 228, 151, 103, 242,
63, 63, 255, 255, 255, 127, 126, 158, 255, 159, 231, 25, 241, 148, 115, 242,
63, 159, 127, 230, 204, 252, 60, 159, 159, 159, 231, 249, 255, 148, 121, 242,
63, 31, 64, 230, 204, 252, 153, 159, 159, 159, 231, 227, 255, 193, 252, 248,
255, 255, 63, 255, 231, 255, 255, 255, 255, 159, 231, 15, 252, 247, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 63, 243, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 248, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
63, 254, 255, 195, 255, 255, 255, 255, 3, 252, 147, 255, 255, 255, 255, 255,
159, 252, 255, 153, 255, 255, 255, 255, 243, 252, 147, 255, 255, 255, 255, 255,
159, 252, 255, 153, 255, 243, 255, 255, 243, 252, 147, 255, 255, 255, 255, 255,
159, 252, 204, 60, 255, 243, 255, 255, 243, 252, 0, 255, 255, 255, 255, 255,
63, 254, 204, 60, 255, 243, 128, 255, 243, 252, 201, 255, 255, 255, 255, 255,
63, 254, 225, 60, 255, 243, 255, 255, 243, 252, 201, 255, 255, 255, 255, 255,
31, 126, 128, 60, 127, 128, 255, 255, 243, 252, 201, 255, 255, 255, 255, 255,
159, 228, 225, 60, 193, 243, 128, 255, 243, 252, 201, 255, 255, 255, 255, 255,
207, 240, 204, 60, 255, 243, 255, 255, 243, 124, 128, 255, 255, 255, 255, 255,
207, 249, 204, 60, 255, 243, 255, 255, 243, 252, 228, 255, 255, 255, 255, 255,
207, 240, 255, 60, 255, 243, 255, 255, 243, 252, 228, 255, 255, 255, 255, 255,
31, 242, 255, 60, 255, 255, 255, 255, 243, 252, 228, 255, 255, 255, 255, 255,
255, 255, 255, 60, 255, 255, 255, 255, 243, 252, 255, 255, 255, 255, 255, 255,
255, 255, 255, 153, 255, 255, 255, 0, 242, 252, 255, 255, 255, 255, 255, 255,
255, 255, 255, 153, 255, 255, 255, 255, 243, 252, 255, 255, 255, 255, 255, 255,
255, 255, 255, 195, 255, 255, 255, 255, 3, 252, 255, 255, 255, 255, 255, 255
};
typedef struct
{
unsigned char width;
float left, right, top, bottom;
} LC_TXFVERT;
static LC_TXFVERT glyphs[93];
static GLuint texture;
void texfont_init ()
{
if (texture != 0)
return;
int i, j, x, y;
float inv = 1.0f/128;
char *charlines[16] = {
"abcdefghijklmn", "opqrstuvwxyz0", "123456789ABC", "DEFGHIJKLMN",
"OPQRSTUVWX", "YZ,.!;:<>/?{}@$%", "&*()-+=_[] #" };
unsigned char lefts[7][17] = {
{ 1, 11, 21, 30, 40, 50, 56, 66, 76, 80, 84, 93, 97, 111, 121 },
{ 1, 11, 21, 31, 38, 47, 53, 63, 72, 86, 94, 103, 111, 120 },
{ 1, 10, 19, 28, 37, 46, 55, 64, 73, 82, 94, 106, 118, },
{ 1, 13, 24, 34, 47, 59, 64, 73, 84, 94, 108, 120 },
{ 1, 14, 25, 38, 50, 61, 71, 83, 94, 109, 120 },
{ 1, 12, 22, 26, 30, 35, 39, 43, 52, 61, 65, 75, 81, 87, 103, 112, 125 },
{ 3, 14, 23, 28, 33, 38, 47, 56, 65, 70, 75, 79, 88 } };
// tops = 1 20 39 58 77 96 112 (+16)
memset(glyphs, 0, sizeof(glyphs));
// ASCII 32-125
for (i = 32; i < 126; i++)
for (x = 0; x < 7; x++)
for (y = 0; charlines[x][y]; y++)
if (charlines[x][y] == i)
{
glyphs[i-32].width = lefts[x][y+1] - lefts[x][y];
glyphs[i-32].left = (float)lefts[x][y]*inv;
glyphs[i-32].right = (float)(lefts[x][y+1])*inv;
if (x != 6)
glyphs[i-32].top = (float)(1 + 19*x);
else
glyphs[i-32].top = 112;
glyphs[i-32].bottom = glyphs[i-32].top + 16;
glyphs[i-32].top *= inv;
glyphs[i-32].bottom *= inv;
}
g_GLTable.m_pfn_qglGenTextures (1, &texture);
g_GLTable.m_pfn_qglBindTexture (GL_TEXTURE_2D, texture);
g_GLTable.m_pfn_qglDisable (GL_TEXTURE_GEN_S);
g_GLTable.m_pfn_qglDisable (GL_TEXTURE_GEN_T);
g_GLTable.m_pfn_qglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
g_GLTable.m_pfn_qglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
g_GLTable.m_pfn_qglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
g_GLTable.m_pfn_qglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// g_GLTable.m_pfn_qglPixelStorei (GL_UNPACK_ALIGNMENT, 1);
unsigned char *buf = (unsigned char*)malloc (128*128);
memset (buf, 255, 128*128);
for (i = 0; i < 2048; i++)
for (j = 0; j < 8; j++)
if ((data[i] & (1 << j)) != 0)
buf[i*8+j] = 0;
g_GLTable.m_pfn_qglTexImage2D (GL_TEXTURE_2D, 0, GL_INTENSITY4, 128, 128, 0,
GL_LUMINANCE, GL_UNSIGNED_BYTE, buf);
free (buf);
}
void texfont_write (const char *text, int l, int t)
{
if (texture == 0)
return;
g_GLTable.m_pfn_qglColor3f (0, 1, 0);
g_GLTable.m_pfn_qglBindTexture (GL_TEXTURE_2D, texture);
g_GLTable.m_pfn_qglEnable (GL_TEXTURE_2D);
// g_GLTable.m_pfn_qglTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
g_GLTable.m_pfn_qglAlphaFunc (GL_GREATER, 0.0625);
g_GLTable.m_pfn_qglEnable (GL_ALPHA_TEST);
g_GLTable.m_pfn_qglBegin (GL_QUADS);
for (const char* p = text; *p; p++)
{
if (*p < 32 || *p > 125)
continue;
if (glyphs[*p-32].width == 0)
continue;
g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].left, glyphs[*p-32].top);
g_GLTable.m_pfn_qglVertex2i (l, t);
g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].left, glyphs[*p-32].bottom);
g_GLTable.m_pfn_qglVertex2i (l, t-16);
g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].right, glyphs[*p-32].bottom);
g_GLTable.m_pfn_qglVertex2i (l + glyphs[*p-32].width, t-16);
g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].right, glyphs[*p-32].top);
g_GLTable.m_pfn_qglVertex2i (l + glyphs[*p-32].width, t);
l += glyphs[*p-32].width;
}
g_GLTable.m_pfn_qglEnd ();
g_GLTable.m_pfn_qglDisable (GL_ALPHA_TEST);
g_GLTable.m_pfn_qglDisable (GL_TEXTURE_2D);
g_GLTable.m_pfn_qglBindTexture (GL_TEXTURE_2D, 0);
}
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