/* 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; const 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, float l, float 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_qglVertex2f (l, t); g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].left, glyphs[*p-32].bottom); g_GLTable.m_pfn_qglVertex2f (l, t-16); g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].right, glyphs[*p-32].bottom); g_GLTable.m_pfn_qglVertex2f (l + glyphs[*p-32].width, t-16); g_GLTable.m_pfn_qglTexCoord2f (glyphs[*p-32].right, glyphs[*p-32].top); g_GLTable.m_pfn_qglVertex2f (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); }