2 Copyright (C) 2003, 2010 - Wolfire Games
4 This file is part of Lugaru.
6 Lugaru is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 Lugaru is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
20 /**> HEADER FILES <**/
24 void Text::LoadFontTexture(const char *fileName)
28 LOG(std::string("Loading font texture...") + fileName);
30 FontTexture.load(fileName, false, false);
32 glDeleteLists(base, 512);
37 void Text::BuildFont() // Build Our Font Display List
39 float cx; // Holds Our X Character Coord
40 float cy; // Holds Our Y Character Coord
46 glDeleteLists(base, 512);
50 base = glGenLists(512); // Creating 256 Display Lists
52 for (loop = 0; loop < 512; loop++) { // Loop Through All 256 Lists
54 cx = float(loop % 16) / 16.0f; // X Position Of Current Character
55 cy = float(loop / 16) / 16.0f; // Y Position Of Current Character
57 cx = float((loop - 256) % 16) / 16.0f; // X Position Of Current Character
58 cy = float((loop - 256) / 16) / 16.0f; // Y Position Of Current Character
60 glNewList(base + loop, GL_COMPILE); // Start Building A List
61 glBegin(GL_QUADS); // Use A Quad For Each Character
62 glTexCoord2f(cx, 1 - cy - 0.0625f + .001); // Texture Coord (Bottom Left)
63 glVertex2i(0, 0); // Vertex Coord (Bottom Left)
64 glTexCoord2f(cx + 0.0625f, 1 - cy - 0.0625f + .001); // Texture Coord (Bottom Right)
65 glVertex2i(16, 0); // Vertex Coord (Bottom Right)
66 glTexCoord2f(cx + 0.0625f, 1 - cy - .001); // Texture Coord (Top Right)
67 glVertex2i(16, 16); // Vertex Coord (Top Right)
68 glTexCoord2f(cx, 1 - cy - +.001); // Texture Coord (Top Left)
69 glVertex2i(0, 16); // Vertex Coord (Top Left)
70 glEnd(); // Done Building Our Quad (Character)
72 glTranslated(10, 0, 0); // Move To The Right Of The Character
74 glTranslated(8, 0, 0); // Move To The Right Of The Character
75 glEndList(); // Done Building The Display List
76 } // Loop Until All 256 Are Built
79 void Text::glPrint(float x, float y, const char *string, int set, float size, float width, float height) // Where The Printing Happens
81 glPrint(x, y, string, set, size, width, height, 0, strlen(string));
84 void Text::_glPrint(float x, float y, const char *string, int set, float size, float width, float height, int start, int end, int offset) // Where The Printing Happens
89 glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
91 glDisable(GL_DEPTH_TEST);
92 glDisable(GL_LIGHTING);
94 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
95 glMatrixMode(GL_PROJECTION);
98 glOrtho(0, width, 0, height, -100, 100);
99 glMatrixMode(GL_MODELVIEW);
102 glTranslated(x, y, 0);
103 glScalef(size, size, 1);
104 glListBase(base - 32 + (128 * set) + offset); // Choose The Font Set (0 or 1)
105 glCallLists(end - start, GL_BYTE, &string[start]); // Write The Text To The Screen
106 glMatrixMode(GL_PROJECTION);
108 glMatrixMode(GL_MODELVIEW);
110 glEnable(GL_DEPTH_TEST);
111 glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
114 void Text::glPrint(float x, float y, const char *string, int set, float size, float width, float height, int start, int end) // Where The Printing Happens
116 _glPrint(x, y, string, set, size, width, height, start, end, 0);
119 void Text::glPrintOutline(float x, float y, const char *string, int set, float size, float width, float height) // Where The Printing Happens
121 glPrintOutline(x, y, string, set, size, width, height, 0, strlen(string));
124 void Text::glPrintOutline(float x, float y, const char *string, int set, float size, float width, float height, int start, int end) // Where The Printing Happens
126 _glPrint(x, y, string, set, size, width, height, start, end, 256);
128 void Text::glPrintOutlined(float x, float y, const char *string, int set, float size, float width, float height) // Where The Printing Happens
130 glPrintOutlined(1, 1, 1, x, y, string, set, size, width, height);
133 void Text::glPrintOutlined(float r, float g, float b, float x, float y, const char *string, int set, float size, float width, float height) // Where The Printing Happens
135 glColor4f(0, 0, 0, 1);
136 glPrintOutline( x - 2 * size, y - 2 * size, string, set, size * 2.5 / 2, width, height);
137 glColor4f(r, g, b, 1);
138 glPrint( x, y, string, set, size, width, height);
148 glDeleteLists(base, 512);
151 FontTexture.destroy();