Files
OpenArena/myglFont.cpp

128 lines
3.6 KiB
C++
Executable File

/***************************************************************************
* Copyright (C) 2001-2023 by Tom Hicks *
* headhunter3@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "myglFont.h"
namespace OpenArena {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
Font::Font() {
status = 0;
base = 0;
texture = 0;
screenWidth = 1;
screenHeight = 1;
}
Font::~Font() {
FreeFont();
}
bool Font::BuildFont(const char* texName) {
FreeFont();
if (LoadGLTexture(texName, texture, GL_NEAREST, GL_NEAREST)) {
float x, y;
base = glGenLists(256);
glBindTexture(GL_TEXTURE_2D, texture);
for (short i = 0; i < 256; i++) {
x = i % 16 / 16.0f;
y = (short)(i / 16) / 16.0f;
glNewList(base + i, GL_COMPILE);
glBegin(GL_QUADS);
glTexCoord2f(x, 1 - y - 0.0625f);
glVertex2i(0, 0);
glTexCoord2f(x + 0.0625f, 1 - y - 0.0625f);
glVertex2i(16, 0);
glTexCoord2f(x + 0.0625f, 1 - y);
glVertex2i(16, 16);
glTexCoord2f(x, 1 - y);
glVertex2i(0, 16);
glEnd();
glTranslated(16, 0, 0);
glEndList();
}
status = true;
}
return status;
}
bool Font::FreeFont() {
if (status) {
glDeleteLists(base, 256);
status = false;
}
return status;
}
void Font::Print(int x, int y, const char* str, unsigned int set) {
if (status) {
if (set > 1) set = 1;
glBindTexture(GL_TEXTURE_2D, texture);
// glDisable(GL_DEPTH_TEST);
// glEnable(GL_BLEND);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, screenWidth, 0, screenHeight, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glTranslated(x, y, 0);
glListBase(base - 32 + (128 * set));
glCallLists(strlen(str), GL_BYTE, str);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// glDisable(GL_BLEND);
// glEnable(GL_DEPTH_TEST);
}
}
bool Font::Loaded() {
return status;
}
void Font::SetScreenDimensions(short x, short y) {
screenWidth = x;
screenHeight = y;
}
void Font::SetScreenWidth(short x) {
screenWidth = x;
}
void Font::SetScreenHeight(short y) {
screenHeight = y;
}
short Font::ScreenWidth() {
return screenWidth;
}
short Font::ScreenHeight() {
return screenHeight;
}
#pragma clang diagnostic pop
} // End namespace OpenArena