Files
OpenArena/src/myglFont.cpp

165 lines
3.8 KiB
C++

/***************************************************************************
* Copyright (C) 2006 by Tom Hicks *
* tomhicks@cse.buffalo.edu *
* *
* 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. *
***************************************************************************/
////////////////////////////////////////////////////////////////////////////////
//
// Module: myglFont.cpp
// Author: Tom Hicks
// Creation: 09-01-2003
// LastEdit: 06-19-2005
// Editors: None
//
// Purpose:
//
// Summary of Methods:
// Global
// -function name
// description
// blahClass
// -function name
// description
//
// Summary of Properties:
// blahClass
// -property name
// description
//
////////////////////////////////////////////////////////////////////////////////
#include "myglFont.h"
namespace OpenArena
{
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 = 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;
}
};