doom3-bfg/neo/renderer/Font.h
2012-11-26 12:58:24 -06:00

103 lines
3.4 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __FONT_H__
#define __FONT_H__
struct scaledGlyphInfo_t {
float top, left;
float width, height;
float xSkip;
float s1, t1, s2, t2;
const class idMaterial * material;
};
class idFont {
public:
idFont( const char * n );
~idFont();
void Touch();
const char * GetName() const { return name; }
float GetLineHeight( float scale ) const;
float GetAscender( float scale ) const;
float GetMaxCharWidth( float scale ) const;
float GetGlyphWidth( float scale, uint32 idx ) const;
void GetScaledGlyph( float scale, uint32 idx, scaledGlyphInfo_t & glyphInfo ) const;
private:
static idFont * RemapFont( const char * baseName );
int GetGlyphIndex( uint32 idx ) const;
bool LoadFont();
struct glyphInfo_t {
byte width; // width of glyph in pixels
byte height; // height of glyph in pixels
char top; // distance in pixels from the base line to the top of the glyph
char left; // distance in pixels from the pen to the left edge of the glyph
byte xSkip; // x adjustment after rendering this glyph
uint16 s; // x offset in image where glyph starts (in pixels)
uint16 t; // y offset in image where glyph starts (in pixels)
};
struct fontInfo_t {
struct oldInfo_t {
float maxWidth;
float maxHeight;
} oldInfo[3];
short ascender;
short descender;
short numGlyphs;
glyphInfo_t * glyphData;
// This is a sorted array of all characters in the font
// This maps directly to glyphData, so if charIndex[0] is 42 then glyphData[0] is character 42
uint32 * charIndex;
// As an optimization, provide a direct mapping for the ascii character set
char ascii[128];
const idMaterial * material;
};
// base name of the font (minus "fonts/" and ".dat")
idStr name;
// Fonts can be aliases to other fonts
idFont * alias;
// If the font is NOT an alias, this is where the font data is located
fontInfo_t * fontInfo;
};
#endif