gsFontM.h

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//  ____     ___ |    / _____ _____
// |  __    |    |___/    |     |
// |___| ___|    |    \ __|__   |     gsKit Open Source Project.
// ----------------------------------------------------------------------
// Copyright 2004 - Chris "Neovanglist" Gilbert <Neovanglist@LainOS.org>
// Licenced under Academic Free License version 2.0
// Review gsKit README & LICENSE files for further details.
//
// gsFontM.h - Header for gsFontM.c
//
 
#ifndef __GSFONTM_H__
#define __GSFONTM_H__
 
#include "gsKit.h"
 
#define GSKIT_FONTM_MAXLINES 255
 
#define GSKIT_FALIGN_LEFT 0x00
#define GSKIT_FALIGN_CENTER 0x01
#define GSKIT_FALIGN_RIGHT 0x02
 
#define ALPHA_SRC 0
#define ALPHA_DST 1
#define ALPHA_ZERO 2
#define ALPHA_FIX 2
#define ALPHA(A,B,C,D,FIX) ( (((u64)(A))&3) | ((((u64)(B))&3)<<2) | ((((u64)(C))&3)<<4) | ((((u64)(D))&3)<<6) | ((((u64)(FIX)))<<32UL) )//(A - B)*C >> 7 + D
 
#define ALPHA_BLEND_NORMAL (ALPHA(ALPHA_SRC,ALPHA_DST,ALPHA_SRC,ALPHA_DST,0x00))
#define ALPHA_BLEND_ADD_NOALPHA    (ALPHA(ALPHA_SRC,ALPHA_ZERO,ALPHA_FIX,ALPHA_DST,0x80))
#define ALPHA_BLEND_ADD    (ALPHA(ALPHA_SRC,ALPHA_ZERO,ALPHA_SRC,ALPHA_DST,0x00))
 
#define GS_FONTM_PAGE_COUNT 8
 
struct gsKit_fontm_unpack
{
    u32 size;
    u32 data;
    u32 ande;
    u32 dif;
    u32 shft;
    u8  *ptr;
};

struct gsKit_fontm_header
{
    u32 sig;
    u32 version;
    u32 bitsize;
    u32 baseoffset;
    u32 num_entries;
    u32 eof;
    u32 *offset_table;
};
typedef struct gsKit_fontm_header GSFONTMHDR;

struct gsFontM
{
    GSTEXTURE *Texture[GS_FONTM_PAGE_COUNT]; 
    GSFONTMHDR Header;      
    u32 VramIdx;            
    u8 Align;               
    float Spacing;          
    void *TexBase;          
};
typedef struct gsFontM GSFONTM;
 
 
#ifdef __cplusplus
extern "C" {
#endif

GSFONTM *gsKit_init_fontm();
void gsKit_free_fontm(GSGLOBAL *gsGlobal, GSFONTM *gsFontM);
 
int gsKit_fontm_upload(GSGLOBAL *gsGlobal, GSFONTM *gsFontM);
int gsKit_fontm_unpack(GSFONTM *gsFontM);
void gsKit_fontm_unpack_raw(u8 *base, struct gsKit_fontm_unpack *oke);
void gsKit_fontm_unpack_raw_1(struct gsKit_fontm_unpack *oke);
void gsKit_fontm_print_scaled(GSGLOBAL *gsGlobal, GSFONTM *gsFontM, float X, float Y, int Z,
              float scale, unsigned long color, const char *String);
 
#define gsKit_fontm_print(gsGlobal, gsFontM, X, Y, Z, color, String) \
    gsKit_fontm_print_scaled(gsGlobal, gsFontM, X, Y, Z, 1.0f, color, String);
 
#ifdef __cplusplus
}
#endif
 
#endif /* __GSFONT_H__ */