gfont422.c

来自「linux嵌入式开发程序」· C语言 代码 · 共 44 行

/*===========================================================================
        2D Graphics Library
        ALL RIGHTS RESERVED, COPYRIGHT (C) FUJITSU LIMITED 1993-2002
        LICENSED MATERIAL - PROGRAM PROPERTY OF FUJITSU LIMITED
 ===========================================================================*/

#include "gl.h"
#include "defhook.h"

const static BYTE _GL_deffont8x20[] = {
#include "ascii.fnt"
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
} ;

int
_GL_getfontYUV422(GL_WP *gp)
{
    WORD code,i ;

    if(gp->font.xdots!=8)
        return GL_NoFontSize ;
    switch(gp->font.ydots){
    case 16:
    case 17:
        i = 1 ;
        break ;
    case 18:
    case 19:
    case 20:
        i = 0 ;
        break ;
    default:
        return GL_NoFontSize ;
    }
    code = gp->font.code ;
    if(code>255)
        code = 0 ;
    gp->font.buf = (void _Far *)(_GL_deffont8x20 + 20*code + i) ;
    return GL_Ok ;
}