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FONT.CPP
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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include "file.h"
#include "r2img.h"
#include "font.h"
//font constructor
FONT::FONT()
{
size=sizeof(FONT);
for (int a=0; a<128; a++) i[a]=0;
}
inline IMG *FONT::getimgptr(char c)
{
if (!i[c]) return 0;
return (IMG *)( ((char *)this)+i[c]);
}
int FONT::draw(char c,char *d,int x,int y)
{
IMG *img=getimgptr(c);
if (!img) return 6; //space
img->draw(d,x,y,0);
return img->xw;
}
void FONT::draw(char *str,char *d,int x,int y)
{
for (; *str; str++)
{
IMG *img=getimgptr(*str);
if (img)
{
img->draw(d,x,y,0);
x+=img->xw;
} else x+=6; //space it
}
}
int FONT::getwidth(char c)
{
IMG *img=getimgptr(c);
if (img) return img->xw;
else return 6; //space it
}
int FONT::getwidth(char *str)
{
int len=0;
for (; *str; str++)
{
IMG *img=getimgptr(*str);
if (img) len+=img->xw;
else len+=6; //space it
}
return len;
}
extern char *screen;
//printf w/font to char *screen
void __cdecl FONT::printf(int x,int y,char *format,...)
{
char s[256];
va_list argptr;
va_start(argptr,format);
vsprintf(s,format,argptr);
va_end(argptr);
draw(s,screen,x,y);
}
void FONT::write(char *filename)
{
FILEIO f;
f.create(filename);
f.write(this,size);
f.close();
return;
}
FONT *FONT::addsymbol(FONT *f,IMG *x,char c)
{
f->i[c]=f->size;
f->size+=x->size;
//realloc memory for new symbol
f=(FONT *)realloc(f,f->size);
if (!f) return 0;
//copy symbol
memcpy(f->getimgptr(c),x,x->size);
//return new font
return f;
}
FONT *loadfont(char *fontfile)
{
FILEIO f(fontfile);
return (FONT *)f.readalloc(f.size());
}
FONT *FONT::duplicate()
{
FONT *f=(FONT *)malloc(size);
memcpy(f,this,size);
return f;
}
void FONT::convertcolor(char a,char b)
{
for (int j=0; j<128; j++)
{
IMG *img=getimgptr(j);
if (img) img->convertcolor(a,b);
}
}