Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include <memlayer.h>

Point
memimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f, char *cs)
{
        int w, width;
        uchar *s;
        Rune c;
        Fontchar *i;

        s = (uchar*)cs;
        for(; c=*s; p.x+=width, cp.x+=width){
                width = 0;
                if(c < Runeself)
                        s++;
                else{
                        w = chartorune(&c, (char*)s);
                        if(w == 0){
                                s++;
                                continue;
                        }
                        s += w;
                }
                if(c >= f->n)
                        continue;
                i = f->info+c;
                width = i->width;
                memdraw(b, Rect(p.x+i->left, p.y+i->top, p.x+i->left+(i[1].x-i[0].x), p.y+i->bottom),
                        color, cp, f->bits, Pt(i->x, i->top), SoverD);
        }
        return p;
}

Point
memsubfontwidth(Memsubfont *f, char *cs)
{
        Rune c;
        Point p;
        uchar *s;
        Fontchar *i;
        int w, width;

        p = Pt(0, f->height);
        s = (uchar*)cs;
        for(; c=*s; p.x+=width){
                width = 0;
                if(c < Runeself)
                        s++;
                else{
                        w = chartorune(&c, (char*)s);
                        if(w == 0){
                                s++;
                                continue;
                        }
                        s += w;
                }
                if(c >= f->n)
                        continue;
                i = f->info+c;
                width = i->width;
        }
        return p;
}