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author | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
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committer | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
commit | ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad (patch) | |
tree | ebcd32d20b0df2584bce713fefa87620ecd1cce7 /src/libdraw/stringsubfont.c | |
parent | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (diff) | |
download | plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.gz plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.bz2 plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.zip |
Initial import.
Diffstat (limited to 'src/libdraw/stringsubfont.c')
-rw-r--r-- | src/libdraw/stringsubfont.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/libdraw/stringsubfont.c b/src/libdraw/stringsubfont.c new file mode 100644 index 00000000..cc834732 --- /dev/null +++ b/src/libdraw/stringsubfont.c @@ -0,0 +1,65 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +Point +stringsubfont(Image *b, Point p, Image *color, Subfont *f, char *cs) +{ + int w, width; + uchar *s; + Rune c; + Fontchar *i; + + 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; + draw(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, f->bits, Pt(i->x, i->top)); + } + return p; +} + +Point +strsubfontwidth(Subfont *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; +} |