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libdraw: add 2*font syntax for scaled fonts

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An experiment.

Change-Id: I40660a211b8372701597d80f7e86917e94cccbaa
Reviewed-on: https://plan9port-review.googlesource.com/1161
Reviewed-by: Russ Cox <rsc@swtch.com>
This commit is contained in:
Russ Cox 2015-02-17 00:57:10 -05:00
parent 32dc15fa62
commit 77f23268f7
7 changed files with 77 additions and 5 deletions
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13
src/libdraw/openfont.c
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@ -9,10 +9,15 @@ Font*
openfont(Display *d, char *name)
{
Font *fnt;
int fd, i, n;
int fd, i, n, scale;
char *buf, *nambuf;
nambuf = 0;
scale = 1;
if('1' <= name[0] && name[0] <= '9' && name[1] == '*') {
scale = name[0] - '0';
name += 2;
}
fd = open(name, OREAD);
if(fd < 0 && strncmp(name, "/lib/font/bit/", 14) == 0){
@ -54,6 +59,12 @@ openfont(Display *d, char *name)
fnt = buildfont(d, buf, name);
free(buf);
free(nambuf);
if(scale != 1) {
fnt->scale = scale;
fnt->height *= scale;
fnt->ascent *= scale;
fnt->width *= scale;
}
return fnt;
}