o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

libdraw: autoscale fonts when moving between low and high dpi screens

Browse source 
Change-Id: I6093955b222db89dfe437fb723593b173d888d01
Reviewed-on: https://plan9port-review.googlesource.com/1170
Reviewed-by: Russ Cox <rsc@swtch.com>
This commit is contained in:
Russ Cox 2015-02-17 12:16:20 -05:00
parent 77f23268f7
commit 213fc4f6fb
9 changed files with 243 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/libdraw/subfontname.c
View file

@ -9,14 +9,16 @@
char*
subfontname(char *cfname, char *fname, int maxdepth)
{
char *t, *u, *tmp1, *tmp2;
int i;
char *t, *u, *tmp1, *tmp2, *base;
int i, scale;
scale = parsefontscale(fname, &base);
t = strdup(cfname); /* t is the return string */
if(strcmp(cfname, "*default*") == 0)
return t;
if(t[0] != '/'){
tmp2 = strdup(fname);
tmp2 = strdup(base);
u = utfrrune(tmp2, '/');
if(u)
u[0] = 0;
@ -38,13 +40,24 @@ subfontname(char *cfname, char *fname, int maxdepth)
tmp2 = smprint("%s.%d", t, i);
if(access(tmp2, AREAD) == 0) {
free(t);
if(scale > 1) {
t = smprint("%d*%s", scale, tmp2);
free(tmp2);
tmp2 = t;
}
return tmp2;
}
}
/* try default */
if(strncmp(t, "/mnt/font/", 10) == 0 || access(t, AREAD) == 0)
if(strncmp(t, "/mnt/font/", 10) == 0 || access(t, AREAD) == 0) {
if(scale > 1) {
tmp2 = smprint("%d*%s", scale, t);
free(t);
t = tmp2;
}
return t;
}
return nil;
}