diff options
Diffstat (limited to 'src/libdraw/subfontcache.c')
-rw-r--r-- | src/libdraw/subfontcache.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/libdraw/subfontcache.c b/src/libdraw/subfontcache.c new file mode 100644 index 00000000..eb0bdba8 --- /dev/null +++ b/src/libdraw/subfontcache.c @@ -0,0 +1,39 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +/* + * Easy versions of the cache routines; may be substituted by fancier ones for other purposes + */ + +static char *lastname; +Subfont *lastsubfont; + +Subfont* +lookupsubfont(Display *d, char *name) +{ + if(strcmp(name, "*default*") == 0) + return d->defaultsubfont; + if(lastname && strcmp(name, lastname)==0 && d==lastsubfont->bits->display){ + lastsubfont->ref++; + return lastsubfont; + } + return 0; +} + +void +installsubfont(char *name, Subfont *subfont) +{ + free(lastname); + lastname = strdup(name); + lastsubfont = subfont; /* notice we don't free the old one; that's your business */ +} + +void +uninstallsubfont(Subfont *subfont) +{ + if(subfont == lastsubfont){ + lastname = 0; + lastsubfont = 0; + } +} |