diff options
Diffstat (limited to 'src/capabilities.c')
| -rw-r--r-- | src/capabilities.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/capabilities.c b/src/capabilities.c index 7316f01..620ab60 100644 --- a/src/capabilities.c +++ b/src/capabilities.c @@ -26,6 +26,8 @@ #define ADDCAP(s, c, x) strcat(s, c->has_##x ? " " #x : "") +static const int SN_COORD = 250; /* coordinate signal-to-noise ratio */ + static const int bits_per_long = 8 * sizeof(long); static inline int nlongs(int nbit) @@ -78,6 +80,13 @@ int read_capabilities(struct Capabilities *cap, int fd) cap->has_mtdata = cap->has_position_x && cap->has_position_y; + cap->xfuzz = cap->abs_position_x.fuzz; + cap->yfuzz = cap->abs_position_y.fuzz; + if (cap->xfuzz <= 0 || cap->yfuzz <= 0) { + cap->xfuzz = get_cap_xsize(cap) / SN_COORD; + cap->yfuzz = get_cap_ysize(cap) / SN_COORD; + } + return 0; } |