1 files changed, 21 insertions, 0 deletions

diff --git a/src/grail-inserter.h b/src/grail-inserter.h
index a81e431..f8ec5ca 100644
--- a/src/grail-inserter.h
+++ b/src/grail-inserter.h
@@ -46,6 +46,27 @@ struct slot_state {
         struct gebuf buf;
 };
 
+struct gesture_inserter {
+        struct slot_state state[DIM_INSTANCE];
+        grail_mask_t unused[DIM_INSTANCE_BYTES];
+        grail_mask_t fresh[DIM_INSTANCE_BYTES];
+        grail_mask_t used[DIM_INSTANCE_BYTES];
+        grail_time_t time;
+        int gestureid;
+        float scale_x, scale_y, scale_r;
+        float trans_x, trans_y;
+};
+
+static inline float gin_prop_x(const struct gesture_inserter *gin, float x)
+{
+        return gin->scale_x * x + gin->trans_x;
+}
+
+static inline float gin_prop_y(const struct gesture_inserter *gin, float y)
+{
+        return gin->scale_y * y + gin->trans_y;
+}
+
 int gin_init(struct grail *ge);
 void gin_destroy(struct grail *ge);