Add functions to extract number of frames and slots

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

2 files changed, 24 insertions, 0 deletions

diff --git a/include/utouch/frame.h b/include/utouch/frame.h
index 60195ef..318ce4b 100644
--- a/include/utouch/frame.h
+++ b/include/utouch/frame.h
@@ -189,6 +189,20 @@ struct utouch_frame {
  */
 unsigned int utouch_frame_get_version(void);
 
+/**
+ * utouch_frame_get_num_frames - get number of supported frames
+ *
+ * Returns the number of frames supported by this engine.
+ */
+unsigned int utouch_frame_get_num_frames(utouch_frame_handle fh);
+
+/**
+ * utouch_frame_get_num_slots - get number of supported slots
+ *
+ * Returns the number of simultaneous contacts supported by this engine.
+ */
+unsigned int utouch_frame_get_num_slots(utouch_frame_handle fh);
+
 utouch_frame_handle utouch_frame_new_engine_raw(unsigned int num_frames,
                                                 unsigned int num_slots,
                                                 unsigned int frame_rate,
diff --git a/src/frame.c b/src/frame.c
index f1c8aa4..b2ef401 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -33,6 +33,16 @@ unsigned int utouch_frame_get_version(void)
         return UTOUCH_FRAME_VERSION;
 }
 
+unsigned int utouch_frame_get_num_frames(utouch_frame_handle fh)
+{
+        return fh->num_frames;
+}
+
+unsigned int utouch_frame_get_num_slots(utouch_frame_handle fh)
+{
+        return fh->num_slots;
+}
+
 static void destroy_slots(struct utouch_contact **slots, int nslot)
 {
         int i;