1 files changed, 24 insertions, 6 deletions

diff --git a/include/utouch/frame.h b/include/utouch/frame.h
index f136eb1..5b5f4d2 100644
--- a/include/utouch/frame.h
+++ b/include/utouch/frame.h
@@ -28,7 +28,7 @@ extern "C" {
 
 #include <stdint.h>
 
-#define UTOUCH_FRAME_VERSION    0x00001000
+#define UTOUCH_FRAME_VERSION    0x00001010
 
 /**
  * struct utouch_surface - device surface details
@@ -46,11 +46,23 @@ extern "C" {
  * @phys_width: physical width in millimeters (mm)
  * @phys_height: physical height in millimeters (mm)
  * @phys_pressure: maximal physical pressure (N/cm^2)
- * @min_x: minimum horizontal coordinate value
- * @min_y: minimum vertical coordinate value
- * @max_x: maximum horizontal coordinate value
- * @max_y: maximum vertical coordinate value
- * @max_pressure: maximum pressure coordinate value
+ * @min_x: minimum horizontal device coordinate
+ * @min_y: minimum vertical device coordinate
+ * @max_x: maximum horizontal device coordinate
+ * @max_y: maximum vertical device coordinate
+ * @max_pressure: maximum pressure device coordinate
+ * @max_orient: maximum orientation device coordinate
+ * @mapped_min_x: minimum horizontal mapped coordinate
+ * @mapped_min_y: minimum vertical mapped coordinate
+ * @mapped_max_x: maximum horizontal mapped coordinate
+ * @mapped_max_y: maximum vertical mapped coordinate
+ * @mapped_max_pressure: maximum pressure mapped coordinate
+ *
+ * The mutable contact given by utouch_frame_get_current_slot() should
+ * be set in device coordinates. The contact data is subsequently
+ * transformed to mapped (e.g., screen) coordinates in
+ * utouch_frame_sync(). To a frame user, all data will appear in
+ * mapped coordinates.
  *
  * Device properties and touch surface details. Later versions of this
  * struct may grow in size, but will remain binary compatible with
@@ -76,6 +88,12 @@ struct utouch_surface {
         float max_x;
         float max_y;
         float max_pressure;
+        float max_orient;
+        float mapped_min_x;
+        float mapped_min_y;
+        float mapped_max_x;
+        float mapped_max_y;
+        float mapped_max_pressure;
 };
 
 #define UTOUCH_TOOL_FINGER      0