Update to version 0.4.2.

[xournal.git] / src / xo-shapes.h

diff --git a/src/xo-shapes.h b/src/xo-shapes.h
new file mode 100644 (file)
index 0000000..77c12fd
--- /dev/null
+++ b/src/xo-shapes.h
@@ -0,0 +1,25 @@
+// #define RECOGNIZER_DEBUG  // uncomment for debug output
+
+#define MAX_POLYGON_SIDES 4
+
+#define LINE_MAX_DET 0.015   // maximum score for line (ideal line = 0)
+#define CIRCLE_MIN_DET 0.95 // minimum det. score for circle (ideal circle = 1)
+#define CIRCLE_MAX_SCORE 0.10 // max circle score for circle (ideal circle = 0)
+
+#define SLANT_TOLERANCE (5*M_PI/180) // ignore slanting by +/- 5 degrees
+#define RECTANGLE_ANGLE_TOLERANCE (15*M_PI/180) // angle tolerance in rectangles
+#define RECTANGLE_LINEAR_TOLERANCE 0.20 // vertex gap tolerance in rectangles
+#define POLYGON_LINEAR_TOLERANCE 0.20 // vertex gap tolerance in closed polygons
+
+#define ARROW_MAXSIZE 0.8 // max size of arrow tip relative to main segment
+#define ARROW_ANGLE_MIN (5*M_PI/180) // arrow tip angles relative to main segment
+#define ARROW_ANGLE_MAX (50*M_PI/180)
+#define ARROW_ASYMMETRY_MAX_ANGLE (30*M_PI/180)
+#define ARROW_ASYMMETRY_MAX_LINEAR 1.0 // size imbalance of two legs of tip
+#define ARROW_TIP_LINEAR_TOLERANCE 0.30 // gap tolerance on tip segments
+#define ARROW_SIDEWAYS_GAP_TOLERANCE 0.25 // gap tolerance in lateral direction
+#define ARROW_MAIN_LINEAR_GAP_MIN -0.3 // gap tolerance on main segment
+#define ARROW_MAIN_LINEAR_GAP_MAX +0.7 // gap tolerance on main segment
+
+void recognize_patterns(void);
+void reset_recognizer(void);