1 files changed, 103 insertions, 0 deletions
diff --git a/tkblt/generic/tkbltGrMarker.h b/tkblt/generic/tkbltGrMarker.h
new file mode 100644
index 0000000..573357d
--- /dev/null
+++ b/tkblt/generic/tkbltGrMarker.h
@@ -0,0 +1,103 @@
+/*
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * This code has been modified under the terms listed below and is made
+ * available under the same terms.
+ */
+
+/*
+ *	Copyright 1993-2004 George A Howlett.
+ *
+ *	Permission is hereby granted, free of charge, to any person obtaining
+ *	a copy of this software and associated documentation files (the
+ *	"Software"), to deal in the Software without restriction, including
+ *	without limitation the rights to use, copy, modify, merge, publish,
+ *	distribute, sublicense, and/or sell copies of the Software, and to
+ *	permit persons to whom the Software is furnished to do so, subject to
+ *	the following conditions:
+ *
+ *	The above copyright notice and this permission notice shall be
+ *	included in all copies or substantial portions of the Software.
+ *
+ *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *	NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *	LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *	OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __BltGrMarker_h__
+#define __BltGrMarker_h__
+
+#include <tk.h>
+
+#include "tkbltChain.h"
+
+#include "tkbltGrMisc.h"
+#include "tkbltGrPSOutput.h"
+
+namespace Blt {
+  class Graph;
+  class Postscript;
+  class Axis;
+
+  typedef struct {
+    Point2d* points;
+    int num;
+  } Coords;
+
+  typedef struct {
+    const char** tags;
+    Coords* worldPts;
+    const char* elemName;
+    Axis* xAxis;
+    Axis* yAxis;
+    int hide;
+    int drawUnder;
+    int xOffset;
+    int yOffset;
+  } MarkerOptions;
+
+  class Marker {
+  protected:
+    Tk_OptionTable optionTable_;
+    void* ops_;
+
+  public:
+    Graph* graphPtr_;
+    const char *name_;
+    Tcl_HashEntry* hashPtr_;
+    ChainLink* link;
+    unsigned int flags;		
+    int clipped_;
+
+  protected:
+    double HMap(Axis*, double);
+    double VMap(Axis*, double);
+    Point2d mapPoint(Point2d*, Axis*, Axis*);
+    int boxesDontOverlap(Graph*, Region2d*);
+    int regionInPolygon(Region2d *extsPtr, Point2d *points, 
+			int nPoints, int enclosed);
+
+  public:
+    Marker(Graph*, const char*, Tcl_HashEntry*);
+    virtual ~Marker();
+
+    virtual int configure() =0;
+    virtual void draw(Drawable) =0;
+    virtual void map() =0;
+    virtual int pointIn(Point2d*) =0;
+    virtual int regionIn(Region2d*, int) =0;
+    virtual void print(PSOutput*) =0;
+
+    virtual ClassId classId() =0;
+    virtual const char* className() =0;
+    virtual const char* typeName() =0;
+
+    Tk_OptionTable optionTable() {return optionTable_;}
+    void* ops() {return ops_;}
+  };
+};
+
+#endif