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/*
* 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 _BLT_GR_MARKER_H
#define _BLT_GR_MARKER_H
#define MAX_OUTLINE_POINTS 12
namespace Blt {
class Marker;
typedef Marker* (MarkerCreateProc)(Graph*);
typedef void (MarkerDrawProc)(Marker* markerPtr, Drawable drawable);
typedef int (MarkerConfigProc)(Marker* markerPtr);
typedef void (MarkerMapProc)(Marker* markerPtr);
typedef void (MarkerPostscriptProc)(Marker* markerPtr, Blt_Ps ps);
typedef int (MarkerPointProc)(Marker* markerPtr, Point2d *samplePtr);
typedef int (MarkerRegionProc)(Marker* markerPtr, Region2d *extsPtr, int enclosed);
typedef struct {
Tk_OptionSpec *optionSpecs;
} MarkerClass;
typedef struct {
Point2d* points;
int num;
} Coords;
typedef struct {
const char** tags;
Coords* worldPts;
const char* elemName;
Axis2d axes;
int hide;
int state;
int drawUnder;
int xOffset;
int yOffset;
} MarkerOptions;
class Marker {
protected:
public:
GraphObj obj;
MarkerClass *classPtr;
Tk_OptionTable optionTable;
Tcl_HashEntry* hashPtr;
Blt_ChainLink link;
int clipped;
unsigned int flags;
void* ops;
private:
double HMap(Axis*, double);
double VMap(Axis*, double);
protected:
Point2d mapPoint(Point2d*, Axis2d*);
int boxesDontOverlap(Graph*, Region2d*);
public:
Marker(Graph*, const char*);
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 postscript(Blt_Ps) =0;
};
};
void Blt_FreeMarker(char*);
extern Tk_ObjCustomOption coordsObjOption;
extern Tk_ObjCustomOption capStyleObjOption;
extern Tk_ObjCustomOption joinStyleObjOption;
extern Tk_ObjCustomOption xAxisObjOption;
extern Tk_ObjCustomOption yAxisObjOption;
#endif
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