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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 __BltGrMisc_h__
#define __BltGrMisc_h__
#include <iostream>
#include <sstream>
#include <iomanip>
using namespace std;
#include <tk.h>
#ifndef MIN
# define MIN(x,y) ((x)<(y)?(x):(y))
#endif
#ifndef MAX
# define MAX(x,y) ((x)>(y)?(x):(y))
#endif
#define GRAPH_DELETED (1<<1)
#define REDRAW_PENDING (1<<2)
#define FOCUS (1<<3)
#define MAP_ITEM (1<<4)
#define RESET (1<<5)
#define LAYOUT (1<<6)
#define MAP_MARKERS (1<<7)
#define CACHE (1<<8)
#define MARGIN_NONE -1
#define MARGIN_BOTTOM 0 /* x */
#define MARGIN_LEFT 1 /* y */
#define MARGIN_TOP 2 /* x2 */
#define MARGIN_RIGHT 3 /* y2 */
#define LineIsDashed(d) ((d).values[0] != 0)
namespace Blt {
class Graph;
typedef struct {
double x;
double y;
} Point2d;
typedef struct {
Point2d p;
Point2d q;
} Segment2d;
typedef struct {
double left;
double right;
double top;
double bottom;
} Region2d;
typedef enum {
CID_NONE, CID_AXIS_X, CID_AXIS_Y, CID_ELEM_BAR, CID_ELEM_LINE,
CID_MARKER_BITMAP, CID_MARKER_IMAGE, CID_MARKER_LINE, CID_MARKER_POLYGON,
CID_MARKER_TEXT
} ClassId;
typedef struct {
unsigned char values[12];
int offset;
} Dashes;
extern char* dupstr(const char*);
extern Graph* getGraphFromWindowData(Tk_Window tkwin);
extern int pointInPolygon(Point2d *samplePtr, Point2d *screenPts,
int nScreenPts);
extern int polyRectClip(Region2d *extsPtr, Point2d *inputPts,
int nInputPts, Point2d *outputPts);
extern int lineRectClip(Region2d *regionPtr, Point2d *p, Point2d *q);
extern Point2d getProjection (int x, int y, Point2d *p, Point2d *q);
};
#endif
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