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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>
/*
* MAP_ITEM Indicates that the element/marker/axis
* configuration has changed such that
* its layout of the item (i.e. its
* position in the graph window) needs
* to be recalculated.
*
* MAP_ALL Indicates that the layout of the axes and
* all elements and markers and the graph need
* to be recalculated. Otherwise, the layout
* of only those markers and elements that
* have changed will be reset.
*
* GET_AXIS_GEOMETRY Indicates that the size of the axes needs
* to be recalculated.
*
* RESET_AXES Flag to call to Blt_ResetAxes routine.
* This routine recalculates the scale offset
* (used for mapping coordinates) of each axis.
* If an axis limit has changed, then it sets
* flags to re-layout and redraw the entire
* graph. This needs to happend before the axis
* can compute transformations between graph and
* screen coordinates.
*
* LAYOUT_NEEDED
*
* CACHE_DIRTY If set, redraw all elements into the pixmap
* used for buffering elements.
*
* REDRAW_PENDING Non-zero means a DoWhenIdle handler has
* already been queued to redraw this window.
*
*/
#define GRAPH_DELETED (1<<1)
#define REDRAW_PENDING (1<<2)
#define FOCUS (1<<3)
#define MAP_ITEM (1<<4)
#define MAP_ALL (1<<5)
#define LAYOUT_NEEDED (1<<6)
#define RESET_AXES (1<<7)
#define GET_AXIS_GEOMETRY (1<<8)
#define CACHE_DIRTY (1<<9)
#define MAP_WORLD (MAP_ALL|RESET_AXES|GET_AXIS_GEOMETRY)
#define MARGIN_NONE -1
#define MARGIN_BOTTOM 0 /* x */
#define MARGIN_LEFT 1 /* y */
#define MARGIN_TOP 2 /* x2 */
#define MARGIN_RIGHT 3 /* y2 */
class Graph;
typedef struct {
double x;
double y;
} Point2d;
typedef struct {
double left;
double right;
double top;
double bottom;
} Region2d;
typedef struct {
Point2d p;
Point2d q;
} Segment2d;
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, CID_LEGEND_ENTRY,
} ClassId;
typedef struct {
unsigned char values[12];
int offset;
} Blt_Dashes;
#define LineIsDashed(d) ((d).values[0] != 0)
namespace Blt {
extern char* dupstr(const char*);
};
extern void Blt_SetDashes (Display *display, GC gc, Blt_Dashes *dashesPtr);
extern int Blt_PointInPolygon(Point2d *samplePtr, Point2d *screenPts,
int nScreenPts);
extern int Blt_GetXY(Tcl_Interp* interp, Tk_Window tkwin,
const char *string, int *xPtr, int *yPtr);
extern int Blt_PolyRectClip(Region2d *extsPtr, Point2d *inputPts,
int nInputPts, Point2d *outputPts);
extern void Blt_Draw2DSegments(Display *display, Drawable drawable, GC gc,
Segment2d *segments, int nSegments);
extern int Blt_LineRectClip(Region2d *regionPtr, Point2d *p, Point2d *q);
extern GC Blt_GetPrivateGC(Tk_Window tkwin, unsigned long gcMask,
XGCValues *valuePtr);
extern void Blt_FreePrivateGC(Display *display, GC gc);
extern Point2d Blt_GetProjection (int x, int y, Point2d *p, Point2d *q);
extern long Blt_MaxRequestSize (Display *display, size_t elemSize);
extern Graph *Blt_GetGraphFromWindowData(Tk_Window tkwin);
#endif
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