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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 __BltGraph_h__
#define __BltGraph_h__
#include <tk.h>
extern "C" {
#include "bltChain.h"
};
#include "bltBind.h"
#include "bltGrMisc.h"
#include "bltGrText.h"
typedef struct _Blt_Ps *Blt_Ps;
class Graph;
class Crosshairs;
class Axis;
class Element;
class Legend;
class Pen;
class PageSetup;
namespace Blt {
class Marker;
};
typedef struct Ensemble {
const char *name;
Tcl_ObjCmdProc *proc;
const struct Ensemble *subensemble;
} Ensemble;
typedef struct {
int halo;
int mode;
int x;
int y;
int along;
Element* elemPtr;
Point2d point;
int index;
double dist;
} ClosestSearch;
typedef struct {
short int width;
short int height;
short int axesOffset;
short int axesTitleLength;
short int maxTickWidth;
short int maxTickHeight;
unsigned int nAxes;
Blt_Chain axes;
int reqSize;
int site;
} Margin;
typedef struct {
Tcl_HashTable table;
Blt_Chain displayList;
Tcl_HashTable tagTable;
} Component;
#define rightMargin margins[MARGIN_RIGHT]
#define leftMargin margins[MARGIN_LEFT]
#define topMargin margins[MARGIN_TOP]
#define bottomMargin margins[MARGIN_BOTTOM]
typedef struct {
double aspect;
Tk_3DBorder normalBg;
int borderWidth;
Margin margins[4];
Tk_Cursor cursor;
TextStyleOptions titleTextStyle;
int reqHeight;
XColor* highlightBgColor;
XColor* highlightColor;
int highlightWidth;
int inverted;
Tk_3DBorder plotBg;
int plotBW;
int xPad;
int yPad;
int plotRelief;
int relief;
ClosestSearch search;
int stackAxes;
const char *takeFocus; // nor used in C code
const char *title;
int reqWidth;
int reqPlotWidth;
int reqPlotHeight;
} GraphOptions;
class Graph {
public:
Tcl_Interp* interp_;
Tk_Window tkwin_;
Display *display_;
Tcl_Command cmdToken_;
Tk_OptionTable optionTable_;
void* ops_;
int valid_;
unsigned int flags;
int nextMarkerId_;
Component axes_;
Component elements_;
Component markers_;
Tcl_HashTable penTable_;
Blt_BindTable bindTable_;
Blt_Chain axisChain_[4];
Legend* legend_;
Crosshairs* crosshairs_;
PageSetup* pageSetup_;
int inset_;
short int titleX_;
short int titleY_;
short int titleWidth_;
short int titleHeight_;
int width_;
int height_;
short int left_;
short int right_;
short int top_;
short int bottom_;
Axis *focusPtr_;
int halo_;
GC drawGC_;
int vRange_;
int hRange_;
int vOffset_;
int hOffset_;
float vScale_;
float hScale_;
Pixmap cache_;
short int cacheWidth_;
short int cacheHeight_;
protected:
void layoutGraph();
void drawMargins(Drawable);
void printMargins(Blt_Ps);
int getMarginGeometry(Margin*);
void destroyPens();
void destroyElements();
void configureElements();
virtual void mapElements();
void drawElements(Drawable);
void drawActiveElements(Drawable);
void printElements(Blt_Ps);
void printActiveElements(Blt_Ps);
void destroyMarkers();
void configureMarkers();
void mapMarkers();
void drawMarkers(Drawable, int);
void printMarkers(Blt_Ps, int);
int createAxes();
void destroyAxes();
void configureAxes();
void mapAxes();
void drawAxes(Drawable);
void drawAxesLimits(Drawable);
void drawAxesGrids(Drawable);
void adjustAxes();
public:
Graph(ClientData, Tcl_Interp*, int, Tcl_Obj* const []);
virtual ~Graph();
virtual int configure();
void map();
void draw();
void eventuallyRedraw();
int print(const char*, Blt_Ps);
void extents(Region2d*);
int invoke(const Ensemble*, int, int, Tcl_Obj* const []);
void reconfigure();
void enableCrosshairs();
void disableCrosshairs();
int createAxis(int, Tcl_Obj* const []);
void printAxes(Blt_Ps);
void printAxesGrids(Blt_Ps);
void printAxesLimits(Blt_Ps);
int getAxis(Tcl_Obj*, Axis**);
ClientData axisTag(const char*);
Point2d map2D(double, double, Axis*, Axis*);
Point2d invMap2D(double, double, Axis*, Axis*);
virtual void resetAxes();
Axis* nearestAxis(int, int);
ClientData markerTag(const char*);
Blt::Marker* nearestMarker(int, int, int);
int isElementHidden(Blt::Marker*);
virtual int createElement(int, Tcl_Obj* const []) =0;
int getElement(Tcl_Obj*, Element**);
ClientData elementTag(const char*);
virtual int createPen(const char*, int, Tcl_Obj* const []) =0;
int getPen(Tcl_Obj*, Pen**);
void getTextExtents(Tk_Font, const char*, int, int*, int*);
void getBoundingBox(int, int, float, double*, double*, Point2d*);
Point2d anchorPoint(double, double, double, double, Tk_Anchor);
};
extern Blt_BindTagProc Blt_GraphTags;
#endif
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