DrawPalette.h

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//DrawPalette.h

/*************************************************************/
//
// DrawPaletteDialog
//
// Object drawing palette
//
//-------------------------------------------------------------
//
// v 1.3 - 2007/02/17 - Added distance display
// v 1.2 - 2007/02/08 - Save draw directory
// v 1.1 - 2007/02/07 - Fixed positioning of elements
// v 1.0 - 2007/01/06 - Initial release
//
// See LICENSE.txt for distribution and usage restrictions
// Copyright (c) 2006-2007 Simon Chorley
// www.mylaboratory.co.uk - greylab@mylaboratory.co.uk
//
/*************************************************************/


///Drawing palette (Definition)
/**
 * Provides DrawPaletteDialog window class to manage creation of drawing primatives on the colourscale and linescan graphs.
 * @file DrawPalette.h
 * @version 1.3 - 2007/02/17
 */


#ifndef _DRAWPALETTE_H_
#define _DRAWPALETTE_H_

#include <fx.h>


#include "DataFunc.h"


///Drawing palette dialog class
/**
 * Maintains the list of drawing primatives, saving and loading lists and setting of parameters.
 */
class DrawPaletteDialog : public FXDialogBox
{
        FXDECLARE(DrawPaletteDialog)
private:
        FXColorWell             *drawfgColourwell;
        FXColorWell             *drawbgColourwell;
        FXTextField             *drawstrokeTextfield;

        FXTextField             *drawxposTextfield;
        FXTextField             *drawyposTextfield;
        FXPopup                 *drawbasisPopup;
        FXOption                *drawaxisOption;
        FXOption                *drawfractionalOption;
        FXOption                *drawabsoluteOption;
        FXOption                *drawaxisfractionalOption;
        FXOption                *drawborderOption;
        FXOptionMenu    *drawbasisOptionmenu;

        FXSwitcher              *drawobjectSwitcher;

        FXTextField             *drawxsizeTextfield;
        FXTextField             *drawysizeTextfield;
        FXPopup                 *drawsizebasisPopup;
        FXOption                *drawsizeaxisOption;
        FXOption                *drawsizefractionalOption;
        FXOption                *drawsizeabsoluteOption;
        FXOption                *drawsizeaxisfractionalOption;
        FXOption                *drawsizeborderOption;
        FXOptionMenu    *drawsizebasisOptionmenu;

        FXTextField             *drawtextTextfield;
        FXPopup                 *drawjustifyPopup;
        FXOption                *drawtljustifyOption;
        FXOption                *drawtrjustifyOption;
        FXOption                *drawbljustifyOption;
        FXOption                *drawbrjustifyOption;
        FXOption                *drawcjustifyOption;
        FXOptionMenu    *drawjustifyOptionmenu;

        FXTextField             *drawimageTextfield;

        FXTextField             *drawfunctionTextfield;
        FXCheckButton   *draw2dCheckbutton;
//      FXTextField             *drawscaleTextfield;

        FXCheckButton   *drawstartarrowCheckbutton;
        FXCheckButton   *drawendarrowCheckbutton;
        FXTextField             *drawarrowlengthTextfield;
        FXTextField             *drawarrowwidthTextfield;

        FXCheckButton   *drawstartlCheckbutton;
        FXCheckButton   *drawendlCheckbutton;
        FXCheckButton   *drawgradlCheckbutton;
        FXCheckButton   *drawdistlCheckbutton;

        FXColorList             *drawitemsColourlist;

        DrawPaletteDialog(){}

        int startpx, startpy;           ///<Start positions
        int currentpx, currentpy;       ///<Current positons
        double startax, startay;        ///<Start axis space values

        int totalwidth, totalheight;    ///<Total image sizes
        int xpixels, ypixels;                   ///<Data image sizes
        int borderleft, borderbottom, bordertop, borderright;   ///<Border sizes

        bool drawing;           ///<Drawing mode is on?

        FXString drawfile;      ///<File containing the list of primatives

        int updatetarget;       ///<Graph the primative list is attached to

#ifndef WIN32
        void coordSort(int &xmin, int &xmax, int &ymin, int &ymax, int spx, int epx, int spy, int epy);
#endif
        void constructItemLine(int idx);
        void ImageLoad(void);

public:
        void setImageCoords(int tw, int th, int xp, int yp, int bl, int bb);
        void drawPrimative(FXDCWindow *dcw, double x, double y, int mx, int my, int xpx, int ypx);
        void startDraw(double x, double y, int mx, int my, int xpx, int ypx);
        void endDraw(FXDCWindow *dcw, double x, double y, int mx, int my, int xpx, int ypx);

        long cmdUpdateData(FXObject*, FXSelector, void*);
        long cmdUpdatePositionData(FXObject*, FXSelector, void*);
        long cmdUpdateAllData(FXObject*, FXSelector, void*);
        long cmdItemDelete(FXObject*, FXSelector, void*);
        long cmdItemSelect(FXObject*, FXSelector, void*);

        long cmdNewLine(FXObject*, FXSelector, void*);
        long cmdNewText(FXObject*, FXSelector, void*);
        long cmdNewRect(FXObject*, FXSelector, void*);
        long cmdNewEllipse(FXObject*, FXSelector, void*);
        long cmdNewImage(FXObject*, FXSelector, void*);
        long cmdNewFunction(FXObject*, FXSelector, void*);

        long cmdItemUp(FXObject*, FXSelector, void*);
        long cmdItemDown(FXObject*, FXSelector, void*);

        long cmdImageBrowse(FXObject*, FXSelector, void*);

        long cmdNew(FXObject*, FXSelector, void*);
        long cmdLoad(FXObject*, FXSelector, void*);
        long cmdAppend(FXObject*, FXSelector, void*);
        long cmdSave(FXObject*, FXSelector, void*);
        long cmdSaveAs(FXObject*, FXSelector, void*);

        enum { ID_DRAW_NEWLINE = FXDialogBox::ID_LAST, ID_DRAW_NEWTEXT, ID_DRAW_NEWRECT, ID_DRAW_NEWELLIPSE, ID_DRAW_NEWIMAGE, ID_DRAW_NEWFUNCTION,
                ID_DRAW_IMAGEBROWSE,
                ID_DRAW_ITEMUP, ID_DRAW_ITEMDN, ID_DRAW_CHANGED, ID_DRAW_ITEMSEL,
                ID_DRAW_NEW, ID_DRAW_LOAD, ID_DRAW_APPEND, ID_DRAW_SAVE, ID_DRAW_SAVEAS };

        DrawPaletteDialog(FXWindow *owner, int target);
        virtual ~DrawPaletteDialog();
        void hide(void);

        FXString drawdirectory; ///<Directory of the file dialog box
//      float width, height;

        ///Drawing primative
        struct primative
        {
                enum typemode { LINE, TEXT, RECT, ELLIPSE, IMAGE, FUNCTION } type;      ///<Primative type
                FXColor fg;             ///<Foreground colour
                FXColor bg;             ///<Background colour
                int stroke;             ///<Line thickness
                float position[2];              ///<Primative position
                enum axismode { AXISABS, IMAGEFRAC, IMAGEABS, AXISFRAC, BORDERFRAC } posmode;   ///<Position coordinate interpretation mode
                float dimensions[2];    ///<Primative dimension or end coordinate
                enum axismode dimmode;  ///<Dimension interpretation mode
                FXString *text;                 ///<Primative text
                enum justification { TL, TR, BL, BR, C } justify;       ///<Text justification mode
                bool arrow[2];                  ///<Use start/end arrow?
                float arrowsize[2];             ///<Arrow width and length
                FXString *file;                 ///<Image file name
                unsigned int imageid;   ///<DevIL image ID
                bool validimage;                ///<Is a valid image?
                FXString *func;                 ///<Data function to plot
                CDataFunc *datafunc;    ///<Data function execution unit
                bool twod;                              ///<Two-dimensional function?
                bool startendgrad[4];   ///<Draw start, end, gradient or size text?
        } *primatives;          ///<List of primatives
        int nPrimatives;        ///<Number of primatives

private:
        void createPrimative(primative::typemode p);
        void newPrimative(primative::typemode p);
        void deletePrimative(int idx);

};

#endif

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