/**********************************************************************

 *<

	FILE: hsv.h



	DESCRIPTION:



	CREATED BY: Dan Silva



	HISTORY:



 *>	Copyright (c) 1994, All Rights Reserved.

 **********************************************************************/



#ifndef __HSV__H

#define __HSV__H





#define MAXCOLORS 16





// This callback proc gets called after every mouse button up to tell you the

// new color, if you want to do interactive update.



class HSVCallback {

	public:

		virtual	void ButtonDown() {}

		virtual	void ButtonUp(BOOL accept) {}

		virtual	void ColorChanged(DWORD col, BOOL buttonUp)=0;	   										

		virtual	void BeingDestroyed(IPoint2 pos)=0;	// gets called when picker is closed: 

	};



// Put up the dialog.

extern CoreExport int HSVDlg_Do(

	HWND hwndOwner, 		// owning window

	DWORD *lpc,				// pointer to color to be edited

    IPoint2 *spos, 			// starting position, set to ending position

    HSVCallback *callBack,	// called when color changes

	TCHAR *name				// name of color being edited

    );



CoreExport void RGBtoHSV (DWORD rgb, int *ho, int *so, int *vo);

CoreExport DWORD HSVtoRGB (int H, int S, int V);

CoreExport void HSVtoHWBt (int h, int s, int v, int *ho, int *w, int *bt);

CoreExport void HWBttoHSV (int h, int w, int bt, int *ho, int *s, int *v);



// RB: Added floating point versions

class Color;

CoreExport Color RGBtoHSV(Color rgb);

CoreExport Color HSVtoRGB(Color hsv);





// MODELESS Version



class ColorPicker {

	public:

		ColorPicker() {}

		virtual	~ColorPicker() {};

		virtual void ModifyColor (DWORD color)=0;

		virtual void SetNewColor (DWORD color, TCHAR *name)=0;  

		virtual DWORD GetColor()=0;

		virtual IPoint2 GetPosition()=0;

		virtual void Destroy()=0;  //when parent is going away.

		virtual void InstallNewCB(DWORD col, HSVCallback *pcb, TCHAR *name)=0;

	};



CoreExport ColorPicker *CreateColorPicker(HWND hwndOwner, DWORD initColor,

	 IPoint2* spos, HSVCallback *pcallback, TCHAR *name, int objClr=0);

	 

CoreExport void SetCPInitPos(IPoint2 &pos);

CoreExport IPoint2 GetCPInitPos(void);	



#define WM_ADD_COLOR	(WM_USER+2321)	// wParam = color



#endif