source: golgotha/src/maxtool/sdk_inc/hsv.h Tweet

/**********************************************************************
 *<
        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