DialogColorPicker.h

Go to the documentation of this file.

/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#ifndef __DIALOGCOLORPICKER__
#define __DIALOGCOLORPICKER__

// Original ColorPicker/DIB source by Rajiv Ramachandran <rrajivram@hotmail.com>
// included with permission from the author

#include "CDib.h"

#define RADIUS          100
#define PI                      3.14159265358

#define RECT_WIDTH      5

#define TOSCALE(x)      (((x)*RADIUS)/255.0)
#define SCALETOMAX(x) (((x)*255.0)/RADIUS)


#define RED     0
#define GREEN 1
#define BLUE 2

#define BAD_SLOPE       1000000.0


struct HSVType;

struct RGBType {
        COLORREF                color() { return RGB( r, g, b ); }
        HSVType                 toHSV();
        int                             r, g, b;
};

struct HSVType {
        RGBType                 toRGB();
        int                             h, s, v;
};

struct LineDesc {
        double                  x, y;
        double                  slope;
        double                  c;
};


class CDialogColorPicker : public CDialog
{
// Construction
public:
                                        CDialogColorPicker(COLORREF c,CWnd* pParent = NULL);   // standard constructor
                                        ~CDialogColorPicker();

        COLORREF                GetColor() { return color.color();};
        float                   GetOverBright() { return overBright; };


        // Dialog Data
        //{{AFX_DATA(CDialogColorPicker)
        enum { IDD = IDD_DIALOG_COLORS };
        float                   m_overBright;
        //}}AFX_DATA

        void                    (*UpdateParent)( float r, float g, float b, float a );

        // Overrides
        // ClassWizard generated virtual function overrides
        //{{AFX_VIRTUAL(CDialogColorPicker)
        //}}AFX_VIRTUAL

// Implementation
protected:

        // Generated message map functions
        //{{AFX_MSG(CDialogColorPicker)
        afx_msg void    OnLButtonDown(UINT nFlags, CPoint point);
        afx_msg void    OnLButtonUp(UINT nFlags, CPoint point);
        afx_msg void    OnMouseMove(UINT nFlags, CPoint point);
        afx_msg void    OnSysColorChange();
        afx_msg void    OnPaint();
        virtual BOOL    OnInitDialog();
        afx_msg void    OnChangeEditBlue();
        afx_msg void    OnChangeEditGreen();
        afx_msg void    OnChangeEditHue();
        afx_msg void    OnChangeEditRed();
        afx_msg void    OnChangeEditSat();
        afx_msg void    OnChangeEditVal();
        afx_msg void    OnChangeEditOverbright();
        afx_msg void    OnTimer(UINT nIDEvent);
        afx_msg void    OnBtnColor();
        //}}AFX_MSG
        DECLARE_MESSAGE_MAP()

        void                    DrawFilledColor(CDC *pDC,CRect cr,COLORREF c);
        void                    DrawLines(CDC *pDC);
        void                    DrawXorRect(CDC *pDC,CRect& cr);
        void                    CalcSlopes();
        void                    CalcCuboid();

        void                    CreateBrightDIB();
        void                    SetDIBPalette();
        void                    DrawMarkers(CDC *pDC);
        void                    TrackPoint(CPoint pt);
        void                    CalcRects();
                
        BOOL                    InCircle(CPoint pt);
        BOOL                    InBright(CPoint pt);
        BOOL                    InOverBright(CPoint pt);


        void                    SetSpinVals();
        void                    SetEditVals();
        void                    DrawAll();

        void                    DrawRGB(CDC *pDC);
        void                    DrawHSB(CDC *pDC);

        void                    LoadMappedBitmap(CBitmap& bitmap,UINT nIdResource,CSize& size);

        CBitmap                 m_RgbBitmap,m_HsbBitmap;

        CDC                             memDC;
        CPoint                  m_Centre;
        CDIB                    m_BrightDIB;

        int                             rgbWidth;
        int                             rgbHeight;
        int                             hsbWidth;
        int                             hsbHeight;

        int                             m_nMouseIn;
        CRect                   m_CurrentRect,brightMark;
        CRect                   brightRect;
        CRect                   overBrightRect;

        HSVType                 hsvColor;       

        RGBType                 color;
        RGBType                 m_OldColor;
        CPoint                  Vertex;
        CPoint                  Top;
        CPoint                  Left;
        CPoint                  Right;
        CRect                   rects[3];
        CPoint                  m_Cuboid[8];
        BOOL                    m_bInMouse;
        int                             nIndex;
        int                             RedLen;
        int                             GreenLen;
        int                             BlueLen;
        LineDesc                lines[3];


        CRect                   rgbRect;
        CRect                   hsbRect;
        CRect                   OldColorRect;
        CRect                   NewColorRect;

        BOOL                    m_bInitOver;
        BOOL                    m_bInDrawAll;

        float                   overBright;
};

bool DoNewColor( int* i1, int* i2, int* i3, float *overBright, void (*Update)( float, float, float, float ) = NULL );

#endif /* !__DIALOGCOLORPICKER__ */