/Users/airy/Sources/augui/AUGUIFramework/Controls/TKnobArcControl.h

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/*
 *  TKnobArcControl.h
 *  Muso
 *
 *  Created by Airy ANDRE on 05/09/04.
 *  Copyright 2004 __MyCompanyName__. All rights reserved.
 *
 */

#ifndef TKnobArcControl_H_
#define TKnobArcControl_H_

#include "TKnobControl.h"

// We should have some kind of TVirtualKnobControl, from which other knobs derive

// -----------------------------------------------------------------------------

enum
{
        kNoAlphaBlend                           = 0,
        kAlphaBlend                                     = 1,
        kInverseAlphaBlend                      = 2,
        
    kSmallWidthNoCenter                 = 0,
    kSmallDynamicNoCenter               = 1,
        kSmallInvDynamicNoCenter        = 2,
    kSmallWidth                                 = 3,
    kSmallDynamic                               = 4,
    kSmallRing                                  = 5,
                
    kLiveLike                                   = 10,

        kFullWidth                                      = 100,
        kFullWidthNoCenter                      = 101
};

// -----------------------------------------------------------------------------

class TKnobArcControl:public TKnobControl
{
        AUGUIDefineControl(TKnobArcControl, TKnobControl, "knobArc");

public:
        // Control properties management

        virtual void SetProperty(OSType propID, double value);
        virtual void SetProperty(OSType propID, int32_t value);
        virtual void SetProperty(OSType propID, AUGUI::color_t &value);
        
        virtual bool GetProperty(OSType propID, double &value);
        virtual bool GetProperty(OSType propID, int32_t &value);
        virtual bool GetProperty(OSType propID, AUGUI::color_t &value);
        
protected:
    // Constructor/Destructor
        
                         TKnobArcControl(HIViewRef inControl);
    virtual ~TKnobArcControl();
    
        virtual void    TitleChanged();
    virtual void        CompatibleDraw(RgnHandle inLimitRgn, CGContextRef inContext,bool inCompositing);        
        
private:
        
        void    DrawStrokeArc(CGContextRef context, float fillWidth, float fillRadius, float startAngle, float endAngle, float alphaBlend);
        void    DrawFillArc(CGContextRef context, float fillRadius, float startAngle, float endAngle, float alphaBlend);
        
        float   mFill_R, mFill_G, mFill_B, mFill_A;
        float   mFrame_R, mFrame_G, mFrame_B, mFrame_A;
        
        bool    mDrawFrame;
        bool    mHalfCircle;
        int             mFillMode;
        int             mAlphaBlend;
        
        float   mMiddleAngle;
        
};

#endif // TKnobArcControl_H_#endif

// -----------------------------------------------------------------------------

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