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Annotation of Examples/AppKit/UnderPressure/Brush.h, revision 1.1

1.1     ! root        1: #if 0
        !             2: 
        !             3:   Brush.h -- Pressure sensitive paint brush
        !             4: 
        !             5:   by Peter Graffagnino, NeXT Computer Inc.
        !             6: 
        !             7:   You may freely copy, distribute, and reuse the code in this example.
        !             8:   NeXT disclaims any warranty of any kind, expressed or  implied, as to its
        !             9:   fitness for any particular use.
        !            10: 
        !            11: #endif
        !            12: 
        !            13: 
        !            14: #import <objc/Object.h>
        !            15: 
        !            16: /* 
        !            17:  *  A pressure sensitive brush whose size is governed by:
        !            18:  *     minSize + pressureCoefficient*(inputPressure^pressureExponent)
        !            19:  */
        !            20: 
        !            21: @interface Brush : Object
        !            22: {
        !            23:     NXColor brushColor;                
        !            24:     float pressureExponent;    
        !            25:     float minSize;
        !            26:     float pressureCoefficient;
        !            27:     double lastx, lasty, lastsize;     /* last point drawn (for connecting
        !            28:                                         * strokes)
        !            29:                                         */
        !            30: }    
        !            31: 
        !            32: /* drawing the brush */
        !            33: - brushMoveTo:(float)x :(float)y withPressure:(float) pressure
        !            34:  dirtyRect: (NXRect *) dirty;
        !            35: - brushLineTo:(float)x :(float)y withPressure:(float) pressure
        !            36:  dirtyRect: (NXRect *) dirty;
        !            37: 
        !            38: /* target/action & outlet-setting methods */
        !            39: - setMinSize: sender;
        !            40: - setPressureExponent: sender;
        !            41: - setBrushColor: sender;
        !            42: - setPressureCoefficient: sender;
        !            43: 
        !            44: @end

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