ValueHandlerTempl< ValueT > Struct Template Reference

Inheritance diagram for ValueHandlerTempl< ValueT >:

List of all members.

Public Member Functions
virtual Real64	getValue (const UInt8 *data, UInt32 channels, UInt32 width, UInt32 height, UInt32 c, UInt32 x1, UInt32 y1, UInt32 z1, UInt32 x2, UInt32 y2, UInt32 z2, Real64 *weightX, Real64 *weightY, Real64 *weightZ)
virtual void	setValue (Real64 value, UInt8 *data, UInt32 channels, UInt32 width, UInt32 height, UInt32 c, UInt32 x, UInt32 y, UInt32 z)

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Detailed Description

template<class ValueT>
struct ValueHandlerTempl< ValueT >

Definition at line 194 of file OSGImageScaler.cpp.

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Member Function Documentation

template<class ValueT>

virtual Real64 ValueHandlerTempl< ValueT >::getValue	(	const UInt8 *	data,
		UInt32	channels,
		UInt32	width,
		UInt32	height,
		UInt32	c,
		UInt32	x1,
		UInt32	y1,
		UInt32	z1,
		UInt32	x2,
		UInt32	y2,
		UInt32	z2,
		Real64 *	weightX,
		Real64 *	weightY,
		Real64 *	weightZ
	)			[inline, virtual]

Implements ValueHandler.

Definition at line 196 of file OSGImageScaler.cpp.

    {
        Real64 result = 0;
        UInt32 x,y,z;

        for(z = 0 ; z <= (z2-z1) ; ++z)
        {
            for(y = 0 ; y <= (y2-y1) ; ++y)
            {
                ValueT *valueP = (ValueT*)(data) +
                    (z1 + z) * (height*width*channels) +
                    (y1 + y) * (width*channels) +
                    (x1)     * (channels) + c;
                for(x = 0 ; x <= (x2-x1) ; ++x)
                {
                    result += (Real64)*(valueP) *
                        (weightX[x] * weightY[y] * weightZ[z]);
                    valueP += channels;
                }
            }
        }
        return result;
    }

template<class ValueT>

virtual void ValueHandlerTempl< ValueT >::setValue	(	Real64	value,
		UInt8 *	data,
		UInt32	channels,
		UInt32	width,
		UInt32	height,
		UInt32	c,
		UInt32	x,
		UInt32	y,
		UInt32	z
	)			[inline, virtual]

Implements ValueHandler.

Definition at line 227 of file OSGImageScaler.cpp.

    {
        // clamp value.
        Real64 maxValue = (Real64)TypeTraits<ValueT>::getMax();
        if(value > maxValue)
        {
            value = maxValue;
        }
        else
        {
            if(value < 0.0)
                value = 0.0;
        }

        ValueT *valueP = (ValueT*)(data);
        valueP = valueP + 
            z * (width*height*channels) +
            y * (width*channels) +
            x * (channels) +
            c;

        *valueP = (ValueT)value;
    }

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The documentation for this struct was generated from the following file:

• OSGImageScaler.cpp