DirectX SDK

D3DXColorNegative

The D3DXColorNegative function creates the negative color value of the given color value.

D3DXCOLOR* D3DXColorNegative(
  D3DXCOLOR* pOut,
  const D3DXCOLOR* pC
); 

Parameters

pOut
A pointer to a D3DXCOLOR structure that is the result of the operation.
pC
A pointer to a source D3DXCOLOR structure.

Return Values

The function returns a pointer to a D3DXCOLOR structure that is the negative color value of the given color value.

Remarks

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXColorNegative function can be used as a parameter for another function.

This function returns the negative color value by subtracting 1.0 from the color components of the given D3DXCOLOR structure:

    pOut->r = 1.0f - pC->r;

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Version: Requires DirectX 7.0.
  Header: Declared in d3dxmath.h.
  Library: Use d3dx.lib.

See Also

D3DXColorLerp, D3DXColorModulate, D3DXColorScale