blendcolor man page on IRIX

blendcolor man page on IRIX

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blendcolor(3G)							blendcolor(3G)

NAME
     blendcolor - specifies a constant color for blending

C SPECIFICATION
     void blendcolor(float red, float green, float blue, float alpha)

PARAMETERS
     red   is a floating point value between 0 and 1 (default 1.0).

     green is a floating point value between 0 and 1 (default 1.0).

     blue  is a floating point value between 0 and 1 (default 1.0).

     alpha is a floating point value between 0 and 1 (default 1.0).

DESCRIPTION
     blendcolor specifies the color components used by blend functions
     BF_CA, BF_MCA, BF_CC and BF_MCC.  The blend color can be changed only by
     calling blendcolor.  Since blend color is not stored in the framebuffer,
     it can be used even if the framebuffer does not include alpha bitplanes.
     Red, green, blue, and alpha are clamped to the closed range 0 through 1
     when blendcolor is called.

     Red, green, blue, and alpha are 0 by default.

SEE ALSO
     blendfunction

NOTES
     IRIS-4D G, GT, GTX, VGX, and VGXT models, the Personal Iris, Indigo
     Entry, Indy, XL, XS, XS24, XZ, Elan and Extreme systems do not support
     blendcolor.

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