blendcolor(3G)							blendcolor(3G)

NAME    [Toc]    [Back]

     blendcolor	- specifies a constant color for blending

C SPECIFICATION    [Toc]    [Back]

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

PARAMETERS    [Toc]    [Back]

     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    [Toc]    [Back]

     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    [Toc]    [Back]

     blendfunction

NOTES    [Toc]    [Back]

     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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