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vpEnable

vpEnable

Section: C Library Functions (3) Updated:
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NAME

vpEnable - enable or disable options  

SYNOPSIS

#include <volpack.h>

vpResult

vpEnable(vpc, option, value)
vpContext *vpc;
int option;
int value;
 

ARGUMENTS

vpc
VolPack context from vpCreateContext.
option
Constant that specifies the option to be adjusted.
value
New value for the option (boolean: 0 or 1).
 

DESCRIPTION

vpEnable is used to enable or disable boolean options in a rendering context. If the value option is 0 then the option is disabled; otherwise it is enabled. The following list summarizes all available options:
VP_LIGHT0
VP_LIGHT1
VP_LIGHT2
VP_LIGHT3
VP_LIGHT4
VP_LIGHT5
Enable the corresponding light source (see vpSetLight(3)). Default: VP_LIGHT0 is enabled, and all others are disabled.
VP_LIGHT_BOTH_SIDES
Enable two-sided lighting (see vpSetLight(3)). Default: disabled
VP_REVERSE_SURFACE_SIDES
Reverse the definition of interior and exterior surfaces (see vpSetMaterial(3)). Default: disabled
VP_DEPTH_CUE
Enable depth cueing (see vpSetDepthCueing(3)). Default: disabled
VP_VIEW_X_AXIS
VP_VIEW_Y_AXIS
VP_VIEW_Z_AXIS
Enable computing a preclassified volume for the corresponding major viewing axis (see vpClassifyVolume(3)). Default: enabled
VP_SHADOW
Enable rendering shadows (see vpSetShadowLookupShader(3)). Default: disabled
VP_CLAMP_SHADE_TABLE
Enable clamping the color components in a shade table to the range 0.0-255.0. This option affects vpShadeTable(). Default: enabled
 

ERRORS

The normal return value is VP_OK. The following error return value is possible:
VPERROR_BAD_VALUE
The option argument is invalid.
 

SEE ALSO

VolPack(3), vpCreateContext(3)


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
ERRORS
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 21:45:34 GMT, April 16, 2011