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vpEnable(3)           DragonFly Library Functions Manual           vpEnable(3)

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) VolPack vpEnable(3)

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