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Man Pages


Manual Reference Pages  -  GLUTLAYERGET (3)

NAME

glutLayerGet - retrieves GLUT state pertaining to the layers of the current window.

CONTENTS

Syntax
Arguments
Description
See Also
Author

SYNTAX


int glutLayerGet(GLenum info);

ARGUMENTS

info Name of device information to retrieve.
GLUT_OVERLAY_POSSIBLE
  Whether an overlay could be established for the current window given the current initial display mode. If false, glutEstablishOverlay will fail with a fatal error if called.
GLUT_LAYER_IN_USE
  Either GLUT_NORMAL or GLUT_OVERLAY depending on whether the normal plane or overlay is the layer in use.
GLUT_HAS_OVERLAY
  If the current window has an overlay established.
GLUT_TRANSPARENT_INDEX
  The transparent color index of the overlay of the current window; negative one is returned if no overlay is in use.
GLUT_NORMAL_DAMAGED
  True if the normal plane of the current window has damaged (by window system activity) since the last display callback was triggered. Calling glutPostRedisplay will not set this true.
GLUT_OVERLAY_DAMAGED
  True if the overlay plane of the current window has damaged (by window system activity) since the last display callback was triggered. Calling glutPostRedisplay or glutPostOverlayRedisplay will not set this true. Negative one is returned if no overlay is in use.

DESCRIPTION

glutLayerGet retrieves GLUT layer information for the current window represented by integers. The info parameter determines what type of layer information to return.

SEE ALSO

glutEstablishOverlay, glutUseOverlay, glutCreateWindow, glutSetColor

AUTHOR

Mark J. Kilgard (mjk@nvidia.com)
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GLUT GLUTLAYERGET (3GLUT) 3.7

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