Name
glutLayerGet — retrieves GLUT state pertaining to the layers of the current window.
C Specification
int glutLayerGet
| ( | GLenum info
); |
Python Specification
glutLayerGet
| ( |
info
) →
None
|
Parameters
-
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.