query_insertT_query_insertQueryInsertQueryInsert (Operator)

Name

query_insertT_query_insertQueryInsertQueryInsert — Query the possible graphic modes.

Signature

Description

query_insertquery_insertQueryInsertQueryInsertQueryInsert returns the possible modes pixels can be displayed in the output window. New pixels may e.g. overwrite old ones. In most of the cases there is a functional relationship between old and new values.

Possible display functions:

'copy':

overwrite displayed pixels

'xor':

display old “xor” new pixels

'complement':

complement displayed pixels

“copy” is always available.

Execution Information

• Multithreading type: reentrant (runs in parallel with non-exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

Parameters

Result

query_insertquery_insertQueryInsertQueryInsertQueryInsert returns 2 (H_MSG_TRUE), if the window is valid. Otherwise an exception is raised.

Possible Successors

set_insertset_insertSetInsertSetInsertSetInsert, disp_regiondisp_regionDispRegionDispRegionDispRegion

See also

set_insertset_insertSetInsertSetInsertSetInsert, get_insertget_insertGetInsertGetInsertGetInsert

Module

Foundation