Bridgetek FT801 - Restore_Context

FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
129
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4.33 RESTORE_CONTEXT
Restore the current graphics context from the context stack
Encoding
31 24
23 0
0x23
Reserved
Parameters
None
Description
Restores the current graphics context, as described in section 4.1. Four (4) levels of
SAVE and RESTORE are available in the FT800. Any extra RESTORE_CONTEXT will
load the default values into the present context.
Examples
Saving and restoring context means that the second 'G' is drawn in red, instead of
blue:
dl( BEGIN(BITMAPS) );
dl( COLOR_RGB( 255, 0, 0 ) );
dl( SAVE_CONTEXT() );
dl( COLOR_RGB( 50, 100, 255 ) );
dl( VERTEX2II(80, 38, 31, 0x47) );
dl( RESTORE_CONTEXT() );
dl( VERTEX2II(110, 38, 31, 0x47) );
Graphics context
None
See also
SAVE_CONTEXT