Unit 'agraphics'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#amunits]

CalcIVG

Calculate the number of blank lines above a ViewPort

Declaration

Source position: agraphics.pas line 2280

function CalcIVG(

v: pView;

vp: pViewPort

):Word;

Function result

the number of ViewPort resolution scan lines needed to execute all the copper instructions for ViewPort, or 0 if any error

Description

To calculate the maximum number of blank lines above a viewport needed to load all the copper instructions, after accounting for the viewport bandwidth and size.

Errors

This function is unimplemented.