getscanlineproc procedure type

In unit Graph

Standard getscanline routine prototype.

Declaration

pascal

getscanlineproc = procedure(X1: SmallInt; X2: SmallInt; Y: SmallInt; 
 var data)

This routine is used for FloodFill It returns an entire screen scan line with a word for each pixel in the scanline. Also handy for GetImage.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.