# unit graph

### Unit to handle screen graphics

author: Tomasz Biela (Tebe)

http://www.freepascal.org/docs-html/rtl/graph/index-5.html

## Interface:

name: | description:
--- | ---
Scanline | #### function Scanline(y: smallint): PByte; ScanLine give access to memory starting point for each row raw data.
Line | #### procedure Line(x1, y1, x2, y2: smallint); Draw a line between 2 points
HLine | #### procedure HLine(x1,x2,y: smallint); Draw horizontal line between 2 points
fLine | #### procedure fLine(x0, y0, x1, y1: smallint); Draw a line between 2 points