Re: [Haskell-cafe] Line drawing algorithm

2009-07-17 Thread CK Kashyap
Thanks Neil ... > Are you doing this to learn Haskell, learn about drawing lines, or to just > get it implemented? If either of the latter two, when drawing a straight > line you shouldn't need to do floating point operations such as this: Actually, my reasons are first and third. > new

Re: [Haskell-cafe] Line drawing algorithm

2009-07-17 Thread Neil Brown
CK Kashyap wrote: Hi All, I am working on a diagraming utility in Haskell. I started with line drawing. I am doing the basic stuff using the y = mx + c formula to draw a line between (x1,y1) and (x2,y2) Hi, Are you doing this to learn Haskell, learn about drawing lines, or to just get it im

[Haskell-cafe] Line drawing algorithm

2009-07-17 Thread CK Kashyap
Hi All, I am working on a diagraming utility in Haskell. I started with line drawing. I am doing the basic stuff using the y = mx + c formula to draw a line between (x1,y1) and (x2,y2) Here's what I need to do - if dx > dy where dx = (x2 - x1) and dy = (y2 - y1) then I need to vary x between x