I have a few console graphics applications that I originally wrote in Turbo Pascal that I have been able to convert over to Free Pascal and now have windows versions of these programs. I notice that unless I run my program on a 3.5GHz machine or faster, the graphics are fairly slow. By slow, I mean noticeably slower than they were on a Pentium 233 DOS machine with Turbo Pascal. The intended computers for these programs are simple inexpensive PCs with motherboard video, no dedicated video cards, I think it should be possible for any modern computer to severely out perform a Pentium 233 with a VGA card in it, so I'm not sure what the issue is. I am just using the graph unit for windows, and I wonder if there is a more efficient method of creating a full screen graphics only application than to use the graph unit? I am only looking for it to work under windows and the main issue I would like to solve is the speed of drawing things on the screen like lines and arcs. It would be nice if I am also able to get away from BGI fonts and use True Type fonts instead. I don't need 3D rendering or anything so complicated, just to draw lines and arcs and maybe ellipses as well as various text, and flood fill closed shapes with some solid color.
Any Suggestions?
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