New answers tagged anti-aliasing
You stated that you have to export the image as .BMP, which doesn't accept transparency. As such, anything you export that has a transparency will have a color background added. Therefore, your best alternatives would be to either: Deactivate anti-alias for the shapes (but in this case the rounded corner will not look so smooth) add a background that ...
It turns out, at least for this particular pic, that the issue was the pen tool. I was using more than one tool to do some fairly intricate selections, but they began with 'pen tool>make selection'. There is an option that pops up during that process where both anti alias and feather options are, that I completely missed. Anti alias was checked. So far, ...
If you are using the any of the Selection tools, all you need to do is set Feather to 0px and un-check Anti-alias: If you have a selection with a feather already applied to it (for example, if you use the 'Make Selection...' command on a path there seems to be a minimum feather) you can use Refine Edge (Select → Refine Edge...). Setting the Contrast to ...
Create a document 800px X 600px and set resolution to 10 px/in You can still see anti aliasing on hard brush stroke. Undo that Now change Image Mode to Index Colour Select Palette to Uniform Now painted with hard brush with no effect of anti aliasing or semi transparent pixels.
Top 50 recent answers are included