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Working on a java game that uses some pngs images for icons/textures. A few images ( fewer than 5, out of dozens ) are showing some odd parallel "artifact" lines. They move with the image, are certainly not in the PNG itself.
I can't figure out what's causing it. Using slick2d, lwjgl. I've tried slcik2d and opengl methods of clamping textures but that didn't help.
This black line is showing off the right-hand side of an icon (maybe 50% of the actual image width away). It should not be there.
i think that is because textures are loading using power of 2. and you are probably using the texture width and height to render the image onto a quad. what you should do instead is use the images relative size from withing the texture.
it should be a floating point number such as 0.67080760(or something) since 1f would be the total width and height of your image.
I only say this because i ran into the same problem when i started working with lwjgl(ive never used slick2d but its based on lwjgl) and what i suggested fixed the image irregularity.
