Unfortunately, I don’t think there’s anything on the device to do file mixdowns. As I see it, you’ve got two options: 1) Send both files to a server and use ffmpeg or some other free tool to do the mixdowns. 2) If it’s something that must stay local to the phone, you could load the … Read more
“Natural wet paint” is a little ambiguous; the mixing of CMYK as suggested won’t work because you’re still adding colors. If you want results like in Photoshop (as Jon B checked) you need to use L*a*b* space. Formulas for converting RGB to/from Lab and a description is here. Lab space was specifically designed so that … Read more
As @Hovercraft has pointed out. Start by looking at Robot#getPixelColor. You will need to know where the mouse cursor is, while there’s no “easy” way to track the cursor, you can get it’s current location using MouseInfo#getPointerInfo UPDATED with example This is little example of the concept. This works based on the moition of the … Read more