SynthMaker

Help needed with bitmap module

Archive · 2004 1 old post

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

bManic ·

I'm trying to figure out how to do my own bitmaps for knobs and sliders but I can't really figure out how to use the alpha channel. What is the prefered colour for the background of the bitmap that becomes transparent? How do I tell the alpha channel which color to mask completely?

Any ideas on how to do proper 3d knobs with reflections etc. ? Most other software make the knobs with multiple 'pictures' of the knob to get some depth and lighting in them but as Synthmaker can do the rotating by itself I need basically just 1 bmp for the knob itself but how do I do variations of it? Could it be possible to kind of crossfade between two or more bitmaps? Or maybe make a semi transparent bitmap on top of the main bitmap and make it's colours be the 'reflection' and rotate it opposite to the main bitmap which would simulate some reflections or lighting.. any ideas?

Cheers! bManic

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