Python graphic module: observations, assumptions, suggestions

12052021, 10:41 AM
Post: #10




RE: Python graphic module: observations, assumptions, suggestions
I've found where the bugs are. As I guessed, it is in the Primespecific implementation: c_draw_arc and c_draw_filled_arc both calls a method FillArc, draw_arc with angles theta1*4096/M_PI, theta2*4096/M_PI and c_draw_filled_arc with theta1_deg*4096/360, theta2_deg*4096/360.
Arguments for the first FillArc should be theta1*2048/M_PI and theta2*2048/M_PI and for the second one arguments should be negated. And the angles should probably be exchanged, FillArc seems to work with some specific angle unit (4096=2*pi radians) and clockwise. 

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