Add Multitouch support #47
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SDL Touch Handler Extended (SDLSurface.java) - Forwards ALL finger data to native code JNI Bridge (android_multitouch.c) - Receives all touch coordinates from Java - Stores position for each finger Multitouch Painting Logic (tuxpaint.c) - Draws for EVERY finger simultaneously - Independent brush strokes per finger
WIP: consecutive multi strokes are still dotted
Add timestamp tracking to finger_end_pos[] to detect when a finger was lifted for more than 150ms. This prevents unwanted lines between separate strokes.
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this implements simultaneous multi-finger painting (multitouch support)