ganv_canvas_c2w

void ganv_canvas_c2w (GanvCanvas* canvas,
                      int cx,
                      int cy,
                      double* wx,
                      double* wy);

Converts canvas pixel coordinates to world coordinates.

canvas: A canvas.
cx: Canvas pixel X coordinate.
cy: Canvas pixel Y coordinate.
wx: X world coordinate (return value).
wy: Y world coordinate (return value).
Returns