ganv_canvas_window_to_world

void ganv_canvas_window_to_world (GanvCanvas* canvas,
                                  double winx,
                                  double winy,
                                  double* worldx,
                                  double* worldy);

Converts window-relative coordinates into world coordinates. You can use this when you need to convert mouse coordinates into world coordinates, for example.

canvas: A canvas.
winx: Window-relative X coordinate.
winy: Window-relative Y coordinate.
worldx: X world coordinate (return value).
worldy: Y world coordinate (return value).
Returns