ganv_canvas_world_to_window

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

Converts world coordinates into window-relative coordinates.

canvas: A canvas.
worldx: World X coordinate.
worldy: World Y coordinate.
winx: X window-relative coordinate.
winy: Y window-relative coordinate.
Returns