The function sets ZOOM and Layer according to zoom from the scrip.
Declaration
%HI_SetZoom(
REAL in _scale,
INT in _x,
INT in _y
)
Parameters
scale
Zoom out / zoom in toward the drawing ratio 1:1.
x
X co-ordinate of the required zoom centre.
y
Y co-ordinate of the required zoom centre.
Note 1
ZOOM is adjusted according to visibility of the close-up view
from Picture and the area out of Picture will not be displayed.
Setting the parameters -1, -1, the actual co-ordinates of Picture centre
will be unchanged.
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