PRB: Image Functions Fail with Image Outside of Viewport

MORE INFORMATION

   Saving full viewport returns:           0
   Saving outside viewport returns:         -1
   Saving outside viewport GRSTATUS: $GRIMAGEREADERROR
				

Sample Code

C Compile options needed: none

      include 'fgraph.fi'
      include 'fgraph.fd'

      integer*2 i, ret(3)

      i = setvideomode($VRES16COLOR)
      call setviewport(10,10,20,20)
      ret(1) = saveimage("test.bmp",0,0,10,10)
      ret(2) = saveimage("test2.bmp",0,0,10,11)
      ret(3) = GRSTATUS()

      i = setvideomode($DEFAULTMODE)

      print *, "Saving full viewport returns:", ret(1)
      print *, "Saving outside viewport returns:", ret(2)
      if (ret(3) .eq. $GRIMAGEREADERROR)
     +    print *, "Saving outside viewport GRSTATUS: $GRIMAGEREADERROR"

      end