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/* ** $VER: Twirl.ieb 1.2, IE Arexx script ** Image Engineer Batch Processing script ** Copyright © by Patrik M Nydensten ** 25/1 1997 Stockholm/Sweden ** ** Twirl image, either one or multiple times. */ options results signal on error parse arg input command input = upper(strip(input)) address 'IMAGEENGINEER' select /* Required batch script commands */ when input = 'INFO' then return get_info() when input = 'CONFIG' then return get_config(command) when input = 'PROCESS' then return process_image(command) otherwise do 'REQUEST' '"Failure in call to batch script!"' '" Quit "' return '<ERROR>' end end exit 0 /* Required "Get_info" procedure ------------------------------------ */ /* S = SECONDARY, A = ALPHA, 1 = Single file, 2 = Multiple files */ get_info: back = 'OK' return back /* Required "Get_config" procedure ---------------------------------- */ get_config: parse arg '"'command'"' Xoff=128 ; Yoff=128 ; Radius=100 ; TwirlAmount=90 if command ~= '' then parse var command Xoff Yoff Radius TwirlAmount '#'CalcType 'IE_TO_FRONT' form = 'FORM "Twirl" " OK | Cancel "', ' INTEGER,"Radius",0,4096,'Radius',SLIDER', ' INTEGER,"Angle",-1800,1800,'TwirlAmount',SLIDER', ' INTEGER,"X offset",0,4096,'Xoff',SLIDER', ' INTEGER,"Y offset",0,4096,'Yoff',SLIDER' if command = '' then do form = form||' CYCLE,"Type:","Best|Fast",0' form parse var result ok Radius TwirlAmount Xoff Yoff CalcType . if ok = 0 then return '<ERROR>' if CalcType=0 then CalcType='BEST' else CalcType = 'FAST' end else do form parse var result ok Radius TwirlAmount Xoff Yoff . if ok = 0 then return '<ERROR>' CalcType = 'none' end back = Xoff Yoff Radius TwirlAmount '#'CalcType return back /* Required "Process_image" procedure ------------------------------- */ process_image: parse arg '"'src_image'"' '"'dst_image'"' '"'options'"' parse var options Xoff Yoff Radius TwirlAmount '#'CalcType 'OPEN' '"'src_image'"' '24' if (RC ~= 0) then do 'IE_TO_FRONT' 'REQUEST' '"Failed to load image:' d2c(10)||src_image'"' '" OK "' return '<ERROR>' end else LoadImage = result 'PROJECT_INFO' LoadImage 'WIDTH' /* Get width of image */ IW = RESULT 'PROJECT_INFO' LoadImage 'HEIGHT' /* Get height of image */ IH = RESULT if Xoff >= (IW-1) then Xoff = (IW-1) if Yoff >= (IH-1) then Yoff = (IH-1) if Radius > max(IW,IH) then Radius = max(IW,IH) do while (TwirlAmount ~= 0) if TwirlAmount > 0 then do if TwirlAmount > 359 then do TA = 359 TwirlAmount = TwirlAmount - TA end else do TA = TwirlAmount TwirlAmount = TwirlAmount - TA end end else do if TwirlAmount < -359 then do TA = -359 TwirlAmount = TwirlAmount - TA end else do TA = TwirlAmount TwirlAmount = TwirlAmount - TA end end 'TWIRL' LoadImage Xoff Yoff Radius TA CalcType NewImage = result 'CLOSE' LoadImage LoadImage = NewImage end OutputImage = LoadImage if getclip('cfg_save_frmt')='' then setclip('cfg_save_frmt','ILBM CmpByteRun1') 'SAVE_DATA' OutputImage '"'dst_image'"' '"'getclip('cfg_save_frmt')'"' if (RC ~= 0) then do 'IE_TO_FRONT' 'REQUEST' '"Failed to save image:' d2c(10)||dst_image'"' '" OK "' return '<ERROR>' end 'CLOSE' OutputImage back = 'OK' return back /* Internal procedures ---------------------------------------------- */ /*******************************************************************/ /* This is where control goes when an error code is returned by IE */ /* It puts up a message saying what happened and on which line */ /*******************************************************************/ error: if RC=5 then do IE_TO_FRONT LAST_ERROR 'REQUEST "'||RESULT||'"' end else do IE_TO_FRONT LAST_ERROR 'REQUEST "Error detected!!!'||D2C(10)||'Image Engineer error message is as follows'||D2C(10)||result||D2C(10)||'Script failed on line '||SIGL||'"' 'Doh!' end return '<ERROR>'