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/* ** $VER: Displace.ieb 1.3, IE Arexx script ** Image Engineer Batch Processing script ** Copyright © by Patrik M Nydensten ** 24/1 1997 Stockholm/Sweden ** ** Displace pixels in image with alpha. */ 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 A2' return back /* Required "Get_config" procedure ---------------------------------- */ get_config: parse arg '"'command'"' Xoff=32 ; Yoff=32 if command ~= '' then parse var command Xoff Yoff '#'CalcType '#'Hold '#'Scale 'IE_TO_FRONT' form = 'FORM "Displace" " OK | Cancel "', ' INTEGER,"X displacement",-128,127,'Xoff',SLIDER', ' INTEGER,"Y displacement",-128,127,'Yoff',SLIDER' if command = '' then do form = form||' CHECKBOX,"Hold image to make it stretch?",0', ' CHECKBOX,"Stretch alpha to fit primary image?",1', ' CYCLE,"Type:","Best|Fast",0' form parse var result ok Xoff Yoff Hold Scale CalcType if ok = 0 then return '<ERROR>' if CalcType=0 then CalcType='BEST' else CalcType = 'FAST' end else do form parse var result ok Xoff Yoff if ok = 0 then return '<ERROR>' Hold = 'none' Scale = 'none' CalcType = 'none' end back = Xoff Yoff '#'CalcType '#'Hold '#'Scale return back /* Required "Process_image" procedure ------------------------------- */ process_image: parse arg '"'src_image'"' '"'dst_image'"' '"'options'"' '"'alpha_image'"' parse var options Xoff Yoff '#'CalcType '#'Hold '#'Scale '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 'OPEN' '"'alpha_image'"' '8' if (RC ~= 0) then do 'IE_TO_FRONT' 'REQUEST' '"Failed to load alpha:' d2c(10)||alpha_image'"' '" OK "' return '<ERROR>' end else AlphaImage = result if strip(Scale) = 1 then do 'PROJECT_INFO' LoadImage 'WIDTH' IW = RESULT 'PROJECT_INFO' LoadImage 'HEIGHT' IH = RESULT 'PROJECT_INFO' AlphaImage 'WIDTH' AW = RESULT 'PROJECT_INFO' AlphaImage 'HEIGHT' AH = RESULT if (IW=AW)&(IH=AH) then leave 'SCALE' AlphaImage IW IH 'BEST' NewAlphaImage = result 'CLOSE' AlphaImage AlphaImage = NewAlphaImage end if strip(Hold) = 1 then do 'COLOUR_FILTER' AlphaImage 'INTENSITY' '128' '0' NewAlphaImage = result 'CLOSE' AlphaImage AlphaImage = NewAlphaImage end 'MARK' LoadImage 'PRIMARY' 'MARK' AlphaImage 'ALPHA' 'DISPLACE' Xoff Yoff CalcType OutputImage = result 'CLOSE' LoadImage 'CLOSE' AlphaImage 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>'