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autoindex2i.lha
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GfxCON_scale.rex
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OS/2 REXX Batch file
|
2000-04-12
|
2KB
|
76 lines
/************************************/
/* GfxCON */
/* by Matthias Finger */
/* Scale a given image by any size. */
/************************************/
test=0 /* Just to test the script from a shell (test=1) for use with autoindex: test=0 */
/* Only make changes here in the next 4 lines */
GFXCON="dh1:utils/GfxCon_68020 " /* Path for GfxCON (SPACE reqiered) */
FORM="GIF" /* Format for destination pictiure */
/* FORM="JPEG" */
QUALITY=85 /* Quality for jpeg destination */
VERBOSE=0 /* Verbose: 1=OFF, 0=ON */
OTHER="" /* Other options for GfxCON */
/* ------- You should know what you do, if you change anything below -------- */
Options results
signal on error /* Setup a place for errors to go */
if arg()==0 then exit
PARSE ARG source dest sizex sizey .
IF(test==1) THEN DO
say GFXCON
say FORM
say QUALITY
say OTHER
say VERBOSE
say source
say dest
say sizex
say sizey
END
ELSE DO
/* strip off the " character at the begin and end of the strings */
source= LEFT(source, LENGTH(source)-1)
source=RIGHT(source, LENGTH(source)-1)
dest = left(dest,length(dest)-1)
dest = right(dest,length(dest)-1)
END
IF ~EXISTS(dest) THEN DO
call pragma("STACK",22000)
comm = GFXCON||source
IF(VERBOSE==1) THEN
comm = comm||' >NIL:'
comm = comm||' TO '||dest||' FORMAT 'FORM
IF (UPPER(FORM)=="JPEG") THEN DO
comm = comm||' QUALITY 'QUALITY||' '
END
comm = comm||' '||OTHER||' BOXFIT '||sizex||' '||sizey
IF (test==1) THEN
say "comm3: "comm
ADDRESS COMMAND comm
END
EXIT
/*******************************************************************/
/* 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 /* Did the user just cancel us? */
LAST_ERROR
'REQUEST "'||RESULT||'"'
exit
end
else do
LAST_ERROR
'REQUEST "Error detected!!!'||D2C(10)||'GfxCON error message is as follows'||D2C(10)||result||D2C(10)||'Script failed on line '||SIGL||'"' 'Doh!'
exit
end