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simple change color depth of the input image to BitsPerPixel and save file

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    simple change color depth of the input image to BitsPerPixel and save file

    I wrote a batch file
    "C:\Program Files\IrfanView\i_view64.exe" "D:\A-IHT website\icons\tilesDB\tiles24\%1" /ini="D:" /advancedbatch
    the ini is processed
    and irfan is opened showing the result of the new color depth

    BUT how do I get it to write that image back out and close irfan in the batch file above????

    In other words I want to change the color depth of an image file and write the result automatically to another file!

    What is the secret majic??
    Last edited by farout1234; 23.12.2022, 03:29 PM.

    #2
    add:

    /convert=filename

    and possibly:
    /cmdexit
    see Help/Irfanview help/Command Line Options
    Last edited by IrfanUserGuyxyx; 23.12.2022, 05:57 PM.

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      #3
      thanks for reply

      I thought that may be it and already tried
      "C:\Program Files\IrfanView\i_view64.exe" "D:\A-IHT website\icons\tilesDB\tiles24\%1" /ini="D:" /advancedbatch /convert="D:\A-IHT website\icons\tilesDB\tiles8\%1" /cmdexit
      but the file saved was not changed???

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        #4
        this works
        "C:\Program Files\IrfanView\i_view64.exe" "D:\A-IHT website\icons\tilesDB\tiles24\%1" /ini="D:" /advancedbatch /convert="D:\A-IHT website\icons\tilesDB\tiles8\test.bmp"
        the bmp has 256 colors
        following that command with
        "C:\Program Files\IrfanView\i_view64.exe" "D:\A-IHT website\icons\tilesDB\tiles8\test.bmp" /convert="D:\A-IHT website\icons\tilesDB\tiles8\%1"
        the resulting jpg is still 16M colors
        %1 = 47174426.jpg

        Comment


          #5
          It works! Excellent work and thank you
          See my bug report
          https://irfanview-forum.de/forum/pro...bpp-conversion

          Comment

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