I think IJL_DIB_PAD_BYTES macro have bug.

[naoki_moriuchi]

Hi, this is Naoki Moriuchi from Japan.

I think your problem is caused by IJL_DIB_PAD_BYTES macro.

Please try the following code for DIBPadBytes.

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int bitmap_width = ((jcprops.DIBWidth * 8 + 31) / 32) * 4;

jcprops.DIBPadBytes = (bitmap_width - jcprops.DIBWidth) * jcprops.DIBChannels;

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[Vladimir_Dudnik]

Hi Naoki,

in what circumstances you found IJL_DIB_PAD_BYTES macro does not work correctly?

Regards,
Vladimir