image scanner - Twain detect landscape for scanning -



image scanner - Twain detect landscape for scanning -

i writing programme images twain device. problem when set mode landscape scanner gui not program, cannot observe , image rotated wrong. if understand spec right icap_orientation should homecoming if landscape or portrait or different rotation. 1 scanner seek on returns twor_rot180 whether set landscape or portrait. different scanner twor_rot90 think sending right code it. understand wrong or doing else wrong? there different way observe landscape? thanks.

i figured out getting capability icap_orientation wrong way, sending me wrong info before making changes.

image-scanner twain

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