L_TwainSetImageBitsPerPixel

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainSetImageBitsPerPixel(hSession, nBitsPerPixel)

Sets the bits per pixel to be used when transferring images from the current TWAIN source.

Parameters

HTWAINSESSION hSession

Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.

L_INT nBitsPerPixel

Number of bits per pixel to set. For more information on possible values, refer to the TWAIN specification.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

This function internally sets the bits per pixel capability ICAP_BITDEPTH. For more information on this capability, refer to the TWAIN specification.

To obtain the current bits per pixel value, call the L_TwainGetImageBitsPerPixel function

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

Required DLLs and Libraries

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