L_TwainSetImageBitsPerPixel

Summary

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

Syntax

L_LTTWN_API L_INT L_TwainSetImageBitsPerPixel(hSession, nBitsPerPixel)

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

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

• LTTWN
• For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files to be Included with your Application.

See Also

Functions

• L_TwainSetTransferOptions
• L_TwainGetTransferOptions
• L_TwainGetSupportedTransferMode
• L_TwainSetResolution
• L_TwainGetResolution
• L_TwainSetImageFrame
• L_TwainGetImageFrame
• L_TwainSetImageUnit
• L_TwainGetImageUnit
• L_TwainGetImageBitsPerPixel
• L_TwainSetImageEffects
• L_TwainGetImageEffects
• L_TwainSetAcquirePageOptions
• L_TwainGetAcquirePageOptions
• L_TwainSetRGBResponse
• L_TwainShowProgress
• L_TwainEnableDuplex
• L_TwainGetDuplexOptions
• L_TwainSetMaxXferCount
• L_TwainGetMaxXferCount

Topics

• Getting and Setting Capabilities
• TWAIN Functionality: Capability Functions

Example

For an example, refer to L_TwainSetImageUnit.