LBuffer::ExpandRows

#include "ltwrappr.h"

virtual L_INT LBuffer::ExpandRows(LBufferSrc, nWidth, nRows)

LBuffer& LBufferSrc;	/* input LBuffer object */
L_UINT nWidth;	/* number of pixels in each row */
L_UINT nRows;	/* number of rows to process */

Performs buffer-to-buffer decompression of RLE-compressed 1-bit image data. Use this function to process all or part of a single line of image data.

Parameter	Description
LBufferSrc	The input buffer containing 1-bit compressed image data.
nWidth	Number of pixels in each row
nRows	Number of rows to process.

Returns

> 0	The number of pixels processed.
< 1	An error occurred. Refer to Return Codes.

Comments

This function is useful for working with 1-bit images that are loaded in their compressed formats for faster loading and display. For more information, refer to Speeding Up 1-Bit Documents.

The parameter LBufferSrc is passed by reference, and is a required parameter.

Required DLLs and Libraries

LTDIS

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Functions:	Class Members
Topics:	Speeding Up 1-Bit Documents