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.

Platforms

Win32, x64.

See Also

Functions:

Class Members

Topics:

Speeding Up 1-Bit Documents

Example

For an example, refer to LBuffer::CompressRows.

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