L_ValidatePlaybackLines

Summary

Validates lines of a bitmap that was added during a FILEREADCALLBACK function using the L_AppendPlayback function.

Syntax

#include "l_bitmap.h"

L_LTDIS_API L_INT L_ValidatePlaybackLines(hPlayback, nRow, nLines)

Parameters

HPLAYBACK hPlayback

Handle that references the animation playback.

L_INT nRow

Row number of the first line in the bitmap to validate. In the FILEREADCALLBACK function, this corresponds to the first line in the buffer.

L_INT nLines

Number of lines to validate. In the FILEREADCALLBACK function, this corresponds to the number of lines in the buffer.

Returns

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

Comments

The L_AppendPlayback function enables you to update a bitmap list in a FILEREADCALLBACK function, so that you can play an animation file as it is being loaded. The L_ValidatePlaybackLines function lets you validate the lines that the animation playback engine will render to the target bitmap.

Required DLLs and Libraries

Platforms

Win32, x64, Linux.

See Also

Functions

Topics

Example

For an example, refer to L_AppendPlayback.
For a complete sample code, refer to the FRAME.C module of the DEMO example.

Help Version 22.0.2023.7.11
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Raster Imaging C API Help
Introduction
Version History
Getting Started
Files To Be Included With Your Application
Document Writers – Files To Be Included With Your Application
LEADTOOLS Raster Imaging Features
Quick Reference
Tutorials
Function References
Callback Functions
Summary of Features
Appendix

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.