In This Topic ▼

Changes from Version 19 to Version 20

Version 20 of this C API has changed from version 19 as follows:

New Data Types:

COMPAREOPTIONS

FILEPSTOPTIONS

FILTERTIMEOUTOPTIONS

L_HTMLENGINE

L_ImgKrnCreateImageOptions

L_ImgKrnImage

L_ImgKrnImageFormat

L_ImgKrnPerspectiveCorrectionData

L_ImgKrnRotateFlipType

SAUVOLABINARIZE

New Functionality:

L_CompareBitmap

L_DrawAddUserFontFromFile

L_DrawAddUserFontFromMemory

L_DrawClearUserFonts

L_GetFilterHeartbeatCallback

L_GetFilterTimeout

L_GetPSTOptions

L_ImgKrnCopyImage

L_ImgKrnCreateImage

L_ImgKrnCropImage

L_ImgKrnDetectBusinessCard

L_ImgKrnDetectDocument

L_ImgKrnDetectGlare

L_ImgKrnFromYUV

L_ImgKrnInvertImage

L_ImgKrnManualPerspectiveCorrection

L_ImgKrnRotateFlipImage

L_ImgKrnSignalToNoiseRatio

L_IsPdfFormat

L_SauvolaBinarize

L_SetFilterHeartbeatCallback

L_SetFilterTimeout

L_SetlocaleW

L_SetPSTOptions

Changed Data Types:

DOCWRTALTOXMLOPTIONS - Takes 2 new members.

FILEHTMLLOADOPTIONS - Takes 2 new members.

L_LEADResourceDirectory - Takes one new member.

Structures

New Defines

FILEINFO_PALETTE8_ALPHA [0x00800000]: This file contains 8-bit color palette image data + alpha.
FILEINFO_GRAY8_ALPHA [0x00400000]: This file contains 8-bit grayscale image data + alpha.

For more information, refer to:

What's New in Version 20

Help Version 20.0.2020.4.3
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2020 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