Changes from Version 6.2 to Version 7.0

Version 7.0 of the LEADTOOLS API has changed from version 6.2 as follows:

$image\sqrblit.gif$ You can now read and write progressive JPEG and LEAD CMP files.

$image\sqrblit.gif$ You can now read, write, and play back animated GIF files.

$image\sqrblit.gif$ You can now read and play back AVI files, and use them to create animated GIF files.

$image\sqrblit.gif$ Other features of GIF files are now supported, including interlaced files, the full range of color resolutions, and the use of transparent colors.

$image\sqrblit.gif$ When reading and writing TIFF files, you can now use the full range of palette indexes (1-8 bits per pixel).

$image\sqrblit.gif$ To support the new formats, you can now use the full range of palette indexes for bitmaps (1-8 bits per pixel).

$image\sqrblit.gif$ You can now read and write Kodak FlashPix files.

$image\sqrblit.gif$ You can now get and update information in a 16- or 32-bit file's alpha channel. This enables you to save a bitmap region in a file.

$image\sqrblit.gif$ The BITMAPHANDLE, FILEINFO, and EXTFILEOPTION structures have been modified to support the new load, save, and animation capabilities.

$image\sqrblit.gif$ Callback functions now provide more information to support progressive and interlaced formats.

$image\sqrblit.gif$ Compression and decompression of CCITT Group 3 and Group 4, and LEAD 1-bit files is faster in Express editions.

$image\sqrblit.gif$ [Express editions only] Display using the scale-to-gray and favor-black options is faster.

$image\sqrblit.gif$ The online help now includes more detailed information and provides short, clear code examples for all functions.

The following is a summary of new functions:

For Annotations

L_AnnGetToolBarButtonVisible

L_AnnSetToolBarButtonVisible