LEADTOOLS C API provides a thumbnail browser that browses a specified directory for images supported by LEADTOOLS. For each supported image, a thumbnail image is generated. To browse a directory, call L_BrowseDir. The parameters passed to this function affect both the browse process and thumbnail characteristics. Thumbnails generated by this function are handled by the BROWSEDIRCALLBACK function, which is required.
The L_BrowseDir function uses the L_CreateThumbnailFromFile function internally for every file in the directory being browsed. The L_CreateThumbnailFromFile function can be used to manually create the thumbnail for a single specified image file.
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