The stamp size has been restricted to 160x120x24. (Grayscale is not supported.) For more information, refer to Compression Using LEAD and JPEG Formats.Īn Exif JPG file can also contain a stamp (thumbnail) image, which is a small copy of the main image. You can read and write 24 bits per pixel. This is the JPEG format with YUV 4:2:2 sampling. This requires a Document Imaging or Medical Imaging toolkit. Note, however, that the ability to save a region inside a TIFF file must be unlocked. Whenever you save an image containing a region as a TIFF file format, the region is also saved. This is a tag-based file format designed to promote universal interchanges of digital image data. LEADTOOLS reads and writes the following Exif formats: For more information about comments, refer to RasterCommentMetadataType Enumeration. Before writing a file, you can use the Comments property to set an array of comments to be saved in the file. You can use ReadComment to read comments in an existing file. In addition, these files can contain many comment fields of various types. The standard set by the Japan Electronic Industry Development Association, and formally it is called the Digital Still Camera Image File Format Standard.Įxif files contain either uncompressed TIFF images or compressed JPEG images. Exif is a standard for image files created with digital cameras and other input devices.
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