Available formats.

Values of this enumeration:

• BMP - Standard compression-less bitmap. Possible file name extensions are .bmp and .dib.
• JPEG - The most popular lossy compression image format. File name extensions are .jpg, .jpeg, .jpe or .jfif.
• PNG - The most widely used lossless compression bitmap format. File name extension is .png.
• PNM - Portable anymap. File name extensions are .pbm, .pgm, .ppm or .pnm.
• TIFF - Older format used in desktop publishing, with lossless and lossy compression. File name extension are .tif and .tiff.