This format was developed by Apple for storing vector and bitmap images with metadata. It was the main format for the QuickDraw graphics software. PCT supports 32-bit and 24-bit images. At the moment, the format is obsolete and has been superseded by more functional solutions.
A format for storing vector graphics in Windows, involved in the direct output of an image in a specific context on the screen of a graphical device. It’s also used for transferring information from the clipboard. It supports a 24-bit RGB-color palette and is used to export graphics in Windows.