h6. [[SpriteExtend]] h6(. » [[SpriteExtend SWI Calls|SWI Calls]] h6((. » JPEG_FileInfo h2. JPEG_FileInfo h5. (SWI &49981) |_<^{width:4em}. Entry | | |/4^. R0 |<^. Flags: | |<^. Bit 0: Return dimensions | |<^. Bit 1: Return SOF type | |<^. Other bits reserved, should be zero | |<^. R1 |<^. Pointer to control-character terminated filename | |_<^{width:4em}. Exit | | |/5<^. R0 |<^. Flags: | |<^. Bit 0: Image is greyscale | |<^. Bit 1: Transformed plots are not supported | |<^. Bit 2: Pixel density is only a ratio | |<^. Bits 3-6: SOF type (if requested) | |<^. R2 |<^. Width in pixels | |<^. R3 |<^. Height in pixels | |<^. R4 |<^. X pixel density | |<^. R5 |<^. Y pixel density | |<^. R6 |<^. Size of extra workspace needed to render | |<^. - |<^. Other registers preserved | h4. Use This call is used to read the attributes of a JPEG image held on a filing system. h4. See also * [[JPEG_Info]]