private void readLSD ( ) { // Logical screen size. header . width = readShort ( ) ; header . height = readShort ( ) ; // Packed fields int packed = read ( ) ; // 1 : global color table flag. header . gctFlag = ( packed & 0x80 ) != 0 ; // 2-4 : color resolution. // 5 : gct sort flag. // 6-8 : gct size. header . gctSize = 2 << ( packed & 7 ) ; // Background color index. header . bgIndex = read ( ) ; // Pixel aspect ratio header . pixelAspect = read ( ) ; }
Reads Logical Screen Descriptor .