Class Bitstream

win/share/giftiles.c:17–40

For use when reading the GIF as a bitstream */

/* For use when reading the GIF as a bitstream */
struct Bitstream {
    /* The file */
    FILE *fp;

    /* For unpacking LZW codes */
    unsigned long bits;
    unsigned char num_bits;
    unsigned char bit_width;
    unsigned char initial_bit_width;
    unsigned char block_size;

    /* The dictionary */
    struct {
        unsigned char byte;
        unsigned short next;
    } dictionary[1 << MAX_LZW_BITS];
    unsigned short dict_size;

    /* The string currently being decoded */
    unsigned char string[1 << MAX_LZW_BITS];
    unsigned short str_size;

    unsigned short last_code;
};

struct DataBlock {
    size_t size;