1 | pub const QOI_OP_INDEX: u8 = 0x00; // 00xxxxxx |
2 | pub const QOI_OP_DIFF: u8 = 0x40; // 01xxxxxx |
3 | pub const QOI_OP_LUMA: u8 = 0x80; // 10xxxxxx |
4 | pub const QOI_OP_RUN: u8 = 0xc0; // 11xxxxxx |
5 | pub const QOI_OP_RGB: u8 = 0xfe; // 11111110 |
6 | pub const QOI_OP_RGBA: u8 = 0xff; // 11111111 |
7 | |
8 | pub const QOI_MASK_2: u8 = 0xc0; // (11)000000 |
9 | |
10 | pub const QOI_HEADER_SIZE: usize = 14; |
11 | |
12 | pub const QOI_PADDING: [u8; 8] = [0, 0, 0, 0, 0, 0, 0, 0x01]; // 7 zeros and one 0x01 marker |
13 | pub const QOI_PADDING_SIZE: usize = 8; |
14 | |
15 | pub const QOI_MAGIC: u32 = u32::from_be_bytes(*b"qoif" ); |
16 | |
17 | pub const QOI_PIXELS_MAX: usize = 400_000_000; |
18 | |