package core:image/jpeg

Source

Block :: [Component][64]i16

Coefficient :: enum u8 {
	DC, 
	AC, 
}

Color_Component :: struct {
	dc_table_idx:           u8,
	ac_table_idx:           u8,
	quantization_table_idx: u8,
	v_sampling_factor:      int,
	h_sampling_factor:      int,
}

Component :: enum u8 {
	Y  = 1, 
	Cb = 2, 
	Cr = 3, 
}

Error :: image.Error

Huffman_Table :: struct {
	symbols: [176]u8,
	codes:   [176]u32,
	offsets: [17]u8,
}

Image :: image.Image

Options :: image.Options

Quantization_Table :: [64]u16be

BLOCK_SIZE :: 8

COEFFICIENT_COUNT :: BLOCK_SIZE * BLOCK_SIZE

HUFFMAN_MAX_BITS :: 16

HUFFMAN_MAX_SYMBOLS :: 176

SEGMENT_MAX_SIZE :: 65533

THUMBNAIL_PALETTE_SIZE :: 768

destroy :: proc(img: ^image.Image) {…}

load_from_bytes :: proc(
	data:      []u8, 
	options:   image.Options = Options{}, 
	allocator := context.allocator, 
) -> (img: ^image.Image, err: image.Error) {…}

load_from_context :: proc(
	ctx:       ^$C, 
	options:   image.Options = Options{}, 
	allocator := context.allocator, 
) -> (img: ^image.Image, err: image.Error) {…}

load_from_file :: proc(
	filename:  string, 
	options:   image.Options = Options{}, 
	allocator := context.allocator, 
) -> (img: ^image.Image, err: image.Error) {…}

load :: proc{
	load_from_file,
	load_from_bytes,
	load_from_context,
}