1// MIT License
2
3// Copyright (c) 2021 Vadim Grigoruk @nesbox // grigoruk@gmail.com
4
5// Permission is hereby granted, free of charge, to any person obtaining a copy
6// of this software and associated documentation files (the "Software"), to deal
7// in the Software without restriction, including without limitation the rights
8// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9// copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11
12// The above copyright notice and this permission notice shall be included in all
13// copies or substantial portions of the Software.
14
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21// SOFTWARE.
22
23#pragma once
24
25#include <tic80_types.h>
26
27typedef struct
28{
29 u8* data;
30 s32 size;
31} png_buffer;
32
33typedef union
34{
35 struct
36 {
37 u8 r;
38 u8 g;
39 u8 b;
40 u8 a;
41 };
42
43 u8 data[4];
44
45 u32 value;
46} png_rgba;
47
48typedef struct
49{
50 s32 width;
51 s32 height;
52
53 union
54 {
55 png_rgba* pixels;
56 u32* values;
57 u8* data;
58 };
59} png_img;
60
61png_buffer png_create(s32 size);
62
63png_img png_read(png_buffer buf);
64png_buffer png_write(png_img src);
65
66png_buffer png_encode(png_buffer cover, png_buffer cart);
67png_buffer png_decode(png_buffer cover);
68