1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
#![allow(non_snake_case)]
#[allow(non_camel_case_types)]
mod ffi;
pub use ffi::*;
pub fn WebPMuxNew() -> *mut WebPMux {
unsafe { WebPNewInternal(WEBP_MUX_ABI_VERSION) }
}
pub unsafe fn WebPInitDecoderConfig(config: *mut WebPDecoderConfig) -> bool {
WebPInitDecoderConfigInternal(config, WEBP_DECODER_ABI_VERSION) != 0
}
impl WebPDecoderConfig {
pub fn new() -> Result<Self, ()> {
unsafe {
let mut out = std::mem::MaybeUninit::uninit();
if WebPInitDecoderConfig(out.as_mut_ptr()) {
Ok(out.assume_init())
} else {
Err(())
}
}
}
}
pub unsafe fn WebPGetFeatures(
arg1: *const u8,
arg2: usize,
arg3: *mut WebPBitstreamFeatures,
) -> VP8StatusCode {
WebPGetFeaturesInternal(arg1, arg2, arg3, WEBP_DECODER_ABI_VERSION)
}
pub fn WebPDataInit(data: &mut WebPData) {
*data = WebPData {
bytes: std::ptr::null_mut(),
size: 0,
}
}
impl Default for WebPData {
fn default() -> Self {
Self {
bytes: std::ptr::null(),
size: 0,
}
}
}
pub unsafe fn WebPDataClear(data: &mut WebPData) {
WebPFree(data.bytes as *mut _);
WebPDataInit(data);
}
impl std::fmt::Debug for WebPDecBuffer__bindgen_ty_1 {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.write_str("WebDecBuffer")
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::io::prelude::*;
use std::fs::File;
use std::slice;
#[test]
fn test_webp() {
let mut width = 0;
let mut height = 0;
let mut buf = Vec::new();
let len = File::open("./tests/test1.webp").unwrap().read_to_end(&mut buf).unwrap();
unsafe { WebPGetInfo(buf.as_ptr(), len, &mut width, &mut height); }
assert!(width == 1000);
assert!(height == 1000);
}
#[test]
fn test_webp_encode_lossless() {
let mut buf = Vec::new();
let len = File::open("./tests/test1_1000x1000.bif").unwrap().read_to_end(&mut buf).unwrap();
let mut out_buf = Box::into_raw(Box::new(0u8)) as *mut _;
unsafe {
let l = WebPEncodeLosslessRGBA(buf.as_ptr(), 1000, 1000, 1000 * 4, &mut out_buf as *mut _);
let mut file = File::create("./tests/test1.webp").unwrap();
let out = slice::from_raw_parts(out_buf, l);
file.write_all(out).unwrap();
}
assert!(4000000 == len);
}
#[test]
fn test_webp_encode() {
let mut buf = Vec::new();
let len = File::open("./tests/test1_1000x1000.bif").unwrap().read_to_end(&mut buf).unwrap();
let mut out_buf = Box::into_raw(Box::new(0u8)) as *mut _;
unsafe {
let l = WebPEncodeRGBA(buf.as_ptr(), 1000, 1000, 1000 * 4, 90 as f32, &mut out_buf as *mut _);
let mut file = File::create("./tests/test1_q90.webp").unwrap();
let out = slice::from_raw_parts(out_buf, l);
file.write_all(out).unwrap();
}
assert!(4000000 == len);
}
#[test]
fn test_webp_decode() {
let mut buf = Vec::new();
let len = File::open("./tests/test1.webp").unwrap().read_to_end(&mut buf).unwrap();
let mut width = 0;
let mut height = 0;
unsafe {
WebPGetInfo(buf.as_ptr(), len, &mut width, &mut height);
assert!(width == 1000);
assert!(height == 1000);
let decode_buf = WebPDecodeRGBA(buf.as_ptr(), len, &mut width, &mut height);
let mut out_buf = Box::into_raw(Box::new(0u8)) as *mut _;
let l = WebPEncodeRGBA(decode_buf, width, height, width * 4, 90 as f32, &mut out_buf as *mut _);
let mut file = File::create("./tests/test1_q90.webp").unwrap();
let out = slice::from_raw_parts(out_buf, l);
file.write_all(out).unwrap();
}
}
#[test]
fn test_is_webp() {
let mut buf = Vec::new();
let len = File::open("./tests/test1.webp").unwrap().read_to_end(&mut buf).unwrap();
if ['R' as u8, 'I' as u8, 'F' as u8, 'F' as u8] == buf[0..4]
&& ['W' as u8, 'E' as u8, 'B' as u8, 'P' as u8] == buf[8..12] {
assert!(true)
} else {
assert!(false)
}
}
#[test]
fn config_debug() {
let _ = format!("{:?}", WebPDecoderConfig::new().unwrap());
}
#[test]
fn poke() {
unsafe {
assert_eq!(65792, WebPGetEncoderVersion());
let mut data = ::std::ptr::null_mut();
let rgb = [1u8, 2, 3];
let size = WebPEncodeRGB(rgb.as_ptr(), 1, 1, 1, 50., &mut data);
assert!(size > 0);
assert!(!data.is_null());
let mut w = 0;
let mut h = 0;
let decoded = WebPDecodeRGBA(data, size, &mut w, &mut h);
assert_eq!(1, w);
assert_eq!(1, h);
assert!(!decoded.is_null());
WebPFree(data as *mut _);
WebPFree(decoded as *mut _);
}
}
}