image-binding 0.0.1

Image binding for rust
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

#![allow(non_snake_case)]
#![allow(dead_code)]

use napi_sys_ohos::{napi_env, napi_value};
use std::ffi::c_void;

#[repr(C)]
#[derive(Default)]
pub struct OhosPixelMapInfo {
    /// width
    pub width: u32,
    /// height
    pub height: u32,
    /// 每行的bytes数
    pub rowSize: u32,
    /// Pixel的格式
    pub pixelFormat: PixelFormat,
}

#[repr(C)]
#[derive(PartialEq)]
pub enum PixelFormat {
    OhosPixelMapFormatNone = 0,
    OhosPixelMapFormatRgba8888 = 3,
    OhosPixelMapFormatRgb565 = 2,
}

impl Default for PixelFormat {
    fn default() -> Self {
        Self::OhosPixelMapFormatNone
    }
}

#[repr(C)]
#[derive(PartialEq)]
pub enum PixelResult {
    OhosImageResultBadParameter = -1,
    OhosImageResultSuccess = 0,
}

extern "C" {
    pub fn OH_GetImageInfo(
        env: napi_env,
        value: napi_value,
        info: &OhosPixelMapInfo,
    ) -> PixelResult;
    pub fn OH_AccessPixels(
        env: napi_env,
        value: napi_value,
        addr_ptr: *mut *mut c_void,
    ) -> PixelResult;
    pub fn OH_UnAccessPixels(env: napi_env, value: napi_value) -> PixelResult;
}