gxci 0.2.1

A safe raw-and-HAL camera interface based on Daheng-Image's GxIAPI(Galaxy Camera SDK)
Documentation 
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#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
use crate::raw::{
    gx_interface::*,
    gx_handle::GX_DEV_HANDLE,
    gx_enum::*,
    gx_struct::*,
};

use std::ffi::{c_int,c_void};


pub struct GXFrameDataFacade {
    pub nStatus: c_int,
    pub pImgBuf: *mut c_void,   // Pointer to the image buffer
    pub nWidth: i32,             // Image width, adjusted to i32 to match C definition
    pub nHeight: i32,            // Image height, adjusted to i32 to match C definition
    pub nPixelFormat: i32,      // Pixel format, adjusted to i32 to match C definition
    pub nImgSize: i32,          // Size of the image buffer, adjusted to i32 to match C definition
    pub nFrameID: u64,          // Frame ID
    pub nTimestamp: u64,         // Timestamp of the frame
    pub reserved: [i32; 1],     // Reserved, array of 1 i32 to match C definition
}

pub fn convert_to_frame_data(facade: &GXFrameDataFacade) -> GX_FRAME_DATA {
    GX_FRAME_DATA {
        nStatus: facade.nStatus,
        pImgBuf: facade.pImgBuf,
        nWidth: facade.nWidth,
        nHeight: facade.nHeight,
        nPixelFormat: facade.nPixelFormat,
        nImgSize: facade.nImgSize,
        nFrameID: facade.nFrameID,
        nTimestamp: facade.nTimestamp,
        reserved: facade.reserved,
    }
}

pub fn fetch_frame_data(gx: &GXInstance, device_handle: GX_DEV_HANDLE) ->Result<(GXFrameDataFacade,Vec<u8>)> {

    let mut width_value: i64 = 0;
    let mut height_value: i64 = 0;
    let mut pixel_format: i64 = 1;
    let mut payload_size: i64 = 1;
    let mut pixel_size: i64 = 1;
    
    gx.gx_get_int(device_handle, GX_FEATURE_ID::GX_INT_WIDTH, &mut width_value)?;
    gx.gx_get_int(device_handle, GX_FEATURE_ID::GX_INT_HEIGHT, &mut height_value)?;
    gx.gx_get_enum(device_handle, GX_FEATURE_ID::GX_ENUM_PIXEL_SIZE, &mut pixel_size)?;
    gx.gx_get_enum(device_handle, GX_FEATURE_ID::GX_ENUM_PIXEL_FORMAT, &mut pixel_format)?;
    gx.gx_get_int(device_handle, GX_FEATURE_ID::GX_INT_PAYLOAD_SIZE, &mut payload_size)?;

    let image_size = (width_value * height_value * pixel_size) as usize;
    let mut image_buffer = vec![1u8; image_size]; // 分配图像缓冲区
    let p_img_buf = image_buffer.as_mut_ptr();

    Ok((GXFrameDataFacade {
        nStatus: 0,
        pImgBuf: p_img_buf as *mut c_void,
        nWidth: width_value as i32,
        nHeight: height_value as i32,
        nPixelFormat: pixel_format as i32,
        nImgSize: image_size as i32,
        nFrameID: 0,
        nTimestamp: 0,
        reserved: [pixel_format as i32],
    },
    image_buffer))
}