'''
Description: 
Author: zxy
Date: 2023-07-14 09:48:00
LastEditors: zxy
LastEditTime: 2024-01-02 11:36:57
'''
import pcammls
from pcammls import * 
import cv2
import numpy
import sys
import os

class PythonPercipioDeviceEvent(pcammls.DeviceEvent):
    Offline = False

    def __init__(self):
        pcammls.DeviceEvent.__init__(self)

    def run(self, handle, eventID):
        if eventID==TY_EVENT_DEVICE_OFFLINE:
          print('=== Event Callback: Device Offline!')
          self.Offline = True
        return 0

    def IsOffline(self):
        return self.Offline

def main():
    cl = PercipioSDK()

    dev_list = cl.ListDevice()
    for idx in range(len(dev_list)):
      dev = dev_list[idx]
      print ('{} -- {} \t {}'.format(idx,dev.id,dev.iface.id))
    if  len(dev_list)==0:
      print ('no device')
      return
    if len(dev_list) == 1:
        selected_idx = 0 
    else:
        selected_idx  = int(input('select a device:'))
    if selected_idx < 0 or selected_idx >= len(dev_list):
        return

    sn = dev_list[selected_idx].id
    
    handle = cl.Open(sn)
    if not cl.isValidHandle(handle):
      err = cl.TYGetLastErrorCodedescription()
      print('no device found : ', end='')
      print(err)
      return
      
    event = PythonPercipioDeviceEvent()
    cl.DeviceRegiststerCallBackEvent(event)

    color_fmt_list = cl.DeviceStreamFormatDump(handle, PERCIPIO_STREAM_COLOR)
    if len(color_fmt_list) == 0:
      print ('device has no color stream.')
      return

    print ('color image format list:')
    for idx in range(len(color_fmt_list)):
        fmt = color_fmt_list[idx]
        print ('\t{} -size[{}x{}]\t-\t desc:{}'.format(idx, cl.Width(fmt), cl.Height(fmt), fmt.getDesc()))
    cl.DeviceStreamFormatConfig(handle, PERCIPIO_STREAM_COLOR, color_fmt_list[0])

    depth_fmt_list = cl.DeviceStreamFormatDump(handle, PERCIPIO_STREAM_DEPTH)
    if len(depth_fmt_list) == 0:
      print ('device has no depth stream.')
      return

    print ('depth image format list:')
    for idx in range(len(depth_fmt_list)):
        fmt = depth_fmt_list[idx]
        print ('\t{} -size[{}x{}]\t-\t desc:{}'.format(idx, cl.Width(fmt), cl.Height(fmt), fmt.getDesc()))
    cl.DeviceStreamFormatConfig(handle, PERCIPIO_STREAM_DEPTH, depth_fmt_list[0])

    err = cl.DeviceLoadDefaultParameters(handle)
    if err:
      print('Load default parameters fail: ', end='')
      print(cl.TYGetLastErrorCodedescription())
    else:
       print('Load default parameters successful')

    scale_unit = cl.DeviceReadCalibDepthScaleUnit(handle)
    print ('depth image scale unit :{}'.format(scale_unit))

    depth_calib = cl.DeviceReadCalibData(handle, PERCIPIO_STREAM_DEPTH)
    color_calib = cl.DeviceReadCalibData(handle, PERCIPIO_STREAM_COLOR)

    err = cl.DeviceStreamEnable(handle, PERCIPIO_STREAM_COLOR | PERCIPIO_STREAM_DEPTH)
    if err:
       print('device stream enable err:{}'.format(err))
       return
    
    print ('{} -- {} \t'.format(0,"Map depth to color coordinate(suggest)"))
    print ('{} -- {} \t'.format(1,"Map color to depth coordinate"))
    registration_mode = int(input('select registration mode(0 or 1):'))
    if selected_idx < 0 or selected_idx >= 2:
      registration_mode = 0

    cl.DeviceStreamOn(handle)
    img_registration_depth  = image_data()
    img_registration_render = image_data()
    img_parsed_color        = image_data()
    img_undistortion_color  = image_data()
    img_registration_color  = image_data()
    while True:
      if event.IsOffline():
        break
      image_list = cl.DeviceStreamRead(handle, 2000)
      if len(image_list) == 2:
        for i in range(len(image_list)):
          frame = image_list[i]
          if frame.streamID == PERCIPIO_STREAM_DEPTH:
            img_depth = frame
          if frame.streamID == PERCIPIO_STREAM_COLOR:
            img_color = frame
        
        if 0 == registration_mode:
          cl.DeviceStreamMapDepthImageToColorCoordinate(depth_calib, img_depth, scale_unit, color_calib, img_color.width, img_color.height, img_registration_depth)
          
          cl.DeviceStreamDepthRender(img_registration_depth, img_registration_render)
          mat_depth_render = img_registration_render.as_nparray()
          cv2.imshow('registration', mat_depth_render)

          cl.DeviceStreamImageDecode(img_color, img_parsed_color)
          cl.DeviceStreamDoUndistortion(color_calib, img_parsed_color, img_undistortion_color)
          mat_undistortion_color = img_undistortion_color.as_nparray()
          cv2.imshow('undistortion rgb', mat_undistortion_color)
        else:
          cl.DeviceStreamImageDecode(img_color, img_parsed_color)
          cl.DeviceStreamDoUndistortion(color_calib, img_parsed_color, img_undistortion_color)

          cl.DeviceStreamMapRGBImageToDepthCoordinate(depth_calib, img_depth, scale_unit, color_calib, img_undistortion_color, img_registration_color)

          cl.DeviceStreamDepthRender(img_depth, img_registration_render)
          mat_depth_render = img_registration_render.as_nparray()
          cv2.imshow('depth', mat_depth_render)

          mat_registration_color = img_registration_color.as_nparray()
          cv2.imshow('registration rgb', mat_registration_color)

        k = cv2.waitKey(10)
        if k==ord('q'): 
          break

    cl.DeviceStreamOff(handle)    
    cl.Close(handle)
    pass

if __name__=='__main__':
    main()