StarRailCopilot/module/device/screenshot.py
2020-03-29 01:41:34 +08:00

91 lines
2.7 KiB
Python

import os
import time
from io import BytesIO
from PIL import Image
from retrying import retry
from module.device.connection import Connection
class Screenshot(Connection):
_screenshot_method = 0
_screenshot_method_fixed = False
_adb = False
_last_save_time = {}
image: Image.Image
def _screenshot_uiautomator2(self):
image = self.device.screenshot()
return image.convert('RGB')
def _load_screenshot(self, screenshot):
if self._screenshot_method == 0:
return Image.open(BytesIO(screenshot)).convert('RGB')
elif self._screenshot_method == 1:
return Image.open(BytesIO(screenshot.replace(b'\r\n', b'\n'))).convert('RGB')
elif self._screenshot_method == 2:
return Image.open(BytesIO(screenshot.replace(b'\r\r\n', b'\n'))).convert('RGB')
def _process_screenshot(self, screenshot):
if self._screenshot_method_fixed:
return self._load_screenshot(screenshot)
else:
for _ in range(3):
try:
screenshot = self._load_screenshot(screenshot)
except OSError:
self._screenshot_method += 1
else:
self._screenshot_method_fixed = True
break
return screenshot
def _screenshot_adb(self):
screenshot = self.adb_shell(['screencap', '-p'], serial=self.serial)
return self._process_screenshot(screenshot)
@retry()
# @timer
def screenshot(self):
"""
Returns:
PIL.Image.Image:
"""
adb = self.config.USE_ADB_SREENSHOT
self._adb = adb
if adb:
self.image = self._screenshot_adb()
else:
self.image = self._screenshot_uiautomator2()
self.image.load()
return self.image
def save_screenshot(self, genre='items'):
"""Save a screenshot. Use millisecond timestamp as file name.
Args:
genre (str, optional): Screenshot type.
Returns:
bool: True if save succeed.
"""
now = time.time()
if now - self._last_save_time.get(genre, 0) > self.config.SCREEN_SHOT_SAVE_INTERVAL:
fmt = 'png' if self._adb else 'png'
file = '%s.%s' % (int(now * 1000), fmt)
folder = os.path.join(self.config.SCREEN_SHOT_SAVE_FOLDER, genre)
if not os.path.exists(folder):
os.mkdir(folder)
file = os.path.join(folder, file)
self.image.save(file)
self._last_save_time[genre] = now
return True
else:
self._last_save_time[genre] = now
return False