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399b80c | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 | import platform
import os
import logging
from typing import Optional, Tuple
from PIL import Image
import pyautogui
logger = logging.getLogger(__name__)
platform_name = platform.system()
class ScreenshotHelper:
def __init__(self):
self.platform = platform_name
self.adapter = None
try:
if platform_name == "Darwin":
from ..platform_adapters.macos_adapter import MacOSAdapter
self.adapter = MacOSAdapter()
elif platform_name == "Linux":
from ..platform_adapters.linux_adapter import LinuxAdapter
self.adapter = LinuxAdapter()
elif platform_name == "Windows":
from ..platform_adapters.windows_adapter import WindowsAdapter
self.adapter = WindowsAdapter()
except ImportError as e:
logger.warning(f"Failed to import platform adapter: {e}")
def capture(self, output_path: str, with_cursor: bool = True) -> bool:
try:
# Ensure directory exists
os.makedirs(os.path.dirname(output_path), exist_ok=True)
if with_cursor and self.adapter:
# Use platform-specific method to capture screenshot (with cursor)
return self.adapter.capture_screenshot_with_cursor(output_path)
else:
# Use pyautogui to capture screenshot (without cursor)
screenshot = pyautogui.screenshot()
screenshot.save(output_path)
logger.info(f"Screenshot successfully (without cursor): {output_path}")
return True
except Exception as e:
logger.error(f"Screenshot failed: {e}")
return False
def capture_region(
self,
output_path: str,
x: int,
y: int,
width: int,
height: int
) -> bool:
"""
Capture specified screen region
Args:
output_path: Output path
x: Starting x coordinate
y: Starting y coordinate
width: Width
height: Height
Returns:
Whether successful
"""
try:
os.makedirs(os.path.dirname(output_path), exist_ok=True)
screenshot = pyautogui.screenshot(region=(x, y, width, height))
screenshot.save(output_path)
logger.info(f"Region screenshot successfully: {output_path}")
return True
except Exception as e:
logger.error(f"Region screenshot failed: {e}")
return False
def get_screen_size(self) -> Tuple[int, int]:
"""
Get screen size
Returns:
(width, height)
"""
try:
size = pyautogui.size()
return (size.width, size.height)
except Exception as e:
logger.error(f"Failed to get screen size: {e}")
return (1920, 1080) # Default value
def get_cursor_position(self) -> Tuple[int, int]:
"""
Get cursor position
Returns:
(x, y)
"""
try:
pos = pyautogui.position()
return (pos.x, pos.y)
except Exception as e:
logger.error(f"Failed to get cursor position: {e}")
return (0, 0)
def capture_to_base64(self, with_cursor: bool = True) -> Optional[str]:
"""
Capture screenshot and convert to base64
Args:
with_cursor: Whether to include cursor
Returns:
Base64 encoded image string
"""
import tempfile
import base64
try:
# Create temporary file
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as tmp:
tmp_path = tmp.name
# Capture screenshot
if self.capture(tmp_path, with_cursor):
# Read and encode
with open(tmp_path, 'rb') as f:
img_data = f.read()
img_base64 = base64.b64encode(img_data).decode('utf-8')
# Delete temporary file
os.remove(tmp_path)
return img_base64
else:
if os.path.exists(tmp_path):
os.remove(tmp_path)
return None
except Exception as e:
logger.error(f"Failed to convert screenshot to base64: {e}")
return None
def compare_screenshots(self, path1: str, path2: str) -> float:
"""
Compare similarity between two screenshots
Args:
path1: First image path
path2: Second image path
Returns:
Similarity (0-1), 1 means identical
"""
try:
from PIL import ImageChops
import math
import operator
from functools import reduce
img1 = Image.open(path1)
img2 = Image.open(path2)
# Ensure same size
if img1.size != img2.size:
# Resize to same size
img2 = img2.resize(img1.size)
# Calculate difference
diff = ImageChops.difference(img1, img2)
# Calculate statistics
stat = diff.histogram()
sum_of_squares = reduce(
operator.add,
map(lambda h, i: h * (i ** 2), stat, range(len(stat)))
)
# Calculate RMS
rms = math.sqrt(sum_of_squares / float(img1.size[0] * img1.size[1]))
# Normalize to 0-1, RMS max value is approximately 441 (for RGB)
similarity = 1 - (rms / 441.0)
return max(0, min(1, similarity))
except Exception as e:
logger.error(f"Failed to compare screenshots: {e}")
return 0.0
def annotate_screenshot(
self,
input_path: str,
output_path: str,
annotations: list
) -> bool:
"""
Add annotations to screenshot
Args:
input_path: Input image path
output_path: Output image path
annotations: List of annotations, each annotation is a dict:
{'type': 'rectangle'/'text', 'x': int, 'y': int,
'width': int, 'height': int, 'text': str, 'color': tuple}
Returns:
Whether successful
"""
try:
from PIL import ImageDraw, ImageFont
img = Image.open(input_path)
draw = ImageDraw.Draw(img)
for annotation in annotations:
ann_type = annotation.get('type', 'rectangle')
color = annotation.get('color', (255, 0, 0))
if ann_type == 'rectangle':
x = annotation.get('x', 0)
y = annotation.get('y', 0)
width = annotation.get('width', 100)
height = annotation.get('height', 100)
draw.rectangle(
[(x, y), (x + width, y + height)],
outline=color,
width=2
)
elif ann_type == 'text':
x = annotation.get('x', 0)
y = annotation.get('y', 0)
text = annotation.get('text', '')
try:
font = ImageFont.truetype("Arial.ttf", 20)
except:
font = ImageFont.load_default()
draw.text((x, y), text, fill=color, font=font)
img.save(output_path)
logger.info(f"Annotated screenshot successfully: {output_path}")
return True
except Exception as e:
logger.error(f"Failed to annotate screenshot: {e}")
return False |