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121 lines
3.5 KiB
Python
121 lines
3.5 KiB
Python
5 years ago
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#
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# The Python Imaging Library
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# $Id$
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#
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# screen grabber
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#
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# History:
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# 2001-04-26 fl created
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# 2001-09-17 fl use builtin driver, if present
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# 2002-11-19 fl added grabclipboard support
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#
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# Copyright (c) 2001-2002 by Secret Labs AB
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# Copyright (c) 2001-2002 by Fredrik Lundh
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#
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# See the README file for information on usage and redistribution.
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#
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import sys
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from . import Image
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if sys.platform == "darwin":
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import os
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import tempfile
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import subprocess
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def grab(bbox=None, include_layered_windows=False, all_screens=False, xdisplay=None):
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if xdisplay is None:
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if sys.platform == "darwin":
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fh, filepath = tempfile.mkstemp(".png")
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os.close(fh)
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subprocess.call(["screencapture", "-x", filepath])
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im = Image.open(filepath)
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im.load()
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os.unlink(filepath)
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if bbox:
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im_cropped = im.crop(bbox)
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im.close()
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return im_cropped
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return im
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elif sys.platform == "win32":
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offset, size, data = Image.core.grabscreen_win32(
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include_layered_windows, all_screens
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)
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im = Image.frombytes(
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"RGB",
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size,
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data,
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# RGB, 32-bit line padding, origin lower left corner
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"raw",
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"BGR",
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(size[0] * 3 + 3) & -4,
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-1,
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)
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if bbox:
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x0, y0 = offset
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left, top, right, bottom = bbox
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im = im.crop((left - x0, top - y0, right - x0, bottom - y0))
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return im
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# use xdisplay=None for default display on non-win32/macOS systems
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if not Image.core.HAVE_XCB:
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raise OSError("Pillow was built without XCB support")
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size, data = Image.core.grabscreen_x11(xdisplay)
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im = Image.frombytes("RGB", size, data, "raw", "BGRX", size[0] * 4, 1)
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if bbox:
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im = im.crop(bbox)
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return im
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def grabclipboard():
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if sys.platform == "darwin":
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fh, filepath = tempfile.mkstemp(".jpg")
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os.close(fh)
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commands = [
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'set theFile to (open for access POSIX file "'
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+ filepath
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+ '" with write permission)',
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"try",
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" write (the clipboard as JPEG picture) to theFile",
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"end try",
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"close access theFile",
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]
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script = ["osascript"]
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for command in commands:
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script += ["-e", command]
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subprocess.call(script)
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im = None
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if os.stat(filepath).st_size != 0:
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im = Image.open(filepath)
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im.load()
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os.unlink(filepath)
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return im
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elif sys.platform == "win32":
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fmt, data = Image.core.grabclipboard_win32()
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if fmt == "file": # CF_HDROP
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import struct
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o = struct.unpack_from("I", data)[0]
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if data[16] != 0:
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files = data[o:].decode("utf-16le").split("\0")
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else:
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files = data[o:].decode("mbcs").split("\0")
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return files[: files.index("")]
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if isinstance(data, bytes):
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import io
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data = io.BytesIO(data)
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if fmt == "png":
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from . import PngImagePlugin
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return PngImagePlugin.PngImageFile(data)
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elif fmt == "DIB":
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from . import BmpImagePlugin
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return BmpImagePlugin.DibImageFile(data)
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return None
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else:
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raise NotImplementedError("ImageGrab.grabclipboard() is macOS and Windows only")
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