File size: 4,685 Bytes
4a51346
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
#
# The Python Imaging Library
# $Id$
#
# screen grabber
#
# History:
# 2001-04-26 fl  created
# 2001-09-17 fl  use builtin driver, if present
# 2002-11-19 fl  added grabclipboard support
#
# Copyright (c) 2001-2002 by Secret Labs AB
# Copyright (c) 2001-2002 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#

import os
import shutil
import subprocess
import sys
import tempfile

from . import Image


def grab(bbox=None, include_layered_windows=False, all_screens=False, xdisplay=None):
    if xdisplay is None:
        if sys.platform == "darwin":
            fh, filepath = tempfile.mkstemp(".png")
            os.close(fh)
            args = ["screencapture"]
            if bbox:
                left, top, right, bottom = bbox
                args += ["-R", f"{left},{top},{right-left},{bottom-top}"]
            subprocess.call(args + ["-x", filepath])
            im = Image.open(filepath)
            im.load()
            os.unlink(filepath)
            if bbox:
                im_resized = im.resize((right - left, bottom - top))
                im.close()
                return im_resized
            return im
        elif sys.platform == "win32":
            offset, size, data = Image.core.grabscreen_win32(
                include_layered_windows, all_screens
            )
            im = Image.frombytes(
                "RGB",
                size,
                data,
                # RGB, 32-bit line padding, origin lower left corner
                "raw",
                "BGR",
                (size[0] * 3 + 3) & -4,
                -1,
            )
            if bbox:
                x0, y0 = offset
                left, top, right, bottom = bbox
                im = im.crop((left - x0, top - y0, right - x0, bottom - y0))
            return im
        elif shutil.which("gnome-screenshot"):
            fh, filepath = tempfile.mkstemp(".png")
            os.close(fh)
            subprocess.call(["gnome-screenshot", "-f", filepath])
            im = Image.open(filepath)
            im.load()
            os.unlink(filepath)
            if bbox:
                im_cropped = im.crop(bbox)
                im.close()
                return im_cropped
            return im
    # use xdisplay=None for default display on non-win32/macOS systems
    if not Image.core.HAVE_XCB:
        msg = "Pillow was built without XCB support"
        raise OSError(msg)
    size, data = Image.core.grabscreen_x11(xdisplay)
    im = Image.frombytes("RGB", size, data, "raw", "BGRX", size[0] * 4, 1)
    if bbox:
        im = im.crop(bbox)
    return im


def grabclipboard():
    if sys.platform == "darwin":
        fh, filepath = tempfile.mkstemp(".jpg")
        os.close(fh)
        commands = [
            'set theFile to (open for access POSIX file "'
            + filepath
            + '" with write permission)',
            "try",
            "    write (the clipboard as JPEG picture) to theFile",
            "end try",
            "close access theFile",
        ]
        script = ["osascript"]
        for command in commands:
            script += ["-e", command]
        subprocess.call(script)

        im = None
        if os.stat(filepath).st_size != 0:
            im = Image.open(filepath)
            im.load()
        os.unlink(filepath)
        return im
    elif sys.platform == "win32":
        fmt, data = Image.core.grabclipboard_win32()
        if fmt == "file":  # CF_HDROP
            import struct

            o = struct.unpack_from("I", data)[0]
            if data[16] != 0:
                files = data[o:].decode("utf-16le").split("\0")
            else:
                files = data[o:].decode("mbcs").split("\0")
            return files[: files.index("")]
        if isinstance(data, bytes):
            import io

            data = io.BytesIO(data)
            if fmt == "png":
                from . import PngImagePlugin

                return PngImagePlugin.PngImageFile(data)
            elif fmt == "DIB":
                from . import BmpImagePlugin

                return BmpImagePlugin.DibImageFile(data)
        return None
    else:
        if shutil.which("wl-paste"):
            args = ["wl-paste"]
        elif shutil.which("xclip"):
            args = ["xclip", "-selection", "clipboard", "-t", "image/png", "-o"]
        else:
            msg = "wl-paste or xclip is required for ImageGrab.grabclipboard() on Linux"
            raise NotImplementedError(msg)
        fh, filepath = tempfile.mkstemp()
        subprocess.call(args, stdout=fh)
        os.close(fh)
        im = Image.open(filepath)
        im.load()
        os.unlink(filepath)
        return im