841 lines
18 KiB
Python
841 lines
18 KiB
Python
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# pygame - Python Game Library
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# Copyright (C) 2000-2003 Pete Shinners
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this library; if not, write to the Free
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Pete Shinners
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# pete@shinners.org
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"""Set of cursor resources available for use. These cursors come
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in a sequence of values that are needed as the arguments for
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pygame.mouse.set_cursor(). To dereference the sequence in place
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and create the cursor in one step, call like this:
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pygame.mouse.set_cursor(*pygame.cursors.arrow).
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Here is a list of available cursors:
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arrow, diamond, ball, broken_x, tri_left, tri_right
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There is also a sample string cursor named 'thickarrow_strings'.
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The compile() function can convert these string cursors into cursor byte data that can be used to
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create Cursor objects.
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Alternately, you can also create Cursor objects using surfaces or cursors constants,
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such as pygame.SYSTEM_CURSOR_ARROW.
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"""
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import pygame
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_cursor_id_table = {
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pygame.SYSTEM_CURSOR_ARROW: "SYSTEM_CURSOR_ARROW",
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pygame.SYSTEM_CURSOR_IBEAM: "SYSTEM_CURSOR_IBEAM",
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pygame.SYSTEM_CURSOR_WAIT: "SYSTEM_CURSOR_WAIT",
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pygame.SYSTEM_CURSOR_CROSSHAIR: "SYSTEM_CURSOR_CROSSHAIR",
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pygame.SYSTEM_CURSOR_WAITARROW: "SYSTEM_CURSOR_WAITARROW",
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pygame.SYSTEM_CURSOR_SIZENWSE: "SYSTEM_CURSOR_SIZENWSE",
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pygame.SYSTEM_CURSOR_SIZENESW: "SYSTEM_CURSOR_SIZENESW",
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pygame.SYSTEM_CURSOR_SIZEWE: "SYSTEM_CURSOR_SIZEWE",
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pygame.SYSTEM_CURSOR_SIZENS: "SYSTEM_CURSOR_SIZENS",
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pygame.SYSTEM_CURSOR_SIZEALL: "SYSTEM_CURSOR_SIZEALL",
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pygame.SYSTEM_CURSOR_NO: "SYSTEM_CURSOR_NO",
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pygame.SYSTEM_CURSOR_HAND: "SYSTEM_CURSOR_HAND",
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}
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class Cursor(object):
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def __init__(self, *args):
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"""Cursor(size, hotspot, xormasks, andmasks) -> Cursor
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Cursor(hotspot, Surface) -> Cursor
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Cursor(constant) -> Cursor
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Cursor(Cursor) -> copies the Cursor object passed as an argument
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Cursor() -> Cursor
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pygame object for representing cursors
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You can initialize a cursor from a system cursor or use the
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constructor on an existing Cursor object, which will copy it.
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Providing a Surface instance will render the cursor displayed
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as that Surface when used.
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These Surfaces may use other colors than black and white."""
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if len(args) == 0:
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self.type = "system"
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self.data = (pygame.SYSTEM_CURSOR_ARROW,)
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elif len(args) == 1 and args[0] in _cursor_id_table:
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self.type = "system"
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self.data = (args[0],)
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elif len(args) == 1 and isinstance(args[0], Cursor):
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self.type = args[0].type
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self.data = args[0].data
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elif (
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len(args) == 2 and len(args[0]) == 2 and isinstance(args[1], pygame.Surface)
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):
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self.type = "color"
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self.data = tuple(args)
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elif len(args) == 4 and len(args[0]) == 2 and len(args[1]) == 2:
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self.type = "bitmap"
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# pylint: disable=consider-using-generator
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# See https://github.com/pygame/pygame/pull/2509 for analysis
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self.data = tuple([tuple(arg) for arg in args])
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else:
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raise TypeError("Arguments must match a cursor specification")
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def __len__(self):
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return len(self.data)
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def __getitem__(self, index):
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return self.data[index]
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def __eq__(self, other):
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return isinstance(other, Cursor) and self.data == other.data
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def __ne__(self, other):
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return not self.__eq__(other)
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def __copy__(self):
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"""Clone the current Cursor object.
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You can do the same thing by doing Cursor(Cursor)."""
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return self.__class__(self)
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copy = __copy__
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def __hash__(self):
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return hash(tuple([self.type] + list(self.data)))
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def __repr__(self):
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if self.type == "system":
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id_string = _cursor_id_table.get(self.data[0], "constant lookup error")
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return "<Cursor(type: system, constant: " + id_string + ")>"
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if self.type == "bitmap":
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size = "size: " + str(self.data[0])
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hotspot = "hotspot: " + str(self.data[1])
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return "<Cursor(type: bitmap, " + size + ", " + hotspot + ")>"
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if self.type == "color":
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hotspot = "hotspot: " + str(self.data[0])
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surf = repr(self.data[1])
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return "<Cursor(type: color, " + hotspot + ", surf: " + surf + ")>"
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raise TypeError("Invalid Cursor")
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# Python side of the set_cursor function: C side in mouse.c
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def set_cursor(*args):
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"""set_cursor(pygame.cursors.Cursor OR args for a pygame.cursors.Cursor) -> None
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set the mouse cursor to a new cursor"""
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cursor = Cursor(*args)
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pygame.mouse._set_cursor(**{cursor.type: cursor.data})
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pygame.mouse.set_cursor = set_cursor
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del set_cursor # cleanup namespace
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# Python side of the get_cursor function: C side in mouse.c
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def get_cursor():
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"""get_cursor() -> pygame.cursors.Cursor
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get the current mouse cursor"""
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return Cursor(*pygame.mouse._get_cursor())
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pygame.mouse.get_cursor = get_cursor
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del get_cursor # cleanup namespace
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arrow = Cursor(
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(16, 16),
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(0, 0),
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(
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0x00,
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0x00,
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0x40,
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0x00,
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0x60,
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0x00,
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0x70,
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0x00,
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0x78,
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0x00,
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0x7C,
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0x00,
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0x7E,
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0x00,
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0x7F,
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0x00,
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0x7F,
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0x80,
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0x7C,
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0x00,
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0x6C,
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0x00,
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0x46,
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0x00,
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0x06,
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0x00,
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0x03,
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0x00,
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0x03,
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0x00,
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0x00,
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0x00,
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),
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(
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0x40,
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0x00,
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0xE0,
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0x00,
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0xF0,
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0x00,
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0xF8,
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0x00,
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0xFC,
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0x00,
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0xFE,
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0x00,
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0xFF,
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0x00,
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0xFF,
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0x80,
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0xFF,
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0xC0,
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0xFF,
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0x80,
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0xFE,
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0x00,
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0xEF,
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0x00,
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0x4F,
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0x00,
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0x07,
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0x80,
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0x07,
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0x80,
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0x03,
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0x00,
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),
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)
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diamond = Cursor(
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(16, 16),
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(7, 7),
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(
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0,
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0,
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1,
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0,
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3,
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128,
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7,
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192,
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14,
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224,
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28,
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112,
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56,
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56,
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112,
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28,
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56,
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56,
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28,
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112,
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14,
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224,
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7,
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192,
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3,
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128,
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1,
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0,
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0,
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0,
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0,
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0,
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),
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(
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1,
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0,
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3,
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128,
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7,
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192,
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15,
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224,
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31,
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240,
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62,
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248,
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124,
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124,
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248,
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62,
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124,
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124,
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62,
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248,
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31,
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240,
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15,
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224,
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7,
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192,
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3,
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128,
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1,
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0,
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0,
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0,
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),
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)
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ball = Cursor(
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(16, 16),
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(7, 7),
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(
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0,
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0,
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3,
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192,
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15,
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240,
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24,
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248,
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51,
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252,
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55,
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252,
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127,
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254,
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127,
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254,
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127,
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254,
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127,
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254,
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63,
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252,
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63,
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252,
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31,
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248,
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15,
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240,
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3,
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192,
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0,
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0,
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),
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(
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3,
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192,
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15,
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240,
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31,
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248,
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63,
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252,
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127,
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254,
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127,
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254,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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127,
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|
254,
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|
127,
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|
254,
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|
63,
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|
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252,
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|
|
31,
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|
|
248,
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|
|
15,
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|
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240,
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3,
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192,
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),
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)
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broken_x = Cursor(
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(16, 16),
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(7, 7),
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(
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0,
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0,
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96,
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6,
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112,
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14,
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56,
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28,
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28,
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56,
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12,
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48,
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0,
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0,
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||
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0,
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0,
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0,
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0,
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0,
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0,
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12,
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48,
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28,
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56,
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56,
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28,
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112,
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14,
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96,
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6,
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0,
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0,
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),
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(
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224,
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7,
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||
|
|
240,
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|
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15,
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||
|
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248,
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31,
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||
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124,
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62,
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62,
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||
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124,
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|
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30,
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||
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120,
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||
|
|
14,
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||
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112,
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|
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0,
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||
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0,
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||
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0,
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||
|
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0,
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||
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14,
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||
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112,
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30,
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||
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120,
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||
|
|
62,
|
||
|
|
124,
|
||
|
|
124,
|
||
|
|
62,
|
||
|
|
248,
|
||
|
|
31,
|
||
|
|
240,
|
||
|
|
15,
|
||
|
|
224,
|
||
|
|
7,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
|
||
|
|
tri_left = Cursor(
|
||
|
|
(16, 16),
|
||
|
|
(1, 1),
|
||
|
|
(
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
96,
|
||
|
|
0,
|
||
|
|
120,
|
||
|
|
0,
|
||
|
|
62,
|
||
|
|
0,
|
||
|
|
63,
|
||
|
|
128,
|
||
|
|
31,
|
||
|
|
224,
|
||
|
|
31,
|
||
|
|
248,
|
||
|
|
15,
|
||
|
|
254,
|
||
|
|
15,
|
||
|
|
254,
|
||
|
|
7,
|
||
|
|
128,
|
||
|
|
7,
|
||
|
|
128,
|
||
|
|
3,
|
||
|
|
128,
|
||
|
|
3,
|
||
|
|
128,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
),
|
||
|
|
(
|
||
|
|
224,
|
||
|
|
0,
|
||
|
|
248,
|
||
|
|
0,
|
||
|
|
254,
|
||
|
|
0,
|
||
|
|
127,
|
||
|
|
128,
|
||
|
|
127,
|
||
|
|
224,
|
||
|
|
63,
|
||
|
|
248,
|
||
|
|
63,
|
||
|
|
254,
|
||
|
|
31,
|
||
|
|
255,
|
||
|
|
31,
|
||
|
|
255,
|
||
|
|
15,
|
||
|
|
254,
|
||
|
|
15,
|
||
|
|
192,
|
||
|
|
7,
|
||
|
|
192,
|
||
|
|
7,
|
||
|
|
192,
|
||
|
|
3,
|
||
|
|
192,
|
||
|
|
3,
|
||
|
|
192,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
|
||
|
|
tri_right = Cursor(
|
||
|
|
(16, 16),
|
||
|
|
(14, 1),
|
||
|
|
(
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
6,
|
||
|
|
0,
|
||
|
|
30,
|
||
|
|
0,
|
||
|
|
124,
|
||
|
|
1,
|
||
|
|
252,
|
||
|
|
7,
|
||
|
|
248,
|
||
|
|
31,
|
||
|
|
248,
|
||
|
|
127,
|
||
|
|
240,
|
||
|
|
127,
|
||
|
|
240,
|
||
|
|
1,
|
||
|
|
224,
|
||
|
|
1,
|
||
|
|
224,
|
||
|
|
1,
|
||
|
|
192,
|
||
|
|
1,
|
||
|
|
192,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
),
|
||
|
|
(
|
||
|
|
0,
|
||
|
|
7,
|
||
|
|
0,
|
||
|
|
31,
|
||
|
|
0,
|
||
|
|
127,
|
||
|
|
1,
|
||
|
|
254,
|
||
|
|
7,
|
||
|
|
254,
|
||
|
|
31,
|
||
|
|
252,
|
||
|
|
127,
|
||
|
|
252,
|
||
|
|
255,
|
||
|
|
248,
|
||
|
|
255,
|
||
|
|
248,
|
||
|
|
127,
|
||
|
|
240,
|
||
|
|
3,
|
||
|
|
240,
|
||
|
|
3,
|
||
|
|
224,
|
||
|
|
3,
|
||
|
|
224,
|
||
|
|
3,
|
||
|
|
192,
|
||
|
|
3,
|
||
|
|
192,
|
||
|
|
1,
|
||
|
|
128,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
# Here is an example string resource cursor. To use this:
|
||
|
|
# curs, mask = pygame.cursors.compile_cursor(pygame.cursors.thickarrow_strings, 'X', '.')
|
||
|
|
# pygame.mouse.set_cursor((24, 24), (0, 0), curs, mask)
|
||
|
|
# Be warned, though, that cursors created from compiled strings do not support colors.
|
||
|
|
|
||
|
|
# sized 24x24
|
||
|
|
thickarrow_strings = (
|
||
|
|
"XX ",
|
||
|
|
"XXX ",
|
||
|
|
"XXXX ",
|
||
|
|
"XX.XX ",
|
||
|
|
"XX..XX ",
|
||
|
|
"XX...XX ",
|
||
|
|
"XX....XX ",
|
||
|
|
"XX.....XX ",
|
||
|
|
"XX......XX ",
|
||
|
|
"XX.......XX ",
|
||
|
|
"XX........XX ",
|
||
|
|
"XX........XXX ",
|
||
|
|
"XX......XXXXX ",
|
||
|
|
"XX.XXX..XX ",
|
||
|
|
"XXXX XX..XX ",
|
||
|
|
"XX XX..XX ",
|
||
|
|
" XX..XX ",
|
||
|
|
" XX..XX ",
|
||
|
|
" XX..XX ",
|
||
|
|
" XXXX ",
|
||
|
|
" XX ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
)
|
||
|
|
|
||
|
|
# sized 24x16
|
||
|
|
sizer_x_strings = (
|
||
|
|
" X X ",
|
||
|
|
" XX XX ",
|
||
|
|
" X.X X.X ",
|
||
|
|
" X..X X..X ",
|
||
|
|
" X...XXXXXXXX...X ",
|
||
|
|
"X................X ",
|
||
|
|
" X...XXXXXXXX...X ",
|
||
|
|
" X..X X..X ",
|
||
|
|
" X.X X.X ",
|
||
|
|
" XX XX ",
|
||
|
|
" X X ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
)
|
||
|
|
|
||
|
|
# sized 16x24
|
||
|
|
sizer_y_strings = (
|
||
|
|
" X ",
|
||
|
|
" X.X ",
|
||
|
|
" X...X ",
|
||
|
|
" X.....X ",
|
||
|
|
" X.......X ",
|
||
|
|
"XXXXX.XXXXX ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
" X.X ",
|
||
|
|
"XXXXX.XXXXX ",
|
||
|
|
" X.......X ",
|
||
|
|
" X.....X ",
|
||
|
|
" X...X ",
|
||
|
|
" X.X ",
|
||
|
|
" X ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
)
|
||
|
|
|
||
|
|
# sized 24x16
|
||
|
|
sizer_xy_strings = (
|
||
|
|
"XXXXXXXX ",
|
||
|
|
"X.....X ",
|
||
|
|
"X....X ",
|
||
|
|
"X...X ",
|
||
|
|
"X..X.X ",
|
||
|
|
"X.X X.X ",
|
||
|
|
"XX X.X X ",
|
||
|
|
"X X.X XX ",
|
||
|
|
" X.XX.X ",
|
||
|
|
" X...X ",
|
||
|
|
" X...X ",
|
||
|
|
" X....X ",
|
||
|
|
" X.....X ",
|
||
|
|
" XXXXXXXX ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
)
|
||
|
|
|
||
|
|
# sized 8x16
|
||
|
|
textmarker_strings = (
|
||
|
|
"ooo ooo ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
" o ",
|
||
|
|
"ooo ooo ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
" ",
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def compile(strings, black="X", white=".", xor="o"):
|
||
|
|
"""pygame.cursors.compile(strings, black, white, xor) -> data, mask
|
||
|
|
compile cursor strings into cursor data
|
||
|
|
|
||
|
|
This takes a set of strings with equal length and computes
|
||
|
|
the binary data for that cursor. The string widths must be
|
||
|
|
divisible by 8.
|
||
|
|
|
||
|
|
The black and white arguments are single letter strings that
|
||
|
|
tells which characters will represent black pixels, and which
|
||
|
|
characters represent white pixels. All other characters are
|
||
|
|
considered clear.
|
||
|
|
|
||
|
|
Some systems allow you to set a special toggle color for the
|
||
|
|
system color, this is also called the xor color. If the system
|
||
|
|
does not support xor cursors, that color will simply be black.
|
||
|
|
|
||
|
|
This returns a tuple containing the cursor data and cursor mask
|
||
|
|
data. Both these arguments are used when setting a cursor with
|
||
|
|
pygame.mouse.set_cursor().
|
||
|
|
"""
|
||
|
|
# first check for consistent lengths
|
||
|
|
size = len(strings[0]), len(strings)
|
||
|
|
if size[0] % 8 or size[1] % 8:
|
||
|
|
raise ValueError(f"cursor string sizes must be divisible by 8 {size}")
|
||
|
|
|
||
|
|
for s in strings[1:]:
|
||
|
|
if len(s) != size[0]:
|
||
|
|
raise ValueError("Cursor strings are inconsistent lengths")
|
||
|
|
|
||
|
|
# create the data arrays.
|
||
|
|
# this could stand a little optimizing
|
||
|
|
maskdata = []
|
||
|
|
filldata = []
|
||
|
|
maskitem = fillitem = 0
|
||
|
|
step = 8
|
||
|
|
for s in strings:
|
||
|
|
for c in s:
|
||
|
|
maskitem = maskitem << 1
|
||
|
|
fillitem = fillitem << 1
|
||
|
|
step = step - 1
|
||
|
|
if c == black:
|
||
|
|
maskitem = maskitem | 1
|
||
|
|
fillitem = fillitem | 1
|
||
|
|
elif c == white:
|
||
|
|
maskitem = maskitem | 1
|
||
|
|
elif c == xor:
|
||
|
|
fillitem = fillitem | 1
|
||
|
|
|
||
|
|
if not step:
|
||
|
|
maskdata.append(maskitem)
|
||
|
|
filldata.append(fillitem)
|
||
|
|
maskitem = fillitem = 0
|
||
|
|
step = 8
|
||
|
|
|
||
|
|
return tuple(filldata), tuple(maskdata)
|
||
|
|
|
||
|
|
|
||
|
|
def load_xbm(curs, mask):
|
||
|
|
"""pygame.cursors.load_xbm(cursorfile, maskfile) -> cursor_args
|
||
|
|
reads a pair of XBM files into set_cursor arguments
|
||
|
|
|
||
|
|
Arguments can either be filenames or filelike objects
|
||
|
|
with the readlines method. Not largely tested, but
|
||
|
|
should work with typical XBM files.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def bitswap(num):
|
||
|
|
val = 0
|
||
|
|
for x in range(8):
|
||
|
|
b = num & (1 << x) != 0
|
||
|
|
val = val << 1 | b
|
||
|
|
return val
|
||
|
|
|
||
|
|
if hasattr(curs, "readlines"):
|
||
|
|
curs = curs.readlines()
|
||
|
|
else:
|
||
|
|
with open(curs, encoding="ascii") as cursor_f:
|
||
|
|
curs = cursor_f.readlines()
|
||
|
|
|
||
|
|
if hasattr(mask, "readlines"):
|
||
|
|
mask = mask.readlines()
|
||
|
|
else:
|
||
|
|
with open(mask, encoding="ascii") as mask_f:
|
||
|
|
mask = mask_f.readlines()
|
||
|
|
|
||
|
|
# avoid comments
|
||
|
|
for i, line in enumerate(curs):
|
||
|
|
if line.startswith("#define"):
|
||
|
|
curs = curs[i:]
|
||
|
|
break
|
||
|
|
|
||
|
|
for i, line in enumerate(mask):
|
||
|
|
if line.startswith("#define"):
|
||
|
|
mask = mask[i:]
|
||
|
|
break
|
||
|
|
|
||
|
|
# load width,height
|
||
|
|
width = int(curs[0].split()[-1])
|
||
|
|
height = int(curs[1].split()[-1])
|
||
|
|
# load hotspot position
|
||
|
|
if curs[2].startswith("#define"):
|
||
|
|
hotx = int(curs[2].split()[-1])
|
||
|
|
hoty = int(curs[3].split()[-1])
|
||
|
|
else:
|
||
|
|
hotx = hoty = 0
|
||
|
|
|
||
|
|
info = width, height, hotx, hoty
|
||
|
|
|
||
|
|
possible_starts = ("static char", "static unsigned char")
|
||
|
|
for i, line in enumerate(curs):
|
||
|
|
if line.startswith(possible_starts):
|
||
|
|
break
|
||
|
|
data = " ".join(curs[i + 1 :]).replace("};", "").replace(",", " ")
|
||
|
|
cursdata = []
|
||
|
|
for x in data.split():
|
||
|
|
cursdata.append(bitswap(int(x, 16)))
|
||
|
|
cursdata = tuple(cursdata)
|
||
|
|
for i, line in enumerate(mask):
|
||
|
|
if line.startswith(possible_starts):
|
||
|
|
break
|
||
|
|
data = " ".join(mask[i + 1 :]).replace("};", "").replace(",", " ")
|
||
|
|
maskdata = []
|
||
|
|
for x in data.split():
|
||
|
|
maskdata.append(bitswap(int(x, 16)))
|
||
|
|
|
||
|
|
maskdata = tuple(maskdata)
|
||
|
|
return info[:2], info[2:], cursdata, maskdata
|