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117 lines
2.6 KiB
Python
117 lines
2.6 KiB
Python
# point(h,v) or point(x=.., y=..)
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__all__ = ['point', 'rect', 'size', 'format_rect', 'format_point', 'format_size']
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def all_defined(*args): return args.count(None)==0
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def all_none(*args): return args.count(None)==len(args)
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def is_listy(x): type(x) in (tuple, list)
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# def point(a=None, b=None, *, x=None, y=None, h=None, v=None):
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# if all_defined(h,v): return (v, h)
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# if all_defined(x,y): return (y, x)
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# if type(a) in (tuple, list):
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# if len(a) == 2 and b is None: return tuple(a)
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# raise ValueError("bad parameter")
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# if all_defined(a,b): return (a, b)
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# raise ValueError("bad parameter")
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# rect (v1, h1, v2, h2)
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# rect( (0,0), (10,10) )
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# rect (x=, y=, height=, width=)
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# def rect(a=None, b=None, c=None, d=None, *,
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# x=None,y=None,height=None,width=None,
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# h1=None,h2=None,v1=None,v2=None):
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# if all_defined(x,y,height,width):
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# return (y, x, y + height, x + width)
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# if all_defined(h1,h2,v1,v2):
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# return (v1, h2, v2, h2)
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# if type(a) in (tuple,list):
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# if len(a) == 4: return tuple(a)
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# if type(b) in (tuple, list):
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# if len(a) == 2 and len(b) == 2:
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# return (*a, *b)
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# raise ValueError("bad parameter")
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# if all_defined(a,b,c,d): return (a, b, c, d)
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# raise ValueError("bad parameter")
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# struct Point {
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# short v;
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# short h;
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# };
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# struct Rect {
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# short v1;
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# short h1;
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# short v2;
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# short h2;
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# };
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def point(*args, x=None, y=None, h=None, v=None):
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if len(args) == 2: return args
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if len(args) == 1:
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a, = args
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if is_listy(a) and len(a) == 2:
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return a
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if not args:
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if all_defined(x,y): return (y, x)
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if all_defined(h,v): return (v, h)
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raise ValueError("bad point parameter")
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def size(*args, height=None, width=None):
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if len(args) == 2: return args
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if len(args) == 1:
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a, = args
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if is_listy(a) and len(a) == 2:
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return a
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if not args:
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if all_defined(height,width): return (height, width)
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raise ValueError("bad size parameter")
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def rect(*args,
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x=None,y=None,height=None,width=None,
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h1=None,h2=None,v1=None,v2=None):
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if len(args) == 4: return args
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if len(args) == 2:
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a, b = args
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if is_listy(a) and is_listy(b):
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if len(a) == 2 and len(b) == 2:
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return ( *a, *b )
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if len(args) == 1:
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a, = args
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if is_listy(a) and len(a) == 4: return a
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if not args:
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if all_defined(x,y,height,width):
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return (y, x, y + height, x + width)
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if all_defined(h1,h2,v1,v2):
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return (v1, h2, v2, h2)
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raise ValueError("bad rect parameter")
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def format_rect(x):
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return "{{ {:d}, {:d}, {:d}, {:d} }}".format(*x)
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def format_point(x):
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return "{{ {:d}, {:d} }}".format(*x)
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def format_size(x):
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return "{{ {:d}, {:d} }}".format(*x)
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