source: Include/Classes/System/Drawing/SizeF.ab@ 167

Last change on this file since 167 was 166, checked in by イグトランス (egtra), 18 years ago

GetHashCodeを実装

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Line 
1' Classes/System/Drawing/SizeF.ab
2
3#ifndef __SYSTEM_DRAWING_SIZEF_AB__
4#define __SYSTEM_DRAWING_SIZEF_AB__
5
6#include <Classes/System/Drawing/Size.ab>
7#include <Classes/System/Drawing/PointF.ab>
8
9Class SizeF
10Public
11 Sub SizeF()
12 width = 0
13 height = 0
14 End Sub
15
16 Sub SizeF(initWidth As Single, initHeight As Single)
17 width = initWidth
18 height = initHeight
19 End Sub
20
21 Sub SizeF(ByRef sz As SizeF)
22 width = sz.width
23 height = sz.height
24 End Sub
25
26 Function Width() As Single
27 Return width
28 End Function
29
30 Sub Width(w As Single)
31 width = w
32 End Sub
33
34 Function Height() As Single
35 Return height
36 End Function
37
38 Sub Height(h As Single)
39 height = h
40 End Sub
41
42 Function Operator +(sz As SizeF) As SizeF
43 Dim ret As SizeF(width + sz.width, height + sz.height)
44 Return ret
45 End Function
46
47 Function Operator -(sz As SizeF) As SizeF
48 Dim ret As SizeF(width - sz.width, height - sz.height)
49 Return ret
50 End Function
51
52 Function Operator ==(sz As SizeF) As Boolean
53 Return Equals(sz)
54 End Function
55
56 Function Operator <>(sz As SizeF) As Boolean
57 Return Not Equals(sz)
58 End Function
59
60 Sub Operator =(ByRef sz As SizeF)
61 width = sz.width
62 height = sz.height
63 End Sub
64
65 Function Equals(sz As SizeF) As Boolean
66 If width = sz.width And height = sz.height Then
67 Equals = _System_TRUE
68 Else
69 Equals = _System_FALSE
70 End If
71 End Function
72
73 Override Function GetHashCode() As Long
74 Return VarPtr(GetDWord(width)) Xor _System_BSwap(VarPtr(GetDWord(height)))
75
76 Function IsEmpty() As Boolean
77 If width = 0 And height = 0 Then
78 Empty = _System_TRUE
79 Else
80 Empty = _System_FALSE
81 End If
82 End Function
83
84 Function Add(sz As Size) As Size
85 Return This + sz
86 End Function
87
88 Function Subtract(sz As SizeF) As SizeF
89 Return This - sz
90 End Function
91
92 Function ToSize() As Size
93 Return Size.Round(This)
94 End Function
95
96 Function ToPointF() As PointF
97 Dim pt As PointF(width, height)
98 Return pt
99 End Function
100Private
101 width As Single
102 height As Single
103End Class
104
105#endif '__SYSTEM_DRAWING_SIZEF_AB__
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