1 | ' Classes/System/Drawing/Point.ab
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2 |
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3 | #ifndef __SYSTEM_DRAWING_POINT_AB__
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4 | #define __SYSTEM_DRAWING_POINT_AB__
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5 |
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6 | #require <Classes/System/Drawing/PointF.ab>
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7 | #require <Classes/System/Drawing/Size.ab>
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8 | #require <Classes/System/Drawing/SizeF.ab>
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9 |
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10 | Class Point
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11 | Public
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12 | Sub Point()
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13 | x = 0
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14 | y = 0
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15 | End Sub
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16 |
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17 | Sub Point(initX As Long, initY As Long)
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18 | x = initX
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19 | y = initY
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20 | End Sub
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21 |
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22 | Sub Point(sz As Size)
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23 | x = sz.Width
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24 | y = sz.Height
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25 | End Sub
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26 |
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27 | Sub Point(dw As DWord)
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28 | x = LOWORD(dw)
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29 | y = HIWORD(dw)
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30 | End Sub
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31 |
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32 | Function X() As Long
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33 | Return x
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34 | End Function
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35 |
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36 | Sub X(newX As Long)
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37 | x = newX
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38 | End Sub
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39 |
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40 | Function Y() As Long
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41 | Return y
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42 | End Function
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43 |
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44 | Sub Y(newY As Long)
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45 | y = newY
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46 | End Sub
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47 |
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48 | Function IsEmpty() As Boolean
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49 | Return x = 0 And y = 0
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50 | End Function
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51 |
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52 | Function Operator + (pt As Point) As Point
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53 | Return Add(This, pt)
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54 | End Function
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55 |
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56 | Function Operator + (sz As Size) As Point
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57 | Return Add(This, sz)
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58 | End Function
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59 |
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60 | Function Operator - (pt As Point) As Point
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61 | Return Substract(This, pt)
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62 | End Function
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63 |
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64 | Function Operator - (sz As Size) As Point
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65 | Return Substract(This, sz)
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66 | End Function
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67 |
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68 | Function Operator == (sz As Point) As Boolean
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69 | Return Equals(sz)
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70 | End Function
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71 |
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72 | Function Operator <> (sz As Point) As Boolean
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73 | Return Not Equals(sz)
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74 | End Function
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75 |
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76 | Static Function Add(pt1 As Point, pt2 As Point) As Point
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77 | Dim ret As Point(pt1.x + pt2.x, pt1.y + pt2.y)
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78 | Return ret
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79 | End Function
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80 |
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81 | Static Function Add(pt As Point, sz As Size) As Point
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82 | Dim ret As Point(pt.x + sz.Width, pt.y + sz.Height)
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83 | Return ret
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84 | End Function
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85 |
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86 | Function Offset(pt As Point) As Point
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87 | Dim ret As Point(x + pt.x, y + pt.y)
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88 | Return ret
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89 | End Function
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90 |
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91 | Sub Offset(dx As Long, dy As Long)
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92 | x += dx
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93 | y += dy
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94 | End Sub
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95 |
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96 | Static Function Substract(pt1 As Point, pt2 As Point) As Point
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97 | Dim ret As Point(pt1.x - pt2.x, pt1.y - pt2.y)
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98 | Return ret
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99 | End Function
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100 |
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101 | Static Function Substract(pt As Point, sz As Size) As Point
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102 | Dim ret As Point(pt.x - sz.Width, pt.y - sz.Height)
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103 | Return ret
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104 | End Function
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105 |
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106 | Function Equals(pt As Point) As Boolean
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107 | Return x = pt.x And y = pt.y
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108 | End Function
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109 |
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110 | Override Function GetHashCode() As Long
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111 | Return x Xor _System_BSwap(y As DWord)
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112 | End Function
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113 |
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114 | Static Function Ceiling(ptf As PointF) As Point
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115 | Dim pt As Size(Math.Ceiling(ptf.width), Math.Ceiling(ptf.height))
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116 | Return pt
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117 | End Function
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118 |
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119 | Static Function Round(ptf As PointF) As Point
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120 | Dim pt As Point(Math.Round(ptf.width), Math.Round(ptf.height))
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121 | Return pt
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122 | End Function
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123 |
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124 | Static Function Truncate(ptf As PointF) As Point
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125 | Dim pt As Point(Math.Truncate(ptf.width), Math.Truncate(ptf.height))
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126 | Return pt
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127 | End Function
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128 |
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129 | Function Operator () As PointF
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130 | Return Return PointF(X, Y)
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131 | End Function
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132 |
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133 | Private
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134 | x As Long
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135 | y As Long
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136 | End Class
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137 |
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138 | #endif '__SYSTEM_DRAWING_POINT_AB__
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