1 | Namespace System
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2 | Namespace Drawing
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3 |
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4 |
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5 | /**
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6 | @file Classes/System/Drawing/Font.ab
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7 | @brief Fontクラスなどの実装。
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8 | */
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9 |
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10 | Class FontFamily : End Class
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11 | Class FontCollection : End Class
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12 |
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13 | Class Font
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14 | Implements System.IDisposable
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15 | Public
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16 | ' friend class Graphics
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17 |
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18 | Sub Font(/*IN*/ hdc As HDC)
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19 | Dim font = 0 As *GpFont
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20 | lastResult = GdipCreateFontFromDC(hdc, font)
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21 | SetNativeFont(font)
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22 | End Sub
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23 |
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24 | Sub Font(/*IN*/ hdc As HDC, /*IN const*/ ByRef logfont As LOGFONTA)
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25 | Dim font = 0 As *GpFont
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26 | lastResult =GdipCreateFontFromLogfontA(hdc, logfont, font)
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27 | SetNativeFont(font)
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28 | End Sub
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29 |
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30 | Sub Font(/*IN*/ hdc As HDC, /*IN const*/ ByRef logfont As LOGFONTW)
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31 | Dim font = 0 As *GpFont
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32 | lastResult =GdipCreateFontFromLogfontW(hdc, logfont, font)
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33 | SetNativeFont(font)
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34 | End Sub
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35 |
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36 | Sub Font(/*IN*/ hdc As HDC, /*IN const*/ hfont As HFONT)
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37 | Dim font = 0 As *GpFont
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38 | If hfont <> 0 Then
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39 | Dim lf As LOGFONTA
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40 | If GetObjectA(hfont, sizeof (LOGFONTA), lf) <> 0 Then
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41 | lastResult = GdipCreateFontFromLogfontA(hdc, lf, font)
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42 | Else
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43 | lastResult = GdipCreateFontFromDC(hdc, font)
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44 | End If
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45 | Else
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46 | lastResult = GdipCreateFontFromDC(hdc, font)
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47 | End If
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48 | SetNativeFont(font)
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49 | End Sub
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50 |
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51 | Sub Font(/*IN const*/ family As FontFamily, /*IN*/ emSize As Single)
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52 | Font(family, emSize, FontStyleRegular, UnitPoint)
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53 | End Sub
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54 |
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55 | Sub Font(/*IN const*/ family As FontFamily,
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56 | /*IN*/ emSize As Single, /*IN*/ style As Long)
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57 |
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58 | Font(family, emSize, style, UnitPoint)
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59 | End Sub
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60 |
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61 | Sub Font(/*IN const*/ family As FontFamily, /*IN*/ emSize As Single,
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62 | /*IN*/ style As Long, /*IN*/ unit As GraphicsUnit)
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63 |
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64 | Dim font = 0 As *GpFont
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65 | lastResult = GdipCreateFont(
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66 | family.NativeFamily, emSize, style, unit, font)
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67 | SetNativeFont(font)
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68 | End Sub
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69 |
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70 | Sub Font(/*IN const*/ familyName As PCWSTR, /*IN*/ emSize As Single)
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71 | Font(familyName, emSize, FontStyleRegular, Unit.Point, ByVal 0)
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72 | End Sub
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73 |
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74 | Sub Font(/*IN const*/ familyName As String, /*IN*/ emSize As Single)
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75 | Font(familyName, emSize, FontStyleRegular, Unit.Point, ByVal 0)
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76 | End Sub
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77 |
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78 | Sub Font(/*IN const*/ familyName As PCWSTR, /*IN*/ emSize As Single,
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79 | /*IN*/ style As Long)
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80 | Font(familyName, emSize, style, Unit.Point, ByVal 0)
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81 | End Sub
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82 |
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83 | Sub Font(/*IN const*/ familyName As String, /*IN*/ emSize As Single,
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84 | /*IN*/ style As Long)
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85 | Font(familyName, emSize, style, Unit.Point, ByVal 0)
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86 | End Sub
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87 |
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88 | Sub Font(/*IN const*/ familyName As PCWSTR, /*IN*/ emSize As Single,
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89 | /*IN*/ style As Long, /*IN*/ unit As GraphicsUnit)
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90 | Font(familyName, emSize, style, unit, ByVal 0)
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91 | End Sub
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92 |
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93 | Sub Font(/*IN const*/ familyName As String, /*IN*/ emSize As Single,
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94 | /*IN*/ style As Long, /*IN*/ unit As GraphicsUnit)
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95 | Font(familyName, emSize, style, unit, ByVal 0)
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96 | End Sub
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97 |
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98 | Sub Font(/*IN const*/ familyName As PCWSTR, /*IN*/ emSize As Single,
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99 | /*IN*/ style As Long, /*IN*/ unit As GraphicsUnit,
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100 | /*IN const*/ ByRef fontCollection As FontCollection)
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101 |
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102 | nativeFont = 0
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103 |
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104 | Dim family As FontFamily(familyName, fontCollection)
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105 | Dim nativeFamily = family.NativeFamily As *GpFontFamily
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106 |
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107 | lastResult = family.GetLastStatus()
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108 |
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109 | If lastResult <> Ok Then
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110 | nativeFamily = FontFamily.GenericSansSerif()->NativeFamily
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111 | lastResult = FontFamily.GenericSansSerif()->lastResult
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112 | If lastResult <> Ok Then
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113 | Exit Sub
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114 | End If
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115 | End If
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116 |
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117 | lastResult = GdipCreateFont(
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118 | nativeFamily, emSize, style, unit, nativeFont)
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119 |
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120 | If lastResult <> Ok Then
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121 | nativeFamily = FontFamily.GenericSansSerif()->NativeFamily
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122 | lastResult = FontFamily.GenericSansSerif()->lastResult
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123 | If lastResult <> Ok Then
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124 | Exit Sub
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125 | End If
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126 |
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127 | lastResult = GdipCreateFont(
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128 | nativeFamily, emSize, style, unit, nativeFont)
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129 | End If
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130 | End Sub
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131 |
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132 | Sub Font(/*IN const*/ familyName As String, /*IN*/ emSize As Single,
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133 | /*IN*/ style As Long, /*IN*/ unit As GraphicsUnit,
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134 | /*IN const*/ fontCollection As FontCollection)
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135 | Font(ToWCStr(familyName), emSize, style, unit, fontCollection)
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136 | End Sub
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137 |
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138 | Const Function GetLogFontA(/*IN const*/ g As Graphics, /*OUT*/ ByRef lf As LOGFONTA) As Status
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139 | Dim nativeGraphics As *GpGraphics
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140 | If Not ActiveBasic.IsNothing(g) Then
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141 | nativeGraphics = g.nativeGraphics
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142 | End If
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143 | Return SetStatus(GdipGetLogFontA(nativeFont, nativeGraphics, lf))
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144 | End Function
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145 |
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146 | Const Function GetLogFontW(/*IN const*/ g As Graphics, /*OUT*/ ByRef lf As LOGFONTW) As Status
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147 | Dim nativeGraphics As *GpGraphics
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148 | If Not ActiveBasic.IsNothing(g) Then
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149 | nativeGraphics = g.nativeGraphics
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150 | End If
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151 | Return SetStatus(GdipGetLogFontW(nativeFont, nativeGraphics, lf))
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152 | End Function
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153 |
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154 | Const Function GetLogFont(/*IN const*/ g As Graphics, /*OUT*/ ByRef lf As LOGFONT) As Status
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155 | Dim nativeGraphics As *GpGraphics
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156 | If Not ActiveBasic.IsNothing(g) Then
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157 | nativeGraphics = g.nativeGraphics
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158 | End If
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159 | #ifdef UNICODE
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160 | Return SetStatus(GdipGetLogFontW(nativeFont, nativeGraphics, lf))
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161 | #else
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162 | Return SetStatus(GdipGetLogFontA(nativeFont, nativeGraphics, lf))
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163 | #endif
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164 | End Function
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165 |
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166 | Const Function Clone() As Font
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167 | Dim cloneFont = 0 As *GpFont
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168 | SetStatus(GdipCloneFont(nativeFont, cloneFont))
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169 | Return New Font(cloneFont, lastResult)
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170 | End Function
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171 |
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172 | Sub ~Font()
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173 | GdipDeleteFont(nativeFont)
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174 | End Sub
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175 |
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176 | Const Function IsAvailable() As Boolean
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177 | Return nativeFont <> 0
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178 | End Function
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179 |
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180 | Const Function Style() As Long
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181 | SetStatus(GdipGetFontStyle(nativeFont, Style))
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182 | End Function
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183 |
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184 | Const Function Size() As Single
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185 | SetStatus(GdipGetFontSize(nativeFont, Size))
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186 | End Function
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187 |
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188 | Const Function SizeInPoints() As Single
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189 |
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190 | Const Function Unit() As GraphicsUnit
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191 | SetStatus(GdipGetFontUnit(nativeFont, Unit))
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192 | End Function
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193 |
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194 | Const Function LastStatus() As Status
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195 | Return lastResult
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196 | End Function
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197 |
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198 | Const Function Height() As Long
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199 | Return GetHeight() As Long
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200 | End Function
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201 |
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202 | Const Function GetHeight() As Single
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203 | SetStatus(GdipGetFontHeight(nativeFont, 0, GetHeight))
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204 | End Function
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205 |
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206 | Const Function GetHeight(/*IN const*/ g As Graphics) As Single
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207 | Dim nativeGraphics As *GpGraphics
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208 | If Not ActiveBasic.IsNothing(g) Then
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209 | nativeGraphics = g.NativeGraphics
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210 | End If
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211 | SetStatus(GdipGetFontHeight(nativeFont, nativeGraphics, GetHeight))
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212 | End Function
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213 |
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214 | Const Function GetHeight(/*IN*/ dpi As Single) As Single
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215 | SetStatus(GdipGetFontHeightGivenDPI(nativeFont, dpi, GetHeight))
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216 | End Function
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217 |
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218 | ' Const Function FontFamily(/*OUT*/ ByRef family As FontFamily)
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219 | ' If VarPtr(family) = 0 Then
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220 | ' Return SetStatus(Status.InvalidParameter)
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221 | ' End If
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222 | ' Dim status = GdipGetFamily(nativeFont, family->nativeFamily)
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223 | ' family->SetStatus(status)
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224 | ' Return SetStatus(status)
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225 | ' End Function
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226 |
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227 | Const Function Bold() As Boolean
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228 | Dim lf As LOGFONT
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229 | GetLogFont(0, lf)
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230 | Return lf.lfWeight > FW_BOLD
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231 | End Function
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232 |
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233 | Const Function GdiCharSet() As Byte
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234 | Dim lf As LOGFONT
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235 | GetLogFont(0, lf)
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236 | Return lf.lfCharSet
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237 | End Function
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238 |
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239 | 'Const Function GdiVerticalFont() As Boolean
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240 |
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241 | Const Function NativeFont() As *GpFont
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242 | Return nativeFont
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243 | End Function
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244 |
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245 | 'Const Function IsSystemFont() As Boolean
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246 |
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247 | Const Function Italic() As Boolean
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248 | Dim lf As LOGFONT
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249 | GetLogFont(0, lf)
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250 | Return lf.lfItalic <> FALSE
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251 | End Function
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252 |
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253 | Const Function Name() As String
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254 | #ifdef UNICODE
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255 | Dim lf As LOGFONTW
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256 | GetLogFontW(0, lf)
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257 | #else
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258 | Dim lf As LOGFONTA
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259 | GetLogFontA(0, lf)
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260 | #endif
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261 | Return lf.lfFaceName
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262 | End Function
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263 |
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264 | 'Const Function SizeInPoint() As Boolean
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265 |
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266 | Const Function StrikeOut() As Boolean
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267 | Dim lf As LOGFONT
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268 | GetLogFont(0, lf)
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269 | Return lf.fdwStrikeOut <> FALSE
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270 | End Function
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271 |
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272 | Const Function Style() As FontStyle
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273 | Dim lf As LOGFONT
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274 | GetLogFont(0, lf)
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275 | Return (((lf.lfWeight > FW_BOLD) And FontStyle.Bold) Or _
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276 | ((lf.lfItatlic <> FALSE) And FontStyle.Italic) Or _
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277 | ((lf.fdwStrikeOut <> FALSE) And FontStyle.Strickeout) Or _
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278 | ((lf.fdwUnderline <> FALSE) And FontStyle.Underline)) As FontStyle
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279 | End Function
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280 |
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281 | 'Const Function SystemFontName() As String
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282 |
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283 | Const Function Underline() As Boolean
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284 | Dim lf As LOGFONT
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285 | GetLogFont(0, lf)
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286 | Return lf.fdwUnderline <> FALSE
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287 | End Function
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288 |
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289 | Override Function ToString() As String
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290 | Return Name
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291 | End Function
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292 |
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293 | Const Function ToHfont() As HFONT
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294 | Dim lf As LOGFONT
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295 | GetLogFont(ByVal 0, lf)
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296 | Return CreateFontIndirect(lf)
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297 | End Function
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298 |
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299 | Const Sub ToLogFont(ByRef lf As LOGFONT)
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300 | GetLogFont(ByVal 0, lf)
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301 | End Sub
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302 |
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303 | Const Sub ToLogFont(ByRef lf As LOGFONT, g As Graphics)
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304 | GetLogFont(g, lf)
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305 | End Sub
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306 |
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307 | Private
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308 | ' Sub Font(ByRef f As Font)
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309 |
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310 | Protected
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311 | Sub Font(f As *GpFont, status As Status)
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312 | lastResult = status
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313 | SetNativeFont(f)
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314 | End Sub
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315 |
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316 | Sub SetNativeFont(f As *GpFont)
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317 | nativeFont = f
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318 | End Sub
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319 |
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320 | Const Function SetStatus(s As Status) As Status
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321 | If s <> Status.Ok Then
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322 | lastResult = s
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323 | Return s
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324 | Else
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325 | Return s
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326 | End If
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327 | End Function
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328 |
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329 | Protected
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330 | nativeFont As *GpFont
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331 | /*mutable*/ lastResult As Status
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332 | End Class
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333 |
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334 | End Namespace
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335 | End Namespace
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