[12] | 1 | ' Classes/System/Drawing/Imaging/MetafileHeader.ab
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| 2 |
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| 3 | Type Align(8) ENHMETAHEADER3
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| 4 | iType As DWord
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| 5 | nSize As DWord
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| 6 |
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| 7 | rclBounds As RECTL
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| 8 | rclFrame As RECTL
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| 9 | dSignature As DWord
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| 10 | nVersion As DWord
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| 11 | nBytes As DWord
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| 12 | nRecords As DWord
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| 13 | nHandles As Word
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| 14 |
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| 15 | sReserved As Word
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| 16 | nDescription As DWord
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| 17 |
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| 18 | offDescription As DWord
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| 19 |
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| 20 | nPalEntries As DWord
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| 21 | szlDevice As SIZEL
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| 22 | szlMillimeters As SIZEL
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| 23 | End Type
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| 24 |
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| 25 | ' Placeable WMFs
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| 26 |
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| 27 | Type Align(2) PWMFRect16
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| 28 | Left As Word
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| 29 | Top As Word
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| 30 | Right As Word
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| 31 | Bottom As Word
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| 32 | End Type
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| 33 |
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| 34 | Type Align(2) WmfPlaceableFileHeader
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| 35 | Key As DWord
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| 36 | Hmf As Word
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| 37 | BoundingBox As PWMFRect16
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| 38 | Inch As Word
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| 39 | Reserved As DWord
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| 40 | Checksum As Word
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| 41 | End Type
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| 42 |
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| 43 | Const GDIP_EMFPLUSFLAGS_DISPLAY = &h00000001
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| 44 |
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| 45 | Class MetafileHeader
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| 46 | Private
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| 47 | mfType As MetafileType
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| 48 | Size As DWord
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| 49 | version As DWord
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| 50 | emfPlusFlags As DWord
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| 51 | dpiX As Single
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| 52 | dpiY As Single
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| 53 | X As Long
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| 54 | Y As Long
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| 55 | Width As Long
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| 56 | Height As Long
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| 57 | 'Union
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| 58 | ' WmfHeader As METAHEADER
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| 59 | EmfHeader As ENHMETAHEADER3
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| 60 | 'End Union
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| 61 | emfPlusHeaderSize As Long
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| 62 | logicalDpiX As Long
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| 63 | logicalDpiY As Long
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| 64 | Public
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| 65 | Function MetafileType() As MetafileType
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| 66 | Return mfType
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| 67 | End Function
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| 68 |
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| 69 | Function EmfPlusHeaderSize() As DWord
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| 70 | Return emfPlusHeaderSize
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| 71 | End Function
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| 72 |
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| 73 | Function Version() As DWord
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| 74 | Return version
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| 75 | End Function
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| 76 |
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| 77 | Function EmfPlusFlags() As DWord
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| 78 | Return emfPlusFlags
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| 79 | End Function
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| 80 |
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| 81 | Function DpiX() As Single
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| 82 | Return dpiX
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| 83 | End Function
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| 84 |
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| 85 | Function DpiY() As Single
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| 86 | Return dpiY
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| 87 | End Function
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| 88 |
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| 89 | Function Bounds() As Rectangle
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| 90 | Dim r(X, Y, Width, Height)
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| 91 | Return r
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| 92 | End Function
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| 93 |
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| 94 | Function LogicalDpiX() As Single
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| 95 | Return logicalDpiX
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| 96 | End Function
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| 97 |
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| 98 | Function LogicalDpiY() As Single
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| 99 | Return logicalDpiY
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| 100 | End Function
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| 101 |
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| 102 | Function IsWmf() As BOOL
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| 103 | IsWmf = (mfType = MetafileTypeWmf Or mfType = MetafileTypeWmfPlaceable)
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| 104 | End Function
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| 105 |
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| 106 | Function IsWmfPlaceable() As BOOL
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| 107 | IsWmfPlaceable = (mfType = MetafileTypeWmfPlaceable)
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| 108 | End Function
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| 109 |
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| 110 | Function IsEmf() As BOOL
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| 111 | IsEmf = (mfType = MetafileTypeEmf)
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| 112 | End Function
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| 113 |
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| 114 | Function IsEmfOrEmfPlus() As BOOL
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| 115 | IsEmfOrEmfPlus = (mfType >= MetafileTypeEmf)
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| 116 | End Function
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| 117 |
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| 118 | Function IsEmfPlus() As BOOL
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| 119 | IsEmfPlus = (mfType >= MetafileTypeEmfPlusOnly)
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| 120 | End Function
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| 121 |
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| 122 | Function IsEmfPlusDual() As BOOL
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| 123 | IsEmfPlusDual = (mfType = MetafileTypeEmfPlusDual)
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| 124 | End Function
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| 125 |
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| 126 | Function IsEmfPlusOnly() As BOOL /*const*/
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| 127 | IsEmfPlusOnly = (mfType = MetafileTypeEmfPlusOnly)
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| 128 | End Function
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| 129 |
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| 130 | Function IsDisplay() As BOOL
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| 131 | If IsEmfPlus() <> FALSE And ((EmfPlusFlags And GDIP_EMFPLUSFLAGS_DISPLAY) <> 0) Then
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| 132 | IsDisplay = _System_TRUE
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| 133 | Else
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| 134 | IsDisplay = _System_FALSE
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| 135 | End Function
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| 136 |
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| 137 | Function WmfHeader() As *METAHEADER 'const METAHEADER* const
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| 138 | If IsWmf() Then
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| 139 | Return VarPtr(EmfHeader) 'VarPtr(WmfHeader)
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| 140 | Else
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| 141 | Return 0
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| 142 | End If
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| 143 | End Function
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| 144 |
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| 145 | Function GetEmfHeader() As * /*const*/ ENHMETAHEADER3 /*const*/
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| 146 | If IsEmfOrEmfPlus() Then
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| 147 | Return VarPtr(EmfHeader) 'VarPtr(WmfHeader)
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| 148 | Else
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| 149 | Return 0
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| 150 | End If
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| 151 | End Function
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| 152 | End Class
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