source: Include/Classes/System/Drawing/Imaging/MetafileHeader.ab@ 60

Last change on this file since 60 was 12, checked in by イグトランス (egtra), 18 years ago

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1' Classes/System/Drawing/Imaging/MetafileHeader.ab
2
3#ifndef __SYSTEM_DRAWING_IMAGING_METAFILEHEADER_AB__
4#define __SYSTEM_DRAWING_IMAGING_METAFILEHEADER_AB__
5
6Type Align(8) ENHMETAHEADER3
7 iType As DWord
8 nSize As DWord
9
10 rclBounds As RECTL
11 rclFrame As RECTL
12 dSignature As DWord
13 nVersion As DWord
14 nBytes As DWord
15 nRecords As DWord
16 nHandles As Word
17
18 sReserved As Word
19 nDescription As DWord
20
21 offDescription As DWord
22
23 nPalEntries As DWord
24 szlDevice As SIZEL
25 szlMillimeters As SIZEL
26End Type
27
28' Placeable WMFs
29
30Type Align(2) PWMFRect16
31 Left As Word
32 Top As Word
33 Right As Word
34 Bottom As Word
35End Type
36
37Type Align(2) WmfPlaceableFileHeader
38 Key As DWord
39 Hmf As Word
40 BoundingBox As PWMFRect16
41 Inch As Word
42 Reserved As DWord
43 Checksum As Word
44End Type
45
46Const GDIP_EMFPLUSFLAGS_DISPLAY = &h00000001
47
48Class MetafileHeader
49Private
50 mfType As MetafileType
51 Size As DWord
52 version As DWord
53 emfPlusFlags As DWord
54 dpiX As Single
55 dpiY As Single
56 X As Long
57 Y As Long
58 Width As Long
59 Height As Long
60 'Union
61 ' WmfHeader As METAHEADER
62 EmfHeader As ENHMETAHEADER3
63 'End Union
64 emfPlusHeaderSize As Long
65 logicalDpiX As Long
66 logicalDpiY As Long
67Public
68 Function MetafileType() As MetafileType
69 Return mfType
70 End Function
71
72 Function EmfPlusHeaderSize() As DWord
73 Return emfPlusHeaderSize
74 End Function
75
76 Function Version() As DWord
77 Return version
78 End Function
79
80 Function EmfPlusFlags() As DWord
81 Return emfPlusFlags
82 End Function
83
84 Function DpiX() As Single
85 Return dpiX
86 End Function
87
88 Function DpiY() As Single
89 Return dpiY
90 End Function
91
92 Function Bounds() As Rectangle
93 Dim r(X, Y, Width, Height)
94 Return r
95 End Function
96
97 Function LogicalDpiX() As Single
98 Return logicalDpiX
99 End Function
100
101 Function LogicalDpiY() As Single
102 Return logicalDpiY
103 End Function
104
105 Function IsWmf() As BOOL
106 IsWmf = (mfType = MetafileTypeWmf Or mfType = MetafileTypeWmfPlaceable)
107 End Function
108
109 Function IsWmfPlaceable() As BOOL
110 IsWmfPlaceable = (mfType = MetafileTypeWmfPlaceable)
111 End Function
112
113 Function IsEmf() As BOOL
114 IsEmf = (mfType = MetafileTypeEmf)
115 End Function
116
117 Function IsEmfOrEmfPlus() As BOOL
118 IsEmfOrEmfPlus = (mfType >= MetafileTypeEmf)
119 End Function
120
121 Function IsEmfPlus() As BOOL
122 IsEmfPlus = (mfType >= MetafileTypeEmfPlusOnly)
123 End Function
124
125 Function IsEmfPlusDual() As BOOL
126 IsEmfPlusDual = (mfType = MetafileTypeEmfPlusDual)
127 End Function
128
129 Function IsEmfPlusOnly() As BOOL /*const*/
130 IsEmfPlusOnly = (mfType = MetafileTypeEmfPlusOnly)
131 End Function
132
133 Function IsDisplay() As BOOL
134 If IsEmfPlus() <> FALSE And ((EmfPlusFlags And GDIP_EMFPLUSFLAGS_DISPLAY) <> 0) Then
135 IsDisplay = _System_TRUE
136 Else
137 IsDisplay = _System_FALSE
138 End Function
139
140 Function WmfHeader() As *METAHEADER 'const METAHEADER* const
141 If IsWmf() Then
142 Return VarPtr(EmfHeader) 'VarPtr(WmfHeader)
143 Else
144 Return 0
145 End If
146 End Function
147
148 Function GetEmfHeader() As * /*const*/ ENHMETAHEADER3 /*const*/
149 If IsEmfOrEmfPlus() Then
150 Return VarPtr(EmfHeader) 'VarPtr(WmfHeader)
151 Else
152 Return 0
153 End If
154 End Function
155End Class
156
157#endif '__SYSTEM_DRAWING_IMAGING_METAFILEHEADER_AB__
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