| 1 | /*
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| 2 | * gdiplusmetaheader.h
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| 3 | *
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| 4 | * GDI+ metafile header structure
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| 5 | *
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| 6 | * This file is part of the w32api package.
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| 7 | *
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| 8 | * Contributors:
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| 9 | * Created by Markus Koenig <markus@stber-koenig.de>
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| 10 | *
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| 11 | * THIS SOFTWARE IS NOT COPYRIGHTED
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| 12 | *
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| 13 | * This source code is offered for use in the public domain. You may
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| 14 | * use, modify or distribute it freely.
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| 15 | *
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| 16 | * This code is distributed in the hope that it will be useful but
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| 17 | * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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| 18 | * DISCLAIMED. This includes but is not limited to warranties of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 20 | *
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| 21 | */
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| 22 |
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| 23 | #ifndef __GDIPLUS_METAHEADER_H
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| 24 | #define __GDIPLUS_METAHEADER_H
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| 25 | #if __GNUC__ >=3
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| 26 | #pragma GCC system_header
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| 27 | #endif
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| 28 |
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| 29 |
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| 30 | /*
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| 31 | * FIXME: is 1 the correct value for GDIP_EMFPLUSFLAGS_DISPLAY? This number
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| 32 | * has been determined by calling Metafile::GetMetafileHeader() on a EMF+
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| 33 | * metafile which was recorded on a display device context (SampleMetafile.emf).
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| 34 | */
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| 35 | #ifdef __cplusplus
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| 36 | const UINT GDIP_EMFPLUSFLAGS_DISPLAY = 1;
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| 37 | #else
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| 38 | #define GDIP_EMFPLUSFLAGS_DISPLAY ((UINT) 1)
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| 39 | #endif
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| 40 |
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| 41 | typedef struct tagENHMETAHEADER3 {
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| 42 | DWORD iType;
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| 43 | DWORD nSize;
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| 44 | RECTL rclBounds;
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| 45 | RECTL rclFrame;
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| 46 | DWORD dSignature;
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| 47 | DWORD nVersion;
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| 48 | DWORD nBytes;
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| 49 | DWORD nRecords;
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| 50 | WORD nHandles;
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| 51 | WORD sReserved;
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| 52 | DWORD nDescription;
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| 53 | DWORD offDescription;
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| 54 | DWORD nPalEntries;
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| 55 | SIZEL szlDevice;
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| 56 | SIZEL szlMillimeters;
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| 57 | } ENHMETAHEADER3,*LPENHMETAHEADER3;
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| 58 |
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| 59 | typedef struct PWMFRect16 {
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| 60 | INT16 Left;
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| 61 | INT16 Top;
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| 62 | INT16 Right;
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| 63 | INT16 Bottom;
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| 64 | } PWMFRect16;
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| 65 |
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| 66 | typedef struct WmfPlaceableFileHeader {
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| 67 | UINT32 Key;
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| 68 | INT16 Hmf;
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| 69 | PWMFRect16 BoundingBox;
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| 70 | INT16 Inch;
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| 71 | UINT32 Reserved;
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| 72 | INT16 Checksum;
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| 73 | } WmfPlaceableFileHeader;
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| 74 |
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| 75 | typedef struct MetafileHeader {
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| 76 | MetafileType Type;
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| 77 | UINT Size;
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| 78 | UINT Version;
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| 79 | UINT EmfPlusFlags;
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| 80 | REAL DpiX;
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| 81 | REAL DpiY;
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| 82 | INT X;
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| 83 | INT Y;
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| 84 | INT Width;
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| 85 | INT Height;
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| 86 | __extension__ union {
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| 87 | METAHEADER WmfHeader;
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| 88 | ENHMETAHEADER3 EmfHeader;
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| 89 | };
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| 90 | INT EmfPlusHeaderSize;
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| 91 | INT LogicalDpiX;
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| 92 | INT LogicalDpiY;
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| 93 |
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| 94 | #ifdef __cplusplus
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| 95 | public:
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| 96 | void GetBounds(Rect *rect) const
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| 97 | {
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| 98 | if (rect)
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| 99 | {
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| 100 | rect->X = X;
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| 101 | rect->Y = Y;
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| 102 | rect->Width = Width;
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| 103 | rect->Height = Height;
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| 104 | }
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| 105 | }
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| 106 | REAL GetDpiX() const
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| 107 | {
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| 108 | return DpiX;
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| 109 | }
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| 110 | REAL GetDpiY() const
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| 111 | {
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| 112 | return DpiY;
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| 113 | }
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| 114 | const ENHMETAHEADER3* GetEmfHeader() const
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| 115 | {
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| 116 | if (Type == MetafileTypeEmf
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| 117 | || Type == MetafileTypeEmfPlusOnly
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| 118 | || Type == MetafileTypeEmfPlusDual)
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| 119 | {
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| 120 | return &EmfHeader;
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| 121 | }
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| 122 | else
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| 123 | {
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| 124 | return NULL;
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| 125 | }
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| 126 | }
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| 127 | UINT GetEmfPlusFlags() const
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| 128 | {
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| 129 | return EmfPlusFlags;
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| 130 | }
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| 131 | UINT GetMetafileSize() const
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| 132 | {
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| 133 | return Size;
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| 134 | }
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| 135 | MetafileType GetType() const
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| 136 | {
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| 137 | return Type;
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| 138 | }
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| 139 | UINT GetVersion() const
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| 140 | {
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| 141 | return Version;
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| 142 | }
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| 143 | const METAHEADER* GetWmfHeader() const
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| 144 | {
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| 145 | if (Type == MetafileTypeWmf || Type == MetafileTypeWmfPlaceable)
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| 146 | {
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| 147 | return &WmfHeader;
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| 148 | }
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| 149 | else
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| 150 | {
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| 151 | return NULL;
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| 152 | }
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| 153 | }
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| 154 | BOOL IsDisplay() const
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| 155 | {
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| 156 | return EmfPlusFlags == GDIP_EMFPLUSFLAGS_DISPLAY;
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| 157 | }
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| 158 | BOOL IsEmf() const
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| 159 | {
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| 160 | return Type == MetafileTypeEmf;
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| 161 | }
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| 162 | BOOL IsEmfOrEmfPlus() const
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| 163 | {
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| 164 | return Type == MetafileTypeEmf
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| 165 | || Type == MetafileTypeEmfPlusOnly
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| 166 | || Type == MetafileTypeEmfPlusDual;
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| 167 | }
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| 168 | BOOL IsEmfPlus() const
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| 169 | {
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| 170 | return Type == MetafileTypeEmfPlusOnly
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| 171 | || Type == MetafileTypeEmfPlusDual;
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| 172 | }
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| 173 | BOOL IsEmfPlusDual() const
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| 174 | {
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| 175 | return Type == MetafileTypeEmfPlusDual;
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| 176 | }
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| 177 | BOOL IsEmfPlusOnly() const
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| 178 | {
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| 179 | return Type == MetafileTypeEmfPlusOnly;
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| 180 | }
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| 181 | BOOL IsWmf() const
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| 182 | {
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| 183 | return Type == MetafileTypeWmf
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| 184 | || Type == MetafileTypeWmfPlaceable;
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| 185 | }
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| 186 | BOOL IsWmfPlaceable() const
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| 187 | {
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| 188 | return Type == MetafileTypeWmfPlaceable;
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| 189 | }
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| 190 | #endif
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| 191 | } MetafileHeader;
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| 192 |
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| 193 | #endif /* __GDIPLUS_METAHEADER_H */
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