www.pudn.com > GdiplusTest16.zip > GdiPlusMetaFile.h
/**************************************************************************\
*
* Copyright (c) 1998-2001, Microsoft Corp. All Rights Reserved.
*
* Module Name:
*
* GdiplusMetafile.h
*
* Abstract:
*
* GDI+ Metafile class
*
\**************************************************************************/
#ifndef _GDIPLUSMETAFILE_H
#define _GDIPLUSMETAFILE_H
class Metafile : public Image
{
public:
friend class Image;
// Playback a metafile from a HMETAFILE
// If deleteWmf is TRUE, then when the metafile is deleted,
// the hWmf will also be deleted. Otherwise, it won't be.
Metafile(IN HMETAFILE hWmf,
IN const WmfPlaceableFileHeader * wmfPlaceableFileHeader,
IN BOOL deleteWmf = FALSE)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipCreateMetafileFromWmf(hWmf, deleteWmf,
wmfPlaceableFileHeader,
&metafile);
SetNativeImage(metafile);
}
// Playback a metafile from a HENHMETAFILE
// If deleteEmf is TRUE, then when the metafile is deleted,
// the hEmf will also be deleted. Otherwise, it won't be.
Metafile(IN HENHMETAFILE hEmf,
IN BOOL deleteEmf = FALSE)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipCreateMetafileFromEmf(hEmf, deleteEmf,
&metafile);
SetNativeImage(metafile);
}
Metafile(IN const WCHAR* filename)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipCreateMetafileFromFile(filename,
&metafile);
SetNativeImage(metafile);
}
// Playback a WMF metafile from a file.
Metafile(IN const WCHAR* filename,
IN const WmfPlaceableFileHeader * wmfPlaceableFileHeader
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipCreateMetafileFromWmfFile(filename,
wmfPlaceableFileHeader,
&metafile);
SetNativeImage(metafile);
}
Metafile(IN IStream* stream)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipCreateMetafileFromStream(stream,
&metafile);
SetNativeImage(metafile);
}
// Record a metafile to memory.
Metafile(
IN HDC referenceHdc,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafile(
referenceHdc, type, NULL, MetafileFrameUnitGdi,
description, &metafile);
SetNativeImage(metafile);
}
// Record a metafile to memory.
Metafile(
IN HDC referenceHdc,
IN const RectF & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafile(
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
// Record a metafile to memory.
Metafile(
IN HDC referenceHdc,
IN const Rect & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileI(
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN const WCHAR* fileName,
IN HDC referenceHdc,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileFileName(fileName,
referenceHdc, type, NULL, MetafileFrameUnitGdi,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN const WCHAR* fileName,
IN HDC referenceHdc,
IN const RectF & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileFileName(fileName,
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN const WCHAR* fileName,
IN HDC referenceHdc,
IN const Rect & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileFileNameI(fileName,
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN IStream * stream,
IN HDC referenceHdc,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileStream(stream,
referenceHdc, type, NULL, MetafileFrameUnitGdi,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN IStream * stream,
IN HDC referenceHdc,
IN const RectF & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileStream(stream,
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
Metafile(
IN IStream * stream,
IN HDC referenceHdc,
IN const Rect & frameRect,
IN MetafileFrameUnit frameUnit = MetafileFrameUnitGdi,
IN EmfType type = EmfTypeEmfPlusDual,
IN const WCHAR * description = NULL
)
{
GpMetafile * metafile = NULL;
lastResult = DllExports::GdipRecordMetafileStreamI(stream,
referenceHdc, type, &frameRect, frameUnit,
description, &metafile);
SetNativeImage(metafile);
}
static Status GetMetafileHeader(
IN HMETAFILE hWmf,
IN const WmfPlaceableFileHeader * wmfPlaceableFileHeader,
OUT MetafileHeader * header
)
{
return DllExports::GdipGetMetafileHeaderFromWmf(hWmf,
wmfPlaceableFileHeader,
header);
}
static Status GetMetafileHeader(
IN HENHMETAFILE hEmf,
OUT MetafileHeader * header
)
{
return DllExports::GdipGetMetafileHeaderFromEmf(hEmf, header);
}
static Status GetMetafileHeader(
IN const WCHAR* filename,
OUT MetafileHeader * header
)
{
return DllExports::GdipGetMetafileHeaderFromFile(filename, header);
}
static Status GetMetafileHeader(
IN IStream * stream,
OUT MetafileHeader * header
)
{
return DllExports::GdipGetMetafileHeaderFromStream(stream, header);
}
Status GetMetafileHeader(
OUT MetafileHeader * header
) const
{
return SetStatus(DllExports::GdipGetMetafileHeaderFromMetafile(
(GpMetafile *)nativeImage,
header));
}
// Once this method is called, the Metafile object is in an invalid state
// and can no longer be used. It is the responsiblity of the caller to
// invoke DeleteEnhMetaFile to delete this hEmf.
HENHMETAFILE GetHENHMETAFILE()
{
HENHMETAFILE hEmf;
SetStatus(DllExports::GdipGetHemfFromMetafile(
(GpMetafile *)nativeImage,
&hEmf));
return hEmf;
}
// Used in conjuction with Graphics::EnumerateMetafile to play an EMF+
// The data must be DWORD aligned if it's an EMF or EMF+. It must be
// WORD aligned if it's a WMF.
Status PlayRecord(
IN EmfPlusRecordType recordType,
IN UINT flags,
IN UINT dataSize,
IN const BYTE * data
) const
{
return SetStatus(DllExports::GdipPlayMetafileRecord(
(GpMetafile *)nativeImage,
recordType,
flags,
dataSize,
data));
}
// If you're using a printer HDC for the metafile, but you want the
// metafile rasterized at screen resolution, then use this API to set
// the rasterization dpi of the metafile to the screen resolution,
// e.g. 96 dpi or 120 dpi.
Status SetDownLevelRasterizationLimit(
IN UINT metafileRasterizationLimitDpi
)
{
return SetStatus(DllExports::
GdipSetMetafileDownLevelRasterizationLimit(
(GpMetafile *)nativeImage,
metafileRasterizationLimitDpi));
}
UINT GetDownLevelRasterizationLimit() const
{
UINT metafileRasterizationLimitDpi = 0;
SetStatus(DllExports::GdipGetMetafileDownLevelRasterizationLimit(
(GpMetafile *)nativeImage,
&metafileRasterizationLimitDpi));
return metafileRasterizationLimitDpi;
}
static UINT Metafile::EmfToWmfBits(
IN HENHMETAFILE hemf,
IN UINT cbData16,
IN LPBYTE pData16,
IN INT iMapMode = MM_ANISOTROPIC,
IN EmfToWmfBitsFlags eFlags = EmfToWmfBitsFlagsDefault
)
{
return DllExports::GdipEmfToWmfBits(
hemf,
cbData16,
pData16,
iMapMode,
eFlags);
}
protected:
Metafile()
{
SetNativeImage(NULL);
lastResult = Ok;
}
private:
Metafile(const Metafile &);
Metafile& operator=(const Metafile &);
};
#endif // !_METAFILE_H