GdiPlusMetaFile.h
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上传日期:2022-07-17
资源大小:10774k
文件大小:12k
源码类别:
GDI/图象编程
开发平台:
Visual C++
- /**************************************************************************
- *
- * Copyright (c) 1998-2000, Microsoft Corp. All Rights Reserved.
- *
- * Module Name:
- *
- * GdiplusMetafile.h
- *
- * Abstract:
- *
- * Metafile related declarations
- *
- **************************************************************************/
- #ifndef _GDIPLUSMETAFILE_H
- #define _GDIPLUSMETAFILE_H
- class Metafile : public Image
- {
- public:
- friend class Image;
- // Read a metafile
- Metafile()
- {
- SetNativeImage(NULL);
- lastResult = Ok;
- }
- // 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 APMFileHeader * apmFileHeader,
- IN BOOL deleteWmf = FALSE)
- {
- GpMetafile * metafile = NULL;
- lastResult = DllExports::GdipCreateMetafileFromWmf(hWmf, deleteWmf, apmFileHeader, &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);
- }
- // Playback a metafile from a file
- 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 APMFileHeader * apmFileHeader
- )
- {
- GpMetafile * metafile = NULL;
- lastResult = DllExports::GdipCreateMetafileFromWmfFile(filename, apmFileHeader, &metafile);
- SetNativeImage(metafile);
- }
- // Playback a metafile from a stream
- 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);
- }
- // Record a metafile to a file
- 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);
- }
- // Record a metafile to a file
- 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);
- }
- // Record a metafile to a file
- 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);
- }
- // Record a metafile to a stream
- 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);
- }
- // Record a metafile to a stream
- 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);
- }
- // Write a metafile to a stream with down-level GDI records
- 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 APMFileHeader * apmFileHeader,
- OUT MetafileHeader * header
- )
- {
- return DllExports::GdipGetMetafileHeaderFromWmf(hWmf, apmFileHeader, 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);
- }
- #ifdef DCR_USE_NEW_250932
- private:
- Metafile(const Metafile &);
- Metafile& operator=(const Metafile &);
- #endif
- };
- #endif // !_METAFILE_H