X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..05d344d2ef02d074d84f735ecb4d520b0c8ce455:/include/wx/os2/metafile.h diff --git a/include/wx/os2/metafile.h b/include/wx/os2/metafile.h index e4be296d92..996c190f83 100644 --- a/include/wx/os2/metafile.h +++ b/include/wx/os2/metafile.h @@ -3,85 +3,129 @@ // Purpose: wxMetaFile, wxMetaFileDC classes. // This probably should be restricted to Windows platforms, // but if there is an equivalent on your platform, great. -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 10/10/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_METAFIILE_H_ #define _WX_METAFIILE_H_ -#ifdef __GNUG__ -#pragma interface "metafile.h" -#endif - #include "wx/setup.h" +#if wxUSE_METAFILE +#include "wx/dc.h" +#include "wx/gdiobj.h" + +#if wxUSE_DRAG_AND_DROP +#include "wx/dataobj.h" +#endif + /* - * Metafile and metafile device context classes - work in Windows 3.1 only + * Metafile and metafile device context classes * */ -class WXDLLEXPORT wxDC; -class WXDLLEXPORT wxMetaFile: public wxObject +#define wxMetaFile wxMetafile +#define wxMetaFileDC wxMetafileDC + +class WXDLLEXPORT wxMetafile; + +class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData +{ + friend class WXDLLEXPORT wxMetafile; +public: + wxMetafileRefData(void); + ~wxMetafileRefData(void); + +public: + WXHANDLE m_metafile; + int m_windowsMappingMode; +}; + +#define M_METAFILEDATA ((wxMetafileRefData *)m_refData) + +class WXDLLEXPORT wxMetafile: public wxGDIObject { - DECLARE_DYNAMIC_CLASS(wxMetaFile) + DECLARE_DYNAMIC_CLASS(wxMetafile) public: - wxMetaFile(const wxString& file = ""); - ~wxMetaFile(); + // Copy constructor + inline wxMetafile(const wxMetafile& metafile) + { Ref(metafile); } + + wxMetafile(const wxString& file = ""); + ~wxMetafile(void); // After this is called, the metafile cannot be used for anything // since it is now owned by the clipboard. virtual bool SetClipboard(int width = 0, int height = 0); virtual bool Play(wxDC *dc); - // TODO - inline bool Ok() { return FALSE; }; + inline bool Ok(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); }; -/* TODO: Implementation - inline WXHANDLE GetHMETAFILE() { return m_metaFile; } - inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; } + // Implementation + inline WXHANDLE GetHMETAFILE(void) { return M_METAFILEDATA->m_metafile; } + void SetHMETAFILE(WXHANDLE mf) ; + inline int GetWindowsMappingMode(void) { return M_METAFILEDATA->m_windowsMappingMode; } + void SetWindowsMappingMode(int mm); + + // Operators + inline wxMetafile& operator = (const wxMetafile& metafile) + { if (*this == metafile) return (*this); Ref(metafile); return *this; } + inline bool operator== (const wxMetafile& metafile) const + { return m_refData == metafile.m_refData; } + inline bool operator!= (const wxMetafile& metafile) const + { return m_refData != metafile.m_refData; } protected: - WXHANDLE m_metaFile; -*/ }; -class WXDLLEXPORT wxMetaFileDC: public wxDC +class WXDLLEXPORT wxMetafileDC: public wxDC { - DECLARE_DYNAMIC_CLASS(wxMetaFileDC) + DECLARE_DYNAMIC_CLASS(wxMetafileDC) public: // Don't supply origin and extent // Supply them to wxMakeMetaFilePlaceable instead. - wxMetaFileDC(const wxString& file = ""); + wxMetafileDC(const wxString& file = ""); // Supply origin and extent (recommended). // Then don't need to supply them to wxMakeMetaFilePlaceable. - wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg); + wxMetafileDC(const wxString& file, int xext, int yext, int xorg, int yorg); - ~wxMetaFileDC(); + ~wxMetafileDC(void); // Should be called at end of drawing - virtual wxMetaFile *Close(); + virtual wxMetafile *Close(void); virtual void SetMapMode(int mode); - virtual void GetTextExtent(const wxString& string, float *x, float *y, - float *descent = NULL, float *externalLeading = NULL, - wxFont *theFont = NULL, bool use16bit = FALSE); + virtual void GetTextExtent(const wxString& string, long *x, long *y, + long *descent = NULL, long *externalLeading = NULL, + wxFont *theFont = NULL, bool use16bit = FALSE) const; // Implementation - inline wxMetaFile *GetMetaFile() { return m_metaFile; } - inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } - inline int GetWindowsMappingMode() { return m_windowsMappingMode; } + inline wxMetafile *GetMetaFile(void) const { return m_metaFile; } + inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; } + inline int GetWindowsMappingMode(void) const { return m_windowsMappingMode; } inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } protected: - int m_windowsMappingMode; - wxMetaFile *m_metaFile; + int m_windowsMappingMode; + wxMetafile* m_metaFile; + +private: + // function hiding warning supression + inline virtual void GetTextExtent( const wxString& string + ,long* width + ,long* height + ,long* descent = NULL + ,long* externalLeading = NULL + ,wxFont* theFont = NULL + ) const + { GetTextExtent( string, width, height, descent, externalLeading, theFont, FALSE);}; }; /* @@ -92,10 +136,56 @@ protected: */ // No origin or extent -bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0); +#define wxMakeMetaFilePlaceable wxMakeMetafilePlaceable +bool WXDLLEXPORT wxMakeMetafilePlaceable(const wxString& filename, float scale = 1.0); // Optional origin and extent bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale = 1.0, bool useOriginAndExtent = TRUE); +// ---------------------------------------------------------------------------- +// wxMetafileDataObject is a specialization of wxDataObject for metafile data +// ---------------------------------------------------------------------------- + +// TODO: implement OLE side of things. At present, it's just for clipboard +// use. + +#if wxUSE_DRAG_AND_DROP +class WXDLLEXPORT wxMetafileDataObject : public wxDataObject +{ +public: + // ctors + wxMetafileDataObject() { m_width = 0; m_height = 0; }; + wxMetafileDataObject(const wxMetafile& metafile, int width = 0, int height = 0): + m_metafile(metafile), m_width(width), m_height(height) { } + + void SetMetafile(const wxMetafile& metafile, int w = 0, int h = 0) + { m_metafile = metafile; m_width = w; m_height = h; } + wxMetafile GetMetafile() const { return m_metafile; } + int GetWidth() const { return m_width; } + int GetHeight() const { return m_height; } + + virtual wxDataFormat GetFormat() const { return wxDF_METAFILE; } + +/* ?? + // implement base class pure virtuals + virtual wxDataFormat GetPreferredFormat() const + { return (wxDataFormat) wxDataObject::Text; } + virtual bool IsSupportedFormat(wxDataFormat format) const + { return format == wxDataObject::Text || format == wxDataObject::Locale; } + virtual size_t GetDataSize() const + { return m_strText.Len() + 1; } // +1 for trailing '\0'of course + virtual void GetDataHere(void *pBuf) const + { memcpy(pBuf, m_strText.c_str(), GetDataSize()); } +*/ + +private: + wxMetafile m_metafile; + int m_width; + int m_height; +}; +#endif + +#endif // wxUSE_METAFILE #endif // _WX_METAFIILE_H_ +