X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f555861b7e50f335c7b929bb76be38e9ebd69c5..54892273481657ae3b855cf5d40e328f38b6408c:/include/wx/msw/metafile.h diff --git a/include/wx/msw/metafile.h b/include/wx/msw/metafile.h index 60d3c1db50..5bca9a99f0 100644 --- a/include/wx/msw/metafile.h +++ b/include/wx/msw/metafile.h @@ -1,104 +1,167 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: metafile.h -// Purpose: wxMetaFile, wxMetaFileDC classes +// Name: wx/msw/metafile.h +// Purpose: wxMetaFile, wxMetaFileDC and wxMetaFileDataObject classes // Author: Julian Smart -// Modified by: +// Modified by: VZ 07.01.00: implemented wxMetaFileDataObject // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef _WX_METAFIILE_H_ #define _WX_METAFIILE_H_ -#ifdef __GNUG__ -#pragma interface "metafile.h" -#endif - -#include "wx/setup.h" - -#if USE_METAFILE #include "wx/dc.h" +#include "wx/gdiobj.h" -/* - * Metafile and metafile device context classes - work in Windows 3.1 only - * - */ +#if wxUSE_DRAG_AND_DROP + #include "wx/dataobj.h" +#endif -class WXDLLEXPORT wxDC; -class WXDLLEXPORT wxMetaFile: public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxMetaFile) - public: - wxMetaFile(const wxString& file = ""); - ~wxMetaFile(void); +// ---------------------------------------------------------------------------- +// Metafile and metafile device context classes +// ---------------------------------------------------------------------------- - // 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); +class WXDLLEXPORT wxMetafile; - virtual bool Play(wxDC *dc); - inline bool Ok(void) { return m_metaFile != 0; }; +class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData +{ + friend class WXDLLEXPORT wxMetafile; +public: + wxMetafileRefData(); + ~wxMetafileRefData(); + +public: + WXHANDLE m_metafile; + int m_windowsMappingMode; + int m_width, m_height; +}; - // Implementation - inline WXHANDLE GetHMETAFILE(void) { return m_metaFile; } - inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; } - inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; } - inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } +#define M_METAFILEDATA ((wxMetafileRefData *)m_refData) -protected: - WXHANDLE m_metaFile; - int m_windowsMappingMode; +class WXDLLEXPORT wxMetafile: public wxGDIObject +{ +public: + wxMetafile(const wxString& file = wxEmptyString); + wxMetafile(const wxMetafile& metafile) { Ref(metafile); } + virtual ~wxMetafile(); + + // 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); + bool Ok() const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); }; + + // set/get the size of metafile for clipboard operations + wxSize GetSize() const { return wxSize(GetWidth(), GetHeight()); } + int GetWidth() const { return M_METAFILEDATA->m_width; } + int GetHeight() const { return M_METAFILEDATA->m_height; } + + void SetWidth(int width) { M_METAFILEDATA->m_width = width; } + void SetHeight(int height) { M_METAFILEDATA->m_height = height; } + + // Implementation + WXHANDLE GetHMETAFILE() const { return M_METAFILEDATA->m_metafile; } + void SetHMETAFILE(WXHANDLE mf) ; + int GetWindowsMappingMode() const { return M_METAFILEDATA->m_windowsMappingMode; } + void SetWindowsMappingMode(int mm); + + // Operators + wxMetafile& operator=(const wxMetafile& metafile) + { if (*this != metafile) Ref(metafile); return *this; } + bool operator==(const wxMetafile& metafile) const + { return m_refData == metafile.m_refData; } + bool operator!=(const wxMetafile& metafile) const + { return m_refData != metafile.m_refData; } + +private: + DECLARE_DYNAMIC_CLASS(wxMetafile) }; -class WXDLLEXPORT wxMetaFileDC: public wxDC +class WXDLLEXPORT wxMetafileDC: public wxDC { - DECLARE_DYNAMIC_CLASS(wxMetaFileDC) - - public: - // Don't supply origin and extent - // Supply them to wxMakeMetaFilePlaceable instead. - wxMetaFileDC(const wxString& file = ""); +public: + // Don't supply origin and extent + // Supply them to wxMakeMetaFilePlaceable instead. + wxMetafileDC(const wxString& file = wxEmptyString); + + // 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); + + virtual ~wxMetafileDC(); + + // Should be called at end of drawing + virtual wxMetafile *Close(); + virtual void SetMapMode(int mode); + virtual void GetTextExtent(const wxString& string, long *x, long *y, + long *descent = NULL, long *externalLeading = NULL, + wxFont *theFont = NULL, bool use16bit = false) const; + + // Implementation + wxMetafile *GetMetaFile() const { return m_metaFile; } + void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; } + int GetWindowsMappingMode() const { return m_windowsMappingMode; } + void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } - // 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(void); - - // Should be called at end of drawing - virtual wxMetaFile *Close(void); - virtual void SetMapMode(int mode); - virtual void GetTextExtent(const wxString& string, long *x, long *y, - long *descent = NULL, long *externalLeading = NULL, - wxFont *theFont = NULL, bool use16bit = FALSE) const; +protected: + virtual void DoGetSize(int *width, int *height) const; - // Implementation - inline wxMetaFile *GetMetaFile(void) { return m_metaFile; } - inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } - inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; } - inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } + int m_windowsMappingMode; + wxMetafile* m_metaFile; -protected: - int m_windowsMappingMode; - wxMetaFile *m_metaFile; +private: + DECLARE_DYNAMIC_CLASS(wxMetafileDC) }; /* * Pass filename of existing non-placeable metafile, and bounding box. * Adds a placeable metafile header, sets the mapping mode to anisotropic, - * and sets the window origin and extent to mimic the MM_TEXT mapping mode. + * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode. * */ // No origin or extent -bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0); +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); +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 +// ---------------------------------------------------------------------------- + +#if wxUSE_DRAG_AND_DROP + +class WXDLLEXPORT wxMetafileDataObject : public wxDataObjectSimple +{ +public: + // ctors + wxMetafileDataObject() : wxDataObjectSimple(wxDF_METAFILE) + { } + wxMetafileDataObject(const wxMetafile& metafile) + : wxDataObjectSimple(wxDF_METAFILE), m_metafile(metafile) { } + + // virtual functions which you may override if you want to provide data on + // demand only - otherwise, the trivial default versions will be used + virtual void SetMetafile(const wxMetafile& metafile) + { m_metafile = metafile; } + virtual wxMetafile GetMetafile() const + { return m_metafile; } + + // implement base class pure virtuals + virtual size_t GetDataSize() const; + virtual bool GetDataHere(void *buf) const; + virtual bool SetData(size_t len, const void *buf); + +protected: + wxMetafile m_metafile; +}; + +#endif // wxUSE_DRAG_AND_DROP -#endif // USE_METAFILE #endif // _WX_METAFIILE_H_ +