X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..49828363f8186e48468606143820b02b4dbc8a43:/include/wx/msw/metafile.h diff --git a/include/wx/msw/metafile.h b/include/wx/msw/metafile.h index c4c0665ed7..ec1237bf29 100644 --- a/include/wx/msw/metafile.h +++ b/include/wx/msw/metafile.h @@ -5,13 +5,13 @@ // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __METAFIILEH__ -#define __METAFIILEH__ +#ifndef _WX_METAFIILE_H_ +#define _WX_METAFIILE_H_ #ifdef __GNUG__ #pragma interface "metafile.h" @@ -19,86 +19,161 @@ #include "wx/setup.h" -#if USE_METAFILE +#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 { - DECLARE_DYNAMIC_CLASS(wxMetaFile) + 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) public: - wxMetaFile(const wxString& file = ""); - ~wxMetaFile(void); + // 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); - inline bool Ok(void) { return m_metaFile != 0; }; + inline bool Ok(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); }; // 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; } + 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) { return m_refData == metafile.m_refData; } + inline bool operator != (const wxMetafile& metafile) { return m_refData != metafile.m_refData; } protected: - WXHANDLE m_metaFile; - int m_windowsMappingMode; }; -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(void); + ~wxMetafileDC(void); // Should be called at end of drawing - virtual wxMetaFile *Close(void); + 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(void) { return m_metaFile; } - inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } - inline int GetWindowsMappingMode(void) { 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; }; /* * 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); +#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); -#endif // USE_METAFILE +// ---------------------------------------------------------------------------- +// 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 - // __METAFIILEH__ + // _WX_METAFIILE_H_ +