| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: metafile.h |
| | 3 | // Purpose: wxMetaFile, wxMetaFileDC classes. |
| | 4 | // This probably should be restricted to Windows platforms, |
| | 5 | // but if there is an equivalent on your platform, great. |
| | 6 | // Author: AUTHOR |
| | 7 | // Modified by: |
| | 8 | // Created: ??/??/98 |
| | 9 | // RCS-ID: $Id$ |
| | 10 | // Copyright: (c) AUTHOR |
| | 11 | // Licence: wxWindows licence |
| | 12 | ///////////////////////////////////////////////////////////////////////////// |
| | 13 | |
| | 14 | |
| | 15 | #ifndef _WX_METAFIILE_H_ |
| | 16 | #define _WX_METAFIILE_H_ |
| | 17 | |
| | 18 | #ifdef __GNUG__ |
| | 19 | #pragma interface "metafile.h" |
| | 20 | #endif |
| | 21 | |
| | 22 | #include "wx/setup.h" |
| | 23 | |
| | 24 | /* |
| | 25 | * Metafile and metafile device context classes - work in Windows 3.1 only |
| | 26 | * |
| | 27 | */ |
| | 28 | |
| | 29 | class WXDLLEXPORT wxDC; |
| | 30 | class WXDLLEXPORT wxMetaFile: public wxObject |
| | 31 | { |
| | 32 | DECLARE_DYNAMIC_CLASS(wxMetaFile) |
| | 33 | public: |
| | 34 | wxMetaFile(const wxString& file = ""); |
| | 35 | ~wxMetaFile(); |
| | 36 | |
| | 37 | // After this is called, the metafile cannot be used for anything |
| | 38 | // since it is now owned by the clipboard. |
| | 39 | virtual bool SetClipboard(int width = 0, int height = 0); |
| | 40 | |
| | 41 | virtual bool Play(wxDC *dc); |
| | 42 | inline bool Ok() { return m_metaFile != 0; }; |
| | 43 | |
| | 44 | /* TODO: Implementation |
| | 45 | inline WXHANDLE GetHMETAFILE() { return m_metaFile; } |
| | 46 | inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; } |
| | 47 | |
| | 48 | protected: |
| | 49 | WXHANDLE m_metaFile; |
| | 50 | */ |
| | 51 | }; |
| | 52 | |
| | 53 | class WXDLLEXPORT wxMetaFileDC: public wxDC |
| | 54 | { |
| | 55 | DECLARE_DYNAMIC_CLASS(wxMetaFileDC) |
| | 56 | |
| | 57 | public: |
| | 58 | // Don't supply origin and extent |
| | 59 | // Supply them to wxMakeMetaFilePlaceable instead. |
| | 60 | wxMetaFileDC(const wxString& file = ""); |
| | 61 | |
| | 62 | // Supply origin and extent (recommended). |
| | 63 | // Then don't need to supply them to wxMakeMetaFilePlaceable. |
| | 64 | wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg); |
| | 65 | |
| | 66 | ~wxMetaFileDC(); |
| | 67 | |
| | 68 | // Should be called at end of drawing |
| | 69 | virtual wxMetaFile *Close(); |
| | 70 | virtual void SetMapMode(int mode); |
| | 71 | virtual void GetTextExtent(const wxString& string, float *x, float *y, |
| | 72 | float *descent = NULL, float *externalLeading = NULL, |
| | 73 | wxFont *theFont = NULL, bool use16bit = FALSE); |
| | 74 | |
| | 75 | // Implementation |
| | 76 | inline wxMetaFile *GetMetaFile() { return m_metaFile; } |
| | 77 | inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } |
| | 78 | inline int GetWindowsMappingMode() { return m_windowsMappingMode; } |
| | 79 | inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } |
| | 80 | |
| | 81 | protected: |
| | 82 | int m_windowsMappingMode; |
| | 83 | wxMetaFile *m_metaFile; |
| | 84 | }; |
| | 85 | |
| | 86 | /* |
| | 87 | * Pass filename of existing non-placeable metafile, and bounding box. |
| | 88 | * Adds a placeable metafile header, sets the mapping mode to anisotropic, |
| | 89 | * and sets the window origin and extent to mimic the MM_TEXT mapping mode. |
| | 90 | * |
| | 91 | */ |
| | 92 | |
| | 93 | // No origin or extent |
| | 94 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0); |
| | 95 | |
| | 96 | // Optional origin and extent |
| | 97 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale = 1.0, bool useOriginAndExtent = TRUE); |
| | 98 | |
| | 99 | #endif |
| | 100 | // _WX_METAFIILE_H_ |
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