projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 9b6dbb09 JS |
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: Julian Smart | |
| 7 | // Modified by: | |
| 8 | // Created: 17/09/98 | |
| 9 | // RCS-ID: $Id$ | |
| 10 | // Copyright: (c) Julian Smart | |
| 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 | // TODO | |
| 43 | inline bool Ok() { return FALSE; }; | |
| 44 | ||
| 45 | /* TODO: Implementation | |
| 46 | inline WXHANDLE GetHMETAFILE() { return m_metaFile; } | |
| 47 | inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; } | |
| 48 | ||
| 49 | protected: | |
| 50 | WXHANDLE m_metaFile; | |
| 51 | */ | |
| 52 | }; | |
| 53 | ||
| 54 | class WXDLLEXPORT wxMetaFileDC: public wxDC | |
| 55 | { | |
| 56 | DECLARE_DYNAMIC_CLASS(wxMetaFileDC) | |
| 57 | ||
| 58 | public: | |
| 59 | // Don't supply origin and extent | |
| 60 | // Supply them to wxMakeMetaFilePlaceable instead. | |
| 61 | wxMetaFileDC(const wxString& file = ""); | |
| 62 | ||
| 63 | // Supply origin and extent (recommended). | |
| 64 | // Then don't need to supply them to wxMakeMetaFilePlaceable. | |
| 65 | wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg); | |
| 66 | ||
| 67 | ~wxMetaFileDC(); | |
| 68 | ||
| 69 | // Should be called at end of drawing | |
| 70 | virtual wxMetaFile *Close(); | |
| 71 | virtual void SetMapMode(int mode); | |
| 72 | virtual void GetTextExtent(const wxString& string, float *x, float *y, | |
| 73 | float *descent = NULL, float *externalLeading = NULL, | |
| 74 | wxFont *theFont = NULL, bool use16bit = FALSE); | |
| 75 | ||
| 76 | // Implementation | |
| 77 | inline wxMetaFile *GetMetaFile() { return m_metaFile; } | |
| 78 | inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } | |
| 79 | inline int GetWindowsMappingMode() { return m_windowsMappingMode; } | |
| 80 | inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } | |
| 81 | ||
| 82 | protected: | |
| 83 | int m_windowsMappingMode; | |
| 84 | wxMetaFile *m_metaFile; | |
| 85 | }; | |
| 86 | ||
| 87 | /* | |
| 88 | * Pass filename of existing non-placeable metafile, and bounding box. | |
| 89 | * Adds a placeable metafile header, sets the mapping mode to anisotropic, | |
| e3065973 | 90 | * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode. |
| 9b6dbb09 JS |
91 | * |
| 92 | */ | |
| 93 | ||
| 94 | // No origin or extent | |
| 95 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0); | |
| 96 | ||
| 97 | // Optional origin and extent | |
| 98 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale = 1.0, bool useOriginAndExtent = TRUE); | |
| 99 | ||
| 100 | #endif | |
| 101 | // _WX_METAFIILE_H_ |