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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: metafile.h | |
3 | // Purpose: wxMetaFile, wxMetaFileDC classes | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
bbcdf8bc JS |
8 | // Copyright: (c) Julian Smart |
9 | // Licence: wxWindows licence | |
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10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
12 | ||
bbcdf8bc JS |
13 | #ifndef _WX_METAFIILE_H_ |
14 | #define _WX_METAFIILE_H_ | |
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15 | |
16 | #ifdef __GNUG__ | |
17 | #pragma interface "metafile.h" | |
18 | #endif | |
19 | ||
20 | #include "wx/setup.h" | |
21 | ||
22 | #if USE_METAFILE | |
23 | #include "wx/dc.h" | |
24 | ||
25 | /* | |
26 | * Metafile and metafile device context classes - work in Windows 3.1 only | |
27 | * | |
28 | */ | |
29 | ||
30 | class WXDLLEXPORT wxDC; | |
31 | class WXDLLEXPORT wxMetaFile: public wxObject | |
32 | { | |
33 | DECLARE_DYNAMIC_CLASS(wxMetaFile) | |
34 | public: | |
35 | wxMetaFile(const wxString& file = ""); | |
36 | ~wxMetaFile(void); | |
37 | ||
38 | // After this is called, the metafile cannot be used for anything | |
39 | // since it is now owned by the clipboard. | |
40 | virtual bool SetClipboard(int width = 0, int height = 0); | |
41 | ||
42 | virtual bool Play(wxDC *dc); | |
43 | inline bool Ok(void) { return m_metaFile != 0; }; | |
44 | ||
45 | // Implementation | |
46 | inline WXHANDLE GetHMETAFILE(void) { return m_metaFile; } | |
47 | inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; } | |
48 | inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; } | |
49 | inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } | |
50 | ||
51 | protected: | |
52 | WXHANDLE m_metaFile; | |
53 | int m_windowsMappingMode; | |
54 | }; | |
55 | ||
56 | class WXDLLEXPORT wxMetaFileDC: public wxDC | |
57 | { | |
58 | DECLARE_DYNAMIC_CLASS(wxMetaFileDC) | |
59 | ||
60 | public: | |
61 | // Don't supply origin and extent | |
62 | // Supply them to wxMakeMetaFilePlaceable instead. | |
63 | wxMetaFileDC(const wxString& file = ""); | |
64 | ||
65 | // Supply origin and extent (recommended). | |
66 | // Then don't need to supply them to wxMakeMetaFilePlaceable. | |
67 | wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg); | |
68 | ||
69 | ~wxMetaFileDC(void); | |
70 | ||
71 | // Should be called at end of drawing | |
72 | virtual wxMetaFile *Close(void); | |
73 | virtual void SetMapMode(int mode); | |
74 | virtual void GetTextExtent(const wxString& string, float *x, float *y, | |
75 | float *descent = NULL, float *externalLeading = NULL, | |
76 | wxFont *theFont = NULL, bool use16bit = FALSE); | |
77 | ||
78 | // Implementation | |
79 | inline wxMetaFile *GetMetaFile(void) { return m_metaFile; } | |
80 | inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; } | |
81 | inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; } | |
82 | inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; } | |
83 | ||
84 | protected: | |
85 | int m_windowsMappingMode; | |
86 | wxMetaFile *m_metaFile; | |
87 | }; | |
88 | ||
89 | /* | |
90 | * Pass filename of existing non-placeable metafile, and bounding box. | |
91 | * Adds a placeable metafile header, sets the mapping mode to anisotropic, | |
92 | * and sets the window origin and extent to mimic the MM_TEXT mapping mode. | |
93 | * | |
94 | */ | |
95 | ||
96 | // No origin or extent | |
97 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0); | |
98 | ||
99 | // Optional origin and extent | |
100 | bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale = 1.0, bool useOriginAndExtent = TRUE); | |
101 | ||
102 | #endif // USE_METAFILE | |
103 | #endif | |
bbcdf8bc | 104 | // _WX_METAFIILE_H_ |