]> git.saurik.com Git - wxWidgets.git/blame - include/wx/os2/metafile.h
remove extra ';'
[wxWidgets.git] / include / wx / os2 / metafile.h
CommitLineData
0e320a79
DW
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.
75f11ad7 6// Author: David Webster
0e320a79 7// Modified by:
75f11ad7 8// Created: 10/10/99
0e320a79 9// RCS-ID: $Id$
75f11ad7 10// Copyright: (c) David Webster
65571936 11// Licence: wxWindows licence
0e320a79
DW
12/////////////////////////////////////////////////////////////////////////////
13
14
15#ifndef _WX_METAFIILE_H_
16#define _WX_METAFIILE_H_
17
a419c3b1 18#include "wx/dc.h"
75f11ad7
DW
19#include "wx/gdiobj.h"
20
21#if wxUSE_DRAG_AND_DROP
22#include "wx/dataobj.h"
23#endif
0e320a79
DW
24
25/*
75f11ad7 26 * Metafile and metafile device context classes
0e320a79
DW
27 *
28 */
29
75f11ad7
DW
30#define wxMetaFile wxMetafile
31#define wxMetaFileDC wxMetafileDC
32
b5dbe15d 33class WXDLLIMPEXP_FWD_CORE wxMetafile;
75f11ad7
DW
34
35class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
36{
b5dbe15d 37 friend class WXDLLIMPEXP_FWD_CORE wxMetafile;
75f11ad7
DW
38public:
39 wxMetafileRefData(void);
d3c7fc99 40 virtual ~wxMetafileRefData(void);
75f11ad7
DW
41
42public:
43 WXHANDLE m_metafile;
44 int m_windowsMappingMode;
45};
46
47#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
48
49class WXDLLEXPORT wxMetafile: public wxGDIObject
0e320a79 50{
c40158e4
WS
51 DECLARE_DYNAMIC_CLASS(wxMetafile)
52public:
c40158e4 53 wxMetafile(const wxString& file = wxEmptyString);
d3c7fc99 54 virtual ~wxMetafile(void);
c40158e4
WS
55
56 // After this is called, the metafile cannot be used for anything
57 // since it is now owned by the clipboard.
58 virtual bool SetClipboard(int width = 0, int height = 0);
59
60 virtual bool Play(wxDC *dc);
b7cacb43
VZ
61 inline bool Ok() const { return IsOk(); }
62 inline bool IsOk(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
c40158e4
WS
63
64 // Implementation
65 inline WXHANDLE GetHMETAFILE(void) { return M_METAFILEDATA->m_metafile; }
66 void SetHMETAFILE(WXHANDLE mf) ;
67 inline int GetWindowsMappingMode(void) { return M_METAFILEDATA->m_windowsMappingMode; }
68 void SetWindowsMappingMode(int mm);
0e320a79
DW
69};
70
75f11ad7 71class WXDLLEXPORT wxMetafileDC: public wxDC
0e320a79 72{
c40158e4 73 DECLARE_DYNAMIC_CLASS(wxMetafileDC)
0e320a79 74
c40158e4
WS
75public:
76 // Don't supply origin and extent
77 // Supply them to wxMakeMetaFilePlaceable instead.
78 wxMetafileDC(const wxString& file = wxEmptyString);
0e320a79 79
c40158e4
WS
80 // Supply origin and extent (recommended).
81 // Then don't need to supply them to wxMakeMetaFilePlaceable.
82 wxMetafileDC(const wxString& file, int xext, int yext, int xorg, int yorg);
0e320a79 83
d3c7fc99 84 virtual ~wxMetafileDC(void);
0e320a79 85
c40158e4
WS
86 // Should be called at end of drawing
87 virtual wxMetafile *Close(void);
88 virtual void SetMapMode(int mode);
89 virtual void GetTextExtent(const wxString& string, long *x, long *y,
90 long *descent = NULL, long *externalLeading = NULL,
c94f845b 91 const wxFont *theFont = NULL, bool use16bit = false) const;
0e320a79 92
c40158e4
WS
93 // Implementation
94 inline wxMetafile *GetMetaFile(void) const { return m_metaFile; }
95 inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
96 inline int GetWindowsMappingMode(void) const { return m_windowsMappingMode; }
97 inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
0e320a79
DW
98
99protected:
c40158e4
WS
100 int m_windowsMappingMode;
101 wxMetafile* m_metaFile;
75f11ad7
DW
102
103private:
c40158e4
WS
104#ifndef __WATCOMC__
105 // function hiding warning supression
106 // still required ??
107 inline virtual void GetTextExtent( const wxString& string
108 ,long* width
109 ,long* height
110 ,long* descent = NULL
111 ,long* externalLeading = NULL
112 ,wxFont* theFont = NULL
113 ) const
114 { GetTextExtent( string, width, height, descent, externalLeading, theFont, false);};
115#endif
0e320a79
DW
116};
117
118/*
119 * Pass filename of existing non-placeable metafile, and bounding box.
120 * Adds a placeable metafile header, sets the mapping mode to anisotropic,
121 * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
122 *
123 */
124
125// No origin or extent
75f11ad7
DW
126#define wxMakeMetaFilePlaceable wxMakeMetafilePlaceable
127bool WXDLLEXPORT wxMakeMetafilePlaceable(const wxString& filename, float scale = 1.0);
0e320a79
DW
128
129// Optional origin and extent
c40158e4
WS
130bool WXDLLEXPORT wxMakeMetaFilePlaceable( const wxString& filename
131 ,int x1
132 ,int y1
133 ,int x2
134 ,int y2
135 ,float scale = 1.0
136 ,bool useOriginAndExtent = true
137 );
0e320a79 138
75f11ad7
DW
139// ----------------------------------------------------------------------------
140// wxMetafileDataObject is a specialization of wxDataObject for metafile data
141// ----------------------------------------------------------------------------
142
143// TODO: implement OLE side of things. At present, it's just for clipboard
144// use.
145
146#if wxUSE_DRAG_AND_DROP
147class WXDLLEXPORT wxMetafileDataObject : public wxDataObject
148{
149public:
c40158e4
WS
150 // ctors
151 wxMetafileDataObject() { m_width = 0; m_height = 0; };
152 wxMetafileDataObject(const wxMetafile& metafile, int width = 0,int height = 0)
153 :m_metafile(metafile)
154 ,m_width(width)
155 ,m_height(height) { }
75f11ad7 156
c40158e4
WS
157 void SetMetafile(const wxMetafile& metafile, int w = 0, int h = 0)
158 { m_metafile = metafile; m_width = w; m_height = h; }
159 wxMetafile GetMetafile() const { return m_metafile; }
160 int GetWidth() const { return m_width; }
161 int GetHeight() const { return m_height; }
75f11ad7 162
c40158e4 163 virtual wxDataFormat GetFormat() const { return wxDF_METAFILE; }
75f11ad7
DW
164
165/* ??
c40158e4
WS
166 // implement base class pure virtuals
167 virtual wxDataFormat GetPreferredFormat() const
168 { return (wxDataFormat) wxDataObject::Text; }
169 virtual bool IsSupportedFormat(wxDataFormat format) const
170 { return format == wxDataObject::Text || format == wxDataObject::Locale; }
171 virtual size_t GetDataSize() const
172 { return m_strText.Len() + 1; } // +1 for trailing '\0'of course
173 virtual void GetDataHere(void *pBuf) const
174 { memcpy(pBuf, m_strText.c_str(), GetDataSize()); }
75f11ad7
DW
175*/
176
177private:
c40158e4
WS
178 wxMetafile m_metafile;
179 int m_width;
180 int m_height;
75f11ad7
DW
181};
182#endif
183
0e320a79
DW
184#endif
185 // _WX_METAFIILE_H_