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1/////////////////////////////////////////////////////////////////////////////
2// Name: metafile.cpp
3// Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional.
4// Author: AUTHOR
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) AUTHOR
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "metafile.h"
14#endif
15
16// For compilers that support precompilation, includes "wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#endif
22
23#ifndef WX_PRECOMP
24#include "wx/setup.h"
25#endif
26
27#if wxUSE_METAFILE
28
29#ifndef WX_PRECOMP
30#include "wx/utils.h"
31#include "wx/app.h"
32#endif
33
34#include "wx/metafile.h"
35#include "wx/clipbrd.h"
36
37#include <stdio.h>
38#include <string.h>
39
40extern bool wxClipboardIsOpen;
41
42#if !USE_SHARED_LIBRARY
43IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
44IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
45#endif
46
47/*
48 * Metafiles
49 * Currently, the only purpose for making a metafile is to put
50 * it on the clipboard.
51 */
52
53wxMetafileRefData::wxMetafileRefData(void)
54{
55 m_metafile = 0;
56}
57
58wxMetafileRefData::~wxMetafileRefData(void)
59{
60 if (m_metafile)
61 {
62 KillPicture( m_metafile ) ;
63 m_metafile = 0;
64 }
65}
66
67wxMetaFile::wxMetaFile(const wxString& file)
68{
69 m_refData = new wxMetafileRefData;
70
71
72 M_METAFILEDATA->m_metafile = 0;
73 wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
74/*
75 if (!file.IsNull() && (file.Cmp("") == 0))
76 M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
77*/
78}
79
80wxMetaFile::~wxMetaFile()
81{
82}
83
84bool wxMetaFile::SetClipboard(int width, int height)
85{
86 if (!m_refData)
87 return FALSE;
88
89 bool alreadyOpen=wxClipboardOpen();
90 if (!alreadyOpen)
91 {
92 wxOpenClipboard();
93 if (!wxEmptyClipboard()) return FALSE;
94 }
95 bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height);
96 if (!alreadyOpen) wxCloseClipboard();
97 return (bool) success;
98
99 return TRUE ;
100}
101
102void wxMetafile::SetHMETAFILE(PicHandle mf)
103{
104 if (!m_refData)
105 m_refData = new wxMetafileRefData;
106
107 M_METAFILEDATA->m_metafile = mf;
108}
109
110bool wxMetaFile::Play(wxDC *dc)
111{
112 if (!m_refData)
113 return FALSE;
114
115 if (!dc->Ok() )
116 return FALSE;
117
118 {
119 wxMacPortSetter helper( dc ) ;
120 PicHandle pict = GetHMETAFILE() ;
121 DrawPicture( pict , &(**pict).picFrame ) ;
122 }
123 return TRUE;
124}
125
126/*
127 * Metafile device context
128 *
129 */
130
131// Original constructor that does not takes origin and extent. If you use this,
132// *DO* give origin/extent arguments to wxMakeMetaFilePlaceable.
133wxMetaFileDC::wxMetaFileDC(const wxString& file)
134{
135 m_metaFile = NULL;
136 m_minX = 10000;
137 m_minY = 10000;
138 m_maxX = -10000;
139 m_maxY = -10000;
140
141 wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
142
143 m_metaFile = new wxMetaFile("") ;
144 Rect r={0,0,1000,1000} ;
145
146 m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
147 ::GetPort( &m_macPort ) ;
148 m_ok = TRUE ;
149
150 SetMapMode(wxMM_TEXT);
151}
152
153// New constructor that takes origin and extent. If you use this, don't
154// give origin/extent arguments to wxMakeMetaFilePlaceable.
155
156wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg)
157{
158 m_minX = 10000;
159 m_minY = 10000;
160 m_maxX = -10000;
161 m_maxY = -10000;
162
163 wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
164
165 m_metaFile = new wxMetaFile("") ;
166 Rect r={yorg,xorg,yorg+yext,xorg+xext} ;
167
168 m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
169 ::GetPort( &m_macPort ) ;
170 m_ok = TRUE ;
171
172 SetMapMode(wxMM_TEXT);
173}
174
175wxMetaFileDC::~wxMetaFileDC()
176{
177}
178
179wxMetaFile *wxMetaFileDC::Close()
180{
181 ClosePicture() ;
182 return m_metaFile;
183}
184
185#endif