src/mac/metafile.cpp

   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
  40 extern bool wxClipboardIsOpen;
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
  43 IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
  44
  45 /*
  46  * Metafiles
  47  * Currently, the only purpose for making a metafile is to put
  48  * it on the clipboard.
  49  */
  50
  51 wxMetafileRefData::wxMetafileRefData(void)
  52 {
  53     m_metafile = 0;
  54 }
  55
  56 wxMetafileRefData::~wxMetafileRefData(void)
  57 {
  58     if (m_metafile)
  59     {
  60                                 KillPicture( m_metafile ) ;
  61         m_metafile = 0;
  62     }
  63 }
  64
  65 wxMetaFile::wxMetaFile(const wxString& file)
  66 {
  67     m_refData = new wxMetafileRefData;
  68
  69
  70     M_METAFILEDATA->m_metafile = 0;
  71     wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
  72 /*
  73     if (!file.IsNull() && (file.Cmp("") == 0))
  74         M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
  75 */
  76 }
  77
  78 wxMetaFile::~wxMetaFile()
  79 {
  80 }
  81
  82 bool wxMetaFile::SetClipboard(int width, int height)
  83 {
  84     if (!m_refData)
  85         return FALSE;
  86 /*
  87     bool alreadyOpen=wxClipboardOpen();
  88     if (!alreadyOpen)
  89     {
  90         wxOpenClipboard();
  91         if (!wxEmptyClipboard()) return FALSE;
  92     }
  93     bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height);
  94     if (!alreadyOpen) wxCloseClipboard();
  95     return (bool) success;
  96     */
  97     return TRUE ;
  98 }
  99
 100 bool wxMetaFile::Play(wxDC *dc)
 101 {
 102   if (!m_refData)
 103     return FALSE;
 104
 105         if (!dc->Ok() )
 106                 return FALSE;
 107
 108         dc->MacVerifySetup() ;
 109
 110         {
 111                 PicHandle pict = GetHMETAFILE() ;
 112                 DrawPicture( pict , &(**pict).picFrame ) ;
 113         }
 114 /*
 115     if (!m_refData)
 116         return FALSE;
 117
 118     dc->BeginDrawing();
 119
 120     if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
 121         PlayMetaFile((HDC) dc->GetHDC(), (HMETAFILE) M_METAFILEDATA->m_metafile);
 122
 123     dc->EndDrawing();
 124 */
 125     return TRUE;
 126 }
 127
 128 /*
 129  * Metafile device context
 130  *
 131  */
 132
 133 // Original constructor that does not takes origin and extent. If you use this,
 134 // *DO* give origin/extent arguments to wxMakeMetaFilePlaceable.
 135 wxMetaFileDC::wxMetaFileDC(const wxString& file)
 136 {
 137   m_metaFile = NULL;
 138   m_minX = 10000;
 139   m_minY = 10000;
 140   m_maxX = -10000;
 141   m_maxY = -10000;
 142
 143   wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
 144
 145         m_metaFile = new wxMetaFile("") ;
 146         Rect r={0,0,100,100} ;
 147
 148         m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
 149         ::GetPort( &m_macPort ) ;
 150   m_ok = TRUE ;
 151
 152   SetMapMode(wxMM_TEXT);
 153 }
 154
 155 // New constructor that takes origin and extent. If you use this, don't
 156 // give origin/extent arguments to wxMakeMetaFilePlaceable.
 157
 158 wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg)
 159 {
 160   m_minX = 10000;
 161   m_minY = 10000;
 162   m_maxX = -10000;
 163   m_maxY = -10000;
 164
 165   wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
 166
 167         m_metaFile = new wxMetaFile("") ;
 168         Rect r={yorg,xorg,yorg+yext,xorg+xext} ;
 169
 170         m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
 171         ::GetPort( &m_macPort ) ;
 172   m_ok = TRUE ;
 173
 174   SetMapMode(wxMM_TEXT);
 175 }
 176
 177 wxMetaFileDC::~wxMetaFileDC()
 178 {
 179 }
 180
 181 wxMetaFile *wxMetaFileDC::Close()
 182 {
 183         ClosePicture() ;
 184         return m_metaFile;
 185 }
 186
 187
 188 #endif