| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: metafile.cpp |
| 3 | // Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional. |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Csomor |
| 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 "wx/mac/private.h" |
| 38 | |
| 39 | #include <stdio.h> |
| 40 | #include <string.h> |
| 41 | |
| 42 | extern bool wxClipboardIsOpen; |
| 43 | |
| 44 | #if !USE_SHARED_LIBRARY |
| 45 | IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject) |
| 46 | IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC) |
| 47 | #endif |
| 48 | |
| 49 | /* |
| 50 | * Metafiles |
| 51 | * Currently, the only purpose for making a metafile is to put |
| 52 | * it on the clipboard. |
| 53 | */ |
| 54 | |
| 55 | wxMetafileRefData::wxMetafileRefData(void) |
| 56 | { |
| 57 | m_metafile = 0; |
| 58 | } |
| 59 | |
| 60 | wxMetafileRefData::~wxMetafileRefData(void) |
| 61 | { |
| 62 | if (m_metafile) |
| 63 | { |
| 64 | KillPicture( (PicHandle) m_metafile ) ; |
| 65 | m_metafile = 0; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | wxMetaFile::wxMetaFile(const wxString& file) |
| 70 | { |
| 71 | m_refData = new wxMetafileRefData; |
| 72 | |
| 73 | |
| 74 | M_METAFILEDATA->m_metafile = 0; |
| 75 | wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet") ) ; |
| 76 | /* |
| 77 | if (!file.IsNull() && (file.Cmp("") == 0)) |
| 78 | M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file); |
| 79 | */ |
| 80 | } |
| 81 | |
| 82 | wxMetaFile::~wxMetaFile() |
| 83 | { |
| 84 | } |
| 85 | |
| 86 | bool wxMetaFile::SetClipboard(int width, int height) |
| 87 | { |
| 88 | #if wxUSE_DRAG_AND_DROP |
| 89 | //TODO finishi this port , we need the data obj first |
| 90 | if (!m_refData) |
| 91 | return FALSE; |
| 92 | |
| 93 | bool alreadyOpen=wxTheClipboard->IsOpened() ; |
| 94 | if (!alreadyOpen) |
| 95 | { |
| 96 | wxTheClipboard->Open(); |
| 97 | wxTheClipboard->Clear(); |
| 98 | } |
| 99 | wxDataObject *data = |
| 100 | new wxMetafileDataObject( *this) ; |
| 101 | bool success = wxTheClipboard->SetData(data); |
| 102 | if (!alreadyOpen) |
| 103 | wxTheClipboard->Close(); |
| 104 | return (bool) success; |
| 105 | #endif |
| 106 | return TRUE ; |
| 107 | } |
| 108 | |
| 109 | void wxMetafile::SetHMETAFILE(WXHMETAFILE mf) |
| 110 | { |
| 111 | if (!m_refData) |
| 112 | m_refData = new wxMetafileRefData; |
| 113 | |
| 114 | M_METAFILEDATA->m_metafile = mf; |
| 115 | } |
| 116 | |
| 117 | bool wxMetaFile::Play(wxDC *dc) |
| 118 | { |
| 119 | if (!m_refData) |
| 120 | return FALSE; |
| 121 | |
| 122 | if (!dc->Ok() ) |
| 123 | return FALSE; |
| 124 | |
| 125 | { |
| 126 | wxMacPortSetter helper( dc ) ; |
| 127 | PicHandle pict = (PicHandle) GetHMETAFILE() ; |
| 128 | DrawPicture( pict , &(**pict).picFrame ) ; |
| 129 | } |
| 130 | return TRUE; |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * Metafile device context |
| 135 | * |
| 136 | */ |
| 137 | |
| 138 | // Original constructor that does not takes origin and extent. If you use this, |
| 139 | // *DO* give origin/extent arguments to wxMakeMetaFilePlaceable. |
| 140 | wxMetaFileDC::wxMetaFileDC(const wxString& file) |
| 141 | { |
| 142 | m_metaFile = NULL; |
| 143 | m_minX = 10000; |
| 144 | m_minY = 10000; |
| 145 | m_maxX = -10000; |
| 146 | m_maxY = -10000; |
| 147 | |
| 148 | wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet") ) ; |
| 149 | |
| 150 | m_metaFile = new wxMetaFile(wxEmptyString) ; |
| 151 | Rect r={0,0,1000,1000} ; |
| 152 | |
| 153 | m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ; |
| 154 | ::GetPort( (GrafPtr*) &m_macPort ) ; |
| 155 | m_ok = TRUE ; |
| 156 | |
| 157 | SetMapMode(wxMM_TEXT); |
| 158 | } |
| 159 | |
| 160 | // New constructor that takes origin and extent. If you use this, don't |
| 161 | // give origin/extent arguments to wxMakeMetaFilePlaceable. |
| 162 | |
| 163 | wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg) |
| 164 | { |
| 165 | m_minX = 10000; |
| 166 | m_minY = 10000; |
| 167 | m_maxX = -10000; |
| 168 | m_maxY = -10000; |
| 169 | |
| 170 | wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet")) ; |
| 171 | |
| 172 | m_metaFile = new wxMetaFile(wxEmptyString) ; |
| 173 | Rect r={yorg,xorg,yorg+yext,xorg+xext} ; |
| 174 | |
| 175 | m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ; |
| 176 | ::GetPort( (GrafPtr*) &m_macPort ) ; |
| 177 | m_ok = TRUE ; |
| 178 | |
| 179 | SetMapMode(wxMM_TEXT); |
| 180 | } |
| 181 | |
| 182 | wxMetaFileDC::~wxMetaFileDC() |
| 183 | { |
| 184 | } |
| 185 | |
| 186 | wxMetaFile *wxMetaFileDC::Close() |
| 187 | { |
| 188 | ClosePicture() ; |
| 189 | return m_metaFile; |
| 190 | } |
| 191 | |
| 192 | #if wxUSE_DATAOBJ |
| 193 | size_t wxMetafileDataObject::GetDataSize() const |
| 194 | { |
| 195 | return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ; |
| 196 | } |
| 197 | |
| 198 | bool wxMetafileDataObject::GetDataHere(void *buf) const |
| 199 | { |
| 200 | memcpy( buf , (*(PicHandle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE()) , |
| 201 | GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ) ; |
| 202 | return true ; |
| 203 | } |
| 204 | |
| 205 | bool wxMetafileDataObject::SetData(size_t len, const void *buf) |
| 206 | { |
| 207 | Handle handle = (Handle) m_metafile.GetHMETAFILE() ; |
| 208 | SetHandleSize( handle , len ) ; |
| 209 | memcpy( *handle , buf , len ) ; |
| 210 | return true ; |
| 211 | } |
| 212 | #endif |
| 213 | |
| 214 | #endif |