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e9576ca5 | 1 | ///////////////////////////////////////////////////////////////////////////// |
e542ecc6 | 2 | // Name: src/mac/carbon/metafile.cpp |
e9576ca5 | 3 | // Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional. |
a31a5f85 | 4 | // Author: Stefan Csomor |
e9576ca5 SC |
5 | // Modified by: |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
a31a5f85 | 8 | // Copyright: (c) Stefan Csomor |
65571936 | 9 | // Licence: wxWindows licence |
e9576ca5 | 10 | ///////////////////////////////////////////////////////////////////////////// |
e542ecc6 DS |
11 | // |
12 | // Currently, the only purpose for making a metafile | |
13 | // is to put it on the clipboard. | |
e9576ca5 | 14 | |
519cb848 | 15 | |
e542ecc6 | 16 | #include "wx/wxprec.h" |
519cb848 | 17 | |
519cb848 SC |
18 | #if wxUSE_METAFILE |
19 | ||
20 | #ifndef WX_PRECOMP | |
274b7a40 DS |
21 | #include "wx/utils.h" |
22 | #include "wx/app.h" | |
519cb848 SC |
23 | #endif |
24 | ||
25 | #include "wx/metafile.h" | |
e9576ca5 | 26 | #include "wx/clipbrd.h" |
76a5e5d2 SC |
27 | #include "wx/mac/private.h" |
28 | ||
519cb848 SC |
29 | #include <stdio.h> |
30 | #include <string.h> | |
31 | ||
519cb848 SC |
32 | IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject) |
33 | IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC) | |
e9576ca5 | 34 | |
71cc158e SC |
35 | class wxMetafileRefData: public wxGDIRefData |
36 | { | |
37 | friend class WXDLLEXPORT wxMetafile; | |
274b7a40 | 38 | |
71cc158e | 39 | public: |
274b7a40 | 40 | wxMetafileRefData(); |
d3c7fc99 | 41 | virtual ~wxMetafileRefData(); |
71cc158e SC |
42 | |
43 | private: | |
44 | PicHandle m_metafile; | |
274b7a40 | 45 | |
71cc158e | 46 | #if wxMAC_USE_CORE_GRAPHICS |
274b7a40 | 47 | QDPictRef m_qdPictRef; |
71cc158e SC |
48 | #endif |
49 | }; | |
50 | ||
274b7a40 | 51 | wxMetafileRefData::wxMetafileRefData() |
519cb848 | 52 | { |
e542ecc6 | 53 | m_metafile = NULL; |
274b7a40 | 54 | |
71cc158e | 55 | #if wxMAC_USE_CORE_GRAPHICS |
274b7a40 | 56 | m_qdPictRef = NULL; |
71cc158e | 57 | #endif |
519cb848 SC |
58 | } |
59 | ||
274b7a40 | 60 | wxMetafileRefData::~wxMetafileRefData() |
519cb848 SC |
61 | { |
62 | if (m_metafile) | |
63 | { | |
4f74e0d1 | 64 | #ifndef __LP64__ |
274b7a40 DS |
65 | KillPicture( (PicHandle)m_metafile ); |
66 | m_metafile = NULL; | |
67 | ||
71cc158e | 68 | #if wxMAC_USE_CORE_GRAPHICS |
274b7a40 DS |
69 | QDPictRelease( m_qdPictRef ); |
70 | m_qdPictRef = NULL; | |
4f74e0d1 | 71 | #endif |
71cc158e | 72 | #endif |
519cb848 SC |
73 | } |
74 | } | |
75 | ||
e9576ca5 SC |
76 | wxMetaFile::wxMetaFile(const wxString& file) |
77 | { | |
519cb848 SC |
78 | m_refData = new wxMetafileRefData; |
79 | ||
e542ecc6 DS |
80 | M_METAFILEDATA->m_metafile = NULL; |
81 | wxASSERT_MSG( file.empty(), wxT("no file-based metafile support yet") ); | |
274b7a40 DS |
82 | |
83 | #if 0 | |
519cb848 | 84 | if (!file.IsNull() && (file.Cmp("") == 0)) |
274b7a40 DS |
85 | M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile( file ); |
86 | #endif | |
e9576ca5 SC |
87 | } |
88 | ||
89 | wxMetaFile::~wxMetaFile() | |
90 | { | |
e9576ca5 SC |
91 | } |
92 | ||
b7cacb43 | 93 | bool wxMetaFile::IsOk() const |
902725ee | 94 | { |
e542ecc6 | 95 | return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != NULL)); |
71cc158e SC |
96 | } |
97 | ||
902725ee WS |
98 | WXHMETAFILE wxMetaFile::GetHMETAFILE() const |
99 | { | |
100 | return (WXHMETAFILE) M_METAFILEDATA->m_metafile; | |
71cc158e SC |
101 | } |
102 | ||
e9576ca5 SC |
103 | bool wxMetaFile::SetClipboard(int width, int height) |
104 | { | |
902725ee WS |
105 | bool success = true; |
106 | ||
f0822896 | 107 | #if wxUSE_DRAG_AND_DROP |
e542ecc6 DS |
108 | // TODO: to finish this port, we need the data object first |
109 | if (m_refData == NULL) | |
902725ee WS |
110 | return false; |
111 | ||
274b7a40 | 112 | bool alreadyOpen = wxTheClipboard->IsOpened(); |
e9576ca5 SC |
113 | if (!alreadyOpen) |
114 | { | |
f0822896 | 115 | wxTheClipboard->Open(); |
a07c1212 | 116 | wxTheClipboard->Clear(); |
e9576ca5 | 117 | } |
274b7a40 DS |
118 | |
119 | wxDataObject *data = new wxMetafileDataObject( *this ); | |
120 | success = wxTheClipboard->SetData( data ); | |
902725ee | 121 | if (!alreadyOpen) |
e40298d5 | 122 | wxTheClipboard->Close(); |
f0822896 | 123 | #endif |
902725ee WS |
124 | |
125 | return success; | |
e9576ca5 SC |
126 | } |
127 | ||
76a5e5d2 | 128 | void wxMetafile::SetHMETAFILE(WXHMETAFILE mf) |
2f1ae414 | 129 | { |
274b7a40 | 130 | UnRef(); |
902725ee | 131 | |
71cc158e | 132 | m_refData = new wxMetafileRefData; |
2f1ae414 | 133 | |
e542ecc6 | 134 | M_METAFILEDATA->m_metafile = (PicHandle)mf; |
274b7a40 | 135 | |
71cc158e | 136 | #if wxMAC_USE_CORE_GRAPHICS |
274b7a40 DS |
137 | size_t sz = GetHandleSize( (Handle) M_METAFILEDATA->m_metafile ); |
138 | wxMemoryBuffer* membuf = new wxMemoryBuffer( sz ); | |
139 | void *data = membuf->GetWriteBuf( sz ); | |
e542ecc6 | 140 | |
274b7a40 DS |
141 | memcpy( data, *M_METAFILEDATA->m_metafile, sz ); |
142 | membuf->UngetWriteBuf( sz ); | |
143 | CGDataProviderRef provider = CGDataProviderCreateWithData( | |
144 | membuf, data, sz, wxMacMemoryBufferReleaseProc ); | |
145 | M_METAFILEDATA->m_qdPictRef = NULL; | |
146 | ||
4f74e0d1 | 147 | #ifndef __LP64__ |
e542ecc6 | 148 | if (provider != NULL) |
71cc158e | 149 | { |
274b7a40 DS |
150 | M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider ); |
151 | CGDataProviderRelease( provider ); | |
71cc158e SC |
152 | } |
153 | #endif | |
4f74e0d1 | 154 | #endif |
2f1ae414 SC |
155 | } |
156 | ||
e9576ca5 SC |
157 | bool wxMetaFile::Play(wxDC *dc) |
158 | { | |
e40298d5 | 159 | if (!m_refData) |
902725ee WS |
160 | return false; |
161 | ||
e542ecc6 | 162 | if (!dc->Ok()) |
902725ee WS |
163 | return false; |
164 | ||
e40298d5 | 165 | { |
20b69855 | 166 | #if wxMAC_USE_CORE_GRAPHICS |
4f74e0d1 | 167 | #ifndef __LP64__ |
274b7a40 | 168 | QDPictRef cgPictRef = M_METAFILEDATA->m_qdPictRef; |
f7862d3e | 169 | CGContextRef cg = (CGContextRef) dc->GetGraphicContext()->GetNativeContext(); |
274b7a40 DS |
170 | CGRect bounds = QDPictGetBounds( cgPictRef ); |
171 | ||
172 | CGContextSaveGState( cg ); | |
e542ecc6 | 173 | CGContextTranslateCTM( cg, 0, bounds.size.width ); |
274b7a40 | 174 | CGContextScaleCTM( cg, 1, -1 ); |
e542ecc6 | 175 | QDPictDrawToCGContext( cg, bounds, cgPictRef ); |
274b7a40 | 176 | CGContextRestoreGState( cg ); |
4f74e0d1 | 177 | #endif |
20b69855 | 178 | #else |
e542ecc6 | 179 | PicHandle pict = (PicHandle)GetHMETAFILE(); |
274b7a40 | 180 | wxMacPortSetter helper( dc ); |
e542ecc6 DS |
181 | Rect picFrame; |
182 | DrawPicture( pict, wxMacGetPictureBounds( pict, &picFrame ) ); | |
20b69855 | 183 | #endif |
e40298d5 | 184 | } |
274b7a40 | 185 | |
902725ee | 186 | return true; |
e9576ca5 SC |
187 | } |
188 | ||
48de597b SC |
189 | wxSize wxMetaFile::GetSize() const |
190 | { | |
e542ecc6 | 191 | wxSize dataSize = wxDefaultSize; |
274b7a40 | 192 | |
e542ecc6 | 193 | if (Ok()) |
48de597b | 194 | { |
4f74e0d1 SC |
195 | #ifndef __LP64__ |
196 | PicHandle pict = (PicHandle)GetHMETAFILE(); | |
e542ecc6 DS |
197 | Rect r; |
198 | wxMacGetPictureBounds( pict, &r ); | |
199 | dataSize.x = r.right - r.left; | |
200 | dataSize.y = r.bottom - r.top; | |
4f74e0d1 | 201 | #endif |
48de597b SC |
202 | } |
203 | ||
e542ecc6 | 204 | return dataSize; |
48de597b SC |
205 | } |
206 | ||
274b7a40 | 207 | // Metafile device context |
e9576ca5 | 208 | |
e9576ca5 SC |
209 | // New constructor that takes origin and extent. If you use this, don't |
210 | // give origin/extent arguments to wxMakeMetaFilePlaceable. | |
519cb848 | 211 | |
e542ecc6 DS |
212 | wxMetaFileDC::wxMetaFileDC( |
213 | const wxString& filename, | |
214 | int width, int height, | |
215 | const wxString& WXUNUSED(description) ) | |
e9576ca5 | 216 | { |
e542ecc6 DS |
217 | wxASSERT_MSG( width <= 0 || height <= 0, wxT("no arbitration of metafile size supported") ); |
218 | wxASSERT_MSG( filename.empty(), wxT("no file based metafile support yet")); | |
274b7a40 DS |
219 | |
220 | m_metaFile = new wxMetaFile( filename ); | |
902725ee | 221 | |
20b69855 SC |
222 | #if wxMAC_USE_CORE_GRAPHICS |
223 | #else | |
274b7a40 DS |
224 | Rect r = { 0, 0, height, width }; |
225 | ||
e542ecc6 DS |
226 | RectRgn( (RgnHandle)m_macBoundaryClipRgn, &r ); |
227 | CopyRgn( (RgnHandle)m_macBoundaryClipRgn, (RgnHandle)m_macCurrentClipRgn ); | |
902725ee | 228 | |
e542ecc6 DS |
229 | m_metaFile->SetHMETAFILE( (WXHMETAFILE)OpenPicture( &r ) ); |
230 | ::GetPort( (GrafPtr*)&m_macPort ); | |
48de597b | 231 | |
e542ecc6 | 232 | m_ok = true; |
20b69855 | 233 | #endif |
274b7a40 DS |
234 | |
235 | SetMapMode( wxMM_TEXT ); | |
e9576ca5 SC |
236 | } |
237 | ||
519cb848 | 238 | wxMetaFileDC::~wxMetaFileDC() |
e9576ca5 | 239 | { |
e9576ca5 SC |
240 | } |
241 | ||
48de597b SC |
242 | void wxMetaFileDC::DoGetSize(int *width, int *height) const |
243 | { | |
e542ecc6 | 244 | wxCHECK_RET( m_metaFile, wxT("GetSize() doesn't work without a metafile") ); |
48de597b | 245 | |
e542ecc6 | 246 | wxSize sz = m_metaFile->GetSize(); |
274b7a40 DS |
247 | if (width) |
248 | (*width) = sz.x; | |
249 | if (height) | |
250 | (*height) = sz.y; | |
48de597b SC |
251 | } |
252 | ||
519cb848 | 253 | wxMetaFile *wxMetaFileDC::Close() |
e9576ca5 | 254 | { |
4f74e0d1 | 255 | #ifndef __LP64__ |
e542ecc6 | 256 | ClosePicture(); |
4f74e0d1 | 257 | #endif |
e40298d5 | 258 | return m_metaFile; |
e9576ca5 SC |
259 | } |
260 | ||
a07c1212 SC |
261 | #if wxUSE_DATAOBJ |
262 | size_t wxMetafileDataObject::GetDataSize() const | |
263 | { | |
274b7a40 | 264 | return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ); |
a07c1212 SC |
265 | } |
266 | ||
267 | bool wxMetafileDataObject::GetDataHere(void *buf) const | |
268 | { | |
e542ecc6 DS |
269 | Handle pictH = (Handle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE(); |
270 | bool result = (pictH != NULL); | |
274b7a40 | 271 | |
e542ecc6 DS |
272 | if (result) |
273 | memcpy( buf, *pictH, GetHandleSize( pictH ) ); | |
274 | ||
275 | return result; | |
a07c1212 SC |
276 | } |
277 | ||
278 | bool wxMetafileDataObject::SetData(size_t len, const void *buf) | |
279 | { | |
274b7a40 DS |
280 | Handle handle = NewHandle( len ); |
281 | SetHandleSize( handle, len ); | |
282 | memcpy( *handle, buf, len ); | |
283 | m_metafile.SetHMETAFILE( (WXHMETAFILE) handle ); | |
284 | ||
e542ecc6 | 285 | return true; |
a07c1212 SC |
286 | } |
287 | #endif | |
288 | ||
e9576ca5 | 289 | #endif |