/////////////////////////////////////////////////////////////////////////////
// Name: metafile.cpp
// Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional.
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "metafile.h"
#endif
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/dc.h"
-#include "wx/stubs/metafile.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#if wxUSE_METAFILE
+
+#ifndef WX_PRECOMP
+#include "wx/utils.h"
+#include "wx/app.h"
+#endif
+
+#include "wx/metafile.h"
#include "wx/clipbrd.h"
+#include "wx/mac/private.h"
+
+#include <stdio.h>
+#include <string.h>
+
extern bool wxClipboardIsOpen;
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
+
+class wxMetafileRefData: public wxGDIRefData
+{
+ friend class WXDLLEXPORT wxMetafile;
+public:
+ wxMetafileRefData(void);
+ ~wxMetafileRefData(void);
+
+private:
+ PicHandle m_metafile;
+#if wxMAC_USE_CORE_GRAPHICS
+ QDPictRef m_qdPictRef ;
#endif
+};
+
+
+/*
+ * Metafiles
+ * Currently, the only purpose for making a metafile is to put
+ * it on the clipboard.
+ */
+
+wxMetafileRefData::wxMetafileRefData(void)
+{
+ m_metafile = 0;
+#if wxMAC_USE_CORE_GRAPHICS
+ m_qdPictRef = NULL ;
+#endif
+}
+
+wxMetafileRefData::~wxMetafileRefData(void)
+{
+ if (m_metafile)
+ {
+ KillPicture( (PicHandle) m_metafile ) ;
+ m_metafile = 0;
+#if wxMAC_USE_CORE_GRAPHICS
+ QDPictRelease( m_qdPictRef ) ;
+ m_qdPictRef = NULL ;
+#endif
+ }
+}
wxMetaFile::wxMetaFile(const wxString& file)
{
- // TODO
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_metafile = 0;
+ wxASSERT_MSG( file.empty() , wxT("no file based metafile support yet") ) ;
+/*
+ if (!file.IsNull() && (file.Cmp("") == 0))
+ M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
+*/
}
wxMetaFile::~wxMetaFile()
{
- // TODO
+}
+
+bool wxMetaFile::Ok() const
+{
+ return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0));
+}
+
+WXHMETAFILE wxMetaFile::GetHMETAFILE() const
+{
+ return (WXHMETAFILE) M_METAFILEDATA->m_metafile;
}
bool wxMetaFile::SetClipboard(int width, int height)
{
- bool alreadyOpen=wxClipboardOpen();
+ bool success = true;
+
+#if wxUSE_DRAG_AND_DROP
+ //TODO finishi this port , we need the data obj first
+ if (!m_refData)
+ return false;
+
+ bool alreadyOpen=wxTheClipboard->IsOpened() ;
+ if (!alreadyOpen)
+ {
+ wxTheClipboard->Open();
+ wxTheClipboard->Clear();
+ }
+ wxDataObject *data =
+ new wxMetafileDataObject( *this) ;
+ success = wxTheClipboard->SetData(data);
if (!alreadyOpen)
+ wxTheClipboard->Close();
+#endif
+
+ return success;
+}
+
+void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
+{
+ UnRef() ;
+
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_metafile = (PicHandle) mf;
+#if wxMAC_USE_CORE_GRAPHICS
+ size_t sz = GetHandleSize( (Handle) M_METAFILEDATA->m_metafile ) ;
+ wxMemoryBuffer* membuf = new wxMemoryBuffer( sz ) ;
+ void * data = membuf->GetWriteBuf(sz) ;
+ memcpy( data , *M_METAFILEDATA->m_metafile , sz ) ;
+ membuf->UngetWriteBuf(sz) ;
+ CGDataProviderRef provider = CGDataProviderCreateWithData( membuf , data , sz ,
+ wxMacMemoryBufferReleaseProc ) ;
+ M_METAFILEDATA->m_qdPictRef = NULL ;
+ if ( provider != NULL )
{
- wxOpenClipboard();
- if (!wxEmptyClipboard()) return FALSE;
+ M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider ) ;
+ CGDataProviderRelease( provider ) ;
}
- bool success = wxSetClipboardData(wxDF_METAFILE,this, width,height);
- if (!alreadyOpen) wxCloseClipboard();
- return (bool) success;
+#endif
}
bool wxMetaFile::Play(wxDC *dc)
{
- // TODO
- return FALSE;
+ if (!m_refData)
+ return false;
+
+ if (!dc->Ok() )
+ return false;
+
+ {
+#if wxMAC_USE_CORE_GRAPHICS
+ QDPictRef cgPictRef = M_METAFILEDATA->m_qdPictRef ;
+ CGContextRef cg = ((wxMacCGContext*)(dc->GetGraphicContext()))->GetNativeContext() ;
+ CGRect bounds = QDPictGetBounds( cgPictRef ) ;
+
+ CGContextSaveGState(cg);
+ CGContextTranslateCTM(cg, 0 , bounds.size.width );
+ CGContextScaleCTM(cg, 1, -1);
+ QDPictDrawToCGContext( cg , bounds , cgPictRef ) ;
+ CGContextRestoreGState( cg ) ;
+#else
+ PicHandle pict = (PicHandle) GetHMETAFILE() ;
+ wxMacPortSetter helper( dc ) ;
+ DrawPicture( pict , &(**pict).picFrame ) ;
+#endif
+ }
+ return true;
+}
+
+wxSize wxMetaFile::GetSize() const
+{
+ wxSize size = wxDefaultSize ;
+ if ( Ok() )
+ {
+ PicHandle pict = (PicHandle) GetHMETAFILE() ;
+ Rect &r = (**pict).picFrame ;
+ size.x = r.right - r.left ;
+ size.y = r.bottom - r.top ;
+ }
+
+ return size;
}
/*
*
*/
-// Original constructor that does not takes origin and extent. If you use this,
-// *DO* give origin/extent arguments to wxMakeMetaFilePlaceable.
-wxMetaFileDC::wxMetaFileDC(const wxString& file)
-{
- // TODO
-}
-
// New constructor that takes origin and extent. If you use this, don't
// give origin/extent arguments to wxMakeMetaFilePlaceable.
-wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg)
+
+wxMetaFileDC::wxMetaFileDC(const wxString& filename ,
+ int width , int height ,
+ const wxString& WXUNUSED(description) )
{
- // TODO
+ wxASSERT_MSG( width == 0 || height == 0 , _T("no arbitration of metafilesize supported") ) ;
+ wxASSERT_MSG( filename.empty() , _T("no file based metafile support yet")) ;
+
+ m_metaFile = new wxMetaFile(filename) ;
+#if wxMAC_USE_CORE_GRAPHICS
+#else
+ Rect r={0,0,height,width} ;
+
+ RectRgn( (RgnHandle) m_macBoundaryClipRgn , &r ) ;
+ CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
+
+ m_metaFile->SetHMETAFILE( (WXHMETAFILE) OpenPicture( &r ) ) ;
+ ::GetPort( (GrafPtr*) &m_macPort ) ;
+ m_ok = true ;
+#endif
+ SetMapMode(wxMM_TEXT);
}
wxMetaFileDC::~wxMetaFileDC()
{
}
-void wxMetaFileDC::GetTextExtent(const wxString& string, float *x, float *y,
- float *descent, float *externalLeading, wxFont *theFont, bool use16bit)
+void wxMetaFileDC::DoGetSize(int *width, int *height) const
{
- // TODO
+ wxCHECK_RET( m_metaFile , _T("GetSize() doesn't work without a metafile") );
+
+ wxSize sz = m_metaFile->GetSize() ;
+ if (width) (*width) = sz.x;
+ if (height) (*height) = sz.y;
}
wxMetaFile *wxMetaFileDC::Close()
{
- // TODO
- return NULL;
+ ClosePicture() ;
+ return m_metaFile;
}
-void wxMetaFileDC::SetMapMode(int mode)
+#if wxUSE_DATAOBJ
+size_t wxMetafileDataObject::GetDataSize() const
{
- // TODO
+ return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ;
}
-#if 0
-
-#ifdef __WIN32__
-struct RECT32
+bool wxMetafileDataObject::GetDataHere(void *buf) const
{
- short left;
- short top;
- short right;
- short bottom;
-};
-
-struct mfPLACEABLEHEADER {
- DWORD key;
- short hmf;
- RECT32 bbox;
- WORD inch;
- DWORD reserved;
- WORD checksum;
-};
-#else
-struct mfPLACEABLEHEADER {
- DWORD key;
- HANDLE hmf;
- RECT bbox;
- WORD inch;
- DWORD reserved;
- WORD checksum;
-};
-#endif
-
-/*
- * Pass filename of existing non-placeable metafile, and bounding box.
- * Adds a placeable metafile header, sets the mapping mode to anisotropic,
- * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
- *
- */
-
-bool wxMakeMetaFilePlaceable(const wxString& filename, float scale)
-{
- return wxMakeMetaFilePlaceable(filename, 0, 0, 0, 0, scale, FALSE);
-}
-
-bool wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale, bool useOriginAndExtent)
-{
- // I'm not sure if this is the correct way of suggesting a scale
- // to the client application, but it's the only way I can find.
- int unitsPerInch = (int)(576/scale);
-
- mfPLACEABLEHEADER header;
- header.key = 0x9AC6CDD7L;
- header.hmf = 0;
- header.bbox.left = (int)(x1);
- header.bbox.top = (int)(y1);
- header.bbox.right = (int)(x2);
- header.bbox.bottom = (int)(y2);
- header.inch = unitsPerInch;
- header.reserved = 0;
-
- // Calculate checksum
- WORD *p;
- mfPLACEABLEHEADER *pMFHead = &header;
- for (p =(WORD *)pMFHead,pMFHead -> checksum = 0;
- p < (WORD *)&pMFHead ->checksum; ++p)
- pMFHead ->checksum ^= *p;
-
- FILE *fd = fopen((char *)(const char *)filename, "rb");
- if (!fd) return FALSE;
-
- char tempFileBuf[256];
- wxGetTempFileName("mf", tempFileBuf);
- FILE *fHandle = fopen(tempFileBuf, "wb");
- if (!fHandle)
- return FALSE;
- fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle);
-
- // Calculate origin and extent
- int originX = x1;
- int originY = y1;
- int extentX = x2 - x1;
- int extentY = (y2 - y1);
-
- // Read metafile header and write
- METAHEADER metaHeader;
- fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd);
-
- if (useOriginAndExtent)
- metaHeader.mtSize += 15;
- else
- metaHeader.mtSize += 5;
-
- fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
-
- // Write SetMapMode, SetWindowOrigin and SetWindowExt records
- char modeBuffer[8];
- char originBuffer[10];
- char extentBuffer[10];
- METARECORD *modeRecord = (METARECORD *)&modeBuffer;
-
- METARECORD *originRecord = (METARECORD *)&originBuffer;
- METARECORD *extentRecord = (METARECORD *)&extentBuffer;
-
- modeRecord->rdSize = 4;
- modeRecord->rdFunction = META_SETMAPMODE;
- modeRecord->rdParm[0] = wxMM_ANISOTROPIC;
-
- originRecord->rdSize = 5;
- originRecord->rdFunction = META_SETWINDOWORG;
- originRecord->rdParm[0] = originY;
- originRecord->rdParm[1] = originX;
-
- extentRecord->rdSize = 5;
- extentRecord->rdFunction = META_SETWINDOWEXT;
- extentRecord->rdParm[0] = extentY;
- extentRecord->rdParm[1] = extentX;
-
- fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
-
- if (useOriginAndExtent)
- {
- fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
- fwrite((void *)extentBuffer, sizeof(char), 10, fHandle);
- }
-
- int ch = -2;
- while (ch != EOF)
- {
- ch = getc(fd);
- if (ch != EOF)
- {
- putc(ch, fHandle);
- }
- }
- fclose(fHandle);
- fclose(fd);
- wxRemoveFile(filename);
- wxCopyFile(tempFileBuf, filename);
- wxRemoveFile(tempFileBuf);
- return TRUE;
+ memcpy( buf , (*(PicHandle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE()) ,
+ GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ) ;
+ return true ;
}
+bool wxMetafileDataObject::SetData(size_t len, const void *buf)
+{
+ Handle handle = NewHandle( len ) ;
+ SetHandleSize( handle , len ) ;
+ memcpy( *handle , buf , len ) ;
+ m_metafile.SetHMETAFILE( (WXHMETAFILE) handle ) ;
+ return true ;
+}
#endif
+#endif
projects / wxWidgets.git / blobdiff