/////////////////////////////////////////////////////////////////////////////
-// Name: metafile.cpp
+// Name: src/mac/carbon/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
/////////////////////////////////////////////////////////////////////////////
+//
+// Currently, the only purpose for making a metafile
+// is to put it on the clipboard.
-#ifdef __GNUG__
-#pragma implementation "metafile.h"
+
+#include "wx/wxprec.h"
+
+#if wxUSE_METAFILE
+
+#ifndef WX_PRECOMP
+ #include "wx/utils.h"
+ #include "wx/app.h"
#endif
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/dc.h"
-#include "wx/stubs/metafile.h"
+#include "wx/metafile.h"
#include "wx/clipbrd.h"
+#include "wx/mac/private.h"
+
+#include <stdio.h>
+#include <string.h>
+
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
+
+class wxMetafileRefData: public wxGDIRefData
+{
+ friend class WXDLLEXPORT wxMetafile;
+
+public:
+ wxMetafileRefData();
+ virtual ~wxMetafileRefData();
+
+private:
+ PicHandle m_metafile;
+
+#if wxMAC_USE_CORE_GRAPHICS
+ QDPictRef m_qdPictRef;
+#endif
+};
+
extern bool wxClipboardIsOpen;
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
+
+wxMetafileRefData::wxMetafileRefData()
+{
+ m_metafile = NULL;
+
+#if wxMAC_USE_CORE_GRAPHICS
+ m_qdPictRef = NULL;
+#endif
+}
+
+wxMetafileRefData::~wxMetafileRefData()
+{
+ if (m_metafile)
+ {
+ KillPicture( (PicHandle)m_metafile );
+ m_metafile = NULL;
+
+#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 = NULL;
+ wxASSERT_MSG( file.empty(), wxT("no file-based metafile support yet") );
+
+#if 0
+ if (!file.IsNull() && (file.Cmp("") == 0))
+ M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile( file );
+#endif
}
wxMetaFile::~wxMetaFile()
{
- // TODO
+}
+
+bool wxMetaFile::Ok() const
+{
+ return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != NULL));
+}
+
+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: to finish this port, we need the data object first
+ if (m_refData == NULL)
+ return false;
+
+ bool alreadyOpen = wxTheClipboard->IsOpened();
if (!alreadyOpen)
{
- wxOpenClipboard();
- if (!wxEmptyClipboard()) return FALSE;
+ wxTheClipboard->Open();
+ wxTheClipboard->Clear();
}
- bool success = wxSetClipboardData(wxDF_METAFILE,this, width,height);
- if (!alreadyOpen) wxCloseClipboard();
- return (bool) success;
+
+ wxDataObject *data = new wxMetafileDataObject( *this );
+ success = wxTheClipboard->SetData( data );
+ if (!alreadyOpen)
+ wxTheClipboard->Close();
+#endif
+
+ return success;
}
-bool wxMetaFile::Play(wxDC *dc)
+void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
{
- // TODO
- return FALSE;
+ 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)
+ {
+ M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider );
+ CGDataProviderRelease( provider );
+ }
+#endif
}
-/*
- * Metafile device context
- *
- */
+bool wxMetaFile::Play(wxDC *dc)
+{
+ 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 );
+ Rect picFrame;
+ DrawPicture( pict, wxMacGetPictureBounds( pict, &picFrame ) );
+#endif
+ }
+
+ return true;
+}
-// 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)
+wxSize wxMetaFile::GetSize() const
{
- // TODO
+ wxSize dataSize = wxDefaultSize;
+
+ if (Ok())
+ {
+ PicHandle pict = (PicHandle)GetHMETAFILE();
+ Rect r;
+ wxMacGetPictureBounds( pict, &r );
+ dataSize.x = r.right - r.left;
+ dataSize.y = r.bottom - r.top;
+ }
+
+ return dataSize;
}
+// Metafile device context
+
// 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, wxT("no arbitration of metafile size supported") );
+ wxASSERT_MSG( filename.empty(), wxT("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, wxT("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;
-};
+ Handle pictH = (Handle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE();
+ bool result = (pictH != NULL);
-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
+ if (result)
+ memcpy( buf, *pictH, GetHandleSize( pictH ) );
-/*
- * 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 MM_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] = MM_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;
+ return result;
}
+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