/////////////////////////////////////////////////////////////////////////////
-// 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/uma.h"
+#include "wx/graphics.h"
+
+#include <stdio.h>
+#include <string.h>
+
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
+
+#define M_METAFILEREFDATA( a ) ((wxMetafileRefData*)(a).GetRefData())
+
+class wxMetafileRefData: public wxGDIRefData
+{
+public:
+#if wxMAC_USE_CORE_GRAPHICS
+ // creates a metafile from memory, assumes ownership
+ wxMetafileRefData(CFDataRef data);
+#else
+ // creates a metafile from memory, assumes ownership
+ wxMetafileRefData(PicHandle data);
+#endif
+ // prepares a recording metafile
+ wxMetafileRefData( int width, int height);
+ // prepares a metafile to be read from a file (if filename is not empty)
+ wxMetafileRefData( const wxString& filename);
+ virtual ~wxMetafileRefData();
+
+ void Init();
+
+ int GetWidth() const { return m_width; }
+ int GetHeight() const { return m_height; }
+
+#if wxMAC_USE_CORE_GRAPHICS
+ CGPDFDocumentRef GetPDFDocument() const { return m_pdfDoc; }
+ void UpdateDocumentFromData() ;
+
+ const wxCFDataRef& GetData() const { return m_data; }
+ CGContextRef GetContext() const { return m_context; }
+#else
+ PicHandle GetHandle() const { return m_metafile; }
+#endif
+ // ends the recording
+ void Close();
+private:
+#if wxMAC_USE_CORE_GRAPHICS
+ wxCFDataRef m_data;
+ wxCFRef<CGPDFDocumentRef> m_pdfDoc;
+ CGContextRef m_context;
+#else
+ PicHandle m_metafile;
+#endif
+ int m_width ;
+ int m_height ;
+};
+
+#if !wxMAC_USE_CORE_GRAPHICS
+wxMetafileRefData::wxMetafileRefData(PicHandle pict)
+{
+ Init();
+ m_metafile = pict;
+
+ Rect r;
+ wxMacGetPictureBounds( m_metafile, &r );
+ m_width = r.right - r.left;
+ m_height = r.bottom - r.top;
+}
+#else
+wxMetafileRefData::wxMetafileRefData(CFDataRef data) :
+ m_data(data)
+{
+ Init();
+ UpdateDocumentFromData();
+}
+#endif
+
+wxMetafileRefData::wxMetafileRefData( const wxString& filename )
+{
+ Init();
+#if wxMAC_USE_CORE_GRAPHICS
+ if ( !filename.empty() )
+ {
+ wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxMacCFStringHolder(filename)));
+ CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
+ wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
+ m_pdfDoc.reset(CGPDFDocumentCreateWithURL(url));
+ }
+#else
+ wxASSERT_MSG( filename.empty(), wxT("no file-based metafile support yet") );
+ m_metafile = NULL;
+#endif
+}
-extern bool wxClipboardIsOpen;
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
+wxMetafileRefData::wxMetafileRefData( int width, int height)
+{
+ Init();
+
+ m_width = width;
+ m_height = height;
+#if wxMAC_USE_CORE_GRAPHICS
+ CGRect r = CGRectMake( 0 , 0 , width , height );
+
+ CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
+ m_data.reset(data);
+ CGDataConsumerRef dataConsumer = UMACGDataConsumerCreateWithCFData(data);
+ m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
+ CGDataConsumerRelease( dataConsumer );
+ if ( m_context )
+ {
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+ if ( &CGPDFContextBeginPage != NULL )
+ CGPDFContextBeginPage(m_context, NULL);
+ else
+#endif
+ CGContextBeginPage(m_context, &r);
+
+ CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
+
+ CGContextSetFillColorSpace( m_context, genericColorSpace );
+ CGContextSetStrokeColorSpace( m_context, genericColorSpace );
+
+ CGContextTranslateCTM( m_context , 0 , height ) ;
+ CGContextScaleCTM( m_context , 1 , -1 ) ;
+ }
+#else
+ Rect r = { 0, 0, height, width };
+ m_metafile = OpenPicture( &r ) ;
+#endif
+}
+
+wxMetafileRefData::~wxMetafileRefData()
+{
+#if! wxMAC_USE_CORE_GRAPHICS
+ if (m_metafile)
+ {
+ KillPicture( (PicHandle)m_metafile );
+ m_metafile = NULL;
+ }
+#endif
+}
+
+void wxMetafileRefData::Init()
+{
+#if wxMAC_USE_CORE_GRAPHICS
+ m_context = NULL;
+#else
+ m_metafile = NULL;
+#endif
+ m_width = -1;
+ m_height = -1;
+}
+
+void wxMetafileRefData::Close()
+{
+#if wxMAC_USE_CORE_GRAPHICS
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+ if ( &CGPDFContextEndPage != NULL )
+ CGPDFContextEndPage(m_context);
+ else
+#endif
+ CGContextEndPage(m_context);
+
+ CGContextRelease(m_context);
+ m_context = NULL;
+
+ UpdateDocumentFromData();
+#else
+ ClosePicture();
+#endif
+}
+
+#if wxMAC_USE_CORE_GRAPHICS
+void wxMetafileRefData::UpdateDocumentFromData()
+{
+ wxCFRef<CGDataProviderRef> provider(UMACGDataProviderCreateWithCFData(m_data));
+ m_pdfDoc.reset(CGPDFDocumentCreateWithProvider(provider));
+ if ( m_pdfDoc != NULL )
+ {
+ CGPDFPageRef page = CGPDFDocumentGetPage( m_pdfDoc, 1 );
+ CGRect rect = CGPDFPageGetBoxRect ( page, kCGPDFMediaBox);
+ m_width = rect.size.width;
+ m_height = rect.size.height;
+ }
+}
#endif
wxMetaFile::wxMetaFile(const wxString& file)
{
- // TODO
+ m_refData = new wxMetafileRefData(file);
}
wxMetaFile::~wxMetaFile()
{
- // TODO
}
-bool wxMetaFile::SetClipboard(int width, int height)
+bool wxMetaFile::IsOk() const
{
- bool alreadyOpen=wxClipboardOpen();
+#if wxMAC_USE_CORE_GRAPHICS
+ return (M_METAFILEDATA && (M_METAFILEDATA->GetData() != NULL));
+#else
+ return (M_METAFILEDATA && (M_METAFILEDATA->GetHandle() != NULL));
+#endif
+}
+
+WXHMETAFILE wxMetaFile::GetHMETAFILE() const
+{
+#if wxMAC_USE_CORE_GRAPHICS
+ return (WXHMETAFILE) (CFDataRef) M_METAFILEDATA->GetData();
+#else
+ return (WXHMETAFILE) M_METAFILEDATA->GetHandle();
+#endif
+}
+
+bool wxMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
+{
+ bool success = true;
+
+#if wxUSE_DRAG_AND_DROP
+ 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();
+
+#if wxMAC_USE_CORE_GRAPHICS
+ m_refData = new wxMetafileRefData((CFDataRef)mf);
+#else
+ m_refData = new wxMetafileRefData((PicHandle)mf);
+#endif
}
-/*
- * Metafile device context
- *
- */
+void wxMetafile::SetPICT(void* pictHandle)
+{
+ UnRef();
+
+#if wxMAC_USE_CORE_GRAPHICS
+ Handle picHandle = (Handle) pictHandle;
+ HLock(picHandle);
+ CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) *picHandle, GetHandleSize(picHandle), kCFAllocatorNull);
+ wxCFRef<CGDataProviderRef> provider(UMACGDataProviderCreateWithCFData(data));
+ QDPictRef pictRef = QDPictCreateWithProvider(provider);
+ CGRect rect = QDPictGetBounds(pictRef);
+ m_refData = new wxMetafileRefData( rect.size.width, rect.size.height );
+ QDPictDrawToCGContext( ((wxMetafileRefData*) m_refData)->GetContext(), rect, pictRef );
+ CFRelease( data );
+ QDPictRelease( pictRef );
+ ((wxMetafileRefData*) m_refData)->Close();
+#else
+ m_refData = new wxMetafileRefData((PicHandle)pictHandle);
+#endif
+}
-// 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)
+bool wxMetaFile::Play(wxDC *dc)
{
- // TODO
+ if (!m_refData)
+ return false;
+
+ if (!dc->Ok())
+ return false;
+
+ {
+#if wxMAC_USE_CORE_GRAPHICS
+ CGContextRef cg = (CGContextRef) dc->GetGraphicsContext()->GetNativeContext();
+ CGPDFDocumentRef doc = M_METAFILEDATA->GetPDFDocument();
+ CGPDFPageRef page = CGPDFDocumentGetPage( doc, 1 );
+ wxMacCGContextStateSaver save(cg);
+ CGContextDrawPDFPage( cg, page );
+// CGContextTranslateCTM( cg, 0, bounds.size.width );
+// CGContextScaleCTM( cg, 1, -1 );
+#else
+ PicHandle pict = (PicHandle)GetHMETAFILE();
+ wxMacPortSetter helper( dc );
+ Rect picFrame;
+ DrawPicture( pict, wxMacGetPictureBounds( pict, &picFrame ) );
+#endif
+ }
+
+ return true;
}
+wxSize wxMetaFile::GetSize() const
+{
+ wxSize dataSize = wxDefaultSize;
+
+ if (Ok())
+ {
+ dataSize.x = M_METAFILEDATA->GetWidth();
+ dataSize.y = M_METAFILEDATA->GetHeight();
+ }
+
+ 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 );
+ wxMetafileRefData* metafiledata = new wxMetafileRefData(width, height);
+ m_metaFile->UnRef();
+ m_metaFile->SetRefData( metafiledata );
+#if wxMAC_USE_CORE_GRAPHICS
+ SetGraphicsContext( wxGraphicsContext::CreateFromNative(metafiledata->GetContext()));
+ m_ok = (m_graphicContext != NULL) ;
+#else
+ Rect r = { 0, 0, height, width };
+ RectRgn( (RgnHandle)m_macBoundaryClipRgn, &r );
+ CopyRgn( (RgnHandle)m_macBoundaryClipRgn, (RgnHandle)m_macCurrentClipRgn );
+ ::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;
+#if wxMAC_USE_CORE_GRAPHICS
+ delete m_graphicContext;
+ m_graphicContext = NULL;
+ m_ok = false;
+#endif
+
+ M_METAFILEREFDATA(*m_metaFile)->Close();
+
+ return m_metaFile;
}
-void wxMetaFileDC::SetMapMode(int mode)
+#if wxUSE_DATAOBJ
+size_t wxMetafileDataObject::GetDataSize() const
{
- // TODO
+#if wxMAC_USE_CORE_GRAPHICS
+ CFIndex length = 0;
+ wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
+ if ( refData )
+ length = refData->GetData().GetLength();
+ return length;
+#else
+ return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() );
+#endif
}
-#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;
-};
+ bool result = false;
+#if wxMAC_USE_CORE_GRAPHICS
+ wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
+ if ( refData )
+ {
+ CFIndex length = refData->GetData().GetLength();
+ if ( length > 0 )
+ {
+ result = true ;
+ refData->GetData().GetBytes(CFRangeMake(0,length), (UInt8 *) buf);
+ }
+ }
#else
-struct mfPLACEABLEHEADER {
- DWORD key;
- HANDLE hmf;
- RECT bbox;
- WORD inch;
- DWORD reserved;
- WORD checksum;
-};
-#endif
+ Handle pictH = (Handle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE();
+ result = (pictH != NULL);
-/*
- * 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;
+ if (result)
+ memcpy( buf, *pictH, GetHandleSize( pictH ) );
+
+#endif
+ return result;
}
+bool wxMetafileDataObject::SetData(size_t len, const void *buf)
+{
+#if wxMAC_USE_CORE_GRAPHICS
+ wxMetafileRefData* metafiledata = new wxMetafileRefData(wxCFRefFromGet(wxCFDataRef((UInt8*)buf, len).get()));
+ m_metafile.UnRef();
+ m_metafile.SetRefData( metafiledata );
+#else
+ Handle handle = NewHandle( len );
+ SetHandleSize( handle, len );
+ memcpy( *handle, buf, len );
+ m_metafile.SetHMETAFILE( (WXHMETAFILE) handle );
+#endif
+ return true;
+}
#endif
+#endif
projects / wxWidgets.git / blobdiff