use wx-style header and commets; fix indentation to be 4 spaces; move Doxygen comment...

[wxWidgets.git] / src / mac / carbon / metafile.cpp

diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp
index fc6c64b825e3a284dfa572c6b0c6d921cd4041f7..73d5b77f9ab8a651fa60b7328ac23bbd776dad68 100644 (file)
--- a/src/mac/carbon/metafile.cpp
+++ b/src/mac/carbon/metafile.cpp
@@ -1,197 +1,366 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        metafile.cpp
+// Name:        src/mac/carbon/metafile.cpp

 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.
 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // 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"
-#endif

 
 

-// For compilers that support precompilation, includes "wx.h".

 #include "wx/wxprec.h"
 
 #include "wx/wxprec.h"
 

-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include "wx/setup.h"
-#endif
-

 #if wxUSE_METAFILE
 
 #ifndef WX_PRECOMP
 #if wxUSE_METAFILE
 
 #ifndef WX_PRECOMP

-#include "wx/utils.h"
-#include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/app.h"

 #endif
 
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"
 #endif
 
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"

+#include "wx/mac/uma.h"
+#include "wx/graphics.h"
+#include "wx/mac/carbon/metafile.h"

 
 #include <stdio.h>
 #include <string.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)

-#endif
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDCImpl, wxGCDCImpl)
+
+#define M_METAFILEREFDATA( a ) ((wxMetafileRefData*)(a).GetRefData())
+
+class wxMetafileRefData : public wxGDIRefData
+{
+public:
+    // default ctor needed for CreateGDIRefData(), must be initialized later
+    wxMetafileRefData() { Init(); }
+
+    // creates a metafile from memory, assumes ownership
+    wxMetafileRefData(CFDataRef data);

 
 

-/*
- * Metafiles
- * Currently, the only purpose for making a metafile is to put
- * it on the clipboard.
- */
+    // prepares a recording metafile
+    wxMetafileRefData( int width, int height);

 
 

-wxMetafileRefData::wxMetafileRefData(void)
+    // prepares a metafile to be read from a file (if filename is not empty)
+    wxMetafileRefData( const wxString& filename);
+
+    virtual ~wxMetafileRefData();
+
+    virtual bool IsOk() const { return m_data != NULL; }
+
+    void Init();
+
+    int GetWidth() const { return m_width; }
+    int GetHeight() const { return m_height; }
+
+    CGPDFDocumentRef GetPDFDocument() const { return m_pdfDoc; }
+    void UpdateDocumentFromData() ;
+
+    const wxCFDataRef& GetData() const { return m_data; }
+    CGContextRef GetContext() const { return m_context; }
+
+    // ends the recording
+    void Close();
+private:
+    wxCFDataRef m_data;
+    wxCFRef<CGPDFDocumentRef> m_pdfDoc;
+    CGContextRef m_context;
+
+    int m_width ;
+    int m_height ;
+};
+
+wxMetafileRefData::wxMetafileRefData(CFDataRef data) :
+    m_data(data)

 {
 {

-    m_metafile = 0;
+    Init();
+    UpdateDocumentFromData();

 }
 
 }
 

-wxMetafileRefData::~wxMetafileRefData(void)
+wxMetafileRefData::wxMetafileRefData( const wxString& filename )

 {
 {

-    if (m_metafile)
+    Init();
+
+    if ( !filename.empty() )

     {
     {

-               KillPicture( m_metafile ) ;
-        m_metafile = 0;
+        wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(filename)));
+        CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
+        wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
+        m_pdfDoc.reset(CGPDFDocumentCreateWithURL(url));

     }
 }
 
     }
 }
 

-wxMetaFile::wxMetaFile(const wxString& file)
+
+wxMetafileRefData::wxMetafileRefData( int width, int height)

 {
 {

-    m_refData = new wxMetafileRefData;
+    Init();

 
 

+    m_width = width;
+    m_height = height;

 
 

-    M_METAFILEDATA->m_metafile = 0;
-    wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
-/*
-    if (!file.IsNull() && (file.Cmp("") == 0))
-        M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
-*/
+    CGRect r = CGRectMake( 0 , 0 , width  , height );
+
+    CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
+    m_data.reset(data);
+    CGDataConsumerRef dataConsumer = wxMacCGDataConsumerCreateWithCFData(data);
+    m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
+    CGDataConsumerRelease( dataConsumer );
+    if ( m_context )
+    {
+        CGPDFContextBeginPage(m_context, NULL);
+
+        CGColorSpaceRef genericColorSpace  = wxMacGetGenericRGBColorSpace();
+
+        CGContextSetFillColorSpace( m_context, genericColorSpace );
+        CGContextSetStrokeColorSpace( m_context, genericColorSpace );
+
+        CGContextTranslateCTM( m_context , 0 ,  height ) ;
+        CGContextScaleCTM( m_context , 1 , -1 ) ;
+    }
+}
+
+wxMetafileRefData::~wxMetafileRefData()
+{
+}
+
+void wxMetafileRefData::Init()
+{
+    m_context = NULL;
+    m_width = -1;
+    m_height = -1;
+}
+
+void wxMetafileRefData::Close()
+{
+    CGPDFContextEndPage(m_context);
+
+    CGContextRelease(m_context);
+    m_context = NULL;
+
+    UpdateDocumentFromData();
+}
+
+void wxMetafileRefData::UpdateDocumentFromData()
+{
+    wxCFRef<CGDataProviderRef> provider(wxMacCGDataProviderCreateWithCFData(m_data));
+    m_pdfDoc.reset(CGPDFDocumentCreateWithProvider(provider));
+    if ( m_pdfDoc != NULL )
+    {
+        CGPDFPageRef page = CGPDFDocumentGetPage( m_pdfDoc, 1 );
+        CGRect rect = CGPDFPageGetBoxRect ( page, kCGPDFMediaBox);
+        m_width = wx_static_cast(int, rect.size.width);
+        m_height = wx_static_cast(int, rect.size.height);
+    }
+}
+
+wxMetaFile::wxMetaFile(const wxString& file)
+{
+    m_refData = new wxMetafileRefData(file);

 }
 
 wxMetaFile::~wxMetaFile()
 {
 }
 
 }
 
 wxMetaFile::~wxMetaFile()
 {
 }
 

-bool wxMetaFile::SetClipboard(int width, int height)
+wxGDIRefData *wxMetaFile::CreateGDIRefData() const

 {
 {

-    if (!m_refData)
-        return FALSE;
+    return new wxMetafileRefData;
+}
+
+wxGDIRefData *wxMetaFile::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxMetafileRefData(*wx_static_cast(const wxMetafileRefData *, data));
+}
+
+WXHMETAFILE wxMetaFile::GetHMETAFILE() const
+{
+    return (WXHMETAFILE) (CFDataRef) M_METAFILEDATA->GetData();
+}
+
+bool wxMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
+{
+    bool success = true;

 
 

-    bool alreadyOpen=wxClipboardOpen();
+#if wxUSE_DRAG_AND_DROP
+    if (m_refData == NULL)
+        return false;
+
+    bool alreadyOpen = wxTheClipboard->IsOpened();

     if (!alreadyOpen)
     {
     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;

 
 

-    return TRUE ;
+    wxDataObject *data = new wxMetafileDataObject( *this );
+    success = wxTheClipboard->SetData( data );
+    if (!alreadyOpen)
+        wxTheClipboard->Close();
+#endif
+
+    return success;

 }
 
 }
 

-void wxMetafile::SetHMETAFILE(PicHandle mf)
+void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)

 {
 {

-    if (!m_refData)
-        m_refData = new wxMetafileRefData;
+    UnRef();
+
+    m_refData = new wxMetafileRefData((CFDataRef)mf);
+}

 
 

-    M_METAFILEDATA->m_metafile = mf;
+#ifndef __LP64__
+void wxMetafile::SetPICT(void* pictHandle)
+{
+    UnRef();
+
+    Handle picHandle = (Handle) pictHandle;
+    HLock(picHandle);
+    CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) *picHandle, GetHandleSize(picHandle), kCFAllocatorNull);
+    wxCFRef<CGDataProviderRef> provider(wxMacCGDataProviderCreateWithCFData(data));
+    QDPictRef pictRef = QDPictCreateWithProvider(provider);
+    CGRect rect = QDPictGetBounds(pictRef);
+    m_refData = new wxMetafileRefData(wx_static_cast(int, rect.size.width),
+                                      wx_static_cast(int, rect.size.height));
+    QDPictDrawToCGContext( ((wxMetafileRefData*) m_refData)->GetContext(), rect, pictRef );
+    CFRelease( data );
+    QDPictRelease( pictRef );
+    ((wxMetafileRefData*) m_refData)->Close();

 }
 }

+#endif

 
 bool wxMetaFile::Play(wxDC *dc)
 {
 
 bool wxMetaFile::Play(wxDC *dc)
 {

-  if (!m_refData)
-    return FALSE;
-
-       if (!dc->Ok() )
-               return FALSE;
-               
-       dc->MacVerifySetup() ;
-       
-       {
-               PicHandle pict = GetHMETAFILE() ;
-               DrawPicture( pict , &(**pict).picFrame ) ;
-       }
-/*

     if (!m_refData)
     if (!m_refData)

-        return FALSE;
+        return false;

 
 

-    dc->BeginDrawing();
+    if (!dc->IsOk())
+        return false;

 
 

-    if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
-        PlayMetaFile((HDC) dc->GetHDC(), (HMETAFILE) M_METAFILEDATA->m_metafile);
+    {
+        wxDCImpl *impl = dc->GetImpl();
+        wxGCDCImpl *gc_impl = wxDynamicCast(impl, wxGCDCImpl);
+        if (gc_impl)
+        {
+            CGContextRef cg = (CGContextRef) (gc_impl->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 );
+    }

 
 

-    dc->EndDrawing();
-*/
-    return TRUE;
+    return true;

 }
 
 }
 

-/*
- * Metafile device context
- *
- */
-
-// 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

 {
 {

-  m_metaFile = NULL;
-  m_minX = 10000;
-  m_minY = 10000;
-  m_maxX = -10000;
-  m_maxY = -10000;
+    wxSize dataSize = wxDefaultSize;

 
 

-  wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
-
-  m_metaFile = new wxMetaFile("") ;
-  Rect r={0,0,1000,1000} ;
-       
-  m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-  ::GetPort( &m_macPort ) ;    
-  m_ok = TRUE ;
+    if (Ok())
+    {
+        dataSize.x = M_METAFILEDATA->GetWidth();
+        dataSize.y = M_METAFILEDATA->GetHeight();
+    }

 
 

-  SetMapMode(wxMM_TEXT); 
+    return dataSize;

 }
 
 }
 

+// Metafile device context
+

 // New constructor that takes origin and extent. If you use this, don't
 // give origin/extent arguments to wxMakeMetaFilePlaceable.
 
 // 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)
+wxMetafileDCImpl::wxMetafileDCImpl(
+    wxDC *owner,
+    const wxString& filename,
+    int width, int height,
+    const wxString& WXUNUSED(description) ) :
+    wxGCDCImpl( owner )

 {
 {

-  m_minX = 10000;
-  m_minY = 10000;
-  m_maxX = -10000;
-  m_maxY = -10000;
+    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 );

 
 

-  wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
+    SetGraphicsContext( wxGraphicsContext::CreateFromNative(metafiledata->GetContext()));
+    m_ok = (m_graphicContext != NULL) ;

 
 

-       m_metaFile = new wxMetaFile("") ;
-       Rect r={yorg,xorg,yorg+yext,xorg+xext} ;
-       
-       m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-       ::GetPort( &m_macPort ) ;       
-  m_ok = TRUE ;
+    SetMapMode( wxMM_TEXT );
+}

 
 

-  SetMapMode(wxMM_TEXT); 
+wxMetafileDCImpl::~wxMetafileDCImpl()
+{

 }
 
 }
 

-wxMetaFileDC::~wxMetaFileDC()
+void wxMetafileDCImpl::DoGetSize(int *width, int *height) const

 {
 {

+    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()
+wxMetaFile *wxMetafileDCImpl::Close()

 {
 {

-       ClosePicture() ;
-       return m_metaFile;
+    delete m_graphicContext;
+    m_graphicContext = NULL;
+    m_ok = false;
+
+    M_METAFILEREFDATA(*m_metaFile)->Close();
+
+    return m_metaFile;

 }
 
 }
 

+#if wxUSE_DATAOBJ
+size_t wxMetafileDataObject::GetDataSize() const
+{
+    CFIndex length = 0;
+    wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
+    if ( refData )
+        length = refData->GetData().GetLength();
+    return length;
+}
+
+bool wxMetafileDataObject::GetDataHere(void *buf) const
+{
+    bool result = false;
+
+    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);
+        }
+    }
+    return result;
+}
+
+bool wxMetafileDataObject::SetData(size_t len, const void *buf)
+{
+    wxMetafileRefData* metafiledata = new wxMetafileRefData(wxCFRefFromGet(wxCFDataRef((UInt8*)buf, len).get()));
+    m_metafile.UnRef();
+    m_metafile.SetRefData( metafiledata );
+    return true;
+}
+#endif
+

 #endif
 #endif