cleanup mac

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

diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp
index 97e31948bf9db3a05d19b4190b481f2cec35de83..5dce1f01a0fd179070c4f3c0e42d79d78978d523 100644 (file)
--- a/src/mac/carbon/metafile.cpp
+++ b/src/mac/carbon/metafile.cpp
@@ -1,190 +1,451 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// 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 <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)

+
+#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
 #endif

+}

 
 

-/*
- * Metafiles
- * Currently, the only purpose for making a metafile is to put
- * it on the clipboard.
- */

 
 

-wxMetafileRefData::wxMetafileRefData(void)
+wxMetafileRefData::wxMetafileRefData( int width, int height)

 {
 {

-    m_metafile = 0;
+    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(void)
+wxMetafileRefData::~wxMetafileRefData()

 {
 {

+#if! wxMAC_USE_CORE_GRAPHICS

     if (m_metafile)
     {
     if (m_metafile)
     {

-                               KillPicture( m_metafile ) ;
-        m_metafile = 0;
+        KillPicture( (PicHandle)m_metafile );
+        m_metafile = NULL;

     }
     }

+#endif

 }
 
 }
 

-wxMetaFile::wxMetaFile(const wxString& file)
+void wxMetafileRefData::Init()

 {
 {

-    m_refData = new wxMetafileRefData;
+#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
+}

 
 

-    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);
-*/
+#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)
+{
+    m_refData = new wxMetafileRefData(file);

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

-bool wxMetaFile::SetClipboard(int width, int height)
+bool wxMetaFile::IsOk() const

 {
 {

-    if (!m_refData)
-        return FALSE;
-/*
-    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)
     {
     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(WXHMETAFILE mf)
+{
+    UnRef();
+
+#if wxMAC_USE_CORE_GRAPHICS
+    m_refData = new wxMetafileRefData((CFDataRef)mf);
+#else
+    m_refData = new wxMetafileRefData((PicHandle)mf);
+#endif
+}
+
+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

 }
 
 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->Ok())
+        return false;

 
 

-    if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
-        PlayMetaFile((HDC) dc->GetHDC(), (HMETAFILE) M_METAFILEDATA->m_metafile);
+    {
+#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
+    }

 
 

-    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;
-
-  wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
+    wxSize dataSize = wxDefaultSize;

 
 

-       m_metaFile = new wxMetaFile("") ;
-       Rect r={0,0,100,100} ;
-       
-       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)
+wxMetaFileDC::wxMetaFileDC(
+    const wxString& filename,
+    int width, int height,
+    const wxString& WXUNUSED(description) )

 {
 {

-  m_minX = 10000;
-  m_minY = 10000;
-  m_maxX = -10000;
-  m_maxY = -10000;
-
-  wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
-
-       m_metaFile = new wxMetaFile("") ;
-       Rect r={yorg,xorg,yorg+yext,xorg+xext} ;
-       
-       m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-       ::GetPort( &m_macPort ) ;       
-  m_ok = TRUE ;
+    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); 
+    SetMapMode( wxMM_TEXT );

 }
 
 wxMetaFileDC::~wxMetaFileDC()
 {
 }
 
 }
 
 wxMetaFileDC::~wxMetaFileDC()
 {
 }
 

+void wxMetaFileDC::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 *wxMetaFileDC::Close()
 {

-       ClosePicture() ;
-       return m_metaFile;
+#if wxMAC_USE_CORE_GRAPHICS
+    delete m_graphicContext;
+    m_graphicContext = NULL;
+    m_ok = false;
+#endif
+
+    M_METAFILEREFDATA(*m_metaFile)->Close();
+
+    return m_metaFile;
+}
+
+#if wxUSE_DATAOBJ
+size_t wxMetafileDataObject::GetDataSize() const
+{
+#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

 }
 
 }
 

+bool wxMetafileDataObject::GetDataHere(void *buf) const
+{
+    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
+    Handle pictH = (Handle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE();
+    result = (pictH != NULL);
+
+    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
 
 #endif