X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0822896b3354f8698835d234ce2655daa640704..6258f9d978f9794820ad0a051994d8aad7c5c477:/src/mac/carbon/metafile.cpp

diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp
index 9d3d1576b7..5dce1f01a0 100644
--- a/src/mac/carbon/metafile.cpp
+++ b/src/mac/carbon/metafile.cpp
@@ -1,187 +1,451 @@
 /////////////////////////////////////////////////////////////////////////////
-// 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"
-#endif
 
-// For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include "wx/setup.h"
-#endif
-
 #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"
+#include "wx/mac/uma.h"
+#include "wx/graphics.h"
 
 #include <stdio.h>
 #include <string.h>
 
-extern bool wxClipboardIsOpen;
-
-#if !USE_SHARED_LIBRARY
 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();
 
-/*
- * Metafiles
- * Currently, the only purpose for making a metafile is to put
- * it on the clipboard.
- */
+    int GetWidth() const { return m_width; }
+    int GetHeight() const { return m_height; }
 
-wxMetafileRefData::wxMetafileRefData(void)
+#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)
 {
-    m_metafile = 0;
+    Init();
+    UpdateDocumentFromData();
 }
+#endif
 
-wxMetafileRefData::~wxMetafileRefData(void)
+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
+}
+
+
+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( m_metafile ) ;
-        m_metafile = 0;
+        KillPicture( (PicHandle)m_metafile );
+        m_metafile = NULL;
     }
+#endif
 }
 
-wxMetaFile::wxMetaFile(const wxString& file)
+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()
 {
-    m_refData = new wxMetafileRefData;
+#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
 
-    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);
-*/
+wxMetaFile::wxMetaFile(const wxString& file)
+{
+    m_refData = new wxMetafileRefData(file);
 }
 
 wxMetaFile::~wxMetaFile()
 {
 }
 
-bool wxMetaFile::SetClipboard(int width, int height)
+bool wxMetaFile::IsOk() const
+{
+#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
-//TODO finishi this port , we need the data obj first
-    if (!m_refData)
-        return FALSE;
+    if (m_refData == NULL)
+        return false;
 
-    bool alreadyOpen=wxTheClipboard->IsOpened() ;
+    bool alreadyOpen = wxTheClipboard->IsOpened();
     if (!alreadyOpen)
     {
         wxTheClipboard->Open();
-        if (!wxTheClipboard->Clear()) return FALSE;
+        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 TRUE ;
+
+    return success;
 }
 
-void wxMetafile::SetHMETAFILE(PicHandle mf)
+void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
 {
-    if (!m_refData)
-        m_refData = new wxMetafileRefData;
+    UnRef();
 
-    M_METAFILEDATA->m_metafile = mf;
+#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)
 {
-  if (!m_refData)
-    return FALSE;
+    if (!m_refData)
+        return false;
 
-	if (!dc->Ok() )
-		return FALSE;
-		
-	{
-		wxMacPortSetter helper( dc ) ;
-		PicHandle pict = GetHMETAFILE() ;
-		DrawPicture( pict , &(**pict).picFrame ) ;
-	}
-    return TRUE;
-}
+    if (!dc->Ok())
+        return false;
 
-/*
- * Metafile device context
- *
- */
+    {
+#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
+    }
 
-// 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)
-{
-  m_metaFile = NULL;
-  m_minX = 10000;
-  m_minY = 10000;
-  m_maxX = -10000;
-  m_maxY = -10000;
+    return true;
+}
 
-  wxASSERT_MSG( file.IsEmpty() , "no file based metafile support yet") ;
+wxSize wxMetaFile::GetSize() const
+{
+    wxSize dataSize = wxDefaultSize;
 
-  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.
 
-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()
 {
 }
 
+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()
 {
-	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