fix unused variables and parameters warnings

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

diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp
index aca4bc0ae5b233e18a9c5c17177a2da896b1cda2..7d09ee10333822d3caebc581b2dbcdd49d5c40a7 100644 (file)
--- a/src/mac/carbon/metafile.cpp
+++ b/src/mac/carbon/metafile.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.
 // Author:      Stefan Csomor
 // Modified by:
 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.
 // Author:      Stefan Csomor
 // Modified by:


@@ -8,206 +8,345 @@
 // Copyright:   (c) Stefan Csomor
 // 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/private.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)

 
 

-/*
- * Metafiles
- * Currently, the only purpose for making a metafile is to put
- * it on the clipboard.
- */
+#define M_METAFILEREFDATA( a ) ((wxMetafileRefData*)(a).GetRefData())

 
 

-wxMetafileRefData::wxMetafileRefData(void)
+class wxMetafileRefData: public wxGDIRefData
+{
+public:
+    // creates a metafile from memory, assumes ownership
+    wxMetafileRefData(CFDataRef data);
+    // 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; }
+
+    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( (PicHandle) 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)
+{
+    Init();
+
+    m_width = width;
+    m_height = height;
+
+    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()

 {
 {

-    m_refData = new wxMetafileRefData;
+    CGPDFContextEndPage(m_context);

 
 

+    CGContextRelease(m_context);
+    m_context = NULL;

 
 

-    M_METAFILEDATA->m_metafile = 0;
-    wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet") ) ;
-/*
-    if (!file.IsNull() && (file.Cmp("") == 0))
-        M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
-*/
+    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)
+bool wxMetaFile::IsOk() const

 {
 {

+    return (M_METAFILEDATA && (M_METAFILEDATA->GetData() != NULL));
+}
+
+WXHMETAFILE wxMetaFile::GetHMETAFILE() const
+{
+    return (WXHMETAFILE) (CFDataRef) M_METAFILEDATA->GetData();
+}
+
+bool wxMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
+{
+    bool success = true;
+

 #if wxUSE_DRAG_AND_DROP
 #if wxUSE_DRAG_AND_DROP

-    //TODO finishi this port , we need the data obj first
-    if (!m_refData)
-        return FALSE;
-    
-    bool alreadyOpen=wxTheClipboard->IsOpened() ;
+    if (m_refData == NULL)
+        return false;
+
+    bool alreadyOpen = wxTheClipboard->IsOpened();

     if (!alreadyOpen)
     {
         wxTheClipboard->Open();
         wxTheClipboard->Clear();
     }
     if (!alreadyOpen)
     {
         wxTheClipboard->Open();
         wxTheClipboard->Clear();
     }

-    wxDataObject *data =
-        new wxMetafileDataObject( *this) ;
-    bool success = wxTheClipboard->SetData(data);
-    if (!alreadyOpen) 
+
+    wxDataObject *data = new wxMetafileDataObject( *this );
+    success = wxTheClipboard->SetData( data );
+    if (!alreadyOpen)

         wxTheClipboard->Close();
         wxTheClipboard->Close();

-    return (bool) success;

 #endif
 #endif

-    return TRUE ;
+
+    return success;

 }
 
 void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
 {
 }
 
 void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
 {

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

 
 

-    M_METAFILEDATA->m_metafile = mf;
+    m_refData = new wxMetafileRefData((CFDataRef)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)
 {
     if (!m_refData)
 
 bool wxMetaFile::Play(wxDC *dc)
 {
     if (!m_refData)

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

     {
     {

-        wxMacPortSetter helper( dc ) ;
-        PicHandle pict = (PicHandle) GetHMETAFILE() ;
-        DrawPicture( pict , &(**pict).picFrame ) ;
+        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 );

     }
     }

-    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)
-{
-    m_metaFile = NULL;
-    m_minX = 10000;
-    m_minY = 10000;
-    m_maxX = -10000;
-    m_maxY = -10000;
-    
-    wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet") ) ;
-    
-    m_metaFile = new wxMetaFile(wxEmptyString) ;
-    Rect r={0,0,1000,1000} ;
-    
-    m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-    ::GetPort( (GrafPtr*) &m_macPort ) ;    
-    m_ok = TRUE ;
-    
-    SetMapMode(wxMM_TEXT); 
+
+    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.
 
 // 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( file.IsEmpty() , wxT("no file based metafile support yet")) ;
-    
-    m_metaFile = new wxMetaFile(wxEmptyString) ;
-    Rect r={yorg,xorg,yorg+yext,xorg+xext} ;
-    
-    m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-    ::GetPort( (GrafPtr*) &m_macPort ) ;    
-    m_ok = TRUE ;
-    
-    SetMapMode(wxMM_TEXT); 
+    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 );
+
+    SetGraphicsContext( wxGraphicsContext::CreateFromNative(metafiledata->GetContext()));
+    m_ok = (m_graphicContext != NULL) ;
+
+    SetMapMode( wxMM_TEXT );

 }
 
 }
 

-wxMetaFileDC::~wxMetaFileDC()
+wxMetafileDCImpl::~wxMetafileDCImpl()

 {
 }
 
 {
 }
 

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

 {
 {

-    ClosePicture() ;
+    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 *wxMetafileDCImpl::Close()
+{
+    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
 {
     return m_metaFile;
 }
 
 #if wxUSE_DATAOBJ
 size_t wxMetafileDataObject::GetDataSize() const
 {

-    return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ;
+    CFIndex length = 0;
+    wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
+    if ( refData )
+        length = refData->GetData().GetLength();
+    return length;

 }
 
 bool wxMetafileDataObject::GetDataHere(void *buf) const
 {
 }
 
 bool wxMetafileDataObject::GetDataHere(void *buf) const
 {

-    memcpy( buf , (*(PicHandle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE()) ,
-        GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ) ) ;
-    return true ;
+    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)
 {
 }
 
 bool wxMetafileDataObject::SetData(size_t len, const void *buf)
 {

-    Handle handle = (Handle) m_metafile.GetHMETAFILE() ;
-    SetHandleSize( handle , len ) ;
-    memcpy( *handle , buf , len ) ;
-    return true ;
+    wxMetafileRefData* metafiledata = new wxMetafileRefData(wxCFRefFromGet(wxCFDataRef((UInt8*)buf, len).get()));
+    m_metafile.UnRef();
+    m_metafile.SetRefData( metafiledata );
+    return true;

 }
 #endif
 
 }
 #endif