1f0c8f31f4
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54129 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
367 lines
9.4 KiB
C++
367 lines
9.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/mac/carbon/metafile.cpp
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// Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional.
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// Author: Stefan Csomor
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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//
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// Currently, the only purpose for making a metafile
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// is to put it on the clipboard.
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#include "wx/wxprec.h"
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#if wxUSE_METAFILE
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/app.h"
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#endif
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#include "wx/metafile.h"
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#include "wx/clipbrd.h"
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#include "wx/osx/uma.h"
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#include "wx/graphics.h"
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#include "wx/osx/carbon/metafile.h"
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#include <stdio.h>
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#include <string.h>
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IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
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IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
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IMPLEMENT_ABSTRACT_CLASS(wxMetafileDCImpl, wxGCDCImpl)
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#define M_METAFILEREFDATA( a ) ((wxMetafileRefData*)(a).GetRefData())
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class wxMetafileRefData : public wxGDIRefData
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{
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public:
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// default ctor needed for CreateGDIRefData(), must be initialized later
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wxMetafileRefData() { Init(); }
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// creates a metafile from memory, assumes ownership
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wxMetafileRefData(CFDataRef data);
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// prepares a recording metafile
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wxMetafileRefData( int width, int height);
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// prepares a metafile to be read from a file (if filename is not empty)
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wxMetafileRefData( const wxString& filename);
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virtual ~wxMetafileRefData();
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virtual bool IsOk() const { return m_data != NULL; }
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void Init();
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int GetWidth() const { return m_width; }
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int GetHeight() const { return m_height; }
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CGPDFDocumentRef GetPDFDocument() const { return m_pdfDoc; }
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void UpdateDocumentFromData() ;
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const wxCFDataRef& GetData() const { return m_data; }
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CGContextRef GetContext() const { return m_context; }
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// ends the recording
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void Close();
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private:
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wxCFDataRef m_data;
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wxCFRef<CGPDFDocumentRef> m_pdfDoc;
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CGContextRef m_context;
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int m_width ;
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int m_height ;
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};
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wxMetafileRefData::wxMetafileRefData(CFDataRef data) :
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m_data(data)
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{
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Init();
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UpdateDocumentFromData();
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}
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wxMetafileRefData::wxMetafileRefData( const wxString& filename )
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{
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Init();
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if ( !filename.empty() )
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{
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wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(filename)));
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CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
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wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
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m_pdfDoc.reset(CGPDFDocumentCreateWithURL(url));
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}
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}
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wxMetafileRefData::wxMetafileRefData( int width, int height)
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{
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Init();
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m_width = width;
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m_height = height;
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CGRect r = CGRectMake( 0 , 0 , width , height );
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CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
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m_data.reset(data);
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CGDataConsumerRef dataConsumer = wxMacCGDataConsumerCreateWithCFData(data);
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m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
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CGDataConsumerRelease( dataConsumer );
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if ( m_context )
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{
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CGPDFContextBeginPage(m_context, NULL);
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CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
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CGContextSetFillColorSpace( m_context, genericColorSpace );
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CGContextSetStrokeColorSpace( m_context, genericColorSpace );
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CGContextTranslateCTM( m_context , 0 , height ) ;
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CGContextScaleCTM( m_context , 1 , -1 ) ;
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}
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}
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wxMetafileRefData::~wxMetafileRefData()
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{
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}
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void wxMetafileRefData::Init()
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{
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m_context = NULL;
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m_width = -1;
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m_height = -1;
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}
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void wxMetafileRefData::Close()
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{
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CGPDFContextEndPage(m_context);
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CGContextRelease(m_context);
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m_context = NULL;
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UpdateDocumentFromData();
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}
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void wxMetafileRefData::UpdateDocumentFromData()
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{
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wxCFRef<CGDataProviderRef> provider(wxMacCGDataProviderCreateWithCFData(m_data));
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m_pdfDoc.reset(CGPDFDocumentCreateWithProvider(provider));
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if ( m_pdfDoc != NULL )
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{
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CGPDFPageRef page = CGPDFDocumentGetPage( m_pdfDoc, 1 );
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CGRect rect = CGPDFPageGetBoxRect ( page, kCGPDFMediaBox);
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m_width = wx_static_cast(int, rect.size.width);
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m_height = wx_static_cast(int, rect.size.height);
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}
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}
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wxMetaFile::wxMetaFile(const wxString& file)
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{
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m_refData = new wxMetafileRefData(file);
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}
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wxMetaFile::~wxMetaFile()
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{
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}
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wxGDIRefData *wxMetaFile::CreateGDIRefData() const
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{
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return new wxMetafileRefData;
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}
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wxGDIRefData *wxMetaFile::CloneGDIRefData(const wxGDIRefData *data) const
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{
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return new wxMetafileRefData(*wx_static_cast(const wxMetafileRefData *, data));
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}
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WXHMETAFILE wxMetaFile::GetHMETAFILE() const
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{
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return (WXHMETAFILE) (CFDataRef) M_METAFILEDATA->GetData();
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}
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bool wxMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
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{
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bool success = true;
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#if wxUSE_DRAG_AND_DROP
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if (m_refData == NULL)
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return false;
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bool alreadyOpen = wxTheClipboard->IsOpened();
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if (!alreadyOpen)
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{
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wxTheClipboard->Open();
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wxTheClipboard->Clear();
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}
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wxDataObject *data = new wxMetafileDataObject( *this );
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success = wxTheClipboard->SetData( data );
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if (!alreadyOpen)
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wxTheClipboard->Close();
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#endif
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return success;
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}
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void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
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{
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UnRef();
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m_refData = new wxMetafileRefData((CFDataRef)mf);
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}
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#ifndef __LP64__
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void wxMetafile::SetPICT(void* pictHandle)
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{
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UnRef();
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Handle picHandle = (Handle) pictHandle;
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HLock(picHandle);
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CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) *picHandle, GetHandleSize(picHandle), kCFAllocatorNull);
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wxCFRef<CGDataProviderRef> provider(wxMacCGDataProviderCreateWithCFData(data));
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QDPictRef pictRef = QDPictCreateWithProvider(provider);
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CGRect rect = QDPictGetBounds(pictRef);
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m_refData = new wxMetafileRefData(wx_static_cast(int, rect.size.width),
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wx_static_cast(int, rect.size.height));
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QDPictDrawToCGContext( ((wxMetafileRefData*) m_refData)->GetContext(), rect, pictRef );
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CFRelease( data );
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QDPictRelease( pictRef );
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((wxMetafileRefData*) m_refData)->Close();
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}
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#endif
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bool wxMetaFile::Play(wxDC *dc)
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{
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if (!m_refData)
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return false;
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if (!dc->IsOk())
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return false;
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{
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wxDCImpl *impl = dc->GetImpl();
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wxGCDCImpl *gc_impl = wxDynamicCast(impl, wxGCDCImpl);
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if (gc_impl)
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{
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CGContextRef cg = (CGContextRef) (gc_impl->GetGraphicsContext()->GetNativeContext());
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CGPDFDocumentRef doc = M_METAFILEDATA->GetPDFDocument();
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CGPDFPageRef page = CGPDFDocumentGetPage( doc, 1 );
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wxMacCGContextStateSaver save(cg);
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CGContextDrawPDFPage( cg, page );
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}
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// CGContextTranslateCTM( cg, 0, bounds.size.width );
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// CGContextScaleCTM( cg, 1, -1 );
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}
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return true;
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}
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wxSize wxMetaFile::GetSize() const
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{
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wxSize dataSize = wxDefaultSize;
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if (Ok())
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{
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dataSize.x = M_METAFILEDATA->GetWidth();
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dataSize.y = M_METAFILEDATA->GetHeight();
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}
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return dataSize;
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}
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// Metafile device context
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// New constructor that takes origin and extent. If you use this, don't
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// give origin/extent arguments to wxMakeMetaFilePlaceable.
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wxMetafileDCImpl::wxMetafileDCImpl(
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wxDC *owner,
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const wxString& filename,
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int width, int height,
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const wxString& WXUNUSED(description) ) :
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wxGCDCImpl( owner )
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{
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wxASSERT_MSG( width != 0 || height != 0, wxT("no arbitration of metafile size supported") );
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wxASSERT_MSG( filename.empty(), wxT("no file based metafile support yet"));
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m_metaFile = new wxMetaFile( filename );
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wxMetafileRefData* metafiledata = new wxMetafileRefData(width, height);
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m_metaFile->UnRef();
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m_metaFile->SetRefData( metafiledata );
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SetGraphicsContext( wxGraphicsContext::CreateFromNative(metafiledata->GetContext()));
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m_ok = (m_graphicContext != NULL) ;
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SetMapMode( wxMM_TEXT );
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}
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wxMetafileDCImpl::~wxMetafileDCImpl()
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{
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}
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void wxMetafileDCImpl::DoGetSize(int *width, int *height) const
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{
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wxCHECK_RET( m_metaFile, wxT("GetSize() doesn't work without a metafile") );
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wxSize sz = m_metaFile->GetSize();
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if (width)
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(*width) = sz.x;
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if (height)
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(*height) = sz.y;
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}
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wxMetaFile *wxMetafileDCImpl::Close()
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{
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delete m_graphicContext;
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m_graphicContext = NULL;
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m_ok = false;
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M_METAFILEREFDATA(*m_metaFile)->Close();
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return m_metaFile;
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}
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#if wxUSE_DATAOBJ
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size_t wxMetafileDataObject::GetDataSize() const
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{
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CFIndex length = 0;
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wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
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if ( refData )
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length = refData->GetData().GetLength();
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return length;
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}
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bool wxMetafileDataObject::GetDataHere(void *buf) const
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{
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bool result = false;
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wxMetafileRefData* refData = M_METAFILEREFDATA(m_metafile);
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if ( refData )
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{
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CFIndex length = refData->GetData().GetLength();
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if ( length > 0 )
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{
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result = true ;
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refData->GetData().GetBytes(CFRangeMake(0,length), (UInt8 *) buf);
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}
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}
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return result;
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}
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bool wxMetafileDataObject::SetData(size_t len, const void *buf)
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{
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wxMetafileRefData* metafiledata = new wxMetafileRefData(wxCFRefFromGet(wxCFDataRef((UInt8*)buf, len).get()));
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m_metafile.UnRef();
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m_metafile.SetRefData( metafiledata );
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return true;
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}
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#endif
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#endif
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