+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: src/mac/carbon/metafile.cpp
-// Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional.
-// Author: Stefan Csomor
-// Modified by:
-// Created: 04/01/98
-// RCS-ID: $Id$
-// Copyright: (c) Stefan Csomor
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-//
-// Currently, the only purpose for making a metafile
-// is to put it on the clipboard.
-
-
-#include "wx/wxprec.h"
-
-#if wxUSE_METAFILE
-
-#ifndef WX_PRECOMP
- #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 "wx/mac/carbon/metafile.h"
-
-#include <stdio.h>
-#include <string.h>
-
-IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
-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);
-
- // 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();
-
- 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)
-{
- Init();
- UpdateDocumentFromData();
-}
-
-wxMetafileRefData::wxMetafileRefData( const wxString& filename )
-{
- Init();
-
- if ( !filename.empty() )
- {
- wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(filename)));
- CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
- wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
- m_pdfDoc.reset(CGPDFDocumentCreateWithURL(url));
- }
-}
-
-
-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()
-{
- 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()
-{
-}
-
-wxGDIRefData *wxMetaFile::CreateGDIRefData() const
-{
- 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;
-
-#if wxUSE_DRAG_AND_DROP
- if (m_refData == NULL)
- return false;
-
- bool alreadyOpen = wxTheClipboard->IsOpened();
- if (!alreadyOpen)
- {
- wxTheClipboard->Open();
- wxTheClipboard->Clear();
- }
-
- wxDataObject *data = new wxMetafileDataObject( *this );
- success = wxTheClipboard->SetData( data );
- if (!alreadyOpen)
- wxTheClipboard->Close();
-#endif
-
- return success;
-}
-
-void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
-{
- UnRef();
-
- 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)
- return false;
-
- if (!dc->IsOk())
- return false;
-
- {
- 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;
-}
-
-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.
-
-wxMetafileDCImpl::wxMetafileDCImpl(
- wxDC *owner,
- const wxString& filename,
- int width, int height,
- const wxString& WXUNUSED(description) ) :
- wxGCDCImpl( owner )
-{
- 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 );
-}
-
-wxMetafileDCImpl::~wxMetafileDCImpl()
-{
-}
-
-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 *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
-{
- 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
projects / wxWidgets.git / blobdiff