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moving to PDF for metafiles on Quartz

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46099 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2007-05-18 07:59:07 +00:00
parent cacec24186
commit 91108b611a
2 changed files with 213 additions and 74 deletions
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4
src/mac/carbon/dataobj.cpp
View File

@@ -88,7 +88,11 @@ void wxDataFormat::SetType( wxDataFormatId dataType )
#endif
break;
case wxDF_METAFILE:
#if wxMAC_USE_CORE_GRAPHICS
m_format = 'PDF ';
#else
m_format = kScrapFlavorTypePicture;
#endif
break;
case wxDF_FILENAME:

283
src/mac/carbon/metafile.cpp
View File

@@ -33,58 +33,181 @@
IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
#define M_METAFILEREFDATA( a ) ((wxMetafileRefData*)(a).GetRefData())
class wxMetafileRefData: public wxGDIRefData
{
friend class WXDLLEXPORT wxMetafile;
public:
wxMetafileRefData();
#if wxMAC_USE_CORE_GRAPHICS
// creates a metafile from memory, assumes ownership
wxMetafileRefData(CFDataRef data);
#else
// creates a metafile from memory, assumes ownership
wxMetafileRefData(Handle 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();
private:
PicHandle m_metafile;
void Init();
#if wxMAC_USE_CORE_GRAPHICS
QDPictRef m_qdPictRef;
CGPDFDocumentRef GetPDFDocument() const { return m_pdfDoc; }
void UpdateDocumentFromData() ;
const wxCFDataRef& GetData() const { return m_data; }
CGContextRef GetContext() const { return m_context; }
int GetWidth() const { return m_width; }
int GetHeight() const { return m_height; }
#else
Handle 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 ;
};
wxMetafileRefData::wxMetafileRefData()
#if! wxMAC_USE_CORE_GRAPHICS
wxMetafileRefData::wxMetafileRefData(Handle pict)
{
m_metafile = NULL;
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
m_qdPictRef = NULL;
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 = CGDataConsumerCreateWithCFData(data);
m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
CGDataConsumerRelease( dataConsumer );
if ( m_context )
{
if ( &CGPDFContextBeginPage != NULL )
CGPDFContextBeginPage(m_context, NULL);
else
CGContextBeginPage(m_context, NULL);
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)
{
#ifndef __LP64__
KillPicture( (PicHandle)m_metafile );
m_metafile = NULL;
}
#endif
}
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()
{
#if wxMAC_USE_CORE_GRAPHICS
if ( &CGPDFContextEndPage != NULL )
CGPDFContextEndPage(m_context);
else
CGContextEndPage(m_context);
CGContextRelease(m_context);
m_context = NULL;
UpdateDocumentFromData();
#else
ClosePicture();
#endif
}
#if wxMAC_USE_CORE_GRAPHICS
QDPictRelease( m_qdPictRef );
m_qdPictRef = NULL;
#endif
#endif
void wxMetafileRefData::UpdateDocumentFromData()
{
wxCFRef<CGDataProviderRef> provider(CGDataProviderCreateWithCFData(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;
M_METAFILEDATA->m_metafile = NULL;
wxASSERT_MSG( file.empty(), wxT("no file-based metafile support yet") );
#if 0
if (!file.IsNull() && (file.Cmp("") == 0))
M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile( file );
#endif
m_refData = new wxMetafileRefData(file);
}
wxMetaFile::~wxMetaFile()
@@ -93,12 +216,20 @@ wxMetaFile::~wxMetaFile()
bool wxMetaFile::IsOk() const
{
return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != NULL));
#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
{
return (WXHMETAFILE) M_METAFILEDATA->m_metafile;
#if wxMAC_USE_CORE_GRAPHICS
return (WXHMETAFILE) (CFDataRef) M_METAFILEDATA->GetData();
#else
return (WXHMETAFILE) M_METAFILEDATA->GetHandle();
#endif
}
bool wxMetaFile::SetClipboard(int width, int height)
@@ -106,7 +237,6 @@ bool wxMetaFile::SetClipboard(int width, int height)
bool success = true;
#if wxUSE_DRAG_AND_DROP
// TODO: to finish this port, we need the data object first
if (m_refData == NULL)
return false;
@@ -130,28 +260,10 @@ void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
{
UnRef();
m_refData = new wxMetafileRefData;
M_METAFILEDATA->m_metafile = (PicHandle)mf;
#if wxMAC_USE_CORE_GRAPHICS
size_t sz = GetHandleSize( (Handle) M_METAFILEDATA->m_metafile );
wxMemoryBuffer* membuf = new wxMemoryBuffer( sz );
void *data = membuf->GetWriteBuf( sz );
memcpy( data, *M_METAFILEDATA->m_metafile, sz );
membuf->UngetWriteBuf( sz );
CGDataProviderRef provider = CGDataProviderCreateWithData(
membuf, data, sz, wxMacMemoryBufferReleaseProc );
M_METAFILEDATA->m_qdPictRef = NULL;
#ifndef __LP64__
if (provider != NULL)
{
M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider );
CGDataProviderRelease( provider );
}
#endif
m_refData = new wxMetafileRefData((CFDataRef)mf);
#else
m_refData = new wxMetafileRefData((Handle)mf);
#endif
}
@@ -165,17 +277,13 @@ bool wxMetaFile::Play(wxDC *dc)
{
#if wxMAC_USE_CORE_GRAPHICS
#ifndef __LP64__
QDPictRef cgPictRef = M_METAFILEDATA->m_qdPictRef;
CGContextRef cg = (CGContextRef) dc->GetGraphicsContext()->GetNativeContext();
CGRect bounds = QDPictGetBounds( cgPictRef );
CGContextSaveGState( cg );
CGContextTranslateCTM( cg, 0, bounds.size.width );
CGContextScaleCTM( cg, 1, -1 );
QDPictDrawToCGContext( cg, bounds, cgPictRef );
CGContextRestoreGState( cg );
#endif
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 );
@@ -193,13 +301,8 @@ wxSize wxMetaFile::GetSize() const
if (Ok())
{
#ifndef __LP64__
PicHandle pict = (PicHandle)GetHMETAFILE();
Rect r;
wxMacGetPictureBounds( pict, &r );
dataSize.x = r.right - r.left;
dataSize.y = r.bottom - r.top;
#endif
dataSize.x = M_METAFILEDATA->GetWidth();
dataSize.y = M_METAFILEDATA->GetHeight();
}
return dataSize;
@@ -219,17 +322,17 @@ wxMetaFileDC::wxMetaFileDC(
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 );
m_metaFile->SetHMETAFILE( (WXHMETAFILE)OpenPicture( &r ) );
::GetPort( (GrafPtr*)&m_macPort );
m_ok = true;
#endif
@@ -253,36 +356,68 @@ void wxMetaFileDC::DoGetSize(int *width, int *height) const
wxMetaFile *wxMetaFileDC::Close()
{
#ifndef __LP64__
ClosePicture();
#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();
bool result = (pictH != NULL);
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