// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Stefan Csomor
+// copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
extern void wxOSXUnlockFocus( WXWidget view) ;
#endif
+#if 1 // MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
+
+// TODO test whether this private API also works under 10.3
+
+// copying values from NSCompositingModes (see also webkit and cairo sources)
+
+typedef enum CGCompositeOperation {
+ kCGCompositeOperationClear = 0,
+ kCGCompositeOperationCopy = 1,
+ kCGCompositeOperationSourceOver = 2,
+ kCGCompositeOperationSourceIn = 3,
+ kCGCompositeOperationSourceOut = 4,
+ kCGCompositeOperationSourceAtop = 5,
+ kCGCompositeOperationDestinationOver = 6,
+ kCGCompositeOperationDestinationIn = 7,
+ kCGCompositeOperationDestinationOut = 8,
+ kCGCompositeOperationDestinationAtop = 9,
+ kCGCompositeOperationXOR = 10,
+ kCGCompositeOperationPlusDarker = 11,
+// NS only, unsupported by CG : Highlight
+ kCGCompositeOperationPlusLighter = 12
+} CGCompositeOperation ;
+
+extern "C"
+{
+ CG_EXTERN void CGContextSetCompositeOperation (CGContextRef context, int operation);
+} ;
+
+#endif
//-----------------------------------------------------------------------------
// constants
}
else
{
- if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR )
- {
- CGContextSetRGBStrokeColor( cg , (CGFloat) 1.0,(CGFloat) 1.0 , (CGFloat) 1.0, (CGFloat) 1.0 );
- }
- else
- CGContextSetStrokeColorWithColor( cg , m_color );
+ CGContextSetStrokeColorWithColor( cg , m_color );
}
}
virtual void * GetNativeContext();
- bool SetLogicalFunction( wxRasterOperationMode function );
+ virtual bool SetAntialiasMode(wxAntialiasMode antialias);
+
+ virtual bool SetCompositionMode(wxCompositionMode op);
+
+ virtual void BeginLayer(wxDouble opacity);
+
+ virtual void EndLayer();
+
//
// transformation
//
wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
{
SetNativeContext(NULL);
-#if wxOSX_USE_COCOA_OR_IPHONE
- if ( m_view )
- {
- CGContextFlush(m_cgContext);
- }
-#endif
}
void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
return m_cgContext != NULL;
}
-// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
-
-bool wxMacCoreGraphicsContext::SetLogicalFunction( wxRasterOperationMode function )
+bool wxMacCoreGraphicsContext::SetAntialiasMode(wxAntialiasMode antialias)
{
- if (m_logicalFunction == function)
+ if (EnsureIsValid()==false)
+ return true;
+
+ if (m_antialias == antialias)
return true;
+
+ m_antialias = antialias;
+
+ bool antialiasMode;
+ switch (antialias)
+ {
+ case wxANTIALIAS_DEFAULT:
+ antialiasMode = true;
+ break;
+ case wxANTIALIAS_NONE:
+ antialiasMode = false;
+ break;
+ default:
+ return false;
+ }
+ CGContextSetShouldAntialias(m_cgContext, antialiasMode);
+ return true;
+}
+bool wxMacCoreGraphicsContext::SetCompositionMode(wxCompositionMode op)
+{
if (EnsureIsValid()==false)
return true;
-
- bool retval = false;
- bool shouldAntiAlias = true;
- CGBlendMode mode = kCGBlendModeNormal;
-#if defined(__WXMAC__) && ( wxOSX_USE_IPHONE || ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 ) )
-#if wxOSX_USE_IPHONE
- if ( 1 )
-#else
- if ( UMAGetSystemVersion() >= 0x1050 )
-#endif
+ if ( m_composition == op )
+ return true;
+
+ m_composition = op;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return true;
+
+#if wxOSX_USE_COCOA_OR_CARBON
+ if ( UMAGetSystemVersion() < 0x1060 )
{
- retval = true;
- switch ( function )
+ CGCompositeOperation cop = kCGCompositeOperationSourceOver;
+ CGBlendMode mode = kCGBlendModeNormal;
+ switch( op )
{
- // TODO find best corresponding porter duff modes
- case wxCOPY :
- mode = kCGBlendModeCopy;
- break;
- case wxCLEAR :
- mode = kCGBlendModeClear;
- break;
- case wxXOR :
- mode = kCGBlendModeXOR;
- shouldAntiAlias = false;
- break;
- default :
- retval = false;
- break;
+ case wxCOMPOSITION_CLEAR:
+ cop = kCGCompositeOperationClear;
+ break;
+ case wxCOMPOSITION_SOURCE:
+ cop = kCGCompositeOperationCopy;
+ break;
+ case wxCOMPOSITION_OVER:
+ mode = kCGBlendModeNormal;
+ break;
+ case wxCOMPOSITION_IN:
+ cop = kCGCompositeOperationSourceIn;
+ break;
+ case wxCOMPOSITION_OUT:
+ cop = kCGCompositeOperationSourceOut;
+ break;
+ case wxCOMPOSITION_ATOP:
+ cop = kCGCompositeOperationSourceAtop;
+ break;
+ case wxCOMPOSITION_DEST_OVER:
+ cop = kCGCompositeOperationDestinationOver;
+ break;
+ case wxCOMPOSITION_DEST_IN:
+ cop = kCGCompositeOperationDestinationIn;
+ break;
+ case wxCOMPOSITION_DEST_OUT:
+ cop = kCGCompositeOperationDestinationOut;
+ break;
+ case wxCOMPOSITION_DEST_ATOP:
+ cop = kCGCompositeOperationDestinationAtop;
+ break;
+ case wxCOMPOSITION_XOR:
+ cop = kCGCompositeOperationXOR;
+ break;
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
+ case wxCOMPOSITION_ADD:
+ mode = kCGBlendModePlusLighter ;
+ break;
+#endif
+ default:
+ return false;
}
+ if ( cop != kCGCompositeOperationSourceOver )
+ CGContextSetCompositeOperation(m_cgContext, cop);
+ else
+ CGContextSetBlendMode(m_cgContext, mode);
}
- else
#endif
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
+ else
{
- if ( function == wxCOPY )
- {
- retval = true;
- }
- else if ( function == wxINVERT || function == wxXOR )
+ CGBlendMode mode = kCGBlendModeNormal;
+ switch( op )
{
- // change color to white
- mode = kCGBlendModeExclusion;
- shouldAntiAlias = false;
- retval = true;
+ case wxCOMPOSITION_CLEAR:
+ mode = kCGBlendModeClear;
+ break;
+ case wxCOMPOSITION_SOURCE:
+ mode = kCGBlendModeCopy;
+ break;
+ case wxCOMPOSITION_OVER:
+ mode = kCGBlendModeNormal;
+ break;
+ case wxCOMPOSITION_IN:
+ mode = kCGBlendModeSourceIn;
+ break;
+ case wxCOMPOSITION_OUT:
+ mode = kCGBlendModeSourceOut;
+ break;
+ case wxCOMPOSITION_ATOP:
+ mode = kCGBlendModeSourceAtop;
+ break;
+ case wxCOMPOSITION_DEST_OVER:
+ mode = kCGBlendModeDestinationOver;
+ break;
+ case wxCOMPOSITION_DEST_IN:
+ mode = kCGBlendModeDestinationIn;
+ break;
+ case wxCOMPOSITION_DEST_OUT:
+ mode = kCGBlendModeDestinationOut;
+ break;
+ case wxCOMPOSITION_DEST_ATOP:
+ mode = kCGBlendModeDestinationAtop;
+ break;
+ case wxCOMPOSITION_XOR:
+ mode = kCGBlendModeXOR;
+ break;
+
+ case wxCOMPOSITION_ADD:
+ mode = kCGBlendModePlusLighter ;
+ break;
+ default:
+ return false;
}
+ CGContextSetBlendMode(m_cgContext, mode);
}
+#endif
+ return true;
+}
- if (retval)
- {
- m_logicalFunction = function;
- CGContextSetBlendMode( m_cgContext, mode );
- CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias);
- }
- return retval ;
+void wxMacCoreGraphicsContext::BeginLayer(wxDouble opacity)
+{
+ CGContextSaveGState(m_cgContext);
+ CGContextSetAlpha(m_cgContext, opacity);
+ CGContextBeginTransparencyLayer(m_cgContext, 0);
+}
+
+void wxMacCoreGraphicsContext::EndLayer()
+{
+ CGContextEndTransparencyLayer(m_cgContext);
+ CGContextRestoreGState(m_cgContext);
}
void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
// when using shading, we cannot draw pen and brush at the same time
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
CGContextSaveGState( m_cgContext );
{
if (EnsureIsValid()==false)
return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
#ifdef __WXMAC__
wxMacCoreGraphicsBitmapData* refdata =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
CGRect r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) w , (CGFloat) h );
CGContextSaveGState( m_cgContext );
CGContextTranslateCTM( m_cgContext,(CGFloat) x ,(CGFloat) (y + h) );
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
#if wxOSX_USE_CORE_TEXT
if ( UMAGetSystemVersion() >= 0x1050 )
{
if (EnsureIsValid()==false)
return;
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
#if wxOSX_USE_CORE_TEXT
if ( UMAGetSystemVersion() >= 0x1050 )
{
projects / wxWidgets.git / blobdiff