// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Stefan Csomor
+// copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/osx/dcprint.h"
#include "wx/osx/dcclient.h"
#include "wx/osx/dcmemory.h"
-#if wxOSX_USE_CARBON
-#include "wx/osx/uma.h"
-#else
-#include "wx/osx/private.h"
-#endif
-
+ #include "wx/osx/private.h"
#else
#include "CoreServices/CoreServices.h"
#include "ApplicationServices/ApplicationServices.h"
#if wxOSX_USE_COCOA_OR_IPHONE
extern CGContextRef wxOSXGetContextFromCurrentNSContext() ;
-extern void wxOSXLockFocus( WXWidget view) ;
+extern bool wxOSXLockFocus( WXWidget view) ;
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
//
DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsContext)
private:
- void EnsureIsValid();
+ bool EnsureIsValid();
virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
virtual void DoDrawRotatedText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
CGAffineTransform m_windowTransform;
wxDouble m_width;
wxDouble m_height;
+ bool m_invisible;
#if wxOSX_USE_COCOA_OR_CARBON
wxCFRef<HIShapeRef> m_clipRgn;
#if wxOSX_USE_COCOA_OR_IPHONE
m_view = NULL;
#endif
+ m_invisible = false;
}
wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)
wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
{
SetNativeContext(NULL);
-#if wxOSX_USE_COCOA_OR_IPHONE
- if ( m_view )
- {
- CGContextFlush(m_cgContext);
- }
-#endif
}
void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
CGContextFlush(m_cgContext);
}
-void wxMacCoreGraphicsContext::EnsureIsValid()
+bool wxMacCoreGraphicsContext::EnsureIsValid()
{
if ( !m_cgContext )
{
+ if (m_invisible)
+ return false;
+
#if wxOSX_USE_COCOA_OR_IPHONE
- wxOSXLockFocus(m_view);
- m_cgContext = wxOSXGetContextFromCurrentNSContext();
+ if ( wxOSXLockFocus(m_view) )
+ {
+ m_cgContext = wxOSXGetContextFromCurrentNSContext();
+ wxASSERT_MSG( m_cgContext != NULL, _T("Unable to retrieve drawing context from View"));
+ }
+ else
+ {
+ m_invisible = true;
+ }
#endif
#if wxOSX_USE_CARBON
OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
wxFAIL_MSG("Cannot nest wxDCs on the same window");
}
#endif
- CGContextConcatCTM( m_cgContext, m_windowTransform );
- CGContextSaveGState( m_cgContext );
- m_contextSynthesized = true;
- if ( m_clipRgn.get() )
+ if ( m_cgContext )
{
- // the clip region is in device coordinates, so we convert this again to user coordinates
- wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) );
- CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
- HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
- // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
- if ( HIShapeIsEmpty(hishape))
+ CGContextConcatCTM( m_cgContext, m_windowTransform );
+ CGContextSaveGState( m_cgContext );
+ m_contextSynthesized = true;
+ if ( m_clipRgn.get() )
{
- CGRect empty = CGRectMake( 0,0,0,0 );
- CGContextClipToRect( m_cgContext, empty );
+ // the clip region is in device coordinates, so we convert this again to user coordinates
+ wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) );
+ CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
+ HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
+ // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
+ if ( HIShapeIsEmpty(hishape))
+ {
+ CGRect empty = CGRectMake( 0,0,0,0 );
+ CGContextClipToRect( m_cgContext, empty );
+ }
+ else
+ {
+ HIShapeReplacePathInCGContext( hishape, m_cgContext );
+ CGContextClip( m_cgContext );
+ }
}
- else
+ CGContextSaveGState( m_cgContext );
+
+#if 0 // turn on for debugging of clientdc
+ static float color = 0.5 ;
+ static int channel = 0 ;
+ CGRect bounds = CGRectMake(-1000,-1000,2000,2000);
+ CGContextSetRGBFillColor( m_cgContext, channel == 0 ? color : 0.5 ,
+ channel == 1 ? color : 0.5 , channel == 2 ? color : 0.5 , 1 );
+ CGContextFillRect( m_cgContext, bounds );
+ color += 0.1 ;
+ if ( color > 0.9 )
{
- HIShapeReplacePathInCGContext( hishape, m_cgContext );
- CGContextClip( m_cgContext );
+ color = 0.5 ;
+ channel++ ;
+ if ( channel == 3 )
+ channel = 0 ;
}
- }
- CGContextSaveGState( m_cgContext );
-
-#if 0 // turn on for debugging of clientdc
- static float color = 0.5 ;
- static int channel = 0 ;
- CGRect bounds = CGRectMake(-1000,-1000,2000,2000);
- CGContextSetRGBFillColor( m_cgContext, channel == 0 ? color : 0.5 ,
- channel == 1 ? color : 0.5 , channel == 2 ? color : 0.5 , 1 );
- CGContextFillRect( m_cgContext, bounds );
- color += 0.1 ;
- if ( color > 0.9 )
- {
- color = 0.5 ;
- channel++ ;
- if ( channel == 3 )
- channel = 0 ;
- }
#endif
+ }
}
+ 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;
- EnsureIsValid();
+ 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 retval = false;
- bool shouldAntiAlias = true;
- CGBlendMode mode = kCGBlendModeNormal;
+bool wxMacCoreGraphicsContext::SetCompositionMode(wxCompositionMode op)
+{
+ if (EnsureIsValid()==false)
+ return true;
-#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 )
+ CGBlendMode mode = kCGBlendModeNormal;
+ switch( op )
{
- retval = true;
- }
- else if ( function == wxINVERT || function == wxXOR )
- {
- // 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 ( m_pen.IsNull() )
return ;
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )
{
+ 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
}
}
- EnsureIsValid();
-
if ( !m_brush.IsNull() )
((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
if ( !m_pen.IsNull() )
if ( m_brush.IsNull() )
return;
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
#ifdef __WXMAC__
wxMacCoreGraphicsBitmapData* refdata =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
CGImageRef image = refdata->GetBitmap();
void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- EnsureIsValid();
+ 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) );
CGContextScaleCTM( m_cgContext, 1, -1 );
-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON
PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
- NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
+ NULL , kPlotIconRefNormalFlags , icon.GetHICON() );
#endif
CGContextRestoreGState( m_cgContext );
}
void wxMacCoreGraphicsContext::PushState()
{
- EnsureIsValid();
-
+ if (EnsureIsValid()==false)
+ return;
+
CGContextSaveGState( m_cgContext );
}
void wxMacCoreGraphicsContext::PopState()
{
- EnsureIsValid();
-
+ if (EnsureIsValid()==false)
+ return;
+
CGContextRestoreGState( m_cgContext );
}
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
#if wxOSX_USE_CORE_TEXT
if ( UMAGetSystemVersion() >= 0x1050 )
{
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ return;
+
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
#if wxOSX_USE_CORE_TEXT
if ( UMAGetSystemVersion() >= 0x1050 )
{
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