X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/94a007ece4bcd6231d31bcb91516463b7f981a0e..55410bb4f67febe1ca20654f078ea4fb9a6223ae:/src/osx/carbon/graphics.cpp?ds=inline diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp index f29097f36e..98ce41f0d8 100644 --- a/src/osx/carbon/graphics.cpp +++ b/src/osx/carbon/graphics.cpp @@ -5,7 +5,7 @@ // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Stefan Csomor +// copyright: (c) Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -39,12 +39,7 @@ #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" @@ -76,6 +71,42 @@ int UMAGetSystemVersion() #endif +#if wxOSX_USE_COCOA_OR_IPHONE +extern CGContextRef wxOSXGetContextFromCurrentNSContext() ; +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 //----------------------------------------------------------------------------- @@ -532,12 +563,7 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context ) } 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 ); } } @@ -1256,7 +1282,7 @@ void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wx *h = bounds.size.height; } -bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const +bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle) const { return CGPathContainsPoint( m_path, NULL, CGPointMake((CGFloat) x,(CGFloat) y), fillStyle == wxODDEVEN_RULE ); } @@ -1314,7 +1340,14 @@ public: 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 // @@ -1344,10 +1377,10 @@ public: virtual void StrokePath( const wxGraphicsPath &path ); // fills a path with the current brush - virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); + virtual void FillPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); // draws a path by first filling and then stroking - virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); + virtual void DrawPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); virtual bool ShouldOffset() const { @@ -1384,7 +1417,7 @@ public: 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 ); @@ -1392,13 +1425,16 @@ private: CGContextRef m_cgContext; #if wxOSX_USE_CARBON WindowRef m_windowRef; +#else + WXWidget m_view; #endif - bool m_releaseContext; + bool m_contextSynthesized; CGAffineTransform m_windowTransform; wxDouble m_width; wxDouble m_height; + bool m_invisible; -#if wxOSX_USE_CARBON +#if wxOSX_USE_COCOA_OR_CARBON wxCFRef m_clipRgn; #endif }; @@ -1444,12 +1480,16 @@ public : void wxMacCoreGraphicsContext::Init() { m_cgContext = NULL; - m_releaseContext = false; + m_contextSynthesized = false; + m_width = 0; + m_height = 0; #if wxOSX_USE_CARBON m_windowRef = NULL; #endif - m_width = 0; - m_height = 0; +#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) @@ -1472,19 +1512,33 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer { Init(); + wxSize sz = window->GetSize(); + m_width = sz.x; + m_height = sz.y; + +#if wxOSX_USE_COCOA_OR_IPHONE + m_view = window->GetHandle(); + + if ( !((wxWidgetCocoaImpl*) window->GetPeer())->IsFlipped() ) + { + m_windowTransform = CGAffineTransformMakeTranslation( 0 , m_height ); + m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); + } + else + { + m_windowTransform = CGAffineTransformIdentity; + } +#else int originX , originY; originX = originY = 0; - Rect bounds = { 0,0,0,0 }; -#if defined(__WXCOCOA__) || !wxOSX_USE_CARBON -#else m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef(); window->MacWindowToRootWindow( &originX , &originY ); GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds ); -#endif m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top ); m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ; +#endif } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer) @@ -1533,112 +1587,238 @@ void wxMacCoreGraphicsContext::Flush() CGContextFlush(m_cgContext); } -void wxMacCoreGraphicsContext::EnsureIsValid() +bool wxMacCoreGraphicsContext::EnsureIsValid() { if ( !m_cgContext ) { -#if defined(__WXCOCOA__) || ! wxOSX_USE_CARBON - wxFAIL_MSG("Cannot create wxDCs lazily"); -#else + if (m_invisible) + return false; + +#if wxOSX_USE_COCOA_OR_IPHONE + 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 ); if ( status != noErr ) { wxFAIL_MSG("Cannot nest wxDCs on the same window"); } - - CGContextConcatCTM( m_cgContext, m_windowTransform ); - CGContextSaveGState( m_cgContext ); - m_releaseContext = true; - if ( m_clipRgn.get() ) +#endif + if ( m_cgContext ) { - // the clip region is in device coordinates, so we convert this again to user coordinates - wxCFRef 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 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 ); #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 wxOSX_USE_CARBON +#if wxOSX_USE_COCOA_OR_CARBON if( m_cgContext ) { wxCFRef shape = wxCFRefFromGet(region.GetWXHRGN()); @@ -1680,7 +1860,7 @@ void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDoubl } else { -#if wxOSX_USE_CARBON +#if wxOSX_USE_COCOA_OR_CARBON // the clipping itself must be stored as device coordinates, otherwise // we cannot apply it back correctly r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform ); @@ -1709,7 +1889,7 @@ void wxMacCoreGraphicsContext::ResetClip() } else { -#if wxOSX_USE_CARBON +#if wxOSX_USE_COCOA_OR_CARBON m_clipRgn.reset(); #else // allow usage as measuring context @@ -1723,7 +1903,11 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) if ( m_pen.IsNull() ) return ; - EnsureIsValid(); + if (EnsureIsValid()==false) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); @@ -1732,8 +1916,14 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) CGContextStrokePath( m_cgContext ); } -void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle ) +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 @@ -1768,8 +1958,6 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillSt } } - EnsureIsValid(); - if ( !m_brush.IsNull() ) ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); if ( !m_pen.IsNull() ) @@ -1781,12 +1969,16 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillSt CGContextDrawPath( m_cgContext , mode ); } -void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle ) +void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle ) { if ( m_brush.IsNull() ) return; - EnsureIsValid(); + if (EnsureIsValid()==false) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { @@ -1814,20 +2006,24 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) if ( m_cgContext ) { - // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext ); CGContextRestoreGState( m_cgContext ); CGContextRestoreGState( m_cgContext ); - if ( m_releaseContext ) + if ( m_contextSynthesized ) { + // TODO: in case of performance problems, try issuing this not too + // frequently (half of refresh rate) + CGContextFlush(m_cgContext); #if wxOSX_USE_CARBON QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); +#endif +#if wxOSX_USE_COCOA_OR_IPHONE + wxOSXUnlockFocus(m_view); #endif } else CGContextRelease(m_cgContext); } - m_cgContext = cg; // FIXME: This check is needed because currently we need to use a DC/GraphicsContext @@ -1843,7 +2039,7 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) CGContextSaveGState( m_cgContext ); CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity ); CGContextSaveGState( m_cgContext ); - m_releaseContext = false; + m_contextSynthesized = false; } } @@ -1879,7 +2075,12 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDo 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(bmp.GetRefData()); CGImageRef image = refdata->GetBitmap(); @@ -1916,30 +2117,36 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble 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 ); } @@ -1947,7 +2154,12 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo { 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 ) { @@ -2005,12 +2217,17 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str, { 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 ) { // default implementation takes care of rotation and calls non rotated DrawText afterwards - wxGraphicsContext::DrawText( str, x, y, angle ); + wxGraphicsContext::DoDrawRotatedText( str, x, y, angle ); return; } #endif @@ -2422,10 +2639,6 @@ wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() return &gs_MacCoreGraphicsRenderer; } -#if defined( __WXCOCOA__ ) || wxOSX_USE_COCOA -extern CGContextRef wxMacGetContextFromCurrentNSContext() ; -#endif - wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc ) { const wxDCImpl* impl = dc.GetImpl(); @@ -2435,12 +2648,13 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& int w, h; win_impl->GetSize( &w, &h ); CGContextRef cgctx = 0; -#ifdef __WXMAC__ - cgctx = (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef()); -#else - cgctx = wxMacGetContextFromCurrentNSContext() ; -#endif - return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h ); + + wxASSERT_MSG(win_impl->GetWindow(), "Invalid wxWindow in wxMacCoreGraphicsRenderer::CreateContext"); + if (win_impl->GetWindow()) + cgctx = (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef()); + + if (cgctx != 0) + return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h ); } return NULL; }