#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"
#endif
+#if wxOSX_USE_COCOA_OR_IPHONE
+extern CGContextRef wxOSXGetContextFromCurrentNSContext() ;
+extern bool wxOSXLockFocus( WXWidget view) ;
+extern void wxOSXUnlockFocus( WXWidget view) ;
+#endif
+
+
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
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 );
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<HIShapeRef> m_clipRgn;
#endif
};
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)
{
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)
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 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<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 );
#endif
+ }
}
+ return m_cgContext != NULL;
}
// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
if (m_logicalFunction == function)
return true;
- EnsureIsValid();
-
+ if (EnsureIsValid()==false)
+ return true;
+
bool retval = false;
bool shouldAntiAlias = true;
CGBlendMode mode = kCGBlendModeNormal;
void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
{
-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON
if( m_cgContext )
{
wxCFRef<HIShapeRef> shape = wxCFRefFromGet(region.GetWXHRGN());
}
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 );
}
else
{
-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON
m_clipRgn.reset();
#else
// allow usage as measuring context
if ( m_pen.IsNull() )
return ;
- EnsureIsValid();
-
+ if (EnsureIsValid()==false)
+ return;
+
wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )
{
+ if (EnsureIsValid()==false)
+ 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 ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
CGContextSaveGState( m_cgContext );
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
CGContextSaveGState( m_cgContext );
CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
CGContextSaveGState( m_cgContext );
- m_releaseContext = false;
+ m_contextSynthesized = false;
}
}
void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- EnsureIsValid();
+ if (EnsureIsValid()==false)
+ 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;
+
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 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 wxOSX_USE_CORE_TEXT
if ( UMAGetSystemVersion() >= 0x1050 )
{
return &gs_MacCoreGraphicsRenderer;
}
-#if defined( __WXCOCOA__ ) || wxOSX_USE_COCOA
-extern CGContextRef wxMacGetContextFromCurrentNSContext() ;
-#endif
-
wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
{
const wxDCImpl* impl = dc.GetImpl();
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;
}
projects / wxWidgets.git / blobdiff