X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/15fc716c570947057fcceaee6c0e0c4c757b0865..8584b0e64b273273bad122d28b10176bd5a3bc84:/src/osx/carbon/graphics.cpp?ds=sidebyside diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp index 416880038a..1a07e2278d 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" @@ -77,11 +72,42 @@ int UMAGetSystemVersion() #endif #if wxOSX_USE_COCOA_OR_IPHONE -extern CGContextRef wxOSXGetContextFromCurrentNSContext() ; -extern void wxOSXLockFocus( WXWidget view) ; +extern CGContextRef wxOSXGetContextFromCurrentContext() ; +#if wxOSX_USE_COCOA +extern bool wxOSXLockFocus( WXWidget view) ; extern void wxOSXUnlockFocus( WXWidget view) ; #endif +#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 @@ -147,7 +173,7 @@ CGColorRef wxMacCreateCGColor( const wxColour& col ) CTFontRef wxMacCreateCTFont( const wxFont& font ) { #ifdef __WXMAC__ - return wxCFRetain((CTFontRef) font.MacGetCTFont()); + return wxCFRetain((CTFontRef) font.OSXGetCTFont()); #else return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL ); #endif @@ -427,32 +453,32 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer switch ( pen.GetStyle() ) { - case wxSOLID : + case wxPENSTYLE_SOLID: break; - case wxDOT : + case wxPENSTYLE_DOT: m_count = WXSIZEOF(dotted); m_userLengths = new CGFloat[ m_count ] ; memcpy( m_userLengths, dotted, sizeof(dotted) ); m_lengths = m_userLengths; break; - case wxLONG_DASH : + case wxPENSTYLE_LONG_DASH: m_count = WXSIZEOF(dashed); m_lengths = dashed; break; - case wxSHORT_DASH : + case wxPENSTYLE_SHORT_DASH: m_count = WXSIZEOF(short_dashed); m_lengths = short_dashed; break; - case wxDOT_DASH : + case wxPENSTYLE_DOT_DASH: m_count = WXSIZEOF(dotted_dashed); m_lengths = dotted_dashed; break; - case wxUSER_DASH : + case wxPENSTYLE_USER_DASH: wxDash *dashes; m_count = pen.GetDashes( &dashes ); if ((dashes != NULL) && (m_count > 0)) @@ -471,7 +497,7 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer m_lengths = m_userLengths; break; - case wxSTIPPLE : + case wxPENSTYLE_STIPPLE: { wxBitmap* bmp = pen.GetStipple(); if ( bmp && bmp->Ok() ) @@ -539,12 +565,7 @@ 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 ); } } @@ -552,20 +573,6 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context ) // Brush // -static const char *gs_stripedback_xpm[] = { -/* columns rows colors chars-per-pixel */ -"4 4 2 1", -". c #F0F0F0", -"X c #ECECEC", -/* pixels */ -"....", -"....", -"XXXX", -"XXXX" -}; - -wxBitmap gs_stripedback_bmp( wxImage( (const char* const* ) gs_stripedback_xpm ), -1 ) ; - // make sure we all use one class for all conversions from wx to native colour class wxMacCoreGraphicsColour @@ -659,15 +666,18 @@ public: ~wxMacCoreGraphicsBrushData (); virtual void Apply( wxGraphicsContext* context ); - void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2 ); - void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor ); + void CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); + void CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, wxDouble radius, + const wxGraphicsGradientStops& stops); virtual bool IsShading() { return m_isShading; } CGShadingRef GetShading() { return m_shading; } protected: - CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 ); + CGFunctionRef CreateGradientFunction(const wxGraphicsGradientStops& stops); + static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out); virtual void Init(); @@ -676,7 +686,42 @@ protected: bool m_isShading; CGFunctionRef m_gradientFunction; CGShadingRef m_shading; - CGFloat *m_gradientComponents; + + // information about a single gradient component + struct GradientComponent + { + CGFloat pos; + CGFloat red; + CGFloat green; + CGFloat blue; + CGFloat alpha; + }; + + // and information about all of them + struct GradientComponents + { + GradientComponents() + { + count = 0; + comps = NULL; + } + + void Init(unsigned count_) + { + count = count_; + comps = new GradientComponent[count]; + } + + ~GradientComponents() + { + delete [] comps; + } + + unsigned count; + GradientComponent *comps; + }; + + GradientComponents m_gradientComponents; }; wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer ) @@ -684,19 +729,24 @@ wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* rend Init(); } -void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2 ) +void +wxMacCoreGraphicsBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { - m_gradientFunction = CreateGradientFunction( c1, c2 ); + m_gradientFunction = CreateGradientFunction(stops); m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake((CGFloat) x1, (CGFloat) y1), CGPointMake((CGFloat) x2,(CGFloat) y2), m_gradientFunction, true, true ) ; m_isShading = true ; } -void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor ) +void +wxMacCoreGraphicsBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { - m_gradientFunction = CreateGradientFunction( oColor, cColor ); + m_gradientFunction = CreateGradientFunction(stops); m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake((CGFloat) xo,(CGFloat) yo), 0, CGPointMake((CGFloat) xc,(CGFloat) yc), (CGFloat) radius, m_gradientFunction, true, true ) ; m_isShading = true ; @@ -716,15 +766,12 @@ wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData() if( m_gradientFunction ) CGFunctionRelease(m_gradientFunction); - - delete[] m_gradientComponents; } void wxMacCoreGraphicsBrushData::Init() { m_gradientFunction = NULL; m_shading = NULL; - m_gradientComponents = NULL; m_isShading = false; } @@ -744,30 +791,70 @@ void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context ) void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out) { - CGFloat* colors = (CGFloat*) info ; + const GradientComponents& stops = *(GradientComponents*) info ; + CGFloat f = *in; - for( int i = 0 ; i < 4 ; ++i ) + if (f <= 0.0) { - out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f; + // Start + out[0] = stops.comps[0].red; + out[1] = stops.comps[0].green; + out[2] = stops.comps[0].blue; + out[3] = stops.comps[0].alpha; + } + else if (f >= 1.0) + { + // end + out[0] = stops.comps[stops.count - 1].red; + out[1] = stops.comps[stops.count - 1].green; + out[2] = stops.comps[stops.count - 1].blue; + out[3] = stops.comps[stops.count - 1].alpha; + } + else + { + // Find first component with position greater than f + unsigned i; + for ( i = 0; i < stops.count; i++ ) + { + if (stops.comps[i].pos > f) + break; + } + + // Interpolated between stops + CGFloat diff = (f - stops.comps[i-1].pos); + CGFloat range = (stops.comps[i].pos - stops.comps[i-1].pos); + CGFloat fact = diff / range; + + out[0] = stops.comps[i - 1].red + (stops.comps[i].red - stops.comps[i - 1].red) * fact; + out[1] = stops.comps[i - 1].green + (stops.comps[i].green - stops.comps[i - 1].green) * fact; + out[2] = stops.comps[i - 1].blue + (stops.comps[i].blue - stops.comps[i - 1].blue) * fact; + out[3] = stops.comps[i - 1].alpha + (stops.comps[i].alpha - stops.comps[i - 1].alpha) * fact; } } -CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 ) +CGFunctionRef +wxMacCoreGraphicsBrushData::CreateGradientFunction(const wxGraphicsGradientStops& stops) { + static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL }; static const CGFloat input_value_range [2] = { 0, 1 }; static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 }; - m_gradientComponents = new CGFloat[8] ; - m_gradientComponents[0] = (CGFloat) (c1.Red() / 255.0); - m_gradientComponents[1] = (CGFloat) (c1.Green() / 255.0); - m_gradientComponents[2] = (CGFloat) (c1.Blue() / 255.0); - m_gradientComponents[3] = (CGFloat) (c1.Alpha() / 255.0); - m_gradientComponents[4] = (CGFloat) (c2.Red() / 255.0); - m_gradientComponents[5] = (CGFloat) (c2.Green() / 255.0); - m_gradientComponents[6] = (CGFloat) (c2.Blue() / 255.0); - m_gradientComponents[7] = (CGFloat) (c2.Alpha() / 255.0); - - return CGFunctionCreate ( m_gradientComponents, 1, + + m_gradientComponents.Init(stops.GetCount()); + for ( unsigned i = 0; i < m_gradientComponents.count; i++ ) + { + const wxGraphicsGradientStop stop = stops.Item(i); + + m_gradientComponents.comps[i].pos = stop.GetPosition(); + + const wxColour col = stop.GetColour(); + m_gradientComponents.comps[i].red = (CGFloat) (col.Red() / 255.0); + m_gradientComponents.comps[i].green = (CGFloat) (col.Green() / 255.0); + m_gradientComponents.comps[i].blue = (CGFloat) (col.Blue() / 255.0); + m_gradientComponents.comps[i].alpha = (CGFloat) (col.Alpha() / 255.0); + } + + return CGFunctionCreate ( &m_gradientComponents, 1, input_value_range, 4, output_value_ranges, @@ -796,7 +883,7 @@ public: virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; } #endif #if wxOSX_USE_CORE_TEXT - CTFontRef GetCTFont() const { return m_ctFont ; } + CTFontRef OSXGetCTFont() const { return m_ctFont ; } #endif wxColour GetColour() const { return m_colour ; } @@ -840,7 +927,7 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere // we need the scale here ... - Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) ); + Fixed atsuSize = IntToFixed( int( 1 * font.GetPointSize()) ); RGBColor atsuColor ; col.GetRGBColor( &atsuColor ); ATSUAttributeTag atsuTags[] = @@ -848,19 +935,19 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere kATSUSizeTag , kATSUColorTag , }; - ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ByteCount atsuSizes[WXSIZEOF(atsuTags)] = { sizeof( Fixed ) , sizeof( RGBColor ) , }; - ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ATSUAttributeValuePtr atsuValues[WXSIZEOF(atsuTags)] = { &atsuSize , &atsuColor , }; status = ::ATSUSetAttributes( - m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , + m_macATSUIStyle, WXSIZEOF(atsuTags), atsuTags, atsuSizes, atsuValues); wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ); @@ -995,7 +1082,7 @@ wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const // concatenates the matrix void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t ) { - m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) ); + m_matrix = CGAffineTransformConcat(*((CGAffineTransform*) t->GetNativeMatrix()), m_matrix ); } // sets the matrix to the respective values @@ -1131,9 +1218,12 @@ public : // appends a rectangle as a new closed subpath virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); - // appends an ellipsis as a new closed subpath fitting the passed rectangle + // appends a circle as a new closed subpath virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r ); + // appends an ellipsis as a new closed subpath fitting the passed rectangle + virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h); + // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1) virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ); @@ -1210,7 +1300,12 @@ void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r ) { - CGPathAddArc( m_path , NULL , (CGFloat) x , (CGFloat) y , (CGFloat) r , (CGFloat) 0.0 , (CGFloat) (2 * M_PI) , true ); + CGPathAddEllipseInRect( m_path, NULL, CGRectMake(x-r,y-r,2*r,2*r)); +} + +void wxMacCoreGraphicsPathData::AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + CGPathAddEllipseInRect( m_path, NULL, CGRectMake(x,y,w,h)); } // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle @@ -1321,7 +1416,14 @@ 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 // @@ -1391,7 +1493,7 @@ 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 ); @@ -1406,6 +1508,7 @@ private: CGAffineTransform m_windowTransform; wxDouble m_width; wxDouble m_height; + bool m_invisible; #if wxOSX_USE_COCOA_OR_CARBON wxCFRef m_clipRgn; @@ -1438,14 +1541,23 @@ public : m_cg = cg; m_offset = offset; if ( m_offset ) - CGContextTranslateCTM( m_cg, (CGFloat) 0.5, (CGFloat) 0.5 ); + { + m_userOffset = CGContextConvertSizeToUserSpace( m_cg, CGSizeMake( 0.5 , 0.5 ) ); + CGContextTranslateCTM( m_cg, m_userOffset.width , m_userOffset.height ); + } + else + { + m_userOffset = CGSizeMake(0.0, 0.0); + } + } ~wxQuartzOffsetHelper( ) { if ( m_offset ) - CGContextTranslateCTM( m_cg, (CGFloat) -0.5, (CGFloat) -0.5 ); + CGContextTranslateCTM( m_cg, -m_userOffset.width , -m_userOffset.height ); } public : + CGSize m_userOffset; CGContextRef m_cg; bool m_offset; } ; @@ -1462,6 +1574,7 @@ void wxMacCoreGraphicsContext::Init() #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) @@ -1491,12 +1604,14 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer #if wxOSX_USE_COCOA_OR_IPHONE m_view = window->GetHandle(); - if ( !((wxWidgetCocoaImpl*) window->GetPeer())->IsFlipped() ) +#if wxOSX_USE_COCOA + if ( ! window->GetPeer()->IsFlipped() ) { m_windowTransform = CGAffineTransformMakeTranslation( 0 , m_height ); m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); } else +#endif { m_windowTransform = CGAffineTransformIdentity; } @@ -1527,12 +1642,6 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL) wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() { SetNativeContext(NULL); -#if wxOSX_USE_COCOA_OR_IPHONE - if ( m_view ) - { - CGContextFlush(m_cgContext); - } -#endif } void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height) @@ -1565,13 +1674,30 @@ void wxMacCoreGraphicsContext::Flush() CGContextFlush(m_cgContext); } -void wxMacCoreGraphicsContext::EnsureIsValid() +bool wxMacCoreGraphicsContext::EnsureIsValid() { if ( !m_cgContext ) { -#if wxOSX_USE_COCOA_OR_IPHONE - wxOSXLockFocus(m_view); - m_cgContext = wxOSXGetContextFromCurrentNSContext(); + if (m_invisible) + return false; + +#if wxOSX_USE_COCOA + if ( wxOSXLockFocus(m_view) ) + { + m_cgContext = wxOSXGetContextFromCurrentContext(); + wxASSERT_MSG( m_cgContext != NULL, wxT("Unable to retrieve drawing context from View")); + } + else + { + m_invisible = true; + } +#endif +#if wxOSX_USE_IPHONE + m_cgContext = wxOSXGetContextFromCurrentContext(); + if ( m_cgContext == NULL ) + { + m_invisible = true; + } #endif #if wxOSX_USE_CARBON OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext ); @@ -1580,110 +1706,211 @@ void wxMacCoreGraphicsContext::EnsureIsValid() 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 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)) + CGContextSaveGState( m_cgContext ); + CGContextConcatCTM( m_cgContext, m_windowTransform ); + CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity ); + m_contextSynthesized = true; +#if wxOSX_USE_COCOA_OR_CARBON + 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 +#endif + 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::SetAntialiasMode(wxAntialiasMode antialias) +{ + if (!EnsureIsValid()) + 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::SetLogicalFunction( wxRasterOperationMode function ) +bool wxMacCoreGraphicsContext::SetCompositionMode(wxCompositionMode op) { - if (m_logicalFunction == function) + if (!EnsureIsValid()) return true; - EnsureIsValid(); + if ( m_composition == op ) + return true; - bool retval = false; - bool shouldAntiAlias = true; - CGBlendMode mode = kCGBlendModeNormal; + m_composition = op; -#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 == 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, (CGFloat) opacity); + CGContextBeginTransparencyLayer(m_cgContext, 0); +} + +void wxMacCoreGraphicsContext::EndLayer() +{ + CGContextEndTransparencyLayer(m_cgContext); + CGContextRestoreGState(m_cgContext); } void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) @@ -1773,7 +2000,11 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) if ( m_pen.IsNull() ) return ; - EnsureIsValid(); + if (!EnsureIsValid()) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); @@ -1784,6 +2015,12 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle ) { + if (!EnsureIsValid()) + 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 @@ -1818,8 +2055,6 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonF } } - EnsureIsValid(); - if ( !m_brush.IsNull() ) ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); if ( !m_pen.IsNull() ) @@ -1836,7 +2071,11 @@ void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , wxPolygonF if ( m_brush.IsNull() ) return; - EnsureIsValid(); + if (!EnsureIsValid()) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { @@ -1868,13 +2107,10 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) CGContextRestoreGState( m_cgContext ); 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 +#if wxOSX_USE_COCOA wxOSXUnlockFocus(m_view); #endif } @@ -1933,7 +2169,12 @@ 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()) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; + #ifdef __WXMAC__ wxMacCoreGraphicsBitmapData* refdata =static_cast(bmp.GetRefData()); CGImageRef image = refdata->GetBitmap(); @@ -1970,29 +2211,35 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { - EnsureIsValid(); + if (!EnsureIsValid()) + 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()) + return; CGContextSaveGState( m_cgContext ); } void wxMacCoreGraphicsContext::PopState() { - EnsureIsValid(); + if (!EnsureIsValid()) + return; CGContextRestoreGState( m_cgContext ); } @@ -2001,13 +2248,18 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo { wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") ); - EnsureIsValid(); + if (!EnsureIsValid()) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; + #if wxOSX_USE_CORE_TEXT if ( UMAGetSystemVersion() >= 0x1050 ) { wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); wxCFStringRef text(str, wxLocale::GetSystemEncoding() ); - CTFontRef font = fref->GetCTFont(); + CTFontRef font = fref->OSXGetCTFont(); CGColorRef col = wxMacCreateCGColor( fref->GetColour() ); CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ; wxCFRef underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) ); @@ -2021,7 +2273,7 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo y += CTFontGetAscent(font); CGContextSaveGState(m_cgContext); - CGContextTranslateCTM(m_cgContext, x, y); + CGContextTranslateCTM(m_cgContext, (CGFloat) x, (CGFloat) y); CGContextScaleCTM(m_cgContext, 1, -1); CGContextSetTextPosition(m_cgContext, 0, 0); CTLineDraw( line, m_cgContext ); @@ -2059,7 +2311,12 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str, { wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") ); - EnsureIsValid(); + if (!EnsureIsValid()) + return; + + if (m_composition == wxCOMPOSITION_DEST) + return; + #if wxOSX_USE_CORE_TEXT if ( UMAGetSystemVersion() >= 0x1050 ) { @@ -2092,15 +2349,15 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str, { kATSULineRotationTag , }; - ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ByteCount atsuSizes[WXSIZEOF(atsuTags)] = { sizeof( Fixed ) , }; - ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ATSUAttributeValuePtr atsuValues[WXSIZEOF(atsuTags)] = { &atsuAngle , }; - status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), + status = ::ATSUSetLayoutControls(atsuLayout , WXSIZEOF(atsuTags), atsuTags, atsuSizes, atsuValues ); } @@ -2109,15 +2366,15 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str, { kATSUCGContextTag , }; - ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ByteCount atsuSizes[WXSIZEOF(atsuTags)] = { sizeof( CGContextRef ) , }; - ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = + ATSUAttributeValuePtr atsuValues[WXSIZEOF(atsuTags)] = { &m_cgContext , }; - status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), + status = ::ATSUSetLayoutControls(atsuLayout , WXSIZEOF(atsuTags), atsuTags, atsuSizes, atsuValues ); } @@ -2179,7 +2436,7 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid if ( UMAGetSystemVersion() >= 0x1050 ) { wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); - CTFontRef font = fref->GetCTFont(); + CTFontRef font = fref->OSXGetCTFont(); wxCFStringRef text(str, wxLocale::GetSystemEncoding() ); CFStringRef keys[] = { kCTFontAttributeName }; @@ -2189,9 +2446,13 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid wxCFRef attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) ); wxCFRef line( CTLineCreateWithAttributedString(attrtext) ); - CGFloat w, a, d, l; - - w = CTLineGetTypographicBounds(line, &a, &d, &l) ; + // round the returned extent: this is probably more correct anyhow but + // we also need to do it to be consistent with GetPartialTextExtents() + // below and avoid strange situation when the last partial extent + // returned by it could have been greater than the full extent returned + // by us + CGFloat a, d, l; + int w = CTLineGetTypographicBounds(line, &a, &d, &l) + 0.5; if ( height ) *height = a+d+l; @@ -2273,7 +2534,7 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr #if wxOSX_USE_CORE_TEXT { wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); - CTFontRef font = fref->GetCTFont(); + CTFontRef font = fref->OSXGetCTFont(); wxCFStringRef t(text, wxLocale::GetSystemEncoding() ); CFStringRef keys[] = { kCTFontAttributeName }; @@ -2286,7 +2547,7 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr int chars = text.length(); for ( int pos = 0; pos < (int)chars; pos ++ ) { - widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL )+0.5; + widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL ); } return; @@ -2369,7 +2630,7 @@ void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix ) if ( m_cgContext ) CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); else - m_windowTransform = CGAffineTransformConcat(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix()); + m_windowTransform = CGAffineTransformConcat(*(CGAffineTransform*) matrix.GetNativeMatrix(), m_windowTransform); } // sets the transform of this context @@ -2442,14 +2703,16 @@ public : virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; - // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 - virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) ; + virtual wxGraphicsBrush + CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) - // with radius r and color cColor - virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) ; + virtual wxGraphicsBrush + CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops); // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; @@ -2457,6 +2720,9 @@ public : // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ; + // create a graphics bitmap from a native bitmap + virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap ); + // create a native bitmap representation virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ; private : @@ -2540,6 +2806,7 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( vo #if wxOSX_USE_CARBON return new wxMacCoreGraphicsContext(this,(WindowRef)window); #else + wxUnusedVar(window); return NULL; #endif } @@ -2605,9 +2872,19 @@ wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp ) if ( bmp.Ok() ) { wxGraphicsBitmap p; -#ifdef __WXMAC__ p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp.CreateCGImage(), bmp.GetDepth() == 1 ) ); -#endif + return p; + } + else + return wxNullGraphicsBitmap; +} + +wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmapFromNativeBitmap( void* bitmap ) +{ + if ( bitmap != NULL ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxMacCoreGraphicsBitmapData( this , (CGImageRef) bitmap, false )); return p; } else @@ -2629,25 +2906,27 @@ wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateSubBitmap( const wxGraphicsBit return wxNullGraphicsBitmap; } -// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 -wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) +wxGraphicsBrush +wxMacCoreGraphicsRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { wxGraphicsBrush p; wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); - d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + d->CreateLinearGradientBrush(x1, y1, x2, y2, stops); p.SetRefData(d); return p; } -// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) -// with radius r and color cColor -wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +wxGraphicsBrush +wxMacCoreGraphicsRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { wxGraphicsBrush p; wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); - d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + d->CreateRadialGradientBrush(xo, yo, xc, yc, radius, stops); p.SetRefData(d); return p; }