///////////////////////////////////////////////////////////////////////////// // Name: src/mac/carbon/dccg.cpp // Purpose: wxDC class // Author: Stefan Csomor // Modified by: // Created: 01/02/97 // RCS-ID: $Id: graphics.cpp 64083 2010-04-20 21:00:02Z SC $ // Copyright: (c) Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #include "wx/wxprec.h" #if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS #include "wx/graphics.h" #ifndef WX_PRECOMP #include "wx/dcclient.h" #include "wx/dcmemory.h" #include "wx/log.h" #include "wx/region.h" #include "wx/image.h" #endif #include "wx/strconv.h" #include "wx/mac/uma.h" #ifdef __MSL__ #if __MSL__ >= 0x6000 #include "math.h" // in case our functions were defined outside std, we make it known all the same namespace std { } using namespace std; #endif #endif #include "wx/mac/private.h" #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 typedef float CGFloat; #endif #ifndef wxMAC_USE_CORE_GRAPHICS_BLEND_MODES #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1 #else #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0 #endif #endif //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- #if !defined( __DARWIN__ ) || defined(__MWERKS__) #ifndef M_PI const double M_PI = 3.14159265358979; #endif #endif static const double RAD2DEG = 180.0 / M_PI; // // Pen, Brushes and Fonts // #pragma mark - #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes // CGPattern wrapper class: always allocate on heap, never call destructor class wxMacCoreGraphicsPattern { public : wxMacCoreGraphicsPattern() {} // is guaranteed to be called only with a non-Null CGContextRef virtual void Render( CGContextRef ctxRef ) = 0; operator CGPatternRef() const { return m_patternRef; } protected : virtual ~wxMacCoreGraphicsPattern() { // as this is called only when the m_patternRef is been released; // don't release it again } static void _Render( void *info, CGContextRef ctxRef ) { wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; if ( self && ctxRef ) self->Render( ctxRef ); } static void _Dispose( void *info ) { wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; delete self; } CGPatternRef m_patternRef; static const CGPatternCallbacks ms_Callbacks; }; const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose }; class ImagePattern : public wxMacCoreGraphicsPattern { public : ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform ) { wxASSERT( bmp && bmp->Ok() ); Init( (CGImageRef) bmp->CGImageCreate() , transform ); } // ImagePattern takes ownership of CGImageRef passed in ImagePattern( CGImageRef image , const CGAffineTransform& transform ) { if ( image ) CFRetain( image ); Init( image , transform ); } virtual void Render( CGContextRef ctxRef ) { if (m_image != NULL) HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image ); } protected : void Init( CGImageRef image, const CGAffineTransform& transform ) { m_image = image; if ( m_image ) { m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ); m_patternRef = CGPatternCreate( this , m_imageBounds, transform , m_imageBounds.size.width, m_imageBounds.size.height, kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks ); } } virtual ~ImagePattern() { if ( m_image ) CGImageRelease( m_image ); } CGImageRef m_image; CGRect m_imageBounds; }; class HatchPattern : public wxMacCoreGraphicsPattern { public : HatchPattern( int hatchstyle, const CGAffineTransform& transform ) { m_hatch = hatchstyle; m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ); m_patternRef = CGPatternCreate( this , m_imageBounds, transform , m_imageBounds.size.width, m_imageBounds.size.height, kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks ); } void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) { #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 if ( &CGContextStrokeLineSegments!=NULL ) { CGContextStrokeLineSegments( ctxRef , pts , count ); } else #endif { CGContextBeginPath( ctxRef ); for (size_t i = 0; i < count; i += 2) { CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y); CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y); } CGContextStrokePath(ctxRef); } } virtual void Render( CGContextRef ctxRef ) { switch ( m_hatch ) { case wxBDIAGONAL_HATCH : { CGPoint pts[] = { { 8.0 , 0.0 } , { 0.0 , 8.0 } }; StrokeLineSegments( ctxRef , pts , 2 ); } break; case wxCROSSDIAG_HATCH : { CGPoint pts[] = { { 0.0 , 0.0 } , { 8.0 , 8.0 } , { 8.0 , 0.0 } , { 0.0 , 8.0 } }; StrokeLineSegments( ctxRef , pts , 4 ); } break; case wxFDIAGONAL_HATCH : { CGPoint pts[] = { { 0.0 , 0.0 } , { 8.0 , 8.0 } }; StrokeLineSegments( ctxRef , pts , 2 ); } break; case wxCROSS_HATCH : { CGPoint pts[] = { { 0.0 , 4.0 } , { 8.0 , 4.0 } , { 4.0 , 0.0 } , { 4.0 , 8.0 } , }; StrokeLineSegments( ctxRef , pts , 4 ); } break; case wxHORIZONTAL_HATCH : { CGPoint pts[] = { { 0.0 , 4.0 } , { 8.0 , 4.0 } , }; StrokeLineSegments( ctxRef , pts , 2 ); } break; case wxVERTICAL_HATCH : { CGPoint pts[] = { { 4.0 , 0.0 } , { 4.0 , 8.0 } , }; StrokeLineSegments( ctxRef , pts , 2 ); } break; default: break; } } protected : virtual ~HatchPattern() {} CGRect m_imageBounds; int m_hatch; }; class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData { public: wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ); ~wxMacCoreGraphicsPenData(); void Init(); virtual void Apply( wxGraphicsContext* context ); virtual wxDouble GetWidth() { return m_width; } protected : CGLineCap m_cap; wxMacCFRefHolder m_color; wxMacCFRefHolder m_colorSpace; CGLineJoin m_join; CGFloat m_width; int m_count; const CGFloat *m_lengths; CGFloat *m_userLengths; bool m_isPattern; wxMacCFRefHolder m_pattern; CGFloat* m_patternColorComponents; }; wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : wxGraphicsObjectRefData( renderer ) { Init(); CGFloat components[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ; m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; // TODO: * m_dc->m_scaleX m_width = pen.GetWidth(); if (m_width <= 0.0) m_width = 0.1; switch ( pen.GetCap() ) { case wxCAP_ROUND : m_cap = kCGLineCapRound; break; case wxCAP_PROJECTING : m_cap = kCGLineCapSquare; break; case wxCAP_BUTT : m_cap = kCGLineCapButt; break; default : m_cap = kCGLineCapButt; break; } switch ( pen.GetJoin() ) { case wxJOIN_BEVEL : m_join = kCGLineJoinBevel; break; case wxJOIN_MITER : m_join = kCGLineJoinMiter; break; case wxJOIN_ROUND : m_join = kCGLineJoinRound; break; default : m_join = kCGLineJoinMiter; break; } const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width; const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; static const CGFloat short_dashed[] = { 9.0 , 6.0 }; static const CGFloat dashed[] = { 19.0 , 9.0 }; static const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; switch ( pen.GetStyle() ) { case wxSOLID : break; case wxDOT : m_count = WXSIZEOF(dotted); m_userLengths = new CGFloat[ m_count ] ; memcpy( m_userLengths, dotted, sizeof(dotted) ); m_lengths = m_userLengths; break; case wxLONG_DASH : m_count = WXSIZEOF(dashed); m_lengths = dashed; break; case wxSHORT_DASH : m_count = WXSIZEOF(short_dashed); m_lengths = short_dashed; break; case wxDOT_DASH : m_count = WXSIZEOF(dotted_dashed); m_lengths = dotted_dashed; break; case wxUSER_DASH : wxDash *dashes; m_count = pen.GetDashes( &dashes ); if ((dashes != NULL) && (m_count > 0)) { m_userLengths = new CGFloat[m_count]; for ( int i = 0; i < m_count; ++i ) { m_userLengths[i] = dashes[i] * dashUnit; if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 ) m_userLengths[i] = dashUnit + 2.0; else if ( i % 2 == 0 && m_userLengths[i] < dashUnit ) m_userLengths[i] = dashUnit; } } m_lengths = m_userLengths; break; case wxSTIPPLE : { wxBitmap* bmp = pen.GetStipple(); if ( bmp && bmp->Ok() ) { m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) ); m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); m_patternColorComponents = new CGFloat[1] ; m_patternColorComponents[0] = 1.0; m_isPattern = true; } } break; default : { m_isPattern = true; m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); m_patternColorComponents = new CGFloat[4] ; m_patternColorComponents[0] = pen.GetColour().Red() / 255.0; m_patternColorComponents[1] = pen.GetColour().Green() / 255.0; m_patternColorComponents[2] = pen.GetColour().Blue() / 255.0; m_patternColorComponents[3] = pen.GetColour().Alpha() / 255.0; } break; } if ((m_lengths != NULL) && (m_count > 0)) { // force the line cap, otherwise we get artifacts (overlaps) and just solid lines m_cap = kCGLineCapButt; } } wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData() { delete[] m_userLengths; delete[] m_patternColorComponents; } void wxMacCoreGraphicsPenData::Init() { m_lengths = NULL; m_userLengths = NULL; m_width = 0; m_count = 0; m_patternColorComponents = NULL; m_isPattern = false; } void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context ) { CGContextRef cg = (CGContextRef) context->GetNativeContext(); CGContextSetLineWidth( cg , m_width ); CGContextSetLineJoin( cg , m_join ); CGContextSetLineDash( cg , 0 , m_lengths , m_count ); CGContextSetLineCap( cg , m_cap ); if ( m_isPattern ) { CGAffineTransform matrix = CGContextGetCTM( cg ); CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) ); CGContextSetStrokeColorSpace( cg , m_colorSpace ); CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents ); } else { if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR ) { CGContextSetRGBStrokeColor( cg , 1.0, 1.0 , 1.0, 1.0 ); } else CGContextSetStrokeColorWithColor( cg , m_color ); } } // // 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 ) ; wxMacCoreGraphicsColour::~wxMacCoreGraphicsColour() { delete[] m_patternColorComponents; } void wxMacCoreGraphicsColour::Init() { m_isPattern = false; m_patternColorComponents = NULL; } void wxMacCoreGraphicsColour::Apply( CGContextRef cgContext ) { if ( m_isPattern ) { CGAffineTransform matrix = CGContextGetCTM( cgContext ); CGContextSetPatternPhase( cgContext, CGSizeMake(matrix.tx, matrix.ty) ); CGContextSetFillColorSpace( cgContext , m_colorSpace ); CGContextSetFillPattern( cgContext, m_pattern , m_patternColorComponents ); } else { CGContextSetFillColorWithColor( cgContext, m_color ); } } wxMacCoreGraphicsColour::wxMacCoreGraphicsColour() { Init(); } wxMacCoreGraphicsColour::wxMacCoreGraphicsColour( const wxBrush &brush ) { Init(); if ( brush.GetStyle() == wxSOLID ) { if ( brush.MacGetBrushKind() == kwxMacBrushTheme ) { #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 if ( UMAGetSystemVersion() >= 0x1040 ) { CGColorRef color ; HIThemeBrushCreateCGColor( brush.MacGetTheme(), &color ); m_color.Set( color ) ; } else #endif { if( brush.MacGetTheme() == kThemeBrushDialogBackgroundActive ) { // striped background is a pattern, we have to emulate it m_isPattern = true; m_patternColorComponents = new CGFloat[1] ; m_patternColorComponents[0] = 1.0; m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) ); m_pattern.Set( *( new ImagePattern( &gs_stripedback_bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); } else { // as close as we can get, unfortunately < 10.4 things get difficult RGBColor color; GetThemeBrushAsColor( brush.MacGetTheme(), 32, true, &color ); CGFloat components[4] = { (CGFloat) color.red / 65536, (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 } ; m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; } } } else { CGFloat components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ; m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; } } else if ( brush.IsHatch() ) { m_isPattern = true; m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); m_patternColorComponents = new CGFloat[4] ; m_patternColorComponents[0] = brush.GetColour().Red() / 255.0; m_patternColorComponents[1] = brush.GetColour().Green() / 255.0; m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0; m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0; } else { // now brush is a bitmap wxBitmap* bmp = brush.GetStipple(); if ( bmp && bmp->Ok() ) { m_isPattern = true; m_patternColorComponents = new CGFloat[1] ; m_patternColorComponents[0] = 1.0; m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) ); m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); } } } class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData { public: wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer ); wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush ); ~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 ); virtual bool IsShading() { return m_isShading; } CGShadingRef GetShading() { return m_shading; } protected: CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 ); static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out); virtual void Init(); wxMacCoreGraphicsColour m_cgColor; bool m_isShading; CGFunctionRef m_gradientFunction; CGShadingRef m_shading; CGFloat *m_gradientComponents; }; wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer ) { Init(); } void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2 ) { m_gradientFunction = CreateGradientFunction( c1, c2 ); m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake(x1,y1), CGPointMake(x2,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 ) { m_gradientFunction = CreateGradientFunction( oColor, cColor ); m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake(xo,yo), 0, CGPointMake(xc,yc), radius, m_gradientFunction, true, true ) ; m_isShading = true ; } wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ), m_cgColor( brush ) { Init(); } wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData() { if ( m_shading ) CGShadingRelease(m_shading); if( m_gradientFunction ) CGFunctionRelease(m_gradientFunction); delete[] m_gradientComponents; } void wxMacCoreGraphicsBrushData::Init() { m_gradientFunction = NULL; m_shading = NULL; m_gradientComponents = NULL; m_isShading = false; } void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context ) { CGContextRef cg = (CGContextRef) context->GetNativeContext(); if ( m_isShading ) { // nothing to set as shades are processed by clipping using the path and filling } else { m_cgColor.Apply( cg ); } } void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out) { CGFloat* colors = (CGFloat*) info ; CGFloat f = *in; for( int i = 0 ; i < 4 ; ++i ) { out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f; } } CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 ) { 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] = c1.Red() / 255.0; m_gradientComponents[1] = c1.Green() / 255.0; m_gradientComponents[2] = c1.Blue() / 255.0; m_gradientComponents[3] = c1.Alpha() / 255.0; m_gradientComponents[4] = c2.Red() / 255.0; m_gradientComponents[5] = c2.Green() / 255.0; m_gradientComponents[6] = c2.Blue() / 255.0; m_gradientComponents[7] = c2.Alpha() / 255.0; return CGFunctionCreate ( m_gradientComponents, 1, input_value_range, 4, output_value_ranges, &callbacks); } // // Font // class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData { public: wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ); ~wxMacCoreGraphicsFontData(); virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; } #if !wxUSE_UNICODE const wxMBConv& GetConverter() const { return m_conv; } #endif private : ATSUStyle m_macATSUIStyle; #if !wxUSE_UNICODE wxCSConv m_conv; #endif }; wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer ) #if !wxUSE_UNICODE , m_conv( font.GetEncoding() == wxFONTENCODING_DEFAULT ? wxFONTENCODING_SYSTEM : font.GetEncoding() ) #endif { m_macATSUIStyle = NULL; OSStatus status; status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle ); wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ); // we need the scale here ... Fixed atsuSize = IntToFixed( int( 1 * font.GetPointSize()) ); RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() ); ATSUAttributeTag atsuTags[] = { kATSUSizeTag , kATSUColorTag , }; ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { sizeof( Fixed ) , sizeof( RGBColor ) , }; ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { &atsuSize , &atsuColor , }; status = ::ATSUSetAttributes( m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , atsuTags, atsuSizes, atsuValues); wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ); } wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData() { if ( m_macATSUIStyle ) { ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); m_macATSUIStyle = NULL; } } class wxMacCoreGraphicsBitmapData : public wxGraphicsObjectRefData { public: wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ); ~wxMacCoreGraphicsBitmapData(); virtual CGImageRef GetBitmap() { return m_bitmap; } private : CGImageRef m_bitmap; }; wxMacCoreGraphicsBitmapData::wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer ) { m_bitmap = (CGImageRef)( bmp.CGImageCreate() ); } wxMacCoreGraphicsBitmapData::~wxMacCoreGraphicsBitmapData() { CGImageRelease( m_bitmap ); } // // Graphics Matrix // //----------------------------------------------------------------------------- // wxMacCoreGraphicsMatrix declaration //----------------------------------------------------------------------------- class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData { public : wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ; virtual ~wxMacCoreGraphicsMatrixData() ; virtual wxGraphicsObjectRefData *Clone() const ; // concatenates the matrix virtual void Concat( const wxGraphicsMatrixData *t ); // sets the matrix to the respective values virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, wxDouble tx=0.0, wxDouble ty=0.0); // gets the component valuess of the matrix virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL, wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const; // makes this the inverse matrix virtual void Invert(); // returns true if the elements of the transformation matrix are equal ? virtual bool IsEqual( const wxGraphicsMatrixData* t) const ; // return true if this is the identity matrix virtual bool IsIdentity() const; // // transformation // // add the translation to this matrix virtual void Translate( wxDouble dx , wxDouble dy ); // add the scale to this matrix virtual void Scale( wxDouble xScale , wxDouble yScale ); // add the rotation to this matrix (radians) virtual void Rotate( wxDouble angle ); // // apply the transforms // // applies that matrix to the point virtual void TransformPoint( wxDouble *x, wxDouble *y ) const; // applies the matrix except for translations virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const; // returns the native representation virtual void * GetNativeMatrix() const; private : CGAffineTransform m_matrix; } ; //----------------------------------------------------------------------------- // wxMacCoreGraphicsMatrix implementation //----------------------------------------------------------------------------- wxMacCoreGraphicsMatrixData::wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) : wxGraphicsMatrixData(renderer) { } wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData() { } wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const { wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ; m->m_matrix = m_matrix ; return m; } // concatenates the matrix void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t ) { m_matrix = CGAffineTransformConcat(*((CGAffineTransform*) t->GetNativeMatrix()), m_matrix); } // sets the matrix to the respective values void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) { m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty); } // gets the component valuess of the matrix void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, wxDouble* d, wxDouble* tx, wxDouble* ty) const { if (a) *a = m_matrix.a; if (b) *b = m_matrix.b; if (c) *c = m_matrix.c; if (d) *d = m_matrix.d; if (tx) *tx= m_matrix.tx; if (ty) *ty= m_matrix.ty; } // makes this the inverse matrix void wxMacCoreGraphicsMatrixData::Invert() { m_matrix = CGAffineTransformInvert( m_matrix ); } // returns true if the elements of the transformation matrix are equal ? bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const { const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix(); #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 if ( &CGAffineTransformEqualToTransform!=NULL ) { return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix())); } else #endif { return ( m_matrix.a == tm->a && m_matrix.b == tm->b && m_matrix.c == tm->c && m_matrix.d == tm->d && m_matrix.tx == tm->tx && m_matrix.ty == tm->ty ) ; } } // return true if this is the identity matrix bool wxMacCoreGraphicsMatrixData::IsIdentity() const { return ( m_matrix.a == 1 && m_matrix.d == 1 && m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0); } // // transformation // // add the translation to this matrix void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy ) { m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy); } // add the scale to this matrix void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale ) { m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale); } // add the rotation to this matrix (radians) void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle ) { m_matrix = CGAffineTransformRotate( m_matrix, angle); } // // apply the transforms // // applies that matrix to the point void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const { CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix); *x = pt.x; *y = pt.y; } // applies the matrix except for translations void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const { CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix ); *dx = sz.width; *dy = sz.height; } // returns the native representation void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const { return (void*) &m_matrix; } // // Graphics Path // //----------------------------------------------------------------------------- // wxMacCoreGraphicsPath declaration //----------------------------------------------------------------------------- class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData { public : wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL); ~wxMacCoreGraphicsPathData(); virtual wxGraphicsObjectRefData *Clone() const; // begins a new subpath at (x,y) virtual void MoveToPoint( wxDouble x, wxDouble y ); // adds a straight line from the current point to (x,y) virtual void AddLineToPoint( wxDouble x, wxDouble y ); // adds a cubic Bezier curve from the current point, using two control points and an end point virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ); // closes the current sub-path virtual void CloseSubpath(); // gets the last point of the current path, (0,0) if not yet set virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const; // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ); // // These are convenience functions which - if not available natively will be assembled // using the primitives from above // // adds a quadratic Bezier curve from the current point, using a control point and an end point virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ); // 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 virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r ); // 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 ); // adds another path virtual void AddPath( const wxGraphicsPathData* path ); // returns the native path virtual void * GetNativePath() const { return m_path; } // give the native path returned by GetNativePath() back (there might be some deallocations necessary) virtual void UnGetNativePath(void *p) const {} // transforms each point of this path by the matrix virtual void Transform( const wxGraphicsMatrixData* matrix ); // gets the bounding box enclosing all points (possibly including control points) virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const; virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const; private : CGMutablePathRef m_path; }; //----------------------------------------------------------------------------- // wxMacCoreGraphicsPath implementation //----------------------------------------------------------------------------- wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer) { if ( path ) m_path = path; else m_path = CGPathCreateMutable(); } wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData() { CGPathRelease( m_path ); } wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const { wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path)); return clone ; } // opens (starts) a new subpath void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 ) { CGPathMoveToPoint( m_path , NULL , x1 , y1 ); } void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 ) { CGPathAddLineToPoint( m_path , NULL , x1 , y1 ); } void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) { CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y ); } void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y ) { CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y ); } void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { CGRect cgRect = { { x , y } , { w , h } }; CGPathAddRect( m_path , NULL , cgRect ); } void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r ) { CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ); } // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) { // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); } void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) { CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); } void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path ) { CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() ); } // closes the current subpath void wxMacCoreGraphicsPathData::CloseSubpath() { CGPathCloseSubpath( m_path ); } // gets the last point of the current path, (0,0) if not yet set void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const { CGPoint p = CGPathGetCurrentPoint( m_path ); *x = p.x; *y = p.y; } // transforms each point of this path by the matrix void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix ) { CGMutablePathRef p = CGPathCreateMutable() ; CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path ); CGPathRelease( m_path ); m_path = p; } // gets the bounding box enclosing all points (possibly including control points) void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const { CGRect bounds = CGPathGetBoundingBox( m_path ) ; *x = bounds.origin.x; *y = bounds.origin.y; *w = bounds.size.width; *h = bounds.size.height; } bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const { #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 if ( &CGPathContainsPoint!=NULL ) { return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE ); } else #endif { // TODO : implementation for 10.3 CGRect bounds = CGPathGetBoundingBox( m_path ) ; return CGRectContainsPoint( bounds, CGPointMake(x,y) ) == 1; } } // // Graphics Context // //----------------------------------------------------------------------------- // wxMacCoreGraphicsContext declaration //----------------------------------------------------------------------------- class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext { public: wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ); wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ); wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ); wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer); wxMacCoreGraphicsContext(); ~wxMacCoreGraphicsContext(); void Init(); // push the current state of the context, ie the transformation matrix on a stack virtual void PushState(); // pops a stored state from the stack virtual void PopState(); // clips drawings to the region virtual void Clip( const wxRegion ®ion ); // clips drawings to the rect virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); // resets the clipping to original extent virtual void ResetClip(); virtual void * GetNativeContext(); bool SetLogicalFunction( int function ); // // transformation // // translate virtual void Translate( wxDouble dx , wxDouble dy ); // scale virtual void Scale( wxDouble xScale , wxDouble yScale ); // rotate (radians) virtual void Rotate( wxDouble angle ); // concatenates this transform with the current transform of this context virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); // sets the transform of this context virtual void SetTransform( const wxGraphicsMatrix& matrix ); // gets the matrix of this context virtual wxGraphicsMatrix GetTransform() const; // // setting the paint // // strokes along a path with the current pen virtual void StrokePath( const wxGraphicsPath &path ); // fills a path with the current brush virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); // draws a path by first filling and then stroking virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); virtual bool ShouldOffset() const { int penwidth = 0 ; if ( !m_pen.IsNull() ) { penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth(); if ( penwidth == 0 ) penwidth = 1; } return ( penwidth % 2 ) == 1; } // // text // virtual void DrawText( const wxString &str, wxDouble x, wxDouble y ); virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ); virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height, wxDouble *descent, wxDouble *externalLeading ) const; virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const; // // image support // void DrawGraphicsBitmapInternal( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); void SetNativeContext( CGContextRef cg ); DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext) DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext) private: void EnsureIsValid(); CGContextRef m_cgContext; WindowRef m_windowRef; bool m_releaseContext; CGAffineTransform m_windowTransform; wxMacCFRefHolder m_clipRgn; }; //----------------------------------------------------------------------------- // device context implementation // // more and more of the dc functionality should be implemented by calling // the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step // also coordinate conversions should be moved to native matrix ops //----------------------------------------------------------------------------- // we always stock two context states, one at entry, to be able to preserve the // state we were called with, the other one after changing to HI Graphics orientation // (this one is used for getting back clippings etc) //----------------------------------------------------------------------------- // wxMacCoreGraphicsContext implementation //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext) class wxQuartzOffsetHelper { public : wxQuartzOffsetHelper( CGContextRef cg , bool offset ) { m_cg = cg; m_offset = offset; if ( m_offset ) CGContextTranslateCTM( m_cg, 0.5, 0.5 ); } ~wxQuartzOffsetHelper( ) { if ( m_offset ) CGContextTranslateCTM( m_cg, -0.5, -0.5 ); } public : CGContextRef m_cg; bool m_offset; } ; void wxMacCoreGraphicsContext::Init() { m_cgContext = NULL; m_releaseContext = false; m_windowRef = NULL; } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer) { Init(); SetNativeContext(cgcontext); } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer) { Init(); m_windowRef = window; } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer) { Init(); m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef(); int originX , originY; originX = originY = 0; window->MacWindowToRootWindow( &originX , &originY ); Rect bounds; GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds ); m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top ); m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ; } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer) { Init(); } wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL) { Init(); wxLogDebug(wxT("Illegal Constructor called")); } wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() { SetNativeContext(NULL); } void wxMacCoreGraphicsContext::EnsureIsValid() { if ( !m_cgContext ) { OSStatus status = #ifndef __LP64__ QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext ); #else paramErr; #endif wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ); CGContextConcatCTM( m_cgContext, m_windowTransform ); CGContextSaveGState( m_cgContext ); m_releaseContext = true; if ( (HIShapeRef) m_clipRgn != NULL ) { // the clip region is in device coordinates, so we convert this again to user coordinates wxMacCFRefHolder hishape ; hishape.Set( 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 ); } } CGContextSaveGState( m_cgContext ); } } bool wxMacCoreGraphicsContext::SetLogicalFunction( int function ) { if (m_logicalFunction == function) return true; EnsureIsValid(); bool retval = false; if ( function == wxCOPY ) { retval = true; #if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES if ( CGContextSetBlendMode != NULL ) { CGContextSetBlendMode( m_cgContext, kCGBlendModeNormal ); CGContextSetShouldAntialias( m_cgContext, true ); } #endif } else if ( function == wxINVERT || function == wxXOR ) { #if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES if ( CGContextSetBlendMode != NULL ) { // change color to white CGContextSetBlendMode( m_cgContext, kCGBlendModeExclusion ); CGContextSetShouldAntialias( m_cgContext, false ); retval = true; } #endif } if (retval) m_logicalFunction = function; return retval ; } void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) { if( m_cgContext ) { wxMacCFRefHolder shape; shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ); // if the shape is empty, HIShapeReplacePathInCGContext doesn't work if ( HIShapeIsEmpty(shape)) { CGRect empty = CGRectMake( 0,0,0,0 ); CGContextClipToRect( m_cgContext, empty ); } else { HIShapeReplacePathInCGContext( shape, m_cgContext ); CGContextClip( m_cgContext ); } } else { // this offsetting to device coords is not really correct, but since we cannot apply affine transforms // to regions we try at least to have correct translations wxMacCFRefHolder hishape ; hishape.Set( HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() )); HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( hishape ); CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform ); HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y ); m_clipRgn.Set(mutableShape); } } // clips drawings to the rect void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { HIRect r = CGRectMake( x , y , w , h ); if ( m_cgContext ) { CGContextClipToRect( m_cgContext, r ); } else { // the clipping itself must be stored as device coordinates, otherwise // we cannot apply it back correctly r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform ); m_clipRgn.Set(HIShapeCreateWithRect(&r)); } } // resets the clipping to original extent void wxMacCoreGraphicsContext::ResetClip() { if ( m_cgContext ) { // there is no way for clearing the clip, we can only revert to the stored // state, but then we have to make sure everything else is NOT restored CGAffineTransform transform = CGContextGetCTM( m_cgContext ); CGContextRestoreGState( m_cgContext ); CGContextSaveGState( m_cgContext ); CGAffineTransform transformNew = CGContextGetCTM( m_cgContext ); transformNew = CGAffineTransformInvert( transformNew ) ; CGContextConcatCTM( m_cgContext, transformNew); CGContextConcatCTM( m_cgContext, transform); } else { m_clipRgn.Release(); } } void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) { if ( m_pen.IsNull() ) return ; EnsureIsValid(); wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); CGContextStrokePath( m_cgContext ); } void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle ) { if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { // when using shading, we cannot draw pen and brush at the same time // revert to the base implementation of first filling and then stroking wxGraphicsContext::DrawPath( path, fillStyle ); return; } CGPathDrawingMode mode = kCGPathFill ; if ( m_brush.IsNull() ) { if ( m_pen.IsNull() ) return; else mode = kCGPathStroke; } else { if ( m_pen.IsNull() ) { if ( fillStyle == wxODDEVEN_RULE ) mode = kCGPathEOFill; else mode = kCGPathFill; } else { if ( fillStyle == wxODDEVEN_RULE ) mode = kCGPathEOFillStroke; else mode = kCGPathFillStroke; } } EnsureIsValid(); if ( !m_brush.IsNull() ) ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); if ( !m_pen.IsNull() ) ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); CGContextDrawPath( m_cgContext , mode ); } void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle ) { if ( m_brush.IsNull() ) return; EnsureIsValid(); if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { CGContextSaveGState( m_cgContext ); CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); CGContextClip( m_cgContext ); CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); CGContextRestoreGState( m_cgContext); } else { ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); if ( fillStyle == wxODDEVEN_RULE ) CGContextEOFillPath( m_cgContext ); else CGContextFillPath( m_cgContext ); } } void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) { // we allow either setting or clearing but not replacing wxASSERT( m_cgContext == NULL || cg == NULL ); 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 ) { #ifndef __LP64__ QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); #endif } else CGContextRelease(m_cgContext); } m_cgContext = cg; // FIXME: This check is needed because currently we need to use a DC/GraphicsContext // in order to get font properties, like wxFont::GetPixelSize, but since we don't have // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef // for this one operation. // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check // can be removed. if (m_cgContext) { CGContextRetain(m_cgContext); CGContextSaveGState( m_cgContext ); CGContextSaveGState( m_cgContext ); m_releaseContext = false; } } void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) { if ( m_cgContext ) CGContextTranslateCTM( m_cgContext, dx, dy ); else m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy); } void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale ) { if ( m_cgContext ) CGContextScaleCTM( m_cgContext , xScale , yScale ); else m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale); } void wxMacCoreGraphicsContext::Rotate( wxDouble angle ) { if ( m_cgContext ) CGContextRotateCTM( m_cgContext , angle ); else m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle); } void wxGraphicsContext::DrawGraphicsBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { static_cast(this)->DrawGraphicsBitmapInternal(bmp, x, y, w, h); } void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp); DrawGraphicsBitmapInternal(bitmap, x, y, w, h); } void wxMacCoreGraphicsContext::DrawGraphicsBitmapInternal( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { EnsureIsValid(); CGImageRef image = static_cast(bmp.GetRefData())->GetBitmap(); HIRect r = CGRectMake( x , y , w , h ); // set the brush, which is used when the bitmap's depth == 1 if ( !m_brush.IsNull() ) { if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { // TODO clip to mask /* CGContextSaveGState( m_cgContext ); CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); CGContextClip( m_cgContext ); CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); CGContextRestoreGState( m_cgContext); */ } else { ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); } } HIViewDrawCGImage( m_cgContext , &r , image ); } void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { EnsureIsValid(); CGRect r = CGRectMake( 00 , 00 , w , h ); CGContextSaveGState( m_cgContext ); CGContextTranslateCTM( m_cgContext, x , y + h ); CGContextScaleCTM( m_cgContext, 1, -1 ); PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone , NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ); CGContextRestoreGState( m_cgContext ); } void wxMacCoreGraphicsContext::PushState() { EnsureIsValid(); CGContextSaveGState( m_cgContext ); } void wxMacCoreGraphicsContext::PopState() { EnsureIsValid(); CGContextRestoreGState( m_cgContext ); } void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) { DrawText(str, x, y, 0.0); } void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) { wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") ); EnsureIsValid(); OSStatus status = noErr; ATSUTextLayout atsuLayout; UniCharCount chars = str.length(); UniChar* ubuf = NULL; #if SIZEOF_WCHAR_T == 4 wxMBConvUTF16 converter; #if wxUSE_UNICODE size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ); #else const wxWCharBuffer wchar = str.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); #endif chars = unicharlen / 2; #else #if wxUSE_UNICODE ubuf = (UniChar*) str.wc_str(); #else wxWCharBuffer wchar = str.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); chars = wxWcslen( wchar.data() ); ubuf = (UniChar*) wchar.data(); #endif #endif ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , &chars , &style , &atsuLayout ); wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); status = ::ATSUSetTransientFontMatching( atsuLayout , true ); wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); int iAngle = int( angle * RAD2DEG ); if ( abs(iAngle) > 0 ) { Fixed atsuAngle = IntToFixed( iAngle ); ATSUAttributeTag atsuTags[] = { kATSULineRotationTag , }; ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { sizeof( Fixed ) , }; ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { &atsuAngle , }; status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), atsuTags, atsuSizes, atsuValues ); } { ATSUAttributeTag atsuTags[] = { kATSUCGContextTag , }; ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { sizeof( CGContextRef ) , }; ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = { &m_cgContext , }; status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), atsuTags, atsuSizes, atsuValues ); } ATSUTextMeasurement textBefore, textAfter; ATSUTextMeasurement ascent, descent; status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, &textBefore , &textAfter, &ascent , &descent ); wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); Rect rect; x += (int)(sin(angle) * FixedToInt(ascent)); y += (int)(cos(angle) * FixedToInt(ascent)); status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, IntToFixed(x) , IntToFixed(y) , &rect ); wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); CGContextSaveGState(m_cgContext); CGContextTranslateCTM(m_cgContext, x, y); CGContextScaleCTM(m_cgContext, 1, -1); status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, IntToFixed(0) , IntToFixed(0) ); wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") ); CGContextRestoreGState(m_cgContext); ::ATSUDisposeTextLayout(atsuLayout); #if SIZEOF_WCHAR_T == 4 free( ubuf ); #endif } void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, wxDouble *descent, wxDouble *externalLeading ) const { wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::GetTextExtent - no valid font set") ); if ( width ) *width = 0; if ( height ) *height = 0; if ( descent ) *descent = 0; if ( externalLeading ) *externalLeading = 0; if (str.empty()) return; OSStatus status = noErr; ATSUTextLayout atsuLayout; UniCharCount chars = str.length(); UniChar* ubuf = NULL; #if SIZEOF_WCHAR_T == 4 wxMBConvUTF16 converter; #if wxUSE_UNICODE size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ); #else const wxWCharBuffer wchar = str.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); #endif chars = unicharlen / 2; #else #if wxUSE_UNICODE ubuf = (UniChar*) str.wc_str(); #else wxWCharBuffer wchar = str.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); chars = wxWcslen( wchar.data() ); ubuf = (UniChar*) wchar.data(); #endif #endif ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , &chars , &style , &atsuLayout ); wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); status = ::ATSUSetTransientFontMatching( atsuLayout , true ); wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); ATSUTextMeasurement textBefore, textAfter; ATSUTextMeasurement textAscent, textDescent; status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, &textBefore , &textAfter, &textAscent , &textDescent ); if ( height ) *height = FixedToInt(textAscent + textDescent); if ( descent ) *descent = FixedToInt(textDescent); if ( externalLeading ) *externalLeading = 0; if ( width ) *width = FixedToInt(textAfter - textBefore); ::ATSUDisposeTextLayout(atsuLayout); #if SIZEOF_WCHAR_T == 4 free( ubuf ) ; #endif } void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const { widths.Empty(); widths.Add(0, text.length()); wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::GetPartialTextExtents - no valid font set") ); if (text.empty()) return; ATSUTextLayout atsuLayout; UniCharCount chars = text.length(); UniChar* ubuf = NULL; OSStatus status = noErr; #if SIZEOF_WCHAR_T == 4 wxMBConvUTF16 converter; #if wxUSE_UNICODE size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ); #else const wxWCharBuffer wchar = text.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); ubuf = (UniChar*) malloc( unicharlen + 2 ); converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); #endif chars = unicharlen / 2; #else #if wxUSE_UNICODE ubuf = (UniChar*) text.wc_str(); #else wxWCharBuffer wchar = text.wc_str( ((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetConverter() ); chars = wxWcslen( wchar.data() ); ubuf = (UniChar*) wchar.data(); #endif #endif ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , &chars , &style , &atsuLayout ); wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); status = ::ATSUSetTransientFontMatching( atsuLayout , true ); wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); // new implementation from JS, keep old one just in case #if 0 for ( int pos = 0; pos < (int)chars; pos ++ ) { unsigned long actualNumberOfBounds = 0; ATSTrapezoid glyphBounds; // We get a single bound, since the text should only require one. If it requires more, there is an issue OSStatus result; result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ); if (result != noErr || actualNumberOfBounds != 1 ) return; widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ); //unsigned char uch = s[i]; } #else ATSLayoutRecord *layoutRecords = NULL; ItemCount glyphCount = 0; // Get the glyph extents OSStatus err = ::ATSUDirectGetLayoutDataArrayPtrFromTextLayout(atsuLayout, 0, kATSUDirectDataLayoutRecordATSLayoutRecordCurrent, (void **) &layoutRecords, &glyphCount); wxASSERT(glyphCount == (text.length()+1)); if ( err == noErr && glyphCount == (text.length()+1)) { for ( int pos = 1; pos < (int)glyphCount ; pos ++ ) { widths[pos-1] = FixedToInt( layoutRecords[pos].realPos ); } } ::ATSUDirectReleaseLayoutDataArrayPtr(NULL, kATSUDirectDataLayoutRecordATSLayoutRecordCurrent, (void **) &layoutRecords); #endif ::ATSUDisposeTextLayout(atsuLayout); #if SIZEOF_WCHAR_T == 4 free( ubuf ) ; #endif } void * wxMacCoreGraphicsContext::GetNativeContext() { return m_cgContext; } // concatenates this transform with the current transform of this context void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix ) { if ( m_cgContext ) CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); else m_windowTransform = CGAffineTransformConcat( *(CGAffineTransform*) matrix.GetNativeMatrix(),m_windowTransform); } // sets the transform of this context void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix ) { if ( m_cgContext ) { CGAffineTransform transform = CGContextGetCTM( m_cgContext ); transform = CGAffineTransformInvert( transform ) ; CGContextConcatCTM( m_cgContext, transform); CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); } else { m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix(); } } // gets the matrix of this context wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const { wxGraphicsMatrix m = CreateMatrix(); *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform : CGContextGetCTM( m_cgContext )); return m; } // // Renderer // //----------------------------------------------------------------------------- // wxMacCoreGraphicsRenderer declaration //----------------------------------------------------------------------------- class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer { public : wxMacCoreGraphicsRenderer() {} virtual ~wxMacCoreGraphicsRenderer() {} // Context virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc); virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ); virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ); virtual wxGraphicsContext * CreateContext( wxWindow* window ); virtual wxGraphicsContext * CreateMeasuringContext(); // Path virtual wxGraphicsPath CreatePath(); // Matrix virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, wxDouble tx=0.0, wxDouble ty=0.0); virtual wxGraphicsPen CreatePen(const wxPen& pen) ; 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) ; // 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) ; // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ; private : DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer) } ; //----------------------------------------------------------------------------- // wxMacCoreGraphicsRenderer implementation //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer) static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer; wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() { return &gs_MacCoreGraphicsRenderer; } wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc) { wxMemoryDC* mdc = wxDynamicCast(&dc, wxMemoryDC); if ( mdc ) { return new wxMacCoreGraphicsContext(this, (CGContextRef)mdc->GetGraphicsContext()->GetNativeContext()); } else { return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() ); } } wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context ) { return new wxMacCoreGraphicsContext(this,(CGContextRef)context); } wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window ) { return new wxMacCoreGraphicsContext(this,(WindowRef)window); } wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window ) { return new wxMacCoreGraphicsContext(this, window ); } wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext() { return new wxMacCoreGraphicsContext(this); } // Path wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath() { wxGraphicsPath m; m.SetRefData( new wxMacCoreGraphicsPathData(this)); return m; } // Matrix wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) { wxGraphicsMatrix m; wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this ); data->Set( a,b,c,d,tx,ty ) ; m.SetRefData(data); return m; } wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen) { if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) return wxNullGraphicsPen; else { wxGraphicsPen p; p.SetRefData(new wxMacCoreGraphicsPenData( this, pen )); return p; } } wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush ) { if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) return wxNullGraphicsBrush; else { wxGraphicsBrush p; p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush )); return p; } } // 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 p; wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); 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 p; wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); p.SetRefData(d); return p; } // sets the font wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col ) { if ( font.Ok() ) { wxGraphicsFont p; p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col )); return p; } else return wxNullGraphicsFont; } wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp ) { if ( bmp.Ok() ) { wxGraphicsBitmap p; p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp )); return p; } else return wxNullGraphicsBitmap; } #endif // wxMAC_USE_CORE_GRAPHICS