X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1056ddcf2419255e7d50a08f87f74ece26a5e906..797e38dde12c5dc2d99070eef25d9b8c2549d621:/src/mac/carbon/graphics.cpp diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp old mode 100755 new mode 100644 index 5b3d1105cd..b2bcb0788a --- a/src/mac/carbon/graphics.cpp +++ b/src/mac/carbon/graphics.cpp @@ -16,6 +16,8 @@ #include "wx/graphics.h" #ifndef WX_PRECOMP + #include "wx/dcclient.h" + #include "wx/dcmemory.h" #include "wx/log.h" #include "wx/region.h" #endif @@ -36,22 +38,915 @@ #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(); + + float 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 +// + +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(); + + wxMacCFRefHolder m_color; + wxMacCFRefHolder m_colorSpace; + + bool m_isPattern; + wxMacCFRefHolder m_pattern; + CGFloat* m_patternColorComponents; + + 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 ) +{ + Init(); + + if ( brush.GetStyle() == wxSOLID ) + { + if ( brush.MacGetBrushKind() == kwxMacBrushTheme ) + { +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 + if ( HIThemeBrushCreateCGColor != 0 ) + { + CGColorRef color ; + HIThemeBrushCreateCGColor( brush.MacGetTheme(), &color ); + m_color.Set( color ) ; + } + else +#endif + { + // as close as we can get, unfortunately < 10.4 things get difficult + RGBColor color; + GetThemeBrushAsColor( brush.MacGetTheme(), 32, true, &color ); + float components[4] = { (CGFloat) color.red / 65536, + (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 } ; + m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; + } + } + else + { + float 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 ) ) ) ); + } + } +} + +wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData() +{ + if ( m_shading ) + CGShadingRelease(m_shading); + + if( m_gradientFunction ) + CGFunctionRelease(m_gradientFunction); + + delete[] m_gradientComponents; + delete[] m_patternColorComponents; +} + +void wxMacCoreGraphicsBrushData::Init() +{ + m_patternColorComponents = NULL; + m_gradientFunction = NULL; + m_shading = NULL; + m_isPattern = false; + 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 + { + if ( m_isPattern ) + { + CGAffineTransform matrix = CGContextGetCTM( cg ); + CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) ); + CGContextSetFillColorSpace( cg , m_colorSpace ); + CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents ); + } + else + { + CGContextSetFillColorWithColor( cg, m_color ); + } + } +} + +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; } +private : + ATSUStyle m_macATSUIStyle; +}; + +wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer ) +{ + 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.MacGetFontSize()) ); + 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; + } +} + +// +// 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(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) ); +} + +// 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 // -class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath +//----------------------------------------------------------------------------- +// wxMacCoreGraphicsPath declaration +//----------------------------------------------------------------------------- + +class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData { - DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsPath) public : - wxMacCoreGraphicsPath(); - ~wxMacCoreGraphicsPath(); + 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) + // 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 @@ -61,20 +956,20 @@ public : virtual void CloseSubpath(); // gets the last point of the current path, (0,0) if not yet set - virtual void GetCurrentPoint( wxDouble& x, wxDouble&y); + 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 + // 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 + // 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 @@ -82,106 +977,173 @@ public : // 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 ); - - CGPathRef GetPath() const; + + // 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::wxMacCoreGraphicsPath() +//----------------------------------------------------------------------------- +// wxMacCoreGraphicsPath implementation +//----------------------------------------------------------------------------- + +wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer) { - m_path = CGPathCreateMutable(); + if ( path ) + m_path = path; + else + m_path = CGPathCreateMutable(); } -wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath() +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 wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 ) +void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 ) { CGPathMoveToPoint( m_path , NULL , x1 , y1 ); } -void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 ) +void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 ) { CGPathAddLineToPoint( m_path , NULL , x1 , y1 ); } -void wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) +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 wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y ) +void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y ) { CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y ); } -void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { CGRect cgRect = { { x , y } , { w , h } }; CGPathAddRect( m_path , NULL , cgRect ); } -void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r ) +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 wxMacCoreGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) +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); + CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); } -void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) +void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) { - CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); + CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); } -// closes the current subpath -void wxMacCoreGraphicsPath::CloseSubpath() +void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path ) { - CGPathCloseSubpath( m_path ); + CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() ); } -CGPathRef wxMacCoreGraphicsPath::GetPath() const +// closes the current subpath +void wxMacCoreGraphicsPathData::CloseSubpath() { - return m_path; + CGPathCloseSubpath( m_path ); } // gets the last point of the current path, (0,0) if not yet set -void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y) +void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const { CGPoint p = CGPathGetCurrentPoint( m_path ); - x = p.x; - y = p.y; + *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 { - DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext) - public: - wxMacCoreGraphicsContext( CGContextRef cgcontext ); - - wxMacCoreGraphicsContext( WindowRef window ); - + wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ); + + wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ); + + wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ); + + wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer); + wxMacCoreGraphicsContext(); - - ~wxMacCoreGraphicsContext(); - void Init(); + ~wxMacCoreGraphicsContext(); - // creates a path instance that corresponds to the type of graphics context, ie GDIPlus, cairo, CoreGraphics ... - virtual wxGraphicsPath * CreatePath(); + void Init(); // push the current state of the context, ie the transformation matrix on a stack virtual void PushState(); @@ -194,16 +1156,17 @@ public: // 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(); - + // 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 ); @@ -213,44 +1176,42 @@ public: // 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 // - - // sets the pan - virtual void SetPen( const wxPen &pen ); - - // sets the brush for filling - virtual void SetBrush( const wxBrush &brush ); - - // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 - virtual void SetLinearGradientBrush( 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 void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor); - - // sets the font - virtual void SetFont( const wxFont &font ); - - // sets the text color - virtual void SetTextColor( const wxColour &col ); // strokes along a path with the current pen - virtual void StrokePath( const wxGraphicsPath *path ); + virtual void StrokePath( const wxGraphicsPath &path ); // fills a path with the current brush - virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE ); + 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 = wxWINDING_RULE ); + 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 ); @@ -260,724 +1221,459 @@ public: virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const; - // - // image support - // - - 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 ); - CGPathDrawingMode GetDrawingMode() const { return m_mode; } - -private: - CGContextRef m_cgContext; - WindowRef m_windowRef; - bool m_releaseContext; - CGPathDrawingMode m_mode; - ATSUStyle m_macATSUIStyle; - wxPen m_pen; - wxBrush m_brush; - wxFont m_font; - wxColor m_textForegroundColor; -}; - -//----------------------------------------------------------------------------- -// 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; - -//----------------------------------------------------------------------------- -// 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) - -//----------------------------------------------------------------------------- -// wxGraphicsPath implementation -//----------------------------------------------------------------------------- - -//----------------------------------------------------------------------------- -// wxGraphicsContext implementation -//----------------------------------------------------------------------------- - -void wxMacCoreGraphicsContext::Init() -{ - m_cgContext = NULL; - m_mode = kCGPathFill; - m_macATSUIStyle = NULL; - m_releaseContext = false; -} - -wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( CGContextRef cgcontext ) -{ - Init(); - m_cgContext = cgcontext; - CGContextSaveGState( m_cgContext ); - CGContextSaveGState( m_cgContext ); -} - -wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( WindowRef window ) -{ - Init(); - m_windowRef = window; - OSStatus status = QDBeginCGContext( GetWindowPort( window ) , &m_cgContext ); - wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ); - Rect bounds; - GetWindowBounds( window, kWindowContentRgn, &bounds ); - CGContextSaveGState( m_cgContext ); - CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ); - CGContextScaleCTM( m_cgContext , 1 , -1 ); - CGContextSaveGState( m_cgContext ); - m_releaseContext = true; -} - -wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() -{ - Init(); -} - -wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() -{ - if ( m_cgContext ) - { - CGContextSynchronize( m_cgContext ); - CGContextRestoreGState( m_cgContext ); - CGContextRestoreGState( m_cgContext ); - } - - if ( m_releaseContext ) - QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); -} - -void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) -{ - HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ); - HIShapeReplacePathInCGContext( shape, m_cgContext ); - CGContextClip( m_cgContext ); - CFRelease( shape ); -} - -// clips drawings to the rect -void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) -{ - HIRect r = CGRectMake( x , y , w , h ); - CGContextClipToRect( m_cgContext, r ); -} - - // resets the clipping to original extent -void wxMacCoreGraphicsContext::ResetClip() -{ - CGContextRestoreGState( m_cgContext ); - CGContextSaveGState( m_cgContext ); -} - -void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *p ) -{ - const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p ); - int width = m_pen.GetWidth(); - if ( width == 0 ) - width = 1 ; - if ( m_pen.GetStyle() == wxTRANSPARENT ) - width = 0 ; - - bool offset = ( width % 2 ) == 1 ; - - if ( offset ) - CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); - - CGContextAddPath( m_cgContext , path->GetPath() ); - CGContextStrokePath( m_cgContext ); - - if ( offset ) - CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); -} + // + // image support + // -void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *p , int fillStyle ) -{ - const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p ); - CGPathDrawingMode mode = m_mode; + virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); - if ( fillStyle == wxODDEVEN_RULE ) - { - if ( mode == kCGPathFill ) - mode = kCGPathEOFill; - else if ( mode == kCGPathFillStroke ) - mode = kCGPathEOFillStroke; - } + virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); - int width = m_pen.GetWidth(); - if ( width == 0 ) - width = 1 ; - if ( m_pen.GetStyle() == wxTRANSPARENT ) - width = 0 ; - - bool offset = ( width % 2 ) == 1 ; + void SetNativeContext( CGContextRef cg ); - if ( offset ) - CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); + DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext) + DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext) - CGContextAddPath( m_cgContext , path->GetPath() ); - CGContextDrawPath( m_cgContext , mode ); +private: + void EnsureIsValid(); - if ( offset ) - CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); -} + CGContextRef m_cgContext; + WindowRef m_windowRef; + bool m_releaseContext; + CGAffineTransform m_windowTransform; -void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *p , int fillStyle ) -{ - const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p ); + wxMacCFRefHolder m_clipRgn; +}; - CGContextAddPath( m_cgContext , path->GetPath() ); - if ( fillStyle == wxODDEVEN_RULE ) - CGContextEOFillPath( m_cgContext ); - else - CGContextFillPath( m_cgContext ); -} +//----------------------------------------------------------------------------- +// 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 +//----------------------------------------------------------------------------- -wxGraphicsPath* wxMacCoreGraphicsContext::CreatePath() -{ - return new wxMacCoreGraphicsPath(); -} +// 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) -void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) -{ - // we allow either setting or clearing but not replacing - wxASSERT( m_cgContext == NULL || cg == NULL ); +//----------------------------------------------------------------------------- +// wxMacCoreGraphicsContext implementation +//----------------------------------------------------------------------------- - if ( cg ) - CGContextSaveGState( cg ); - m_cgContext = cg; -} +IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext) -void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) +void wxMacCoreGraphicsContext::Init() { - CGContextTranslateCTM( m_cgContext, dx, dy ); -} + m_cgContext = NULL; + m_releaseContext = false; + m_windowRef = NULL; -void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale ) -{ - CGContextScaleCTM( m_cgContext , xScale , yScale ); + HIRect r = CGRectMake(0,0,0,0); + m_clipRgn.Set(HIShapeCreateWithRect(&r)); } -void wxMacCoreGraphicsContext::Rotate( wxDouble angle ) +wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer) { - CGContextRotateCTM( m_cgContext , angle ); + Init(); + SetNativeContext(cgcontext); } -void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer) { - CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ); - HIRect r = CGRectMake( x , y , w , h ); - HIViewDrawCGImage( m_cgContext , &r , image ); - CGImageRelease( image ); + Init(); + m_windowRef = window; } -void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer) { - 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 ); + 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 ) ; } -void wxMacCoreGraphicsContext::PushState() +wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer) { - CGContextSaveGState( m_cgContext ); + Init(); } -void wxMacCoreGraphicsContext::PopState() +wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL) { - CGContextRestoreGState( m_cgContext ); + Init(); + wxLogDebug(wxT("Illegal Constructor called")); } -void wxMacCoreGraphicsContext::SetTextColor( const wxColour &col ) +wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() { - m_textForegroundColor = col; - // to recreate the native font after color change - SetFont( m_font ); + SetNativeContext(NULL); } -#pragma mark - -#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes - -// CGPattern wrapper class: always allocate on heap, never call destructor - -class wxMacCoreGraphicsPattern +void wxMacCoreGraphicsContext::EnsureIsValid() { -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 ) + if ( !m_cgContext ) { - 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 }; + OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext ); + wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ); + + CGContextConcatCTM( m_cgContext, m_windowTransform ); + CGContextSaveGState( m_cgContext ); + m_releaseContext = true; + if ( !HIShapeIsEmpty(m_clipRgn) ) + { + // 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 ); + HIShapeReplacePathInCGContext( hishape, m_cgContext ); + CGContextClip( m_cgContext ); + } + CGContextSaveGState( m_cgContext ); + } +} -class ImagePattern : public wxMacCoreGraphicsPattern +bool wxMacCoreGraphicsContext::SetLogicalFunction( int function ) { -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 ); + if (m_logicalFunction == function) + return true; - Init( image , transform ); - } + EnsureIsValid(); + + bool retval = false; - virtual void Render( CGContextRef ctxRef ) + if ( function == wxCOPY ) { - if (m_image != NULL) - HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image ); + retval = true; +#if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES + if ( CGContextSetBlendMode != NULL ) + { + CGContextSetBlendMode( m_cgContext, kCGBlendModeNormal ); + CGContextSetShouldAntialias( m_cgContext, true ); + } +#endif } - -protected : - void Init( CGImageRef image, const CGAffineTransform& transform ) + else if ( function == wxINVERT || function == wxXOR ) { - m_image = image; - if ( m_image ) +#if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES + if ( CGContextSetBlendMode != NULL ) { - 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 ); + // change color to white + CGContextSetBlendMode( m_cgContext, kCGBlendModeExclusion ); + CGContextSetShouldAntialias( m_cgContext, false ); + retval = true; } +#endif } + + if (retval) + m_logicalFunction = function; + return retval ; +} - virtual ~ImagePattern() +void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) +{ + if( m_cgContext ) { - if ( m_image ) - CGImageRelease( m_image ); + HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ); + HIShapeReplacePathInCGContext( shape, m_cgContext ); + CGContextClip( m_cgContext ); + CFRelease( shape ); } - - CGImageRef m_image; - CGRect m_imageBounds; -}; - -class HatchPattern : public wxMacCoreGraphicsPattern -{ -public : - HatchPattern( int hatchstyle, const CGAffineTransform& transform ) + else { - 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 ); + // 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); } +} - void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) +// 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 ) { -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 - if ( UMAGetSystemVersion() >= 0x1040 ) - { - 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); - } + CGContextClipToRect( m_cgContext, r ); } - - virtual void Render( CGContextRef ctxRef ) + else { - 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; - } + // 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)); } +} -protected : - virtual ~HatchPattern() {} + // 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 + { + HIRect r = CGRectMake(0,0,0,0); + m_clipRgn.Set(HIShapeCreateWithRect(&r)); + } +} - CGRect m_imageBounds; - int m_hatch; -}; +void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) +{ + if ( m_pen.IsNull() ) + return ; -#pragma mark - + EnsureIsValid(); -void wxMacCoreGraphicsContext::SetPen( const wxPen &pen ) -{ - m_pen = pen; - if ( m_cgContext == NULL ) - return; + bool offset = ShouldOffset(); + if ( offset ) + CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); - bool fill = m_brush.GetStyle() != wxTRANSPARENT; - bool stroke = pen.GetStyle() != wxTRANSPARENT; + ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); + CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); + CGContextStrokePath( m_cgContext ); -#if 0 - // we can benchmark performance; should go into a setting eventually - CGContextSetShouldAntialias( m_cgContext , false ); -#endif + if ( offset ) + CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); +} - if ( fill || stroke ) +void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle ) +{ + if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { - // set up brushes - m_mode = kCGPathFill; // just a default + // 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; + } - if ( stroke ) + CGPathDrawingMode mode = kCGPathFill ; + if ( m_brush.IsNull() ) + { + if ( m_pen.IsNull() ) + return; + else + mode = kCGPathStroke; + } + else + { + if ( m_pen.IsNull() ) { - CGContextSetRGBStrokeColor( m_cgContext , pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , - pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 ); - - // TODO: * m_dc->m_scaleX - CGFloat penWidth = pen.GetWidth(); - if (penWidth <= 0.0) - penWidth = 0.1; - CGContextSetLineWidth( m_cgContext , penWidth ); - - CGLineCap cap; - switch ( pen.GetCap() ) - { - case wxCAP_ROUND : - cap = kCGLineCapRound; - break; - - case wxCAP_PROJECTING : - cap = kCGLineCapSquare; - break; - - case wxCAP_BUTT : - cap = kCGLineCapButt; - break; - - default : - cap = kCGLineCapButt; - break; - } + if ( fillStyle == wxODDEVEN_RULE ) + mode = kCGPathEOFill; + else + mode = kCGPathFill; + } + else + { + if ( fillStyle == wxODDEVEN_RULE ) + mode = kCGPathEOFillStroke; + else + mode = kCGPathFillStroke; + } + } - CGLineJoin join; - switch ( pen.GetJoin() ) - { - case wxJOIN_BEVEL : - join = kCGLineJoinBevel; - break; + EnsureIsValid(); - case wxJOIN_MITER : - join = kCGLineJoinMiter; - break; + if ( !m_brush.IsNull() ) + ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); + if ( !m_pen.IsNull() ) + ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); - case wxJOIN_ROUND : - join = kCGLineJoinRound; - break; + bool offset = ShouldOffset(); - default : - join = kCGLineJoinMiter; - break; - } + if ( offset ) + CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); - m_mode = kCGPathStroke; - int count = 0; + CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); + CGContextDrawPath( m_cgContext , mode ); - const CGFloat *lengths = NULL; - CGFloat *userLengths = NULL; + if ( offset ) + CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); +} - const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth; +void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle ) +{ + if ( m_brush.IsNull() ) + return; - const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; - const CGFloat short_dashed[] = { 9.0 , 6.0 }; - const CGFloat dashed[] = { 19.0 , 9.0 }; - const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; + EnsureIsValid(); - switch ( pen.GetStyle() ) - { - case wxSOLID : - break; - - case wxDOT : - lengths = dotted; - count = WXSIZEOF(dotted); - break; - - case wxLONG_DASH : - lengths = dashed; - count = WXSIZEOF(dashed); - break; - - case wxSHORT_DASH : - lengths = short_dashed; - count = WXSIZEOF(short_dashed); - break; - - case wxDOT_DASH : - lengths = dotted_dashed; - count = WXSIZEOF(dotted_dashed); - break; - - case wxUSER_DASH : - wxDash *dashes; - count = pen.GetDashes( &dashes ); - if ((dashes != NULL) && (count > 0)) - { - userLengths = new CGFloat[count]; - for ( int i = 0; i < count; ++i ) - { - userLengths[i] = dashes[i] * dashUnit; - - if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 ) - userLengths[i] = dashUnit + 2.0; - else if ( i % 2 == 0 && userLengths[i] < dashUnit ) - userLengths[i] = dashUnit; - } - } - lengths = userLengths; - break; - - case wxSTIPPLE : - { - CGFloat alphaArray[1] = { 1.0 }; - wxBitmap* bmp = pen.GetStipple(); - if ( bmp && bmp->Ok() ) - { - wxMacCFRefHolder patternSpace( CGColorSpaceCreatePattern( NULL ) ); - CGContextSetStrokeColorSpace( m_cgContext , patternSpace ); - wxMacCFRefHolder pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); - CGContextSetStrokePattern( m_cgContext, pattern , alphaArray ); - } - } - break; - - default : - { - wxMacCFRefHolder patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); - CGContextSetStrokeColorSpace( m_cgContext , patternSpace ); - wxMacCFRefHolder pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); + 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 ); + } +} - CGFloat colorArray[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , - pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 }; +void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) +{ + // we allow either setting or clearing but not replacing + wxASSERT( m_cgContext == NULL || cg == NULL ); - CGContextSetStrokePattern( m_cgContext, pattern , colorArray ); - } - break; - } + 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 ) + QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); + else + CGContextRelease(m_cgContext); + } - if ((lengths != NULL) && (count > 0)) - { - CGContextSetLineDash( m_cgContext , 0 , lengths , count ); - // force the line cap, otherwise we get artifacts (overlaps) and just solid lines - cap = kCGLineCapButt; - } - else - { - CGContextSetLineDash( m_cgContext , 0 , NULL , 0 ); - } - CGContextSetLineCap( m_cgContext , cap ); - CGContextSetLineJoin( m_cgContext , join ); + m_cgContext = cg; - delete[] userLengths; - } + // 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. - if ( fill && stroke ) - m_mode = kCGPathFillStroke; + // 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::SetBrush( const wxBrush &brush ) +void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) { - m_brush = brush; - if ( m_cgContext == NULL ) - return; + 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); +} - bool fill = brush.GetStyle() != wxTRANSPARENT; - bool stroke = m_pen.GetStyle() != wxTRANSPARENT; +void wxMacCoreGraphicsContext::Rotate( wxDouble angle ) +{ + if ( m_cgContext ) + CGContextRotateCTM( m_cgContext , angle ); + else + m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle); +} -#if 0 - // we can benchmark performance, should go into a setting later - CGContextSetShouldAntialias( m_cgContext , false ); -#endif +void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + EnsureIsValid(); - if ( fill || stroke ) + CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ); + HIRect r = CGRectMake( x , y , w , h ); + if ( bmp.GetDepth() == 1 ) { - // setup brushes - m_mode = kCGPathFill; // just a default - - if ( fill ) + // is is a mask, the '1' in the mask tell where to draw the current brush + if ( !m_brush.IsNull() ) { - if ( brush.GetStyle() == wxSOLID ) - { - CGContextSetRGBFillColor( m_cgContext , brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , - brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 ); - } - else if ( brush.IsHatch() ) + if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) { - wxMacCFRefHolder patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); - CGContextSetFillColorSpace( m_cgContext , patternSpace ); - wxMacCFRefHolder pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); - - CGFloat colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , - brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 }; - - CGContextSetFillPattern( m_cgContext, pattern , colorArray ); + // 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 { - // now brush is a bitmap - CGFloat alphaArray[1] = { 1.0 }; - wxBitmap* bmp = brush.GetStipple(); - if ( bmp && bmp->Ok() ) - { - wxMacCFRefHolder patternSpace( CGColorSpaceCreatePattern( NULL ) ); - CGContextSetFillColorSpace( m_cgContext , patternSpace ); - wxMacCFRefHolder pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); - CGContextSetFillPattern( m_cgContext, pattern , alphaArray ); - } + ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); + HIViewDrawCGImage( m_cgContext , &r , image ); } - - m_mode = kCGPathFill; } - - if ( fill && stroke ) - m_mode = kCGPathFillStroke; - else if ( stroke ) - m_mode = kCGPathStroke; } + else + { + HIViewDrawCGImage( m_cgContext , &r , image ); + } + CGImageRelease( image ); } -// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 -void wxMacCoreGraphicsContext::SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) +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 ); } -// 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 -void wxMacCoreGraphicsContext::SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +void wxMacCoreGraphicsContext::PushState() { + EnsureIsValid(); + + CGContextSaveGState( m_cgContext ); } +void wxMacCoreGraphicsContext::PopState() +{ + EnsureIsValid(); + + CGContextRestoreGState( m_cgContext ); +} -void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) +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 ) +void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) { + if ( m_font.IsNull() ) + return; + + EnsureIsValid(); + OSStatus status = noErr; ATSUTextLayout atsuLayout; UniCharCount chars = str.length(); @@ -1006,8 +1702,9 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub #endif #endif + ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , - &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ); + &chars , &style , &atsuLayout ); wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); @@ -1060,28 +1757,8 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); Rect rect; -/* - // TODO - if ( m_backgroundMode == wxSOLID ) - { - wxGraphicsPath* path = m_graphicContext->CreatePath(); - path->MoveToPoint( drawX , drawY ); - path->AddLineToPoint( - (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) , - (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) ); - path->AddLineToPoint( - (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , - (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ); - path->AddLineToPoint( - (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , - (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ); - - m_graphicContext->FillPath( path , m_textBackgroundColour ); - delete path; - } -*/ - x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent)); - y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent)); + x += (int)(sin(angle) * FixedToInt(ascent)); + y += (int)(cos(angle) * FixedToInt(ascent)); status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, IntToFixed(x) , IntToFixed(y) , &rect ); @@ -1103,14 +1780,14 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub free( ubuf ); #endif } - + void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, wxDouble *descent, wxDouble *externalLeading ) const { - wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ); + wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ); OSStatus status = noErr; - + ATSUTextLayout atsuLayout; UniCharCount chars = str.length(); UniChar* ubuf = NULL; @@ -1138,8 +1815,9 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid #endif #endif + ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , - &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ); + &chars , &style , &atsuLayout ); wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); @@ -1159,9 +1837,12 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid *width = FixedToInt(textAfter - textBefore); ::ATSUDisposeTextLayout(atsuLayout); +#if SIZEOF_WCHAR_T == 4 + free( ubuf ) ; +#endif } -void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const +void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const { widths.Empty(); widths.Add(0, text.length()); @@ -1196,8 +1877,9 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr #endif #endif + ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , - &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ); + &chars , &style , &atsuLayout ); for ( int pos = 0; pos < (int)chars; pos ++ ) { @@ -1216,71 +1898,237 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr } ::ATSUDisposeTextLayout(atsuLayout); +#if SIZEOF_WCHAR_T == 4 + free( ubuf ) ; +#endif } -void wxMacCoreGraphicsContext::SetFont( const wxFont &font ) +void * wxMacCoreGraphicsContext::GetNativeContext() { - if ( m_macATSUIStyle ) + 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(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix()); +} + +// sets the transform of this context +void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix ) +{ + if ( m_cgContext ) { - ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); - m_macATSUIStyle = NULL; + CGAffineTransform transform = CGContextGetCTM( m_cgContext ); + transform = CGAffineTransformInvert( transform ) ; + CGContextConcatCTM( m_cgContext, transform); + CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); + } + else + { + m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix(); } +} - if ( font.Ok() ) +// 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 ) ; + +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 ) { - m_font = font ; - OSStatus status; + return new wxMacCoreGraphicsContext(this, + (CGContextRef)mdc->GetGraphicsContext()->GetNativeContext()); + } + else + { + return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() ); + } +} - status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ); +wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context ) +{ + return new wxMacCoreGraphicsContext(this,(CGContextRef)context); +} - wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ); - // we need the scale here ... +wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window ) +{ + return new wxMacCoreGraphicsContext(this,(WindowRef)window); +} - Fixed atsuSize = IntToFixed( int( /*m_scaleY*/ 1 * font.MacGetFontSize()) ); - RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColor.GetPixel() ); - ATSUAttributeTag atsuTags[] = - { - kATSUSizeTag , - kATSUColorTag , - }; - ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = - { - sizeof( Fixed ) , - sizeof( RGBColor ) , - }; - ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = - { - &atsuSize , - &atsuColor , - }; +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 - status = ::ATSUSetAttributes( - (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , - atsuTags, atsuSizes, atsuValues); +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; +} - wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ); +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; } } -void * wxMacCoreGraphicsContext::GetNativeContext() +wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush ) { - return m_cgContext; + if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) + return wxNullGraphicsBrush; + else + { + wxGraphicsBrush p; + p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush )); + return p; + } } -wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC &dc ) +// 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) { - return new wxMacCoreGraphicsContext((CGContextRef)dc.GetWindow()->MacGetCGContextRef() ); + wxGraphicsBrush p; + wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); + d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + p.SetRefData(d); + return p; } -wxGraphicsContext* wxGraphicsContext::Create( wxWindow * window ) +// 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) { - return new wxMacCoreGraphicsContext( (WindowRef) window->MacGetTopLevelWindowRef() ); + wxGraphicsBrush p; + wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); + d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + p.SetRefData(d); + return p; } -wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context ) +// sets the font +wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col ) { - return new wxMacCoreGraphicsContext((CGContextRef)context); + if ( font.Ok() ) + { + wxGraphicsFont p; + p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col )); + return p; + } + else + return wxNullGraphicsFont; } + + #endif // wxMAC_USE_CORE_GRAPHICS