#include "wx/wxprec.h"
-#if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS
-
#include "wx/graphics.h"
+#include "wx/private/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"
+ #include "wx/icon.h"
#endif
-#include "wx/mac/uma.h"
-
#ifdef __MSL__
#if __MSL__ >= 0x6000
#include "math.h"
#endif
#endif
-#include "wx/mac/private.h"
+#ifdef __WXMAC__
+ #include "wx/mac/uma.h"
+#else
+ #include "CoreServices/CoreServices.h"
+ #include "ApplicationServices/ApplicationServices.h"
+ #include "wx/mac/corefoundation/cfstring.h"
+ #include "wx/cocoa/dcclient.h"
+#endif
+
+#ifdef __WXCOCOA__
+
+CGColorSpaceRef wxMacGetGenericRGBColorSpace()
+{
+ static wxCFRef<CGColorSpaceRef> genericRGBColorSpace;
+
+ if (genericRGBColorSpace == NULL)
+ {
+ genericRGBColorSpace.reset( CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB ) );
+ }
+
+ return genericRGBColorSpace;
+}
+
+int UMAGetSystemVersion()
+{
+ return 0x1050;
+}
+
+
+#define wxMAC_USE_CORE_TEXT 1
-#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
-typedef float CGFloat;
#endif
//-----------------------------------------------------------------------------
#pragma mark -
#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
+OSStatus wxMacDrawCGImage(
+ CGContextRef inContext,
+ const CGRect * inBounds,
+ CGImageRef inImage)
+{
+#if defined( __LP64__ ) || defined(__WXCOCOA__)
+ // todo flip
+ CGContextDrawImage(inContext, *inBounds, inImage );
+ return noErr;
+#else
+ return HIViewDrawCGImage( inContext, inBounds, inImage );
+#endif
+}
+
+CGColorRef wxMacCreateCGColor( const wxColour& col )
+{
+ CGColorRef retval = 0;
+#ifdef __WXMAC__
+ retval = col.CreateCGColor();
+#else
+// TODO add conversion NSColor - CGColorRef (obj-c)
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+ if ( CGColorCreateGenericRGB )
+ retval = CGColorCreateGenericRGB( col.Red() / 255.0 , col.Green() / 255.0, col.Blue() / 255.0, col.Alpha() / 255.0 );
+ else
+#endif
+ {
+ CGFloat components[4] = { col.Red() / 255.0, col.Green() / 255.0, col.Blue() / 255.0, col.Alpha() / 255.0 } ;
+ retval = CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ;
+ }
+
+#endif
+ return retval;
+}
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && defined(wxMAC_USE_CORE_TEXT)
+
+CTFontRef wxMacCreateCTFont( const wxFont& font )
+{
+#ifdef __WXMAC__
+ return wxCFRetain((CTFontRef) font.MacGetCTFont());
+#else
+ return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL );
+#endif
+}
+
+#endif
+
// CGPattern wrapper class: always allocate on heap, never call destructor
class wxMacCoreGraphicsPattern
ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
{
wxASSERT( bmp && bmp->Ok() );
-
- Init( (CGImageRef) bmp->CGImageCreate() , transform );
+#ifdef __WXMAC__
+ Init( (CGImageRef) bmp->CreateCGImage() , transform );
+#endif
}
// ImagePattern takes ownership of CGImageRef passed in
virtual void Render( CGContextRef ctxRef )
{
if (m_image != NULL)
- HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
+ wxMacDrawCGImage( ctxRef, &m_imageBounds, m_image );
}
protected :
void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
{
-#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);
- }
+ CGContextStrokeLineSegments( ctxRef , pts , count );
}
virtual void Render( CGContextRef ctxRef )
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<CGColorRef> m_color;
- wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
+ wxCFRef<CGColorRef> m_color;
+ wxCFRef<CGColorSpaceRef> m_colorSpace;
CGLineJoin m_join;
CGFloat m_width;
-
+
int m_count;
const CGFloat *m_lengths;
CGFloat *m_userLengths;
bool m_isPattern;
- wxMacCFRefHolder<CGPatternRef> m_pattern;
+ wxCFRef<CGPatternRef> m_pattern;
CGFloat* m_patternColorComponents;
};
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 ) ) ;
+
+ m_color.reset( wxMacCreateCGColor( pen.GetColour() ) ) ;
// TODO: * m_dc->m_scaleX
m_width = pen.GetWidth();
wxBitmap* bmp = pen.GetStipple();
if ( bmp && bmp->Ok() )
{
- m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
- m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+ m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) );
+ m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
m_patternColorComponents = new CGFloat[1] ;
m_patternColorComponents[0] = 1.0;
m_isPattern = true;
default :
{
m_isPattern = true;
- m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
- m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+ m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+ m_pattern.reset( (CGPatternRef) *( 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_lengths = NULL;
m_userLengths = NULL;
- m_width = NULL;
+ m_width = 0;
m_count = 0;
m_patternColorComponents = NULL;
m_isPattern = false;
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
{
- CGContextSetStrokeColorWithColor( cg , m_color );
+ 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 ) ;
+
+// make sure we all use one class for all conversions from wx to native colour
+
+class wxMacCoreGraphicsColour
+{
+ public:
+ wxMacCoreGraphicsColour();
+ wxMacCoreGraphicsColour(const wxBrush &brush);
+ ~wxMacCoreGraphicsColour();
+
+ void Apply( CGContextRef cgContext );
+ protected:
+ void Init();
+ wxCFRef<CGColorRef> m_color;
+ wxCFRef<CGColorSpaceRef> m_colorSpace;
+
+ bool m_isPattern;
+ wxCFRef<CGPatternRef> m_pattern;
+ CGFloat* m_patternColorComponents;
+} ;
+
+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 )
+ {
+ m_color.reset( wxMacCreateCGColor( brush.GetColour() ));
+ }
+ else if ( brush.IsHatch() )
+ {
+ m_isPattern = true;
+ m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+ m_pattern.reset( (CGPatternRef) *( 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.reset( CGColorSpaceCreatePattern( NULL ) );
+ m_pattern.reset( (CGPatternRef) *( 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,
+ 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<CGColorRef> m_color;
- wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
- bool m_isPattern;
- wxMacCFRefHolder<CGPatternRef> m_pattern;
- CGFloat* m_patternColorComponents;
-
+ wxMacCoreGraphicsColour m_cgColor;
+
bool m_isShading;
CGFunctionRef m_gradientFunction;
CGShadingRef m_shading;
Init();
}
-void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+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_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 )
+
+wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ),
+ m_cgColor( brush )
{
Init();
-
- if ( brush.GetStyle() == wxSOLID )
- {
- 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() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
- 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 , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
- }
- }
}
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 )
- {
- CGContextSetFillColorSpace( cg , m_colorSpace );
- CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents );
- }
- else
- {
- CGContextSetFillColorWithColor( cg, m_color );
- }
+ m_cgColor.Apply( cg );
}
}
m_gradientComponents[6] = c2.Blue() / 255.0;
m_gradientComponents[7] = c2.Alpha() / 255.0;
- return CGFunctionCreate ( m_gradientComponents, 1,
- input_value_range,
- 4,
+ return CGFunctionCreate ( m_gradientComponents, 1,
+ input_value_range,
+ 4,
output_value_ranges,
- &callbacks);
+ &callbacks);
}
//
public:
wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
~wxMacCoreGraphicsFontData();
-
+
+#if wxMAC_USE_ATSU_TEXT
virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
+#endif
+#if wxMAC_USE_CORE_TEXT
+ CTFontRef GetCTFont() const { return m_ctFont ; }
+#endif
+ wxColour GetColour() const { return m_colour ; }
+
+ bool GetUnderlined() const { return m_underlined ; }
private :
+ wxColour m_colour;
+ bool m_underlined;
+#if wxMAC_USE_ATSU_TEXT
ATSUStyle m_macATSUIStyle;
+#endif
+#if wxMAC_USE_CORE_TEXT
+ wxCFRef< CTFontRef > m_ctFont;
+#endif
};
wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer )
{
+ m_colour = col;
+ m_underlined = font.GetUnderlined();
+
+#if wxMAC_USE_CORE_TEXT
+ m_ctFont.reset( wxMacCreateCTFont( font ) );
+#endif
+#if wxMAC_USE_ATSU_TEXT
+ OSStatus status = noErr;
m_macATSUIStyle = NULL;
-
- OSStatus status;
status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
// we need the scale here ...
Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
- RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() );
+ RGBColor atsuColor ;
+ col.GetRGBColor( &atsuColor );
ATSUAttributeTag atsuTags[] =
{
kATSUSizeTag ,
atsuTags, atsuSizes, atsuValues);
wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
+#endif
+#if wxMAC_USE_CG_TEXT
+#endif
}
wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
{
+#if wxMAC_USE_CORE_TEXT
+#endif
+#if wxMAC_USE_ATSU_TEXT
if ( m_macATSUIStyle )
{
::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
m_macATSUIStyle = NULL;
}
+#endif
+#if wxMAC_USE_CG_TEXT
+#endif
+}
+
+class wxMacCoreGraphicsBitmapData : public wxGraphicsObjectRefData
+{
+public:
+ wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap );
+ ~wxMacCoreGraphicsBitmapData();
+
+ virtual CGImageRef GetBitmap() { return m_bitmap; }
+private :
+ CGImageRef m_bitmap;
+};
+
+wxMacCoreGraphicsBitmapData::wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap ) : wxGraphicsObjectRefData( renderer )
+{
+ m_bitmap = bitmap;
+}
+
+wxMacCoreGraphicsBitmapData::~wxMacCoreGraphicsBitmapData()
+{
+ CGImageRelease( m_bitmap );
}
//
class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData
{
public :
- wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ;
-
- virtual ~wxMacCoreGraphicsMatrixData() ;
-
+ 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);
-
- // makes this the inverse matrix
- virtual void Invert();
-
- // returns true if the elements of the transformation matrix are equal ?
+ // 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;
-
+
+ // 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 );
virtual void Scale( wxDouble xScale , wxDouble yScale );
// add the rotation to this matrix (radians)
- virtual void Rotate( wxDouble angle );
-
+ 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;
-
+
+ // 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;
} ;
{
}
-wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData()
+wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData()
{
}
-wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const
+wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const
{
wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ;
m->m_matrix = m_matrix ;
}
// concatenates the matrix
-void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t )
+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)
+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()
+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
+bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
{
- const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix();
- 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 CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
}
//
// add the translation to this matrix
-void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy )
+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 )
+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 )
+void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle )
{
m_matrix = CGAffineTransformRotate( m_matrix, angle);
}
void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
{
CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix);
-
+
*x = pt.x;
*y = pt.y;
}
}
// returns the native representation
-void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const
+void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const
{
return (void*) &m_matrix;
}
{
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)
+ // 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 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
// 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;
+ // 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 *WXUNUSED(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;
};
wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer)
{
- if ( path )
- m_path = path;
- else
- m_path = CGPathCreateMutable();
+ if ( path )
+ m_path = path;
+ else
+ m_path = CGPathCreateMutable();
}
wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData()
CGPathRelease( m_path );
}
-wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const
+wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const
{
- wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path));
- return clone ;
+ wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path));
+ return clone ;
}
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 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);
}
void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path )
{
- CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
+ CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
}
// closes the current subpath
// 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;
+ 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;
+ 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
{
- return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
+ return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
}
//
class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
{
public:
- wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext );
-
+ wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width = 0, wxDouble height = 0 );
+
wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
-
+
wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window );
-
+
wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
-
+
wxMacCoreGraphicsContext();
-
+
~wxMacCoreGraphicsContext();
- void Init();
+ void Init();
+
+ // returns the size of the graphics context in device coordinates
+ virtual void GetSize( wxDouble* width, wxDouble* height);
+
+ virtual void StartPage( wxDouble width, wxDouble height );
+
+ virtual void EndPage();
+
+ virtual void Flush();
// push the current state of the context, ie the transformation matrix on a stack
virtual void PushState();
// 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 );
// rotate (radians)
virtual void Rotate( wxDouble angle );
- // concatenates this transform with the current transform of this context
- virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
+ // 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 );
+ // sets the transform of this context
+ virtual void SetTransform( const wxGraphicsMatrix& matrix );
- // gets the matrix of this context
- virtual wxGraphicsMatrix GetTransform() const;
+ // 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 );
int penwidth = 0 ;
if ( !m_pen.IsNull() )
{
- penwidth = ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
+ penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
if ( penwidth == 0 )
penwidth = 1;
}
- return ( penwidth % 2 ) == 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 DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+ virtual void DrawBitmap( const wxGraphicsBitmap &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)
void EnsureIsValid();
CGContextRef m_cgContext;
- WindowRef m_windowRef;
- int m_originX;
- int m_originY;
- wxMacCFRefHolder<HIShapeRef> m_clipRgn;
- bool m_releaseContext;
+ WindowRef m_windowRef;
+ bool m_releaseContext;
+ CGAffineTransform m_windowTransform;
+ wxDouble m_width;
+ wxDouble m_height;
+
+ wxCFRef<HIShapeRef> m_clipRgn;
};
//-----------------------------------------------------------------------------
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_releaseContext = false;
m_windowRef = NULL;
- m_originX = 0;
- m_originY = 0;
- HIRect r = CGRectMake(0,0,0,0);
- m_clipRgn.Set(HIShapeCreateWithRect(&r));
+ m_width = 0;
+ m_height = 0;
+ CGRect r = CGRectMake(0,0,0,0);
+ m_clipRgn.reset(HIShapeCreateWithRect(&r));
}
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer)
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)
{
- Init();
- m_cgContext = cgcontext;
- // 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)
- {
- CGContextSaveGState( m_cgContext );
- CGContextSaveGState( m_cgContext );
- }
+ Init();
+ SetNativeContext(cgcontext);
+ m_width = width;
+ m_height = height;
}
wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
{
- Init();
- m_windowRef = window;
+ Init();
+ m_windowRef = window;
}
wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
{
- Init();
- m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
- m_originX = m_originY = 0;
- window->MacWindowToRootWindow( &m_originX , &m_originY );
+ Init();
+
+ int originX , originY;
+ originX = originY = 0;
+
+ Rect bounds = { 0,0,0,0 };
+#if defined( __LP64__ ) || defined(__WXCOCOA__)
+#else
+ m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
+ window->MacWindowToRootWindow( &originX , &originY );
+ GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
+#endif
+ m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top );
+ m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
+ m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ;
}
wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
{
- Init();
+ Init();
}
wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
{
- Init();
+ Init();
wxLogDebug(wxT("Illegal Constructor called"));
}
wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
{
- if ( m_cgContext )
- {
- // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
- CGContextRestoreGState( m_cgContext );
- CGContextRestoreGState( m_cgContext );
- }
+ SetNativeContext(NULL);
+}
+
+void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
+{
+ *width = m_width;
+ *height = m_height;
+}
+
- if ( m_releaseContext )
- QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
+void wxMacCoreGraphicsContext::StartPage( wxDouble width, wxDouble height )
+{
+ CGRect r;
+ if ( width != 0 && height != 0)
+ r = CGRectMake( 0 , 0 , width , height );
+ else
+ r = CGRectMake( 0 , 0 , m_width , m_height );
+
+ CGContextBeginPage(m_cgContext, &r );
+// CGContextTranslateCTM( m_cgContext , 0 , height == 0 ? m_height : height );
+// CGContextScaleCTM( m_cgContext , 1 , -1 );
+}
+
+void wxMacCoreGraphicsContext::EndPage()
+{
+ CGContextEndPage(m_cgContext);
+}
+
+void wxMacCoreGraphicsContext::Flush()
+{
+ CGContextFlush(m_cgContext);
}
void wxMacCoreGraphicsContext::EnsureIsValid()
{
- if ( !m_cgContext )
- {
- OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
- wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
- Rect bounds;
- GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
- CGContextSaveGState( m_cgContext );
- CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top );
- CGContextScaleCTM( m_cgContext , 1 , -1 );
- CGContextTranslateCTM( m_cgContext, m_originX, m_originY );
- CGContextSaveGState( m_cgContext );
- m_releaseContext = true;
- if ( !HIShapeIsEmpty(m_clipRgn) )
- {
- HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
- CGContextClip( m_cgContext );
- }
- }
+ if ( !m_cgContext )
+ {
+ OSStatus status =
+#if ! ( defined( __LP64__ ) || defined(__WXCOCOA__) )
+ QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
+#else
+ paramErr;
+#endif
+ if ( status != noErr )
+ {
+ wxFAIL_MSG("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
+ wxCFRef<HIMutableShapeRef> hishape( 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 );
+ }
}
+// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
+
+bool wxMacCoreGraphicsContext::SetLogicalFunction( int function )
+{
+ if (m_logicalFunction == function)
+ return true;
+
+ EnsureIsValid();
+
+ bool retval = false;
+ bool shouldAntiAlias = true;
+ CGBlendMode mode = kCGBlendModeNormal;
+
+#if defined(__WXMAC__) && ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 )
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ retval = true;
+ switch ( function )
+ {
+ // TODO find best corresponding porter duff modes
+ case wxCOPY :
+ mode = kCGBlendModeCopy;
+ break;
+ case wxCLEAR :
+ mode = kCGBlendModeClear;
+ break;
+ case wxXOR :
+ mode = kCGBlendModeXOR;
+ shouldAntiAlias = false;
+ break;
+ default :
+ retval = false;
+ break;
+ }
+ }
+ else
+#endif
+ {
+ if ( function == wxCOPY )
+ {
+ retval = true;
+ }
+ else if ( function == wxINVERT || function == wxXOR )
+ {
+ // change color to white
+ mode = kCGBlendModeExclusion;
+ shouldAntiAlias = false;
+ retval = true;
+ }
+ }
+
+ if (retval)
+ {
+ m_logicalFunction = function;
+ CGContextSetBlendMode( m_cgContext, mode );
+ CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias);
+ }
+ return retval ;
+}
void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
{
- if( m_cgContext )
- {
- HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
- HIShapeReplacePathInCGContext( shape, m_cgContext );
- CGContextClip( m_cgContext );
- CFRelease( shape );
- }
- else
- {
- m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
- }
+#ifdef __WXMAC__
+ if( m_cgContext )
+ {
+ HIShapeReplacePathInCGContext( region.GetWXHRGN() , 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
+ HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( region.GetWXHRGN() );
+
+ CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform );
+ HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y );
+ m_clipRgn.reset(mutableShape);
+ }
+#endif
}
// 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
- {
- m_clipRgn.Set(HIShapeCreateWithRect(&r));
- }
-}
-
- // resets the clipping to original extent
+ CGRect 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.reset(HIShapeCreateWithRect(&r));
+ }
+}
+
+ // resets the clipping to original extent
void wxMacCoreGraphicsContext::ResetClip()
{
- if ( m_cgContext )
- {
- CGContextRestoreGState( m_cgContext );
- CGContextSaveGState( m_cgContext );
- }
- else
- {
- HIRect r = CGRectMake(0,0,0,0);
- m_clipRgn.Set(HIShapeCreateWithRect(&r));
- }
+ 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
+ {
+ CGRect r = CGRectMake(0,0,0,0);
+ m_clipRgn.reset(HIShapeCreateWithRect(&r));
+ }
}
void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
if ( m_pen.IsNull() )
return ;
- EnsureIsValid();
-
- bool offset = ShouldOffset();
- if ( offset )
- CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+ EnsureIsValid();
+
+ wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
CGContextStrokePath( m_cgContext );
-
- if ( offset )
- CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
}
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
wxGraphicsContext::DrawPath( path, fillStyle );
return;
}
-
+
CGPathDrawingMode mode = kCGPathFill ;
if ( m_brush.IsNull() )
{
mode = kCGPathFillStroke;
}
}
-
- EnsureIsValid();
+
+ EnsureIsValid();
if ( !m_brush.IsNull() )
((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
if ( !m_pen.IsNull() )
((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
- bool offset = ShouldOffset();
-
- if ( offset )
- CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+ wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
CGContextDrawPath( m_cgContext , mode );
-
- if ( offset )
- CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
}
void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )
{
if ( m_brush.IsNull() )
return;
-
- EnsureIsValid();
-
+
+ EnsureIsValid();
+
if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
CGContextSaveGState( m_cgContext );
CGContextRestoreGState( m_cgContext);
}
else
- {
+ {
((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
if ( fillStyle == wxODDEVEN_RULE )
// we allow either setting or clearing but not replacing
wxASSERT( m_cgContext == NULL || cg == NULL );
- if ( cg )
- CGContextSaveGState( cg );
+ if ( m_cgContext )
+ {
+ // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
+ CGContextRestoreGState( m_cgContext );
+ CGContextRestoreGState( m_cgContext );
+ if ( m_releaseContext )
+ {
+#if ! ( defined( __LP64__ ) || defined(__WXCOCOA__) )
+ 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 );
+ CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
+ CGContextSaveGState( m_cgContext );
+ m_releaseContext = false;
+ }
}
-void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
+void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
{
- EnsureIsValid();
-
- CGContextTranslateCTM( m_cgContext, dx, dy );
+ if ( m_cgContext )
+ CGContextTranslateCTM( m_cgContext, dx, dy );
+ else
+ m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy);
}
void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
{
- EnsureIsValid();
-
- CGContextScaleCTM( m_cgContext , xScale , yScale );
+ if ( m_cgContext )
+ CGContextScaleCTM( m_cgContext , xScale , yScale );
+ else
+ m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale);
}
void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
{
- EnsureIsValid();
-
- CGContextRotateCTM( m_cgContext , angle );
+ if ( m_cgContext )
+ CGContextRotateCTM( m_cgContext , angle );
+ else
+ m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle);
}
-void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- EnsureIsValid();
-
- CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
- HIRect r = CGRectMake( x , y , w , h );
- HIViewDrawCGImage( m_cgContext , &r , image );
+ wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
+ DrawBitmap(bitmap, x, y, w, h);
+}
+
+void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ EnsureIsValid();
+#ifdef __WXMAC__
+ CGImageRef image = static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData())->GetBitmap();
+ CGRect r = CGRectMake( x , y , w , h );
+ // if ( bmp.GetDepth() == 1 )
+ {
+ // is is a mask, the '1' in the mask tell where to draw the current brush
+ 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);
+ wxMacDrawCGImage( m_cgContext , &r , image );
+ }
+ }
+ }
+ /*
+ else
+ {
+ wxMacDrawCGImage( m_cgContext , &r , image );
+ }
CGImageRelease( image );
+ */
+#endif
}
-void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- EnsureIsValid();
-
+ EnsureIsValid();
+
CGRect r = CGRectMake( 00 , 00 , w , h );
CGContextSaveGState( m_cgContext );
CGContextTranslateCTM( m_cgContext, x , y + h );
CGContextScaleCTM( m_cgContext, 1, -1 );
+#ifdef __WXMAC__
PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
+#endif
CGContextRestoreGState( m_cgContext );
}
void wxMacCoreGraphicsContext::PushState()
{
- EnsureIsValid();
-
+ EnsureIsValid();
+
CGContextSaveGState( m_cgContext );
}
-void wxMacCoreGraphicsContext::PopState()
+void wxMacCoreGraphicsContext::PopState()
{
- EnsureIsValid();
-
+ 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);
+ if ( m_font.IsNull() )
+ return;
+
+ EnsureIsValid();
+#if wxMAC_USE_CORE_TEXT
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
+ CTFontRef font = fref->GetCTFont();
+ CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
+ CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
+ wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) );
+ CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName, kCTUnderlineStyleAttributeName };
+ CFTypeRef values[] = { font, col, underlined };
+ wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
+ WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+ wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
+ wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+
+ y += CTFontGetAscent(font);
+
+ CGContextSaveGState(m_cgContext);
+ CGContextTranslateCTM(m_cgContext, x, y);
+ CGContextScaleCTM(m_cgContext, 1, -1);
+ CGContextSetTextPosition(m_cgContext, 0, 0);
+ CTLineDraw( line, m_cgContext );
+ CGContextRestoreGState(m_cgContext);
+ CFRelease( col );
+ return;
+ }
+#endif
+#if wxMAC_USE_ATSU_TEXT
+ {
+ DrawText(str, x, y, 0.0);
+ return;
+ }
+#endif
+#if wxMAC_USE_CG_TEXT
+ // TODO core graphics text implementation here
+#endif
}
-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();
- 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( wxConvLocal );
- 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( wxConvLocal );
- chars = wxWcslen( wchar.data() );
- ubuf = (UniChar*) wchar.data();
-#endif
+
+ EnsureIsValid();
+#if wxMAC_USE_CORE_TEXT
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ // default implementation takes care of rotation and calls non rotated DrawText afterwards
+ wxGraphicsContext::DrawText( str, x, y, angle );
+ return;
+ }
#endif
+#if wxMAC_USE_ATSU_TEXT
+ {
+ OSStatus status = noErr;
+ ATSUTextLayout atsuLayout;
+ wxMacUniCharBuffer unibuf( str );
+ UniCharCount chars = unibuf.GetChars();
- ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
- status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , &style , &atsuLayout );
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
- wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
+ 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") );
+ 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)] =
+ int iAngle = int( angle * RAD2DEG );
+ if ( abs(iAngle) > 0 )
{
- &atsuAngle ,
- };
- status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
- atsuTags, atsuSizes, atsuValues );
- }
+ 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;
+ 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 );
+ }
- status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
- &textBefore , &textAfter, &ascent , &descent );
+ ATSUTextMeasurement textBefore, textAfter;
+ ATSUTextMeasurement ascent, descent;
- wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+ status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ &textBefore , &textAfter, &ascent , &descent );
- 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)) );
+ wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
- m_graphicContext->FillPath( path , m_textBackgroundColour );
- delete path;
- }
-*/
- x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
- y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
+ 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") );
+ 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) );
+ 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") );
+ wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
- CGContextRestoreGState(m_cgContext);
+ CGContextRestoreGState(m_cgContext);
- ::ATSUDisposeTextLayout(atsuLayout);
+ ::ATSUDisposeTextLayout(atsuLayout);
-#if SIZEOF_WCHAR_T == 4
- free( ubuf );
+ return;
+ }
+#endif
+#if wxMAC_USE_CG_TEXT
+ // default implementation takes care of rotation and calls non rotated DrawText afterwards
+ wxGraphicsContext::DrawText( str, x, y, angle );
#endif
}
-
+
void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const
{
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;
-
-#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( wxConvLocal );
- 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( wxConvLocal );
- chars = wxWcslen( wchar.data() );
- ubuf = (UniChar*) wchar.data();
-#endif
+ if ( width )
+ *width = 0;
+ if ( height )
+ *height = 0;
+ if ( descent )
+ *descent = 0;
+ if ( externalLeading )
+ *externalLeading = 0;
+
+ if (str.empty())
+ return;
+
+#if wxMAC_USE_CORE_TEXT
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ CTFontRef font = fref->GetCTFont();
+
+ wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
+ CFStringRef keys[] = { kCTFontAttributeName };
+ CFTypeRef values[] = { font };
+ wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
+ WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+ wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
+ wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+
+ CGFloat w, a, d, l;
+
+ w = CTLineGetTypographicBounds(line, &a, &d, &l) ;
+
+ if ( height )
+ *height = a+d+l;
+ if ( descent )
+ *descent = d;
+ if ( externalLeading )
+ *externalLeading = l;
+ if ( width )
+ *width = w;
+ return;
+ }
#endif
+#if wxMAC_USE_ATSU_TEXT
+ {
+ OSStatus status = noErr;
- ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
- status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , &style , &atsuLayout );
+ ATSUTextLayout atsuLayout;
+ wxMacUniCharBuffer unibuf( str );
+ UniCharCount chars = unibuf.GetChars();
- wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
- ATSUTextMeasurement textBefore, textAfter;
- ATSUTextMeasurement textAscent, textDescent;
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
- status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
- &textBefore , &textAfter, &textAscent , &textDescent );
+ status = ::ATSUSetTransientFontMatching( atsuLayout , true );
+ wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
- if ( height )
- *height = FixedToInt(textAscent + textDescent);
- if ( descent )
- *descent = FixedToInt(textDescent);
- if ( externalLeading )
- *externalLeading = 0;
- if ( width )
- *width = FixedToInt(textAfter - textBefore);
+ ATSUTextMeasurement textBefore, textAfter;
+ ATSUTextMeasurement textAscent, textDescent;
+
+ status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ &textBefore , &textAfter, &textAscent , &textDescent );
- ::ATSUDisposeTextLayout(atsuLayout);
+ if ( height )
+ *height = FixedToInt(textAscent + textDescent);
+ if ( descent )
+ *descent = FixedToInt(textDescent);
+ if ( externalLeading )
+ *externalLeading = 0;
+ if ( width )
+ *width = FixedToInt(textAfter - textBefore);
+
+ ::ATSUDisposeTextLayout(atsuLayout);
+
+ return;
+ }
+#endif
+#if wxMAC_USE_CG_TEXT
+ // TODO core graphics text implementation here
+#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());
if (text.empty())
return;
- ATSUTextLayout atsuLayout;
- UniCharCount chars = text.length();
- UniChar* ubuf = NULL;
+#if wxMAC_USE_CORE_TEXT
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ CTFontRef font = fref->GetCTFont();
+
+ wxCFStringRef t(text, wxLocale::GetSystemEncoding() );
+ CFStringRef keys[] = { kCTFontAttributeName };
+ CFTypeRef values[] = { font };
+ wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
+ WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+ wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, t, attributes) );
+ wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+
+ int chars = text.length();
+ for ( int pos = 0; pos < (int)chars; pos ++ )
+ {
+ widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL )+0.5;
+ }
-#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( wxConvLocal );
- 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( wxConvLocal );
- chars = wxWcslen( wchar.data() );
- ubuf = (UniChar*) wchar.data();
-#endif
+ return;
+ }
#endif
+#if wxMAC_USE_ATSU_TEXT
+ {
+ OSStatus status = noErr;
+ ATSUTextLayout atsuLayout;
+ wxMacUniCharBuffer unibuf( text );
+ UniCharCount chars = unibuf.GetChars();
- ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
- ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , &style , &atsuLayout );
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
- for ( int pos = 0; pos < (int)chars; pos ++ )
- {
- unsigned long actualNumberOfBounds = 0;
- ATSTrapezoid glyphBounds;
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
- // 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;
+ status = ::ATSUSetTransientFontMatching( atsuLayout , true );
+ wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
- widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
- //unsigned char uch = s[i];
- }
+ 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];
+ }
- ::ATSUDisposeTextLayout(atsuLayout);
+ ::ATSUDisposeTextLayout(atsuLayout);
+ }
+#endif
+#if wxMAC_USE_CG_TEXT
+ // TODO core graphics text implementation here
+#endif
}
-void * wxMacCoreGraphicsContext::GetNativeContext()
+void * wxMacCoreGraphicsContext::GetNativeContext()
{
- return m_cgContext;
+ 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 )
+ {
+ 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;
}
//
virtual ~wxMacCoreGraphicsRenderer() {}
- // Context
+ // Context
- virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
-
- virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
+ virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+ virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
- virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+ virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
- virtual wxGraphicsContext * CreateContext( wxWindow* window );
+ virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+
+ virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+ virtual wxGraphicsContext * CreateMeasuringContext();
+
+ // Path
- // 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);
+ // 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,
+ 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)
+ // 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 ) ;
+ // create a native bitmap representation
+ virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ;
+
+ // create a native bitmap representation
+ virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ;
private :
DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
} ;
wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
{
- return &gs_MacCoreGraphicsRenderer;
+ return &gs_MacCoreGraphicsRenderer;
}
-wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
+#ifdef __WXCOCOA__
+extern CGContextRef wxMacGetContextFromCurrentNSContext() ;
+#endif
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
{
- return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+ const wxDCImpl* impl = dc.GetImpl();
+ wxWindowDCImpl *win_impl = wxDynamicCast( impl, wxWindowDCImpl );
+ if (win_impl)
+ {
+ int w, h;
+ win_impl->GetSize( &w, &h );
+ CGContextRef cgctx = 0;
+#ifdef __WXMAC__
+ cgctx = (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef());
+#else
+ cgctx = wxMacGetContextFromCurrentNSContext() ;
+#endif
+ return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h );
+ }
+ return NULL;
+}
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC& dc )
+{
+#ifdef __WXMAC__
+ const wxDCImpl* impl = dc.GetImpl();
+ wxMemoryDCImpl *mem_impl = wxDynamicCast( impl, wxMemoryDCImpl );
+ if (mem_impl)
+ {
+ int w, h;
+ mem_impl->GetSize( &w, &h );
+ return new wxMacCoreGraphicsContext( this,
+ (CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()), (wxDouble) w, (wxDouble) h );
+ }
+#endif
+ return NULL;
}
wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
{
- return new wxMacCoreGraphicsContext(this, window );
+ return new wxMacCoreGraphicsContext(this, window );
+}
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
+{
+ return new wxMacCoreGraphicsContext(this);
}
// Path
// Matrix
-wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
- wxDouble tx, wxDouble ty)
+wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+ wxDouble tx, wxDouble ty)
{
wxGraphicsMatrix m;
wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this );
return m;
}
-wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
+wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
{
if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
return wxNullGraphicsPen;
}
}
-wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
+wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
{
if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
return wxNullGraphicsBrush;
}
}
+wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
+{
+ if ( bmp.Ok() )
+ {
+ wxGraphicsBitmap p;
+#ifdef __WXMAC__
+ p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp.CreateCGImage() ) );
+#endif
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ CGImageRef img = static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData())->GetBitmap();
+ if ( img )
+ {
+ wxGraphicsBitmap p;
+ CGImageRef subimg = CGImageCreateWithImageInRect(img,CGRectMake( x , y , w , h ));
+ p.SetRefData(new wxMacCoreGraphicsBitmapData( this , subimg ) );
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
- const wxColour&c1, const wxColour&c2)
+wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ const wxColour&c1, const wxColour&c2)
{
wxGraphicsBrush p;
wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
return p;
}
-// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
+// 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)
+ const wxColour &oColor, const wxColour &cColor)
{
wxGraphicsBrush p;
wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
}
// sets the font
-wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
+wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
{
if ( font.Ok() )
- {
+ {
wxGraphicsFont p;
p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col ));
return p;
return wxNullGraphicsFont;
}
+//
+// CoreGraphics Helper Methods
+//
+
+// Data Providers and Consumers
+
+size_t UMAPutBytesCFRefCallback( void *info, const void *bytes, size_t count )
+{
+ CFMutableDataRef data = (CFMutableDataRef) info;
+ if ( data )
+ {
+ CFDataAppendBytes( data, (const UInt8*) bytes, count );
+ }
+ return count;
+}
+
+void wxMacReleaseCFDataProviderCallback(void *info,
+ const void *WXUNUSED(data),
+ size_t WXUNUSED(count))
+{
+ if ( info )
+ CFRelease( (CFDataRef) info );
+}
+
+void wxMacReleaseCFDataConsumerCallback( void *info )
+{
+ if ( info )
+ CFRelease( (CFDataRef) info );
+}
+
+CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data )
+{
+ if ( data == NULL )
+ return NULL;
+ return CGDataProviderCreateWithCFData( data );
+}
-#endif // wxMAC_USE_CORE_GRAPHICS
+CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data )
+{
+ if ( data == NULL )
+ return NULL;
+
+ return CGDataConsumerCreateWithCFData( data );
+}
+
+void
+wxMacReleaseMemoryBufferProviderCallback(void *info,
+ const void * WXUNUSED_UNLESS_DEBUG(data),
+ size_t WXUNUSED(size))
+{
+ wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
+
+ wxASSERT( data == membuf->GetData() ) ;
+
+ delete membuf ;
+}
+
+CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf )
+{
+ wxMemoryBuffer* b = new wxMemoryBuffer( buf );
+ if ( b->GetDataLen() == 0 )
+ return NULL;
+
+ return CGDataProviderCreateWithData( b , (const void *) b->GetData() , b->GetDataLen() ,
+ wxMacReleaseMemoryBufferProviderCallback );
+}