#include "wx/wxprec.h"
-#if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS
-
#include "wx/graphics.h"
#ifndef WX_PRECOMP
#include "wx/dcclient.h"
+ #include "wx/dcmemory.h"
#include "wx/log.h"
#include "wx/region.h"
+ #include "wx/image.h"
+ #include "wx/icon.h"
#endif
#include "wx/mac/uma.h"
#include "wx/mac/private.h"
-#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
-typedef float CGFloat;
-#endif
-
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
static const double RAD2DEG = 180.0 / M_PI;
//
-// Graphics Path
+// Pen, Brushes and Fonts
//
-class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath
+#pragma mark -
+#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
+
+OSStatus wxMacDrawCGImage(
+ CGContextRef inContext,
+ const HIRect * inBounds,
+ CGImageRef inImage)
+{
+#ifdef __LP64__
+ // todo flip
+ CGContextDrawImage(inContext, *inBounds, inImage );
+ return noErr;
+#else
+ return HIViewDrawCGImage( inContext, inBounds, inImage );
+#endif
+}
+
+// CGPattern wrapper class: always allocate on heap, never call destructor
+
+class wxMacCoreGraphicsPattern
{
public :
- wxMacCoreGraphicsPath();
- ~wxMacCoreGraphicsPath();
+ wxMacCoreGraphicsPattern() {}
- // begins a new subpath at (x,y)
- virtual void MoveToPoint( wxDouble x, wxDouble y );
+ // is guaranteed to be called only with a non-Null CGContextRef
+ virtual void Render( CGContextRef ctxRef ) = 0;
- // adds a straight line from the current point to (x,y)
- virtual void AddLineToPoint( wxDouble x, wxDouble y );
+ operator CGPatternRef() const { return m_patternRef; }
- // adds a cubic Bezier curve from the current point, using two control points and an end point
- virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
+protected :
+ virtual ~wxMacCoreGraphicsPattern()
+ {
+ // as this is called only when the m_patternRef is been released;
+ // don't release it again
+ }
- // closes the current sub-path
- virtual void CloseSubpath();
+ static void _Render( void *info, CGContextRef ctxRef )
+ {
+ wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
+ if ( self && ctxRef )
+ self->Render( ctxRef );
+ }
- // gets the last point of the current path, (0,0) if not yet set
- virtual void GetCurrentPoint( wxDouble& x, wxDouble&y);
+ static void _Dispose( void *info )
+ {
+ wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
+ delete self;
+ }
- // 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 );
+ CGPatternRef m_patternRef;
- //
- // These are convenience functions which - if not available natively will be assembled
- // using the primitives from above
- //
+ static const CGPatternCallbacks ms_Callbacks;
+};
- // 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 );
+const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
- // appends a rectangle as a new closed subpath
- virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+class ImagePattern : public wxMacCoreGraphicsPattern
+{
+public :
+ ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
+ {
+ wxASSERT( bmp && bmp->Ok() );
- // appends an ellipsis as a new closed subpath fitting the passed rectangle
- virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
+ Init( (CGImageRef) bmp->CreateCGImage() , transform );
+ }
- // 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 );
-
- // 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) {}
-
- DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsPath)
- DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsPath)
-private :
- CGMutablePathRef m_path;
-};
+ // ImagePattern takes ownership of CGImageRef passed in
+ ImagePattern( CGImageRef image , const CGAffineTransform& transform )
+ {
+ if ( image )
+ CFRetain( image );
-//-----------------------------------------------------------------------------
-// wxGraphicsPath implementation
-//-----------------------------------------------------------------------------
+ Init( image , transform );
+ }
-IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsPath, wxGraphicsPath)
+ virtual void Render( CGContextRef ctxRef )
+ {
+ if (m_image != NULL)
+ wxMacDrawCGImage( ctxRef, &m_imageBounds, m_image );
+ }
-wxMacCoreGraphicsPath::wxMacCoreGraphicsPath()
-{
- m_path = CGPathCreateMutable();
-}
+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 );
+ }
+ }
-wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath()
-{
- CGPathRelease( m_path );
-}
+ virtual ~ImagePattern()
+ {
+ if ( m_image )
+ CGImageRelease( m_image );
+ }
-// opens (starts) a new subpath
-void wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 )
-{
- CGPathMoveToPoint( m_path , NULL , x1 , y1 );
-}
+ CGImageRef m_image;
+ CGRect m_imageBounds;
+};
-void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 )
+class HatchPattern : public wxMacCoreGraphicsPattern
{
- CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
-}
+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 wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
-{
- CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
-}
+ void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
+ {
+ CGContextStrokeLineSegments( ctxRef , pts , count );
+ }
-void wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
-{
- CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
-}
+ 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;
-void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
-{
- CGRect cgRect = { { x , y } , { w , h } };
- CGPathAddRect( m_path , NULL , cgRect );
-}
+ 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;
-void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r )
-{
- CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
-}
+ case wxFDIAGONAL_HATCH :
+ {
+ CGPoint pts[] =
+ {
+ { 0.0 , 0.0 } , { 8.0 , 8.0 }
+ };
+ StrokeLineSegments( ctxRef , pts , 2 );
+ }
+ break;
-// 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 )
-{
- // 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);
-}
+ 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;
-void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
-{
- CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r);
-}
+ case wxHORIZONTAL_HATCH :
+ {
+ CGPoint pts[] =
+ {
+ { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
+ };
+ StrokeLineSegments( ctxRef , pts , 2 );
+ }
+ break;
-// closes the current subpath
-void wxMacCoreGraphicsPath::CloseSubpath()
-{
- CGPathCloseSubpath( m_path );
-}
+ case wxVERTICAL_HATCH :
+ {
+ CGPoint pts[] =
+ {
+ { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
+ };
+ StrokeLineSegments( ctxRef , pts , 2 );
+ }
+ break;
-// gets the last point of the current path, (0,0) if not yet set
-void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y)
-{
- CGPoint p = CGPathGetCurrentPoint( m_path );
- x = p.x;
- y = p.y;
-}
+ default:
+ break;
+ }
+ }
-//
-// Graphics Context
-//
+protected :
+ virtual ~HatchPattern() {}
-class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
+ CGRect m_imageBounds;
+ int m_hatch;
+};
+
+class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData
{
public:
- wxMacCoreGraphicsContext( CGContextRef cgcontext );
-
- wxMacCoreGraphicsContext( WindowRef window );
-
- wxMacCoreGraphicsContext( wxWindow* window );
-
- wxMacCoreGraphicsContext();
-
- ~wxMacCoreGraphicsContext();
+ wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
+ ~wxMacCoreGraphicsPenData();
- void Init();
+ void Init();
+ virtual void Apply( wxGraphicsContext* context );
+ virtual wxDouble GetWidth() { return m_width; }
- // creates a path instance that corresponds to the type of graphics context, ie GDIPlus, cairo, CoreGraphics ...
- virtual wxGraphicsPath * CreatePath();
+protected :
+ CGLineCap m_cap;
+ wxMacCFRefHolder<CGColorRef> m_color;
+ wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
- // push the current state of the context, ie the transformation matrix on a stack
- virtual void PushState();
+ CGLineJoin m_join;
+ CGFloat m_width;
- // pops a stored state from the stack
- virtual void PopState();
+ int m_count;
+ const CGFloat *m_lengths;
+ CGFloat *m_userLengths;
- // clips drawings to the region
- virtual void Clip( const wxRegion ®ion );
- // clips drawings to the rect
- virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-
- // resets the clipping to original extent
- virtual void ResetClip();
+ bool m_isPattern;
+ wxMacCFRefHolder<CGPatternRef> m_pattern;
+ CGFloat* m_patternColorComponents;
+};
- virtual void * GetNativeContext();
-
- //
- // transformation
- //
-
- // translate
- virtual void Translate( wxDouble dx , wxDouble dy );
+wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) :
+ wxGraphicsObjectRefData( renderer )
+{
+ Init();
- // scale
- virtual void Scale( wxDouble xScale , wxDouble yScale );
+ CGFloat components[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 ,
+ pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ;
+ m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
- // rotate (radians)
- virtual void Rotate( wxDouble angle );
+ // TODO: * m_dc->m_scaleX
+ m_width = pen.GetWidth();
+ if (m_width <= 0.0)
+ m_width = 0.1;
- //
- // setting the paint
- //
-
- // sets the pan
- virtual void SetPen( const wxPen &pen );
+ switch ( pen.GetCap() )
+ {
+ case wxCAP_ROUND :
+ m_cap = kCGLineCapRound;
+ break;
- // sets the brush for filling
- virtual void SetBrush( const wxBrush &brush );
+ case wxCAP_PROJECTING :
+ m_cap = kCGLineCapSquare;
+ break;
- // 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);
+ case wxCAP_BUTT :
+ m_cap = kCGLineCapButt;
+ break;
- // 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);
+ default :
+ m_cap = kCGLineCapButt;
+ break;
+ }
- // sets the font
- virtual void SetFont( const wxFont &font );
-
- // sets the text color
- virtual void SetTextColor( const wxColour &col );
+ switch ( pen.GetJoin() )
+ {
+ case wxJOIN_BEVEL :
+ m_join = kCGLineJoinBevel;
+ break;
- // strokes along a path with the current pen
- virtual void StrokePath( const wxGraphicsPath *path );
+ case wxJOIN_MITER :
+ m_join = kCGLineJoinMiter;
+ break;
- // fills a path with the current brush
- virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
+ case wxJOIN_ROUND :
+ m_join = kCGLineJoinRound;
+ break;
- // draws a path by first filling and then stroking
- virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
+ default :
+ m_join = kCGLineJoinMiter;
+ break;
+ }
- //
- // text
- //
-
- virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
+ const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width;
- virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
+ 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 };
- virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
- wxDouble *descent, wxDouble *externalLeading ) const;
+ 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;
- virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+ 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;
- //
- // image support
- //
+ 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;
- virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+ 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;
+ }
+}
- virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData()
+{
+ delete[] m_userLengths;
+ delete[] m_patternColorComponents;
+}
- void SetNativeContext( CGContextRef cg );
- CGPathDrawingMode GetDrawingMode() const { return m_mode; }
+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 );
- virtual bool ShouldOffset() const
+ if ( m_isPattern )
{
- int penwidth = m_pen.GetWidth();
- if ( penwidth == 0 )
- penwidth = 1;
- if ( m_pen.GetStyle() == wxTRANSPARENT )
- penwidth = 0;
- return ( penwidth % 2 ) == 1;
+ CGAffineTransform matrix = CGContextGetCTM( cg );
+ CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) );
+ CGContextSetStrokeColorSpace( cg , m_colorSpace );
+ CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
}
-
-
- DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
- DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
-
-private:
- void EnsureIsValid();
-
- CGContextRef m_cgContext;
- WindowRef m_windowRef;
- int m_originX;
- int m_originY;
- wxMacCFRefHolder<HIShapeRef> m_clipRgn;
- bool m_releaseContext;
- CGPathDrawingMode m_mode;
- ATSUStyle m_macATSUIStyle;
- wxPen m_pen;
- wxBrush m_brush;
- wxFont m_font;
- wxColor m_textForegroundColor;
-};
+ else
+ {
+ if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR )
+ {
+ CGContextSetRGBStrokeColor( cg , 1.0, 1.0 , 1.0, 1.0 );
+ }
+ else
+ CGContextSetStrokeColorWithColor( cg , m_color );
+ }
+}
-//-----------------------------------------------------------------------------
-// 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
-//-----------------------------------------------------------------------------
+// Brush
+//
-// 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)
+static const char *gs_stripedback_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"4 4 2 1",
+". c #F0F0F0",
+"X c #ECECEC",
+/* pixels */
+"....",
+"....",
+"XXXX",
+"XXXX"
+};
-//-----------------------------------------------------------------------------
-// wxGraphicsContext implementation
-//-----------------------------------------------------------------------------
+wxBitmap gs_stripedback_bmp( wxImage( (const char* const* ) gs_stripedback_xpm ), -1 ) ;
-IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
+// make sure we all use one class for all conversions from wx to native colour
-void wxMacCoreGraphicsContext::Init()
+class wxMacCoreGraphicsColour
{
- m_cgContext = NULL;
- m_mode = kCGPathFill;
- m_macATSUIStyle = NULL;
- m_releaseContext = false;
- m_clipRgn.Set(HIShapeCreateEmpty());
-}
+ public:
+ wxMacCoreGraphicsColour();
+ wxMacCoreGraphicsColour(const wxBrush &brush);
+ ~wxMacCoreGraphicsColour();
+
+ void Apply( CGContextRef cgContext );
+ protected:
+ void Init();
+ wxMacCFRefHolder<CGColorRef> m_color;
+ wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
+
+ bool m_isPattern;
+ wxMacCFRefHolder<CGPatternRef> m_pattern;
+ CGFloat* m_patternColorComponents;
+} ;
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( CGContextRef cgcontext )
+wxMacCoreGraphicsColour::~wxMacCoreGraphicsColour()
{
- Init();
- m_cgContext = cgcontext;
- CGContextSaveGState( m_cgContext );
- CGContextSaveGState( m_cgContext );
+ delete[] m_patternColorComponents;
}
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( WindowRef window )
+void wxMacCoreGraphicsColour::Init()
{
- Init();
- m_windowRef = window;
+ m_isPattern = false;
+ m_patternColorComponents = NULL;
}
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxWindow* window )
+void wxMacCoreGraphicsColour::Apply( CGContextRef cgContext )
{
- Init();
- m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
- m_originX = m_originY = 0;
- window->MacWindowToRootWindow( &m_originX , &m_originY );
+ 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 );
+ }
}
-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext()
+wxMacCoreGraphicsColour::wxMacCoreGraphicsColour()
{
- Init();
+ Init();
}
-wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
+wxMacCoreGraphicsColour::wxMacCoreGraphicsColour( const wxBrush &brush )
{
- if ( m_cgContext )
+ Init();
+ if ( brush.GetStyle() == wxSOLID )
{
- // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
- CGContextRestoreGState( m_cgContext );
- CGContextRestoreGState( m_cgContext );
+ m_color.Set( brush.GetColour().CreateCGColor() );
+ }
+ else if ( brush.IsHatch() )
+ {
+ m_isPattern = true;
+ m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+ m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
+
+ m_patternColorComponents = new CGFloat[4] ;
+ m_patternColorComponents[0] = brush.GetColour().Red() / 255.0;
+ m_patternColorComponents[1] = brush.GetColour().Green() / 255.0;
+ m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0;
+ m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0;
+ }
+ else
+ {
+ // now brush is a bitmap
+ wxBitmap* bmp = brush.GetStipple();
+ if ( bmp && bmp->Ok() )
+ {
+ m_isPattern = true;
+ m_patternColorComponents = new CGFloat[1] ;
+ m_patternColorComponents[0] = 1.0;
+ m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
+ m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
+ }
}
+}
+
+class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData
+{
+public:
+ wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer );
+ wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
+ ~wxMacCoreGraphicsBrushData ();
+
+ virtual void Apply( wxGraphicsContext* context );
+ void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ const wxColour&c1, const wxColour&c2 );
+ void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+ const wxColour &oColor, const wxColour &cColor );
+
+ virtual bool IsShading() { return m_isShading; }
+ CGShadingRef GetShading() { return m_shading; }
+protected:
+ CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 );
+ static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out);
+ virtual void Init();
+
+ wxMacCoreGraphicsColour m_cgColor;
+
+ bool m_isShading;
+ CGFunctionRef m_gradientFunction;
+ CGShadingRef m_shading;
+ CGFloat *m_gradientComponents;
+};
- if ( m_releaseContext )
- QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
+wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer )
+{
+ Init();
}
-void wxMacCoreGraphicsContext::EnsureIsValid()
+void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ const wxColour&c1, const wxColour&c2 )
{
- 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 );
- }
- }
+ 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 ;
+}
-void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
+wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ),
+ m_cgColor( brush )
{
- 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() ));
- }
+ Init();
+
}
-// clips drawings to the rect
-void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()
{
- HIRect r = CGRectMake( x , y , w , h );
- if ( m_cgContext )
- {
- CGContextClipToRect( m_cgContext, r );
- }
- else
- {
- m_clipRgn.Set(HIShapeCreateWithRect(&r));
- }
+ if ( m_shading )
+ CGShadingRelease(m_shading);
+
+ if( m_gradientFunction )
+ CGFunctionRelease(m_gradientFunction);
+
+ delete[] m_gradientComponents;
}
-
- // resets the clipping to original extent
-void wxMacCoreGraphicsContext::ResetClip()
+
+void wxMacCoreGraphicsBrushData::Init()
{
- if ( m_cgContext )
- {
- CGContextRestoreGState( m_cgContext );
- CGContextSaveGState( m_cgContext );
- }
- else
- {
- m_clipRgn.Set(HIShapeCreateEmpty());
- }
+ m_gradientFunction = NULL;
+ m_shading = NULL;
+ m_gradientComponents = NULL;
+ m_isShading = false;
}
-void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *path )
+void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context )
{
- EnsureIsValid();
-
- bool offset = ShouldOffset();
+ CGContextRef cg = (CGContextRef) context->GetNativeContext();
- if ( offset )
- CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+ if ( m_isShading )
+ {
+ // nothing to set as shades are processed by clipping using the path and filling
+ }
+ else
+ {
+ m_cgColor.Apply( cg );
+ }
+}
- CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
- CGContextStrokePath( m_cgContext );
+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;
+ }
+}
- if ( offset )
- CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
+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);
}
-void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *path , int fillStyle )
+//
+// Font
+//
+
+class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData
+{
+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 )
{
- EnsureIsValid();
-
- CGPathDrawingMode mode = m_mode;
+ m_colour = col;
+ m_underlined = font.GetUnderlined();
+
+#if wxMAC_USE_CORE_TEXT
+ m_ctFont.reset( wxCFRetain((CTFontRef) font.MacGetCTFont()) );
+#endif
+#if wxMAC_USE_ATSU_TEXT
+ OSStatus status = noErr;
+ m_macATSUIStyle = NULL;
+
+ status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
- if ( fillStyle == wxODDEVEN_RULE )
+ wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
+
+ // we need the scale here ...
+
+ Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
+ RGBColor atsuColor ;
+ col.GetRGBColor( &atsuColor );
+ 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") );
+#endif
+#if WXMAC_USE_CG_TEXT
+#endif
+}
+
+wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
+{
+#if wxMAC_USE_CORE_TEXT
+#endif
+#if wxMAC_USE_ATSU_TEXT
+ if ( m_macATSUIStyle )
{
- if ( mode == kCGPathFill )
- mode = kCGPathEOFill;
- else if ( mode == kCGPathFillStroke )
- mode = kCGPathEOFillStroke;
+ ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
+ m_macATSUIStyle = NULL;
}
+#endif
+#if WXMAC_USE_CG_TEXT
+#endif
+}
+
+//
+// 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;
- bool offset = ShouldOffset();
+ // makes this the inverse matrix
+ virtual void Invert();
- if ( offset )
- CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+ // returns true if the elements of the transformation matrix are equal ?
+ virtual bool IsEqual( const wxGraphicsMatrixData* t) const ;
- CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
- CGContextDrawPath( m_cgContext , mode );
+ // return true if this is the identity matrix
+ virtual bool IsIdentity() const;
- if ( offset )
- CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
-}
+ //
+ // 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
+ //
-void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *path , int fillStyle )
+ // 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)
{
- EnsureIsValid();
-
- CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
- if ( fillStyle == wxODDEVEN_RULE )
- CGContextEOFillPath( m_cgContext );
- else
- CGContextFillPath( m_cgContext );
}
-wxGraphicsPath* wxMacCoreGraphicsContext::CreatePath()
+wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData()
{
- return new wxMacCoreGraphicsPath();
}
-void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
+wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const
{
- // we allow either setting or clearing but not replacing
- wxASSERT( m_cgContext == NULL || cg == NULL );
+ wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ;
+ m->m_matrix = m_matrix ;
+ return m;
+}
- if ( cg )
- CGContextSaveGState( cg );
- m_cgContext = cg;
+// concatenates the matrix
+void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t )
+{
+ m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) );
}
-void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
+// sets the matrix to the respective values
+void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+ wxDouble tx, wxDouble ty)
{
- EnsureIsValid();
-
- CGContextTranslateCTM( m_cgContext, dx, dy );
+ m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
}
-void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
+// gets the component valuess of the matrix
+void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c,
+ wxDouble* d, wxDouble* tx, wxDouble* ty) const
{
- EnsureIsValid();
-
- CGContextScaleCTM( m_cgContext , xScale , yScale );
+ 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;
}
-void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
+// makes this the inverse matrix
+void wxMacCoreGraphicsMatrixData::Invert()
{
- EnsureIsValid();
-
- CGContextRotateCTM( m_cgContext , angle );
+ m_matrix = CGAffineTransformInvert( m_matrix );
}
-void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+// returns true if the elements of the transformation matrix are equal ?
+bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
{
- EnsureIsValid();
-
- CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
- HIRect r = CGRectMake( x , y , w , h );
- HIViewDrawCGImage( m_cgContext , &r , image );
- CGImageRelease( image );
+ return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
}
-void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+// return true if this is the identity matrix
+bool wxMacCoreGraphicsMatrixData::IsIdentity() const
{
- 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 );
+ 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);
}
-void wxMacCoreGraphicsContext::PushState()
+//
+// transformation
+//
+
+// add the translation to this matrix
+void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy )
{
- EnsureIsValid();
-
- CGContextSaveGState( m_cgContext );
+ m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy);
}
-void wxMacCoreGraphicsContext::PopState()
+// add the scale to this matrix
+void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale )
{
- EnsureIsValid();
-
- CGContextRestoreGState( m_cgContext );
+ m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale);
}
-void wxMacCoreGraphicsContext::SetTextColor( const wxColour &col )
+// add the rotation to this matrix (radians)
+void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle )
{
- m_textForegroundColor = col;
- // to recreate the native font after color change
- SetFont( m_font );
+ m_matrix = CGAffineTransformRotate( m_matrix, angle);
}
-#pragma mark -
-#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
+//
+// apply the transforms
+//
-// CGPattern wrapper class: always allocate on heap, never call destructor
+// applies that matrix to the point
+void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
+{
+ CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix);
-class wxMacCoreGraphicsPattern
+ *x = pt.x;
+ *y = pt.y;
+}
+
+// applies the matrix except for translations
+void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
+{
+ CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix );
+ *dx = sz.width;
+ *dy = sz.height;
+}
+
+// returns the native representation
+void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const
+{
+ return (void*) &m_matrix;
+}
+
+//
+// Graphics Path
+//
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsPath declaration
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData
{
public :
- wxMacCoreGraphicsPattern() {}
+ wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL);
- // is guaranteed to be called only with a non-Null CGContextRef
- virtual void Render( CGContextRef ctxRef ) = 0;
+ ~wxMacCoreGraphicsPathData();
- operator CGPatternRef() const { return m_patternRef; }
+ virtual wxGraphicsObjectRefData *Clone() const;
-protected :
- virtual ~wxMacCoreGraphicsPattern()
- {
- // as this is called only when the m_patternRef is been released;
- // don't release it again
+ // begins a new subpath at (x,y)
+ virtual void MoveToPoint( wxDouble x, wxDouble y );
+
+ // adds a straight line from the current point to (x,y)
+ virtual void AddLineToPoint( wxDouble x, wxDouble y );
+
+ // adds a cubic Bezier curve from the current point, using two control points and an end point
+ virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
+
+ // closes the current sub-path
+ virtual void CloseSubpath();
+
+ // gets the last point of the current path, (0,0) if not yet set
+ virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
+
+ // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
+ virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
+
+ //
+ // These are convenience functions which - if not available natively will be assembled
+ // using the primitives from above
+ //
+
+ // adds a quadratic Bezier curve from the current point, using a control point and an end point
+ virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
+
+ // appends a rectangle as a new closed subpath
+ virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+ // appends an ellipsis as a new closed subpath fitting the passed rectangle
+ virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
+
+ // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
+ virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
+
+ // adds another path
+ virtual void AddPath( const wxGraphicsPathData* path );
+
+ // returns the native path
+ virtual void * GetNativePath() const { return m_path; }
+
+ // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
+ virtual void UnGetNativePath(void *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;
+};
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsPath implementation
+//-----------------------------------------------------------------------------
+
+wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer)
+{
+ if ( path )
+ m_path = path;
+ else
+ m_path = CGPathCreateMutable();
+}
+
+wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData()
+{
+ CGPathRelease( m_path );
+}
+
+wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const
+{
+ wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path));
+ return clone ;
+}
+
+
+// opens (starts) a new subpath
+void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 )
+{
+ CGPathMoveToPoint( m_path , NULL , x1 , y1 );
+}
+
+void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 )
+{
+ CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
+}
+
+void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
+{
+ CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
+}
+
+void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
+{
+ CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
+}
+
+void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ CGRect cgRect = { { x , y } , { w , h } };
+ CGPathAddRect( m_path , NULL , cgRect );
+}
+
+void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r )
+{
+ CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
+}
+
+// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
+void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
+{
+ // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
+ CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise);
+}
+
+void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
+{
+ CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r);
+}
+
+void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path )
+{
+ CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
+}
+
+// closes the current subpath
+void wxMacCoreGraphicsPathData::CloseSubpath()
+{
+ CGPathCloseSubpath( m_path );
+}
+
+// gets the last point of the current path, (0,0) if not yet set
+void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
+{
+ CGPoint p = CGPathGetCurrentPoint( m_path );
+ *x = p.x;
+ *y = p.y;
+}
+
+// transforms each point of this path by the matrix
+void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix )
+{
+ CGMutablePathRef p = CGPathCreateMutable() ;
+ CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path );
+ CGPathRelease( m_path );
+ m_path = p;
+}
+
+// gets the bounding box enclosing all points (possibly including control points)
+void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
+{
+ CGRect bounds = CGPathGetBoundingBox( m_path ) ;
+ *x = bounds.origin.x;
+ *y = bounds.origin.y;
+ *w = bounds.size.width;
+ *h = bounds.size.height;
+}
+
+bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const
+{
+ return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
+}
+
+//
+// Graphics Context
+//
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsContext declaration
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
+{
+public:
+ 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();
+
+ // 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();
+
+ // pops a stored state from the stack
+ virtual void PopState();
+
+ // clips drawings to the region
+ virtual void Clip( const wxRegion ®ion );
+
+ // clips drawings to the rect
+ virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+ // resets the clipping to original extent
+ virtual void ResetClip();
+
+ virtual void * GetNativeContext();
+
+ bool SetLogicalFunction( int function );
+ //
+ // transformation
+ //
+
+ // translate
+ virtual void Translate( wxDouble dx , wxDouble dy );
+
+ // scale
+ virtual void Scale( wxDouble xScale , wxDouble yScale );
+
+ // rotate (radians)
+ virtual void Rotate( wxDouble angle );
+
+ // concatenates this transform with the current transform of this context
+ virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
+
+ // sets the transform of this context
+ virtual void SetTransform( const wxGraphicsMatrix& matrix );
+
+ // gets the matrix of this context
+ virtual wxGraphicsMatrix GetTransform() const;
+ //
+ // setting the paint
+ //
+
+ // strokes along a path with the current pen
+ virtual void StrokePath( const wxGraphicsPath &path );
+
+ // fills a path with the current brush
+ virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
+
+ // draws a path by first filling and then stroking
+ virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
+
+ virtual bool ShouldOffset() const
+ {
+ int penwidth = 0 ;
+ if ( !m_pen.IsNull() )
+ {
+ penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
+ if ( penwidth == 0 )
+ penwidth = 1;
+ }
+ return ( penwidth % 2 ) == 1;
}
+ //
+ // text
+ //
- static void _Render( void *info, CGContextRef ctxRef )
+ virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
+
+ virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
+
+ virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
+ wxDouble *descent, wxDouble *externalLeading ) const;
+
+ virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+
+ //
+ // image support
+ //
+
+ virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+ virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+ void SetNativeContext( CGContextRef cg );
+
+ DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
+ DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
+
+private:
+ void EnsureIsValid();
+
+ CGContextRef m_cgContext;
+ WindowRef m_windowRef;
+ bool m_releaseContext;
+ CGAffineTransform m_windowTransform;
+ wxDouble m_width;
+ wxDouble m_height;
+
+ wxMacCFRefHolder<HIShapeRef> m_clipRgn;
+};
+
+//-----------------------------------------------------------------------------
+// device context implementation
+//
+// more and more of the dc functionality should be implemented by calling
+// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
+// also coordinate conversions should be moved to native matrix ops
+//-----------------------------------------------------------------------------
+
+// we always stock two context states, one at entry, to be able to preserve the
+// state we were called with, the other one after changing to HI Graphics orientation
+// (this one is used for getting back clippings etc)
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsContext implementation
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
+
+class wxQuartzOffsetHelper
+{
+public :
+ wxQuartzOffsetHelper( CGContextRef cg , bool offset )
{
- wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
- if ( self && ctxRef )
- self->Render( ctxRef );
+ m_cg = cg;
+ m_offset = offset;
+ if ( m_offset )
+ CGContextTranslateCTM( m_cg, 0.5, 0.5 );
}
-
- static void _Dispose( void *info )
+ ~wxQuartzOffsetHelper( )
{
- wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
- delete self;
+ if ( m_offset )
+ CGContextTranslateCTM( m_cg, -0.5, -0.5 );
}
+public :
+ CGContextRef m_cg;
+ bool m_offset;
+} ;
- CGPatternRef m_patternRef;
+void wxMacCoreGraphicsContext::Init()
+{
+ m_cgContext = NULL;
+ m_releaseContext = false;
+ m_windowRef = NULL;
+ m_width = 0;
+ m_height = 0;
- static const CGPatternCallbacks ms_Callbacks;
-};
+ HIRect r = CGRectMake(0,0,0,0);
+ m_clipRgn.Set(HIShapeCreateWithRect(&r));
+}
-const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)
+{
+ Init();
+ SetNativeContext(cgcontext);
+ m_width = width;
+ m_height = height;
+}
-class ImagePattern : public wxMacCoreGraphicsPattern
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
{
-public :
- ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
+ Init();
+ m_windowRef = window;
+}
+
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
+{
+ Init();
+ m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
+ int originX , originY;
+ originX = originY = 0;
+ window->MacWindowToRootWindow( &originX , &originY );
+
+ Rect bounds = { 0,0,0,0 };
+#ifdef __LP64__
+#else
+ 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();
+}
+
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
+{
+ Init();
+ wxLogDebug(wxT("Illegal Constructor called"));
+}
+
+wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
+{
+ SetNativeContext(NULL);
+}
+
+void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
+{
+ *width = m_width;
+ *height = m_height;
+}
+
+
+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 )
{
- wxASSERT( bmp && bmp->Ok() );
+ OSStatus status =
+#ifndef __LP64__
+ QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
+#else
+ paramErr;
+#endif
+ wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
+
+ CGContextConcatCTM( m_cgContext, m_windowTransform );
+ CGContextSaveGState( m_cgContext );
+ m_releaseContext = true;
+ if ( !HIShapeIsEmpty(m_clipRgn) )
+ {
+ // the clip region is in device coordinates, so we convert this again to user coordinates
+ wxMacCFRefHolder<HIMutableShapeRef> 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 );
+ }
+}
+
+// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
+
+bool wxMacCoreGraphicsContext::SetLogicalFunction( int function )
+{
+ if (m_logicalFunction == function)
+ return true;
- Init( (CGImageRef) bmp->CGImageCreate() , transform );
+ EnsureIsValid();
+
+ bool retval = false;
+
+ if ( function == wxCOPY )
+ {
+ retval = true;
+ CGContextSetBlendMode( m_cgContext, kCGBlendModeNormal );
+ }
+ else if ( function == wxINVERT || function == wxXOR )
+ {
+ // change color to white
+ CGContextSetBlendMode( m_cgContext, kCGBlendModeExclusion );
+ CGContextSetShouldAntialias( m_cgContext, false );
+ retval = true;
}
+
+ if (retval)
+ m_logicalFunction = function;
+ return retval ;
+}
- // ImagePattern takes ownership of CGImageRef passed in
- ImagePattern( CGImageRef image , const CGAffineTransform& transform )
+void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
+{
+ if( m_cgContext )
{
- if ( image )
- CFRetain( image );
+ 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.Set(mutableShape);
+ }
+}
- Init( image , transform );
+// 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 );
}
-
- virtual void Render( CGContextRef ctxRef )
+ else
{
- if (m_image != NULL)
- HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
+ // 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 :
- void Init( CGImageRef image, const CGAffineTransform& transform )
+ // resets the clipping to original extent
+void wxMacCoreGraphicsContext::ResetClip()
+{
+ if ( m_cgContext )
{
- 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 );
- }
+ // 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);
}
-
- virtual ~ImagePattern()
+ else
{
- if ( m_image )
- CGImageRelease( m_image );
+ HIRect r = CGRectMake(0,0,0,0);
+ m_clipRgn.Set(HIShapeCreateWithRect(&r));
}
+}
- CGImageRef m_image;
- CGRect m_imageBounds;
-};
+void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
+{
+ if ( m_pen.IsNull() )
+ return ;
-class HatchPattern : public wxMacCoreGraphicsPattern
+ EnsureIsValid();
+
+ wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
+
+ ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
+ CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
+ CGContextStrokePath( m_cgContext );
+}
+
+void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle )
{
-public :
- HatchPattern( int hatchstyle, const CGAffineTransform& transform )
+ if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
{
- 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 );
+ // 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;
}
- void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
+ CGPathDrawingMode mode = kCGPathFill ;
+ if ( m_brush.IsNull() )
+ {
+ if ( m_pen.IsNull() )
+ return;
+ else
+ mode = kCGPathStroke;
+ }
+ else
{
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
- if ( UMAGetSystemVersion() >= 0x1040 )
+ if ( m_pen.IsNull() )
{
- CGContextStrokeLineSegments( ctxRef , pts , count );
+ if ( fillStyle == wxODDEVEN_RULE )
+ mode = kCGPathEOFill;
+ else
+ mode = kCGPathFill;
}
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);
+ if ( fillStyle == wxODDEVEN_RULE )
+ mode = kCGPathEOFillStroke;
+ else
+ mode = kCGPathFillStroke;
}
}
- 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;
+ EnsureIsValid();
- 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;
+ if ( !m_brush.IsNull() )
+ ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
+ if ( !m_pen.IsNull() )
+ ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
- case wxFDIAGONAL_HATCH :
- {
- CGPoint pts[] =
- {
- { 0.0 , 0.0 } , { 8.0 , 8.0 }
- };
- StrokeLineSegments( ctxRef , pts , 2 );
- }
- break;
+ wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
- 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;
+ CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
+ CGContextDrawPath( m_cgContext , mode );
+}
- case wxHORIZONTAL_HATCH :
- {
- CGPoint pts[] =
- {
- { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
- };
- StrokeLineSegments( ctxRef , pts , 2 );
- }
- break;
+void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )
+{
+ if ( m_brush.IsNull() )
+ return;
- case wxVERTICAL_HATCH :
- {
- CGPoint pts[] =
- {
- { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
- };
- StrokeLineSegments( ctxRef , pts , 2 );
- }
- break;
+ EnsureIsValid();
- default:
- break;
- }
+ 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 );
+ }
+}
-protected :
- virtual ~HatchPattern() {}
-
- CGRect m_imageBounds;
- int m_hatch;
-};
+void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
+{
+ // we allow either setting or clearing but not replacing
+ wxASSERT( m_cgContext == NULL || cg == NULL );
-#pragma mark -
+ if ( m_cgContext )
+ {
+ // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
+ CGContextRestoreGState( m_cgContext );
+ CGContextRestoreGState( m_cgContext );
+ if ( m_releaseContext )
+ {
+#ifndef __LP64__
+ QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
+#endif
+ }
+ else
+ CGContextRelease(m_cgContext);
+ }
-void wxMacCoreGraphicsContext::SetPen( const wxPen &pen )
-{
- m_pen = pen;
- if ( m_cgContext == NULL )
- return;
- bool fill = m_brush.GetStyle() != wxTRANSPARENT;
- bool stroke = pen.GetStyle() != wxTRANSPARENT;
+ m_cgContext = cg;
-#if 0
- // we can benchmark performance; should go into a setting eventually
- CGContextSetShouldAntialias( m_cgContext , false );
-#endif
+ // 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 )
+ // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
+ // can be removed.
+ if (m_cgContext)
{
- // set up brushes
- m_mode = kCGPathFill; // just a default
-
- if ( stroke )
- {
- CGContextSetRGBStrokeColor( m_cgContext , pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 ,
- pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 );
+ CGContextRetain(m_cgContext);
+ CGContextSaveGState( m_cgContext );
+ CGContextSaveGState( m_cgContext );
+ m_releaseContext = false;
+ }
+}
- // TODO: * m_dc->m_scaleX
- CGFloat penWidth = pen.GetWidth();
- if (penWidth <= 0.0)
- penWidth = 0.1;
- CGContextSetLineWidth( m_cgContext , penWidth );
+void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
+{
+ if ( m_cgContext )
+ CGContextTranslateCTM( m_cgContext, dx, dy );
+ else
+ m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy);
+}
- CGLineCap cap;
- switch ( pen.GetCap() )
- {
- case wxCAP_ROUND :
- cap = kCGLineCapRound;
- break;
+void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
+{
+ if ( m_cgContext )
+ CGContextScaleCTM( m_cgContext , xScale , yScale );
+ else
+ m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale);
+}
- case wxCAP_PROJECTING :
- cap = kCGLineCapSquare;
- break;
+void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
+{
+ if ( m_cgContext )
+ CGContextRotateCTM( m_cgContext , angle );
+ else
+ m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle);
+}
- case wxCAP_BUTT :
- cap = kCGLineCapButt;
- break;
+void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ EnsureIsValid();
- default :
- cap = kCGLineCapButt;
- break;
+ CGImageRef image = (CGImageRef)( bmp.CreateCGImage() );
+ HIRect 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);
+ */
}
-
- CGLineJoin join;
- switch ( pen.GetJoin() )
+ else
{
- case wxJOIN_BEVEL :
- join = kCGLineJoinBevel;
- break;
+ ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
+ wxMacDrawCGImage( m_cgContext , &r , image );
+ }
+ }
+ }
+ else
+ {
+ wxMacDrawCGImage( m_cgContext , &r , image );
+ }
+ CGImageRelease( image );
+}
- case wxJOIN_MITER :
- join = kCGLineJoinMiter;
- break;
+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 );
+}
- case wxJOIN_ROUND :
- join = kCGLineJoinRound;
- break;
+void wxMacCoreGraphicsContext::PushState()
+{
+ EnsureIsValid();
- default :
- join = kCGLineJoinMiter;
- break;
- }
+ CGContextSaveGState( m_cgContext );
+}
- m_mode = kCGPathStroke;
- int count = 0;
+void wxMacCoreGraphicsContext::PopState()
+{
+ EnsureIsValid();
- const CGFloat *lengths = NULL;
- CGFloat *userLengths = NULL;
+ CGContextRestoreGState( m_cgContext );
+}
- const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth;
+void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
+{
+ if ( m_font.IsNull() )
+ return;
+
+ EnsureIsValid();
+#if wxMAC_USE_CORE_TEXT
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ wxMacCFStringHolder text(str, wxLocale::GetSystemEncoding() );
+ CTFontRef font = fref->GetCTFont();
+ CGColorRef col = fref->GetColour().GetPixel();
+ 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);
+ 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
+}
- 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 };
+void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
+{
+ if ( m_font.IsNull() )
+ return;
- switch ( pen.GetStyle() )
+ 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;
+ 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
+#endif
+
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
+
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
+
+ status = ::ATSUSetTransientFontMatching( atsuLayout , true );
+ wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+
+ int iAngle = int( angle * RAD2DEG );
+ if ( abs(iAngle) > 0 )
+ {
+ Fixed atsuAngle = IntToFixed( iAngle );
+ ATSUAttributeTag atsuTags[] =
+ {
+ kATSULineRotationTag ,
+ };
+ ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+ {
+ sizeof( Fixed ) ,
+ };
+ ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+ {
+ &atsuAngle ,
+ };
+ status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+ atsuTags, atsuSizes, atsuValues );
+ }
+
+ {
+ ATSUAttributeTag atsuTags[] =
{
- 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<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) );
- CGContextSetStrokeColorSpace( m_cgContext , patternSpace );
- wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
- CGContextSetStrokePattern( m_cgContext, pattern , alphaArray );
- }
- }
- break;
-
- default :
- {
- wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
- CGContextSetStrokeColorSpace( m_cgContext , patternSpace );
- wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( 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 };
-
- CGContextSetStrokePattern( m_cgContext, pattern , colorArray );
- }
- break;
- }
-
- if ((lengths != NULL) && (count > 0))
+ kATSUCGContextTag ,
+ };
+ ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
- CGContextSetLineDash( m_cgContext , 0 , lengths , count );
- // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
- cap = kCGLineCapButt;
- }
- else
+ sizeof( CGContextRef ) ,
+ };
+ ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
{
- CGContextSetLineDash( m_cgContext , 0 , NULL , 0 );
- }
-
- CGContextSetLineCap( m_cgContext , cap );
- CGContextSetLineJoin( m_cgContext , join );
-
- delete[] userLengths;
+ &m_cgContext ,
+ };
+ status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+ atsuTags, atsuSizes, atsuValues );
}
-
- if ( fill && stroke )
- m_mode = kCGPathFillStroke;
+
+ ATSUTextMeasurement textBefore, textAfter;
+ ATSUTextMeasurement ascent, descent;
+
+ status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ &textBefore , &textAfter, &ascent , &descent );
+
+ wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+
+ Rect rect;
+ x += (int)(sin(angle) * FixedToInt(ascent));
+ y += (int)(cos(angle) * FixedToInt(ascent));
+
+ status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ IntToFixed(x) , IntToFixed(y) , &rect );
+ wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+
+ CGContextSaveGState(m_cgContext);
+ CGContextTranslateCTM(m_cgContext, x, y);
+ CGContextScaleCTM(m_cgContext, 1, -1);
+ status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ IntToFixed(0) , IntToFixed(0) );
+
+ wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
+
+ CGContextRestoreGState(m_cgContext);
+
+ ::ATSUDisposeTextLayout(atsuLayout);
+
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf );
+#endif
+ 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::SetBrush( const wxBrush &brush )
+void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
+ wxDouble *descent, wxDouble *externalLeading ) const
{
- m_brush = brush;
- if ( m_cgContext == NULL )
- return;
+ wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
- bool fill = brush.GetStyle() != wxTRANSPARENT;
- bool stroke = m_pen.GetStyle() != wxTRANSPARENT;
+ if ( width )
+ *width = 0;
+ if ( height )
+ *height = 0;
+ if ( descent )
+ *descent = 0;
+ if ( externalLeading )
+ *externalLeading = 0;
+
+ if (str.empty())
+ return;
-#if 0
- // we can benchmark performance, should go into a setting later
- CGContextSetShouldAntialias( m_cgContext , false );
+#if wxMAC_USE_CORE_TEXT
+ if ( UMAGetSystemVersion() >= 0x1050 )
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ CTFontRef font = fref->GetCTFont();
+
+ wxMacCFStringHolder 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 ( fill || stroke )
+#if wxMAC_USE_ATSU_TEXT
{
- // setup brushes
- m_mode = kCGPathFill; // just a default
-
- if ( fill )
- {
- 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() )
- {
- wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
- CGContextSetFillColorSpace( m_cgContext , patternSpace );
- wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) );
+ 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
+#endif
+
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
+
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+
+ ATSUTextMeasurement textBefore, textAfter;
+ ATSUTextMeasurement textAscent, textDescent;
+
+ status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ &textBefore , &textAfter, &textAscent , &textDescent );
+
+ if ( height )
+ *height = FixedToInt(textAscent + textDescent);
+ if ( descent )
+ *descent = FixedToInt(textDescent);
+ if ( externalLeading )
+ *externalLeading = 0;
+ if ( width )
+ *width = FixedToInt(textAfter - textBefore);
+
+ ::ATSUDisposeTextLayout(atsuLayout);
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf ) ;
+#endif
+ return;
+ }
+#endif
+#if WXMAC_USE_CG_TEXT
+ // TODO core graphics text implementation here
+#endif
+}
- CGFloat colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
- brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 };
+void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
+{
+ widths.Empty();
+ widths.Add(0, text.length());
- CGContextSetFillPattern( m_cgContext, pattern , colorArray );
- }
- else
- {
- // now brush is a bitmap
- CGFloat alphaArray[1] = { 1.0 };
- wxBitmap* bmp = brush.GetStipple();
- if ( bmp && bmp->Ok() )
- {
- wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) );
- CGContextSetFillColorSpace( m_cgContext , patternSpace );
- wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
- CGContextSetFillPattern( m_cgContext, pattern , alphaArray );
- }
- }
+ if (text.empty())
+ return;
- m_mode = kCGPathFill;
+#if wxMAC_USE_CORE_TEXT
+ {
+ wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+ CTFontRef font = fref->GetCTFont();
+
+ wxMacCFStringHolder 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 ( fill && stroke )
- m_mode = kCGPathFillStroke;
- else if ( stroke )
- m_mode = kCGPathStroke;
+
+ return;
+ }
+#endif
+#if wxMAC_USE_ATSU_TEXT
+ {
+ ATSUTextLayout atsuLayout;
+ UniCharCount chars = text.length();
+ UniChar* ubuf = NULL;
+
+#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
+#endif
+
+ ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+ ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
+ &chars , &style , &atsuLayout );
+
+ 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);
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf ) ;
+#endif
}
+#endif
+#if WXMAC_USE_CG_TEXT
+ // TODO core graphics text implementation here
+#endif
}
-// 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::GetNativeContext()
{
+ return 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)
+// 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();
+ }
+}
-void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
+// gets the matrix of this context
+wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const
{
- DrawText(str, x, y, 0.0);
+ wxGraphicsMatrix m = CreateMatrix();
+ *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform :
+ CGContextGetCTM( m_cgContext ));
+ return m;
}
-void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
+//
+// Renderer
+//
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsRenderer declaration
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer
{
- EnsureIsValid();
-
- OSStatus status = noErr;
- ATSUTextLayout atsuLayout;
- UniCharCount chars = str.length();
- UniChar* ubuf = NULL;
+public :
+ wxMacCoreGraphicsRenderer() {}
-#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
-#endif
+ virtual ~wxMacCoreGraphicsRenderer() {}
- status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+ // Context
- wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
+ virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+ virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
- status = ::ATSUSetTransientFontMatching( atsuLayout , true );
- wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+ virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
- int iAngle = int( angle * RAD2DEG );
- if ( abs(iAngle) > 0 )
- {
- Fixed atsuAngle = IntToFixed( iAngle );
- ATSUAttributeTag atsuTags[] =
- {
- kATSULineRotationTag ,
- };
- ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
- {
- sizeof( Fixed ) ,
- };
- ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
- {
- &atsuAngle ,
- };
- status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
- atsuTags, atsuSizes, atsuValues );
- }
+ virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
- {
- 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 );
- }
+ virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+ virtual wxGraphicsContext * CreateMeasuringContext();
- ATSUTextMeasurement textBefore, textAfter;
- ATSUTextMeasurement ascent, descent;
+ // Path
- status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
- &textBefore , &textAfter, &ascent , &descent );
+ virtual wxGraphicsPath CreatePath();
- wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+ // Matrix
- 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));
+ 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);
- 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) );
+ virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
- wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
+ virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
- CGContextRestoreGState(m_cgContext);
+ // 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) ;
- ::ATSUDisposeTextLayout(atsuLayout);
+ // 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) ;
-#if SIZEOF_WCHAR_T == 4
- free( ubuf );
-#endif
-}
-
-void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
- wxDouble *descent, wxDouble *externalLeading ) const
-{
- wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
+ // sets the font
+ virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
- OSStatus status = noErr;
-
- ATSUTextLayout atsuLayout;
- UniCharCount chars = str.length();
- UniChar* ubuf = NULL;
+private :
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
+} ;
-#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
-#endif
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsRenderer implementation
+//-----------------------------------------------------------------------------
- status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer)
- wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer;
- ATSUTextMeasurement textBefore, textAfter;
- ATSUTextMeasurement textAscent, textDescent;
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+ return &gs_MacCoreGraphicsRenderer;
+}
- status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
- &textBefore , &textAfter, &textAscent , &textDescent );
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
+{
+ const wxDCImpl* impl = dc.GetImpl();
+ wxWindowDCImpl *win_impl = wxDynamicCast( impl, wxWindowDCImpl );
+ if (win_impl)
+ return new wxMacCoreGraphicsContext( this,
+ (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef()) );
+
+ return NULL;
+}
- if ( height )
- *height = FixedToInt(textAscent + textDescent);
- if ( descent )
- *descent = FixedToInt(textDescent);
- if ( externalLeading )
- *externalLeading = 0;
- if ( width )
- *width = FixedToInt(textAfter - textBefore);
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC& dc )
+{
+ const wxDCImpl* impl = dc.GetImpl();
+ wxMemoryDCImpl *mem_impl = wxDynamicCast( impl, wxMemoryDCImpl );
+ if (mem_impl)
+ return new wxMacCoreGraphicsContext( this,
+ (CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()) );
+
+ return NULL;
+}
- ::ATSUDisposeTextLayout(atsuLayout);
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
+{
+ return new wxMacCoreGraphicsContext(this,(CGContextRef)context);
}
-void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window )
{
- widths.Empty();
- widths.Add(0, text.length());
+ return new wxMacCoreGraphicsContext(this,(WindowRef)window);
+}
- if (text.empty())
- return;
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
+{
+ return new wxMacCoreGraphicsContext(this, window );
+}
- ATSUTextLayout atsuLayout;
- UniCharCount chars = text.length();
- UniChar* ubuf = NULL;
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
+{
+ return new wxMacCoreGraphicsContext(this);
+}
-#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
-#endif
+// Path
- ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
- &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()
+{
+ wxGraphicsPath m;
+ m.SetRefData( new wxMacCoreGraphicsPathData(this));
+ return m;
+}
- 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];
- }
+// Matrix
- ::ATSUDisposeTextLayout(atsuLayout);
+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;
}
-void wxMacCoreGraphicsContext::SetFont( const wxFont &font )
+wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
{
- if ( m_macATSUIStyle )
+ if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+ return wxNullGraphicsPen;
+ else
{
- ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
- m_macATSUIStyle = NULL;
+ wxGraphicsPen p;
+ p.SetRefData(new wxMacCoreGraphicsPenData( this, pen ));
+ return p;
}
+}
- if ( font.Ok() )
+wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
+{
+ if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
+ return wxNullGraphicsBrush;
+ else
{
- m_font = font ;
- OSStatus status;
+ wxGraphicsBrush p;
+ p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush ));
+ return p;
+ }
+}
- status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle );
+// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
+wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ const wxColour&c1, const wxColour&c2)
+{
+ wxGraphicsBrush p;
+ wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
+ d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+ p.SetRefData(d);
+ return p;
+}
- wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
+// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
+// with radius r and color cColor
+wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+ const wxColour &oColor, const wxColour &cColor)
+{
+ wxGraphicsBrush p;
+ wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
+ d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+ p.SetRefData(d);
+ return p;
+}
- // we need the scale here ...
+// sets the font
+wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
+{
+ if ( font.Ok() )
+ {
+ wxGraphicsFont p;
+ p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col ));
+ return p;
+ }
+ else
+ return wxNullGraphicsFont;
+}
- 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 ,
- };
+//
+// CoreGraphics Helper Methods
+//
- status = ::ATSUSetAttributes(
- (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
- atsuTags, atsuSizes, atsuValues);
+// Data Providers and Consumers
- wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
+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 * wxMacCoreGraphicsContext::GetNativeContext()
+void wxMacReleaseCFDataProviderCallback(void *info,
+ const void *WXUNUSED(data),
+ size_t WXUNUSED(count))
{
- return m_cgContext;
+ if ( info )
+ CFRelease( (CFDataRef) info );
}
-wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC &dc )
+void wxMacReleaseCFDataConsumerCallback( void *info )
{
- return new wxMacCoreGraphicsContext((CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+ if ( info )
+ CFRelease( (CFDataRef) info );
}
-wxGraphicsContext* wxGraphicsContext::Create( wxWindow * window )
+CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data )
{
- return new wxMacCoreGraphicsContext( window );
+ if ( data == NULL )
+ return NULL;
+
+ return CGDataProviderCreateWithCFData( data );
}
-wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
+CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data )
{
- return new wxMacCoreGraphicsContext((CGContextRef)context);
+ if ( data == NULL )
+ return NULL;
+
+ return CGDataConsumerCreateWithCFData( data );
}
-wxGraphicsContext* wxGraphicsContext::CreateFromNativeWindow( void * window )
+void wxMacReleaseMemoryBufferProviderCallback(void *info, const void *data, size_t WXUNUSED(size))
{
- return new wxMacCoreGraphicsContext((WindowRef)window);
+ wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
+
+ wxASSERT( data == membuf->GetData() ) ;
+
+ delete membuf ;
}
-#endif // wxMAC_USE_CORE_GRAPHICS
+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 );
+}
\ No newline at end of file
projects / wxWidgets.git / blobdiff