513b47e9b7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42179 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1301 lines
41 KiB
C++
Executable File
1301 lines
41 KiB
C++
Executable File
/////////////////////////////////////////////////////////////////////////////
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// Name: src/mac/carbon/dccg.cpp
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// Purpose: wxDC class
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// Author: Stefan Csomor
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS
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#include "wx/graphics.h"
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/region.h"
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#endif
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#include "wx/mac/uma.h"
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#ifdef __MSL__
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#if __MSL__ >= 0x6000
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#include "math.h"
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// in case our functions were defined outside std, we make it known all the same
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namespace std { }
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using namespace std;
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#endif
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#endif
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#include "wx/mac/private.h"
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#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
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typedef float CGFloat;
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#endif
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//
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// Graphics Path
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//
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class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath
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{
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DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsPath)
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public :
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wxMacCoreGraphicsPath();
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~wxMacCoreGraphicsPath();
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// begins a new subpath at (x,y)
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virtual void MoveToPoint( wxDouble x, wxDouble y );
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// adds a straight line from the current point to (x,y)
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virtual void AddLineToPoint( wxDouble x, wxDouble y );
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// adds a cubic Bezier curve from the current point, using two control points and an end point
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virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
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// closes the current sub-path
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virtual void CloseSubpath();
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// gets the last point of the current path, (0,0) if not yet set
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virtual void GetCurrentPoint( wxDouble& x, wxDouble&y);
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// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
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virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
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//
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// These are convenience functions which - if not available natively will be assembled
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// using the primitives from above
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//
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// adds a quadratic Bezier curve from the current point, using a control point and an end point
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virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
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// appends a rectangle as a new closed subpath
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virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
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// appends an ellipsis as a new closed subpath fitting the passed rectangle
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virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
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// 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)
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virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
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CGPathRef GetPath() const;
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private :
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CGMutablePathRef m_path;
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};
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wxMacCoreGraphicsPath::wxMacCoreGraphicsPath()
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{
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m_path = CGPathCreateMutable();
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}
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wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath()
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{
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CGPathRelease( m_path );
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}
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// opens (starts) a new subpath
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void wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 )
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{
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CGPathMoveToPoint( m_path , NULL , x1 , y1 );
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}
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void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 )
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{
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CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
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}
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void wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
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{
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CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
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}
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void wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
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{
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CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
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}
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void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
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{
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CGRect cgRect = { { x , y } , { w , h } };
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CGPathAddRect( m_path , NULL , cgRect );
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}
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void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r )
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{
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CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
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}
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// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
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void wxMacCoreGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
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{
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// inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
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CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise);
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}
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void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
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{
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CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r);
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}
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// closes the current subpath
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void wxMacCoreGraphicsPath::CloseSubpath()
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{
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CGPathCloseSubpath( m_path );
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}
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CGPathRef wxMacCoreGraphicsPath::GetPath() const
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{
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return m_path;
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}
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// gets the last point of the current path, (0,0) if not yet set
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void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y)
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{
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CGPoint p = CGPathGetCurrentPoint( m_path );
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x = p.x;
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y = p.y;
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}
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//
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// Graphics Context
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//
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class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
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{
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DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
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public:
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wxMacCoreGraphicsContext( CGContextRef cgcontext );
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wxMacCoreGraphicsContext( WindowRef window );
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wxMacCoreGraphicsContext();
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~wxMacCoreGraphicsContext();
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void Init();
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// creates a path instance that corresponds to the type of graphics context, ie GDIPlus, cairo, CoreGraphics ...
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virtual wxGraphicsPath * CreatePath();
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// push the current state of the context, ie the transformation matrix on a stack
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virtual void PushState();
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// pops a stored state from the stack
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virtual void PopState();
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// clips drawings to the region
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virtual void Clip( const wxRegion ®ion );
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// clips drawings to the rect
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virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
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// resets the clipping to original extent
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virtual void ResetClip();
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virtual void * GetNativeContext();
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//
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// transformation
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//
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// translate
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virtual void Translate( wxDouble dx , wxDouble dy );
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// scale
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virtual void Scale( wxDouble xScale , wxDouble yScale );
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// rotate (radians)
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virtual void Rotate( wxDouble angle );
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//
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// setting the paint
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//
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// sets the pan
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virtual void SetPen( const wxPen &pen );
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// sets the brush for filling
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virtual void SetBrush( const wxBrush &brush );
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// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
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virtual void SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
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const wxColour&c1, const wxColour&c2);
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// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
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// with radius r and color cColor
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virtual void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
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const wxColour &oColor, const wxColour &cColor);
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// sets the font
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virtual void SetFont( const wxFont &font );
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// sets the text color
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virtual void SetTextColor( const wxColour &col );
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// strokes along a path with the current pen
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virtual void StrokePath( const wxGraphicsPath *path );
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// fills a path with the current brush
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virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
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// draws a path by first filling and then stroking
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virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
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//
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// text
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//
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virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
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virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
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virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
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wxDouble *descent, wxDouble *externalLeading ) const;
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virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
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//
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// image support
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//
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virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
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virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
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void SetNativeContext( CGContextRef cg );
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CGPathDrawingMode GetDrawingMode() const { return m_mode; }
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private:
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CGContextRef m_cgContext;
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WindowRef m_windowRef;
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bool m_releaseContext;
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CGPathDrawingMode m_mode;
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ATSUStyle m_macATSUIStyle;
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wxPen m_pen;
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wxBrush m_brush;
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wxFont m_font;
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wxColor m_textForegroundColor;
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};
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//-----------------------------------------------------------------------------
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// constants
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//-----------------------------------------------------------------------------
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#if !defined( __DARWIN__ ) || defined(__MWERKS__)
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#ifndef M_PI
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const double M_PI = 3.14159265358979;
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#endif
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#endif
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static const double RAD2DEG = 180.0 / M_PI;
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//-----------------------------------------------------------------------------
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// device context implementation
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//
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// more and more of the dc functionality should be implemented by calling
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// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
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// also coordinate conversions should be moved to native matrix ops
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//-----------------------------------------------------------------------------
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// we always stock two context states, one at entry, to be able to preserve the
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// state we were called with, the other one after changing to HI Graphics orientation
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// (this one is used for getting back clippings etc)
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//-----------------------------------------------------------------------------
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// wxGraphicsPath implementation
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// wxGraphicsContext implementation
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//-----------------------------------------------------------------------------
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void wxMacCoreGraphicsContext::Init()
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{
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m_cgContext = NULL;
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m_mode = kCGPathFill;
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m_macATSUIStyle = NULL;
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m_releaseContext = false;
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}
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wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( CGContextRef cgcontext )
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{
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Init();
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m_cgContext = cgcontext;
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CGContextSaveGState( m_cgContext );
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CGContextSaveGState( m_cgContext );
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}
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wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( WindowRef window )
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{
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Init();
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m_windowRef = window;
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OSStatus status = QDBeginCGContext( GetWindowPort( window ) , &m_cgContext );
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wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
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Rect bounds;
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GetWindowBounds( window, kWindowContentRgn, &bounds );
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CGContextSaveGState( m_cgContext );
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CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top );
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CGContextScaleCTM( m_cgContext , 1 , -1 );
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CGContextSaveGState( m_cgContext );
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m_releaseContext = true;
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}
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wxMacCoreGraphicsContext::wxMacCoreGraphicsContext()
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{
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Init();
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}
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wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
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{
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if ( m_cgContext )
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{
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CGContextSynchronize( m_cgContext );
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CGContextRestoreGState( m_cgContext );
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CGContextRestoreGState( m_cgContext );
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}
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if ( m_releaseContext )
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QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
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}
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void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion )
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{
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HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
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HIShapeReplacePathInCGContext( shape, m_cgContext );
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CGContextClip( m_cgContext );
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CFRelease( shape );
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}
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// clips drawings to the rect
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void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
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{
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HIRect r = CGRectMake( x , y , w , h );
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CGContextClipToRect( m_cgContext, r );
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}
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// resets the clipping to original extent
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void wxMacCoreGraphicsContext::ResetClip()
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{
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CGContextRestoreGState( m_cgContext );
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CGContextSaveGState( m_cgContext );
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}
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void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *p )
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{
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const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p );
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int width = m_pen.GetWidth();
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if ( width == 0 )
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width = 1 ;
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if ( m_pen.GetStyle() == wxTRANSPARENT )
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width = 0 ;
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bool offset = ( width % 2 ) == 1 ;
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if ( offset )
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CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
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CGContextAddPath( m_cgContext , path->GetPath() );
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CGContextStrokePath( m_cgContext );
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if ( offset )
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CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
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}
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void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *p , int fillStyle )
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{
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const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p );
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CGPathDrawingMode mode = m_mode;
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if ( fillStyle == wxODDEVEN_RULE )
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{
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if ( mode == kCGPathFill )
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mode = kCGPathEOFill;
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else if ( mode == kCGPathFillStroke )
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mode = kCGPathEOFillStroke;
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}
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int width = m_pen.GetWidth();
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if ( width == 0 )
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width = 1 ;
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if ( m_pen.GetStyle() == wxTRANSPARENT )
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width = 0 ;
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bool offset = ( width % 2 ) == 1 ;
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if ( offset )
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CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
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CGContextAddPath( m_cgContext , path->GetPath() );
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CGContextDrawPath( m_cgContext , mode );
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if ( offset )
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CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
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}
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void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *p , int fillStyle )
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{
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const wxMacCoreGraphicsPath* path = dynamic_cast< const wxMacCoreGraphicsPath*>( p );
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CGContextAddPath( m_cgContext , path->GetPath() );
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if ( fillStyle == wxODDEVEN_RULE )
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CGContextEOFillPath( m_cgContext );
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else
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CGContextFillPath( m_cgContext );
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}
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wxGraphicsPath* wxMacCoreGraphicsContext::CreatePath()
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{
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return new wxMacCoreGraphicsPath();
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}
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void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
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{
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// we allow either setting or clearing but not replacing
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wxASSERT( m_cgContext == NULL || cg == NULL );
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if ( cg )
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CGContextSaveGState( cg );
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m_cgContext = cg;
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}
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void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
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{
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CGContextTranslateCTM( m_cgContext, dx, dy );
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}
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void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
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{
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CGContextScaleCTM( m_cgContext , xScale , yScale );
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}
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void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
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{
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CGContextRotateCTM( m_cgContext , angle );
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}
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void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
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{
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CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
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HIRect r = CGRectMake( x , y , w , h );
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HIViewDrawCGImage( m_cgContext , &r , image );
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CGImageRelease( image );
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}
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void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
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{
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CGRect r = CGRectMake( 00 , 00 , w , h );
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CGContextSaveGState( m_cgContext );
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CGContextTranslateCTM( m_cgContext, x , y + h );
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CGContextScaleCTM( m_cgContext, 1, -1 );
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PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
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NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
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CGContextRestoreGState( m_cgContext );
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}
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void wxMacCoreGraphicsContext::PushState()
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{
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CGContextSaveGState( m_cgContext );
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}
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void wxMacCoreGraphicsContext::PopState()
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{
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CGContextRestoreGState( m_cgContext );
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}
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void wxMacCoreGraphicsContext::SetTextColor( const wxColour &col )
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{
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m_textForegroundColor = col;
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// to recreate the native font after color change
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SetFont( m_font );
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}
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#pragma mark -
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#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
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// CGPattern wrapper class: always allocate on heap, never call destructor
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class wxMacCoreGraphicsPattern
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{
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public :
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wxMacCoreGraphicsPattern() {}
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|
|
|
// is guaranteed to be called only with a non-Null CGContextRef
|
|
virtual void Render( CGContextRef ctxRef ) = 0;
|
|
|
|
operator CGPatternRef() const { return m_patternRef; }
|
|
|
|
protected :
|
|
virtual ~wxMacCoreGraphicsPattern()
|
|
{
|
|
// as this is called only when the m_patternRef is been released;
|
|
// don't release it again
|
|
}
|
|
|
|
static void _Render( void *info, CGContextRef ctxRef )
|
|
{
|
|
wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
|
|
if ( self && ctxRef )
|
|
self->Render( ctxRef );
|
|
}
|
|
|
|
static void _Dispose( void *info )
|
|
{
|
|
wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
|
|
delete self;
|
|
}
|
|
|
|
CGPatternRef m_patternRef;
|
|
|
|
static const CGPatternCallbacks ms_Callbacks;
|
|
};
|
|
|
|
const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
|
|
|
|
class ImagePattern : public wxMacCoreGraphicsPattern
|
|
{
|
|
public :
|
|
ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
|
|
{
|
|
wxASSERT( bmp && bmp->Ok() );
|
|
|
|
Init( (CGImageRef) bmp->CGImageCreate() , transform );
|
|
}
|
|
|
|
// ImagePattern takes ownership of CGImageRef passed in
|
|
ImagePattern( CGImageRef image , const CGAffineTransform& transform )
|
|
{
|
|
if ( image )
|
|
CFRetain( image );
|
|
|
|
Init( image , transform );
|
|
}
|
|
|
|
virtual void Render( CGContextRef ctxRef )
|
|
{
|
|
if (m_image != NULL)
|
|
HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
|
|
}
|
|
|
|
protected :
|
|
void Init( CGImageRef image, const CGAffineTransform& transform )
|
|
{
|
|
m_image = image;
|
|
if ( m_image )
|
|
{
|
|
m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) );
|
|
m_patternRef = CGPatternCreate(
|
|
this , m_imageBounds, transform ,
|
|
m_imageBounds.size.width, m_imageBounds.size.height,
|
|
kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks );
|
|
}
|
|
}
|
|
|
|
virtual ~ImagePattern()
|
|
{
|
|
if ( m_image )
|
|
CGImageRelease( m_image );
|
|
}
|
|
|
|
CGImageRef m_image;
|
|
CGRect m_imageBounds;
|
|
};
|
|
|
|
class HatchPattern : public wxMacCoreGraphicsPattern
|
|
{
|
|
public :
|
|
HatchPattern( int hatchstyle, const CGAffineTransform& transform )
|
|
{
|
|
m_hatch = hatchstyle;
|
|
m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 );
|
|
m_patternRef = CGPatternCreate(
|
|
this , m_imageBounds, transform ,
|
|
m_imageBounds.size.width, m_imageBounds.size.height,
|
|
kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks );
|
|
}
|
|
|
|
void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
|
|
{
|
|
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
|
|
if ( UMAGetSystemVersion() >= 0x1040 )
|
|
{
|
|
CGContextStrokeLineSegments( ctxRef , pts , count );
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
CGContextBeginPath( ctxRef );
|
|
for (size_t i = 0; i < count; i += 2)
|
|
{
|
|
CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y);
|
|
CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y);
|
|
}
|
|
CGContextStrokePath(ctxRef);
|
|
}
|
|
}
|
|
|
|
virtual void Render( CGContextRef ctxRef )
|
|
{
|
|
switch ( m_hatch )
|
|
{
|
|
case wxBDIAGONAL_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 8.0 , 0.0 } , { 0.0 , 8.0 }
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 2 );
|
|
}
|
|
break;
|
|
|
|
case wxCROSSDIAG_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 0.0 , 0.0 } , { 8.0 , 8.0 } ,
|
|
{ 8.0 , 0.0 } , { 0.0 , 8.0 }
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 4 );
|
|
}
|
|
break;
|
|
|
|
case wxFDIAGONAL_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 0.0 , 0.0 } , { 8.0 , 8.0 }
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 2 );
|
|
}
|
|
break;
|
|
|
|
case wxCROSS_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 0.0 , 4.0 } , { 8.0 , 4.0 } ,
|
|
{ 4.0 , 0.0 } , { 4.0 , 8.0 } ,
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 4 );
|
|
}
|
|
break;
|
|
|
|
case wxHORIZONTAL_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 0.0 , 4.0 } , { 8.0 , 4.0 } ,
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 2 );
|
|
}
|
|
break;
|
|
|
|
case wxVERTICAL_HATCH :
|
|
{
|
|
CGPoint pts[] =
|
|
{
|
|
{ 4.0 , 0.0 } , { 4.0 , 8.0 } ,
|
|
};
|
|
StrokeLineSegments( ctxRef , pts , 2 );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
protected :
|
|
virtual ~HatchPattern() {}
|
|
|
|
CGRect m_imageBounds;
|
|
int m_hatch;
|
|
};
|
|
|
|
#pragma mark -
|
|
|
|
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;
|
|
|
|
#if 0
|
|
// we can benchmark performance; should go into a setting eventually
|
|
CGContextSetShouldAntialias( m_cgContext , false );
|
|
#endif
|
|
|
|
if ( fill || stroke )
|
|
{
|
|
// 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 );
|
|
|
|
// TODO: * m_dc->m_scaleX
|
|
CGFloat penWidth = pen.GetWidth();
|
|
if (penWidth <= 0.0)
|
|
penWidth = 0.1;
|
|
CGContextSetLineWidth( m_cgContext , penWidth );
|
|
|
|
CGLineCap cap;
|
|
switch ( pen.GetCap() )
|
|
{
|
|
case wxCAP_ROUND :
|
|
cap = kCGLineCapRound;
|
|
break;
|
|
|
|
case wxCAP_PROJECTING :
|
|
cap = kCGLineCapSquare;
|
|
break;
|
|
|
|
case wxCAP_BUTT :
|
|
cap = kCGLineCapButt;
|
|
break;
|
|
|
|
default :
|
|
cap = kCGLineCapButt;
|
|
break;
|
|
}
|
|
|
|
CGLineJoin join;
|
|
switch ( pen.GetJoin() )
|
|
{
|
|
case wxJOIN_BEVEL :
|
|
join = kCGLineJoinBevel;
|
|
break;
|
|
|
|
case wxJOIN_MITER :
|
|
join = kCGLineJoinMiter;
|
|
break;
|
|
|
|
case wxJOIN_ROUND :
|
|
join = kCGLineJoinRound;
|
|
break;
|
|
|
|
default :
|
|
join = kCGLineJoinMiter;
|
|
break;
|
|
}
|
|
|
|
m_mode = kCGPathStroke;
|
|
int count = 0;
|
|
|
|
const CGFloat *lengths = NULL;
|
|
CGFloat *userLengths = NULL;
|
|
|
|
const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth;
|
|
|
|
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 };
|
|
|
|
switch ( pen.GetStyle() )
|
|
{
|
|
case wxSOLID :
|
|
break;
|
|
|
|
case wxDOT :
|
|
lengths = dotted;
|
|
count = WXSIZEOF(dotted);
|
|
break;
|
|
|
|
case wxLONG_DASH :
|
|
lengths = dashed;
|
|
count = WXSIZEOF(dashed);
|
|
break;
|
|
|
|
case wxSHORT_DASH :
|
|
lengths = short_dashed;
|
|
count = WXSIZEOF(short_dashed);
|
|
break;
|
|
|
|
case wxDOT_DASH :
|
|
lengths = dotted_dashed;
|
|
count = WXSIZEOF(dotted_dashed);
|
|
break;
|
|
|
|
case wxUSER_DASH :
|
|
wxDash *dashes;
|
|
count = pen.GetDashes( &dashes );
|
|
if ((dashes != NULL) && (count > 0))
|
|
{
|
|
userLengths = new CGFloat[count];
|
|
for ( int i = 0; i < count; ++i )
|
|
{
|
|
userLengths[i] = dashes[i] * dashUnit;
|
|
|
|
if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 )
|
|
userLengths[i] = dashUnit + 2.0;
|
|
else if ( i % 2 == 0 && userLengths[i] < dashUnit )
|
|
userLengths[i] = dashUnit;
|
|
}
|
|
}
|
|
lengths = userLengths;
|
|
break;
|
|
|
|
case wxSTIPPLE :
|
|
{
|
|
CGFloat alphaArray[1] = { 1.0 };
|
|
wxBitmap* bmp = pen.GetStipple();
|
|
if ( bmp && bmp->Ok() )
|
|
{
|
|
wxMacCFRefHolder<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))
|
|
{
|
|
CGContextSetLineDash( m_cgContext , 0 , lengths , count );
|
|
// force the line cap, otherwise we get artifacts (overlaps) and just solid lines
|
|
cap = kCGLineCapButt;
|
|
}
|
|
else
|
|
{
|
|
CGContextSetLineDash( m_cgContext , 0 , NULL , 0 );
|
|
}
|
|
|
|
CGContextSetLineCap( m_cgContext , cap );
|
|
CGContextSetLineJoin( m_cgContext , join );
|
|
|
|
delete[] userLengths;
|
|
}
|
|
|
|
if ( fill && stroke )
|
|
m_mode = kCGPathFillStroke;
|
|
}
|
|
}
|
|
|
|
void wxMacCoreGraphicsContext::SetBrush( const wxBrush &brush )
|
|
{
|
|
m_brush = brush;
|
|
if ( m_cgContext == NULL )
|
|
return;
|
|
|
|
bool fill = brush.GetStyle() != wxTRANSPARENT;
|
|
bool stroke = m_pen.GetStyle() != wxTRANSPARENT;
|
|
|
|
#if 0
|
|
// we can benchmark performance, should go into a setting later
|
|
CGContextSetShouldAntialias( m_cgContext , false );
|
|
#endif
|
|
|
|
if ( fill || stroke )
|
|
{
|
|
// 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 ) ) ) );
|
|
|
|
CGFloat colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
|
|
brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 };
|
|
|
|
CGContextSetFillPattern( m_cgContext, pattern , colorArray );
|
|
}
|
|
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 );
|
|
}
|
|
}
|
|
|
|
m_mode = kCGPathFill;
|
|
}
|
|
|
|
if ( fill && stroke )
|
|
m_mode = kCGPathFillStroke;
|
|
else if ( stroke )
|
|
m_mode = kCGPathStroke;
|
|
}
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
}
|
|
|
|
// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
|
|
// with radius r and color cColor
|
|
void wxMacCoreGraphicsContext::SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
|
|
const wxColour &oColor, const wxColour &cColor)
|
|
{
|
|
}
|
|
|
|
|
|
void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
|
|
{
|
|
DrawText(str, x, y, 0.0);
|
|
}
|
|
|
|
void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
|
|
{
|
|
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
|
|
|
|
status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
|
|
&chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
|
|
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
|
|
|
|
status = ::ATSUSetTransientFontMatching( atsuLayout , true );
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
|
|
|
|
int iAngle = int( angle * RAD2DEG );
|
|
if ( abs(iAngle) > 0 )
|
|
{
|
|
Fixed atsuAngle = IntToFixed( iAngle );
|
|
ATSUAttributeTag atsuTags[] =
|
|
{
|
|
kATSULineRotationTag ,
|
|
};
|
|
ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
sizeof( Fixed ) ,
|
|
};
|
|
ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
&atsuAngle ,
|
|
};
|
|
status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
|
|
atsuTags, atsuSizes, atsuValues );
|
|
}
|
|
|
|
{
|
|
ATSUAttributeTag atsuTags[] =
|
|
{
|
|
kATSUCGContextTag ,
|
|
};
|
|
ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
sizeof( CGContextRef ) ,
|
|
};
|
|
ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
&m_cgContext ,
|
|
};
|
|
status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
|
|
atsuTags, atsuSizes, atsuValues );
|
|
}
|
|
|
|
ATSUTextMeasurement textBefore, textAfter;
|
|
ATSUTextMeasurement ascent, descent;
|
|
|
|
status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
|
|
&textBefore , &textAfter, &ascent , &descent );
|
|
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
|
|
|
|
Rect rect;
|
|
/*
|
|
// 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));
|
|
|
|
status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
|
|
IntToFixed(x) , IntToFixed(y) , &rect );
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
|
|
|
|
CGContextSaveGState(m_cgContext);
|
|
CGContextTranslateCTM(m_cgContext, x, y);
|
|
CGContextScaleCTM(m_cgContext, 1, -1);
|
|
status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
|
|
IntToFixed(0) , IntToFixed(0) );
|
|
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
|
|
|
|
CGContextRestoreGState(m_cgContext);
|
|
|
|
::ATSUDisposeTextLayout(atsuLayout);
|
|
|
|
#if SIZEOF_WCHAR_T == 4
|
|
free( ubuf );
|
|
#endif
|
|
}
|
|
|
|
void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
|
|
wxDouble *descent, wxDouble *externalLeading ) const
|
|
{
|
|
wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
|
|
|
|
OSStatus status = noErr;
|
|
|
|
ATSUTextLayout atsuLayout;
|
|
UniCharCount chars = str.length();
|
|
UniChar* ubuf = NULL;
|
|
|
|
#if SIZEOF_WCHAR_T == 4
|
|
wxMBConvUTF16 converter;
|
|
#if wxUSE_UNICODE
|
|
size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
|
|
ubuf = (UniChar*) malloc( unicharlen + 2 );
|
|
converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
|
|
#else
|
|
const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
|
|
size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
|
|
ubuf = (UniChar*) malloc( unicharlen + 2 );
|
|
converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
|
|
#endif
|
|
chars = unicharlen / 2;
|
|
#else
|
|
#if wxUSE_UNICODE
|
|
ubuf = (UniChar*) str.wc_str();
|
|
#else
|
|
wxWCharBuffer wchar = str.wc_str( wxConvLocal );
|
|
chars = wxWcslen( wchar.data() );
|
|
ubuf = (UniChar*) wchar.data();
|
|
#endif
|
|
#endif
|
|
|
|
status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
|
|
&chars , (ATSUStyle*) &m_macATSUIStyle , &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);
|
|
}
|
|
|
|
void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
|
|
{
|
|
widths.Empty();
|
|
widths.Add(0, text.length());
|
|
|
|
if (text.empty())
|
|
return;
|
|
|
|
ATSUTextLayout atsuLayout;
|
|
UniCharCount chars = text.length();
|
|
UniChar* ubuf = NULL;
|
|
|
|
#if 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
|
|
|
|
::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
|
|
&chars , (ATSUStyle*) &m_macATSUIStyle , &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);
|
|
}
|
|
|
|
void wxMacCoreGraphicsContext::SetFont( const wxFont &font )
|
|
{
|
|
if ( m_macATSUIStyle )
|
|
{
|
|
::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
|
|
m_macATSUIStyle = NULL;
|
|
}
|
|
|
|
if ( font.Ok() )
|
|
{
|
|
m_font = font ;
|
|
OSStatus status;
|
|
|
|
status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle );
|
|
|
|
wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
|
|
|
|
// we need the scale here ...
|
|
|
|
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 ,
|
|
};
|
|
|
|
status = ::ATSUSetAttributes(
|
|
(ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
|
|
atsuTags, atsuSizes, atsuValues);
|
|
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
|
|
}
|
|
}
|
|
|
|
void * wxMacCoreGraphicsContext::GetNativeContext()
|
|
{
|
|
return m_cgContext;
|
|
}
|
|
|
|
wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC &dc )
|
|
{
|
|
return new wxMacCoreGraphicsContext((CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
|
|
}
|
|
|
|
wxGraphicsContext* wxGraphicsContext::Create( wxWindow * window )
|
|
{
|
|
wxGraphicsContext* ctx = new wxMacCoreGraphicsContext( (WindowRef) window->MacGetTopLevelWindowRef() );
|
|
CGContextRef cg = (CGContextRef) ctx->GetNativeContext() ;
|
|
CGContextRestoreGState( cg );
|
|
int x , y;
|
|
x = y = 0;
|
|
window->MacWindowToRootWindow( &x , &y );
|
|
CGContextTranslateCTM( cg, x, y );
|
|
CGContextSaveGState( cg );
|
|
return ctx;
|
|
|
|
}
|
|
|
|
wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
|
|
{
|
|
return new wxMacCoreGraphicsContext((CGContextRef)context);
|
|
}
|
|
|
|
wxGraphicsContext* wxGraphicsContext::CreateFromNativeWindow( void * window )
|
|
{
|
|
return new wxMacCoreGraphicsContext((WindowRef)window);
|
|
}
|
|
|
|
#endif // wxMAC_USE_CORE_GRAPHICS
|