83b445a666
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40837 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2208 lines
64 KiB
C++
Executable File
2208 lines
64 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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#include "wx/dc.h"
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#if wxMAC_USE_CORE_GRAPHICS
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/app.h"
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#include "wx/dcmemory.h"
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#include "wx/dcprint.h"
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#include "wx/region.h"
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#include "wx/image.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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IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
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#ifndef wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
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#define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0
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#endif
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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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// 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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const double RAD2DEG = 180.0 / M_PI;
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const short kEmulatedMode = -1 ;
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const short kUnsupportedMode = -2 ;
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extern TECObjectRef s_TECNativeCToUnicode ;
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// TODO: update
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// The textctrl implementation still needs that (needs what?) for the non-HIView implementation
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//
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wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
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wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) )
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{
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m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
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m_formerClip = NewRgn() ;
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m_newClip = NewRgn() ;
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GetClip( m_formerClip ) ;
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if ( win )
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{
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// guard against half constructed objects, this just leads to a empty clip
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if ( win->GetPeer() )
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{
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int x = 0 , y = 0;
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win->MacWindowToRootWindow( &x, &y ) ;
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// get area including focus rect
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CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
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if ( !EmptyRgn( m_newClip ) )
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OffsetRgn( m_newClip , x , y ) ;
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}
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SetClip( m_newClip ) ;
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}
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}
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wxMacWindowClipper::~wxMacWindowClipper()
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{
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SetPort( m_newPort ) ;
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SetClip( m_formerClip ) ;
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DisposeRgn( m_newClip ) ;
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DisposeRgn( m_formerClip ) ;
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}
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wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
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wxMacWindowClipper( win )
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{
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// the port is already set at this point
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m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
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GetThemeDrawingState( &m_themeDrawingState ) ;
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}
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wxMacWindowStateSaver::~wxMacWindowStateSaver()
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{
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SetPort( m_newPort ) ;
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SetThemeDrawingState( m_themeDrawingState , true ) ;
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}
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// minimal implementation only used for appearance drawing < 10.3
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wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
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m_ph( (GrafPtr) dc->m_macPort )
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{
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wxASSERT( dc->Ok() ) ;
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m_dc = dc ;
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// dc->MacSetupPort(&m_ph) ;
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}
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wxMacPortSetter::~wxMacPortSetter()
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{
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// m_dc->MacCleanupPort(&m_ph) ;
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}
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//-----------------------------------------------------------------------------
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// Local functions
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//-----------------------------------------------------------------------------
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static inline double dmin(double a, double b) { return a < b ? a : b; }
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static inline double dmax(double a, double b) { return a > b ? a : b; }
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static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
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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 wxMacCGContext, 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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wxMacCGPath::wxMacCGPath()
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{
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m_path = CGPathCreateMutable() ;
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}
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wxMacCGPath::~wxMacCGPath()
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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 wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 )
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{
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CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ;
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}
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void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 )
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{
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CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ;
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}
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void wxMacCGPath::AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 )
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{
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CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x1 , y1 );
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}
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void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord 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 wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord 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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// closes the current subpath
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void wxMacCGPath::CloseSubpath()
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{
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CGPathCloseSubpath( m_path ) ;
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}
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CGPathRef wxMacCGPath::GetPath() const
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{
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return m_path ;
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}
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wxMacCGContext::wxMacCGContext( CGrafPtr port )
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{
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m_qdPort = port ;
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m_cgContext = NULL ;
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}
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wxMacCGContext::wxMacCGContext( CGContextRef cgcontext )
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{
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m_qdPort = NULL ;
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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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wxMacCGContext::wxMacCGContext()
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{
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m_qdPort = NULL ;
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m_cgContext = NULL ;
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}
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wxMacCGContext::~wxMacCGContext()
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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_qdPort )
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CGContextRelease( m_cgContext ) ;
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}
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void wxMacCGContext::Clip( const wxRegion ®ion )
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{
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// ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ;
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}
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void wxMacCGContext::StrokePath( const wxGraphicPath *p )
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{
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const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
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CGContextAddPath( m_cgContext , path->GetPath() ) ;
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CGContextStrokePath( m_cgContext ) ;
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}
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void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle )
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{
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const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( 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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CGContextAddPath( m_cgContext , path->GetPath() ) ;
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CGContextDrawPath( m_cgContext , mode ) ;
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}
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void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle )
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{
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const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
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CGContextSaveGState( m_cgContext ) ;
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RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ;
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CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
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CGPathDrawingMode mode = kCGPathFill ;
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if ( fillStyle == wxODDEVEN_RULE )
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mode = kCGPathEOFill ;
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CGContextBeginPath( m_cgContext ) ;
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CGContextAddPath( m_cgContext , path->GetPath() ) ;
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CGContextClosePath( m_cgContext ) ;
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CGContextDrawPath( m_cgContext , mode ) ;
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CGContextRestoreGState( m_cgContext ) ;
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}
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wxGraphicPath* wxMacCGContext::CreatePath()
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{
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// make sure that we now have a real cgref, before doing
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// anything with paths
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CGContextRef cg = GetNativeContext() ;
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cg = NULL ;
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return new wxMacCGPath() ;
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}
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// in case we only got a QDPort only create a cgref now
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CGContextRef wxMacCGContext::GetNativeContext()
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{
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if ( m_cgContext == NULL )
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{
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Rect bounds ;
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GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ;
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OSStatus status = CreateCGContextForPort((CGrafPtr) m_qdPort , &m_cgContext) ;
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CGContextSaveGState( m_cgContext ) ;
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wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ;
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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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SetPen( m_pen ) ;
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SetBrush( m_brush ) ;
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}
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return m_cgContext ;
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}
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void wxMacCGContext::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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#pragma mark -
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#pragma mark wxMacCGPattern, ImagePattern, HatchPattern classes
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// CGPattern wrapper class: always allocate on heap, never call destructor
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class wxMacCGPattern
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{
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public :
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wxMacCGPattern() {}
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// is guaranteed to be called only with a non-Null CGContextRef
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virtual void Render( CGContextRef ctxRef ) = 0 ;
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operator CGPatternRef() const { return m_patternRef ; }
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protected :
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virtual ~wxMacCGPattern()
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{
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// as this is called only when the m_patternRef is been released;
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// don't release it again
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}
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static void _Render( void *info, CGContextRef ctxRef )
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{
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wxMacCGPattern* self = (wxMacCGPattern*) info ;
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if ( self && ctxRef )
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self->Render( ctxRef ) ;
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}
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static void _Dispose( void *info )
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{
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wxMacCGPattern* self = (wxMacCGPattern*) info ;
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delete self ;
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}
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CGPatternRef m_patternRef ;
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static const CGPatternCallbacks ms_Callbacks ;
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} ;
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const CGPatternCallbacks wxMacCGPattern::ms_Callbacks = { 0, &wxMacCGPattern::_Render, &wxMacCGPattern::_Dispose };
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class ImagePattern : public wxMacCGPattern
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{
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public :
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ImagePattern( const wxBitmap* bmp , CGAffineTransform transform )
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{
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wxASSERT( bmp && bmp->Ok() ) ;
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Init( (CGImageRef) bmp->CGImageCreate() , transform ) ;
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}
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// ImagePattern takes ownership of CGImageRef passed in
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ImagePattern( CGImageRef image , CGAffineTransform transform )
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{
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if ( image )
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CFRetain( image ) ;
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Init( image , transform ) ;
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}
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virtual void Render( CGContextRef ctxRef )
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{
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if (m_image != NULL)
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HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
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}
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protected :
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void Init( CGImageRef image, CGAffineTransform transform )
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{
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m_image = image ;
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if ( m_image )
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{
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m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ) ;
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m_patternRef = CGPatternCreate(
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this , m_imageBounds, transform ,
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m_imageBounds.size.width, m_imageBounds.size.height,
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kCGPatternTilingNoDistortion, true , &wxMacCGPattern::ms_Callbacks ) ;
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}
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}
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~ImagePattern()
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{
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if ( m_image )
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CGImageRelease( m_image ) ;
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}
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CGImageRef m_image ;
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CGRect m_imageBounds ;
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} ;
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class HatchPattern : public wxMacCGPattern
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{
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public :
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HatchPattern( int hatchstyle, CGAffineTransform transform )
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{
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m_hatch = hatchstyle ;
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m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ) ;
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m_patternRef = CGPatternCreate(
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this , m_imageBounds, transform ,
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m_imageBounds.size.width, m_imageBounds.size.height,
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kCGPatternTilingNoDistortion, false , &wxMacCGPattern::ms_Callbacks ) ;
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}
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void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
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{
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
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if ( UMAGetSystemVersion() >= 0x1040 )
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{
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CGContextStrokeLineSegments( ctxRef , pts , count ) ;
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}
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else
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#endif
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{
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CGContextBeginPath( ctxRef );
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for (size_t i = 0; i < count; i += 2)
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{
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CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y);
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CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y);
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}
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CGContextStrokePath(ctxRef);
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}
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}
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virtual void Render( CGContextRef ctxRef )
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{
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switch ( m_hatch )
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{
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case wxBDIAGONAL_HATCH :
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{
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CGPoint pts[] =
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{
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{ 8.0 , 0.0 } , { 0.0 , 8.0 }
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};
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StrokeLineSegments( ctxRef , pts , 2 ) ;
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}
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break ;
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case wxCROSSDIAG_HATCH :
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{
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CGPoint pts[] =
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{
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{ 0.0 , 0.0 } , { 8.0 , 8.0 } ,
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{ 8.0 , 0.0 } , { 0.0 , 8.0 }
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};
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StrokeLineSegments( ctxRef , pts , 4 ) ;
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}
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break ;
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case wxFDIAGONAL_HATCH :
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{
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CGPoint pts[] =
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{
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{ 0.0 , 0.0 } , { 8.0 , 8.0 }
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};
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StrokeLineSegments( ctxRef , pts , 2 ) ;
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}
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break ;
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case wxCROSS_HATCH :
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{
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CGPoint pts[] =
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{
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{ 0.0 , 4.0 } , { 8.0 , 4.0 } ,
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{ 4.0 , 0.0 } , { 4.0 , 8.0 } ,
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};
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StrokeLineSegments( ctxRef , pts , 4 ) ;
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}
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break ;
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case wxHORIZONTAL_HATCH :
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{
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CGPoint pts[] =
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{
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{ 0.0 , 4.0 } , { 8.0 , 4.0 } ,
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};
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StrokeLineSegments( ctxRef , pts , 2 ) ;
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}
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break ;
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case wxVERTICAL_HATCH :
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{
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CGPoint pts[] =
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{
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{ 4.0 , 0.0 } , { 4.0 , 8.0 } ,
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};
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StrokeLineSegments( ctxRef , pts , 2 ) ;
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}
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break ;
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default:
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break;
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}
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}
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protected :
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~HatchPattern() {}
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CGRect m_imageBounds ;
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int m_hatch ;
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};
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#pragma mark -
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void wxMacCGContext::SetPen( const wxPen &pen )
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{
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m_pen = pen ;
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if ( m_cgContext == NULL )
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return ;
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bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
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bool stroke = pen.GetStyle() != wxTRANSPARENT ;
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#if 0
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// 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 wxMacCGContext::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 ;
|
|
}
|
|
}
|
|
|
|
void AddEllipticArcToPath(CGContextRef c, CGPoint center, CGFloat a, CGFloat b, CGFloat fromDegree , CGFloat toDegree )
|
|
{
|
|
CGContextSaveGState(c);
|
|
CGContextTranslateCTM(c, center.x, center.y);
|
|
CGContextScaleCTM(c, a, b);
|
|
CGContextMoveToPoint(c, 1, 0);
|
|
CGContextAddArc(c, 0, 0, 1, DegToRad(fromDegree), DegToRad(toDegree), 0);
|
|
CGContextClosePath(c);
|
|
CGContextRestoreGState(c);
|
|
}
|
|
|
|
void AddRoundedRectToPath(CGContextRef c, CGRect rect, CGFloat ovalWidth,
|
|
CGFloat ovalHeight)
|
|
{
|
|
CGFloat fw, fh;
|
|
if (ovalWidth == 0 || ovalHeight == 0)
|
|
{
|
|
CGContextAddRect(c, rect);
|
|
return;
|
|
}
|
|
|
|
CGContextSaveGState(c);
|
|
CGContextTranslateCTM(c, CGRectGetMinX(rect), CGRectGetMinY(rect));
|
|
CGContextScaleCTM(c, ovalWidth, ovalHeight);
|
|
|
|
fw = CGRectGetWidth(rect) / ovalWidth;
|
|
fh = CGRectGetHeight(rect) / ovalHeight;
|
|
|
|
CGContextMoveToPoint(c, fw, fh / 2);
|
|
CGContextAddArcToPoint(c, fw, fh, fw / 2, fh, 1);
|
|
CGContextAddArcToPoint(c, 0, fh, 0, fh / 2, 1);
|
|
CGContextAddArcToPoint(c, 0, 0, fw / 2, 0, 1);
|
|
CGContextAddArcToPoint(c, fw, 0, fw, fh / 2, 1);
|
|
CGContextClosePath(c);
|
|
CGContextRestoreGState(c);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
wxDC::wxDC()
|
|
{
|
|
m_ok = false ;
|
|
m_colour = true;
|
|
m_mm_to_pix_x = mm2pt;
|
|
m_mm_to_pix_y = mm2pt;
|
|
|
|
m_externalDeviceOriginX = 0;
|
|
m_externalDeviceOriginY = 0;
|
|
m_logicalScaleX = 1.0;
|
|
m_logicalScaleY = 1.0;
|
|
m_userScaleX = 1.0;
|
|
m_userScaleY = 1.0;
|
|
m_scaleX = 1.0;
|
|
m_scaleY = 1.0;
|
|
m_needComputeScaleX =
|
|
m_needComputeScaleY = false;
|
|
|
|
m_macPort = 0 ;
|
|
m_macLocalOrigin.x =
|
|
m_macLocalOrigin.y = 0 ;
|
|
|
|
m_pen = *wxBLACK_PEN;
|
|
m_font = *wxNORMAL_FONT;
|
|
m_brush = *wxWHITE_BRUSH;
|
|
|
|
m_macATSUIStyle = NULL ;
|
|
m_graphicContext = NULL ;
|
|
}
|
|
|
|
wxDC::~wxDC()
|
|
{
|
|
if ( m_macATSUIStyle )
|
|
{
|
|
::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
|
|
m_macATSUIStyle = NULL ;
|
|
}
|
|
|
|
delete m_graphicContext ;
|
|
}
|
|
|
|
void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid DC") );
|
|
wxCHECK_RET( bmp.Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid bitmap") );
|
|
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord w = bmp.GetWidth();
|
|
wxCoord h = bmp.GetHeight();
|
|
wxCoord ww = XLOG2DEVREL(w);
|
|
wxCoord hh = YLOG2DEVREL(h);
|
|
|
|
CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ;
|
|
HIRect r = CGRectMake( xx , yy , ww , hh ) ;
|
|
HIViewDrawCGImage( cg , &r , image ) ;
|
|
CGImageRelease( image ) ;
|
|
}
|
|
|
|
void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid DC") );
|
|
wxCHECK_RET( icon.Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid icon") );
|
|
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord w = icon.GetWidth();
|
|
wxCoord h = icon.GetHeight();
|
|
wxCoord ww = XLOG2DEVREL(w);
|
|
wxCoord hh = YLOG2DEVREL(h);
|
|
|
|
CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
CGRect r = CGRectMake( 00 , 00 , ww , hh ) ;
|
|
CGContextSaveGState( cg );
|
|
CGContextTranslateCTM( cg, xx , yy + hh );
|
|
CGContextScaleCTM( cg, 1, -1 );
|
|
PlotIconRefInContext( cg , &r , kAlignNone , kTransformNone ,
|
|
NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
|
|
CGContextRestoreGState( cg ) ;
|
|
}
|
|
|
|
void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegion - invalid DC") );
|
|
|
|
wxCoord xx, yy, ww, hh;
|
|
xx = XLOG2DEVMAC(x);
|
|
yy = YLOG2DEVMAC(y);
|
|
ww = XLOG2DEVREL(width);
|
|
hh = YLOG2DEVREL(height);
|
|
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
CGRect clipRect = CGRectMake( xx , yy , ww, hh ) ;
|
|
CGContextClipToRect( cgContext , clipRect ) ;
|
|
|
|
// SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
|
|
// SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
|
|
|
|
if ( m_clipping )
|
|
{
|
|
m_clipX1 = wxMax( m_clipX1, xx );
|
|
m_clipY1 = wxMax( m_clipY1, yy );
|
|
m_clipX2 = wxMin( m_clipX2, (xx + ww) );
|
|
m_clipY2 = wxMin( m_clipY2, (yy + hh) );
|
|
}
|
|
else
|
|
{
|
|
m_clipping = true;
|
|
|
|
m_clipX1 = xx;
|
|
m_clipY1 = yy;
|
|
m_clipX2 = xx + ww;
|
|
m_clipY2 = yy + hh;
|
|
}
|
|
|
|
// TODO: as soon as we don't reset the context for each operation anymore
|
|
// we have to update the context as well
|
|
}
|
|
|
|
void wxDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
|
|
|
|
if (region.Empty())
|
|
{
|
|
DestroyClippingRegion();
|
|
return;
|
|
}
|
|
|
|
wxCoord x, y, w, h;
|
|
region.GetBox( x, y, w, h );
|
|
wxCoord xx, yy, ww, hh;
|
|
xx = XLOG2DEVMAC(x);
|
|
yy = YLOG2DEVMAC(y);
|
|
ww = XLOG2DEVREL(w);
|
|
hh = YLOG2DEVREL(h);
|
|
|
|
// if we have a scaling that we cannot map onto native regions
|
|
// we must use the box
|
|
if ( ww != w || hh != h )
|
|
{
|
|
wxDC::DoSetClippingRegion( x, y, w, h );
|
|
}
|
|
else
|
|
{
|
|
#if 0
|
|
CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
|
|
if ( xx != x || yy != y )
|
|
OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
|
|
SectRgn( (RgnHandle)m_macCurrentClipRgn , (RgnHandle)m_macBoundaryClipRgn , (RgnHandle)m_macCurrentClipRgn ) ;
|
|
#endif
|
|
|
|
if ( m_clipping )
|
|
{
|
|
m_clipX1 = wxMax( m_clipX1, xx );
|
|
m_clipY1 = wxMax( m_clipY1, yy );
|
|
m_clipX2 = wxMin( m_clipX2, (xx + ww) );
|
|
m_clipY2 = wxMin( m_clipY2, (yy + hh) );
|
|
}
|
|
else
|
|
{
|
|
m_clipping = true;
|
|
|
|
m_clipX1 = xx;
|
|
m_clipY1 = yy;
|
|
m_clipX2 = xx + ww;
|
|
m_clipY2 = yy + hh;
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDC::DestroyClippingRegion()
|
|
{
|
|
// CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
|
|
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
CGContextRestoreGState( cgContext );
|
|
CGContextSaveGState( cgContext );
|
|
|
|
m_graphicContext->SetPen( m_pen ) ;
|
|
m_graphicContext->SetBrush( m_brush ) ;
|
|
|
|
m_clipping = false;
|
|
}
|
|
|
|
void wxDC::DoGetSizeMM( int* width, int* height ) const
|
|
{
|
|
int w = 0, h = 0;
|
|
|
|
GetSize( &w, &h );
|
|
if (width)
|
|
*width = long( double(w) / (m_scaleX * m_mm_to_pix_x) );
|
|
if (height)
|
|
*height = long( double(h) / (m_scaleY * m_mm_to_pix_y) );
|
|
}
|
|
|
|
void wxDC::SetTextForeground( const wxColour &col )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextForeground - invalid DC") );
|
|
|
|
if ( col != m_textForegroundColour )
|
|
{
|
|
m_textForegroundColour = col;
|
|
MacInstallFont() ;
|
|
}
|
|
}
|
|
|
|
void wxDC::SetTextBackground( const wxColour &col )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextBackground - invalid DC") );
|
|
|
|
m_textBackgroundColour = col;
|
|
}
|
|
|
|
void wxDC::SetMapMode( int mode )
|
|
{
|
|
switch (mode)
|
|
{
|
|
case wxMM_TWIPS:
|
|
SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y );
|
|
break;
|
|
|
|
case wxMM_POINTS:
|
|
SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y );
|
|
break;
|
|
|
|
case wxMM_METRIC:
|
|
SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
|
|
break;
|
|
|
|
case wxMM_LOMETRIC:
|
|
SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 );
|
|
break;
|
|
|
|
case wxMM_TEXT:
|
|
default:
|
|
SetLogicalScale( 1.0, 1.0 );
|
|
break;
|
|
}
|
|
|
|
if (mode != wxMM_TEXT)
|
|
{
|
|
m_needComputeScaleX =
|
|
m_needComputeScaleY = true;
|
|
}
|
|
}
|
|
|
|
void wxDC::SetUserScale( double x, double y )
|
|
{
|
|
// allow negative ? -> no
|
|
m_userScaleX = x;
|
|
m_userScaleY = y;
|
|
ComputeScaleAndOrigin();
|
|
}
|
|
|
|
void wxDC::SetLogicalScale( double x, double y )
|
|
{
|
|
// allow negative ?
|
|
m_logicalScaleX = x;
|
|
m_logicalScaleY = y;
|
|
ComputeScaleAndOrigin();
|
|
}
|
|
|
|
void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
|
|
{
|
|
m_logicalOriginX = x * m_signX; // is this still correct ?
|
|
m_logicalOriginY = y * m_signY;
|
|
ComputeScaleAndOrigin();
|
|
}
|
|
|
|
void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
|
|
{
|
|
m_externalDeviceOriginX = x;
|
|
m_externalDeviceOriginY = y;
|
|
ComputeScaleAndOrigin();
|
|
}
|
|
|
|
void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
|
|
{
|
|
m_signX = (xLeftRight ? 1 : -1);
|
|
m_signY = (yBottomUp ? -1 : 1);
|
|
ComputeScaleAndOrigin();
|
|
}
|
|
|
|
wxSize wxDC::GetPPI() const
|
|
{
|
|
return wxSize(72, 72);
|
|
}
|
|
|
|
int wxDC::GetDepth() const
|
|
{
|
|
return 32;
|
|
}
|
|
|
|
void wxDC::ComputeScaleAndOrigin()
|
|
{
|
|
// CMB: copy scale to see if it changes
|
|
double origScaleX = m_scaleX;
|
|
double origScaleY = m_scaleY;
|
|
m_scaleX = m_logicalScaleX * m_userScaleX;
|
|
m_scaleY = m_logicalScaleY * m_userScaleY;
|
|
m_deviceOriginX = m_externalDeviceOriginX;
|
|
m_deviceOriginY = m_externalDeviceOriginY;
|
|
|
|
// CMB: if scale has changed call SetPen to recalulate the line width
|
|
if (m_scaleX != origScaleX || m_scaleY != origScaleY)
|
|
{
|
|
// this is a bit artificial, but we need to force wxDC to think
|
|
// the pen has changed
|
|
wxPen pen( GetPen() );
|
|
|
|
m_pen = wxNullPen;
|
|
SetPen( pen );
|
|
}
|
|
}
|
|
|
|
void wxDC::SetPalette( const wxPalette& palette )
|
|
{
|
|
}
|
|
|
|
void wxDC::SetBackgroundMode( int mode )
|
|
{
|
|
m_backgroundMode = mode ;
|
|
}
|
|
|
|
void wxDC::SetFont( const wxFont &font )
|
|
{
|
|
m_font = font;
|
|
MacInstallFont() ;
|
|
}
|
|
|
|
void wxDC::SetPen( const wxPen &pen )
|
|
{
|
|
if ( m_pen == pen )
|
|
return ;
|
|
|
|
m_pen = pen;
|
|
if ( m_graphicContext )
|
|
{
|
|
if ( m_pen.GetStyle() == wxSOLID || m_pen.GetStyle() == wxTRANSPARENT )
|
|
{
|
|
m_graphicContext->SetPen( m_pen ) ;
|
|
}
|
|
else
|
|
{
|
|
// we have to compensate for moved device origins etc. otherwise patterned pens are standing still
|
|
// eg when using a wxScrollWindow and scrolling around
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
int origX = XLOG2DEVMAC( 0 ) ;
|
|
int origY = YLOG2DEVMAC( 0 ) ;
|
|
CGContextTranslateCTM( cgContext, origX, origY );
|
|
m_graphicContext->SetPen( m_pen ) ;
|
|
CGContextTranslateCTM( cgContext, -origX, -origY );
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDC::SetBrush( const wxBrush &brush )
|
|
{
|
|
if (m_brush == brush)
|
|
return;
|
|
|
|
m_brush = brush;
|
|
if ( m_graphicContext )
|
|
{
|
|
if ( brush.GetStyle() == wxSOLID || brush.GetStyle() == wxTRANSPARENT )
|
|
{
|
|
m_graphicContext->SetBrush( m_brush ) ;
|
|
}
|
|
else
|
|
{
|
|
// we have to compensate for moved device origins etc. otherwise patterned brushes are standing still
|
|
// eg when using a wxScrollWindow and scrolling around
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
int origX = XLOG2DEVMAC(0) ;
|
|
int origY = YLOG2DEVMAC(0) ;
|
|
CGContextTranslateCTM( cgContext, origX, origY );
|
|
m_graphicContext->SetBrush( m_brush ) ;
|
|
CGContextTranslateCTM( cgContext, -origX, -origY );
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDC::SetBackground( const wxBrush &brush )
|
|
{
|
|
if (m_backgroundBrush == brush)
|
|
return;
|
|
|
|
m_backgroundBrush = brush;
|
|
if (!m_backgroundBrush.Ok())
|
|
return;
|
|
}
|
|
|
|
void wxDC::SetLogicalFunction( int function )
|
|
{
|
|
if (m_logicalFunction == function)
|
|
return;
|
|
|
|
m_logicalFunction = function ;
|
|
#if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
if ( m_logicalFunction == wxCOPY )
|
|
CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ;
|
|
else if ( m_logicalFunction == wxINVERT )
|
|
CGContextSetBlendMode( cgContext, kCGBlendModeExclusion ) ;
|
|
else
|
|
CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ;
|
|
#endif
|
|
}
|
|
|
|
extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
|
|
const wxColour & col, int style);
|
|
|
|
bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
|
|
const wxColour& col, int style)
|
|
{
|
|
return wxDoFloodFill(this, x, y, col, style);
|
|
}
|
|
|
|
bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPixel - invalid DC") );
|
|
|
|
wxMacPortSaver helper((CGrafPtr)m_macPort) ;
|
|
RGBColor colour;
|
|
|
|
// NB: GetCPixel is a deprecated QD call, and a slow one at that
|
|
GetCPixel(
|
|
XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x,
|
|
YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour );
|
|
|
|
// convert from Mac colour to wx
|
|
col->Set( colour.red >> 8, colour.green >> 8, colour.blue >> 8 );
|
|
|
|
return true ;
|
|
}
|
|
|
|
void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLine - invalid DC") );
|
|
|
|
#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
#endif
|
|
|
|
wxCoord xx1 = XLOG2DEVMAC(x1) ;
|
|
wxCoord yy1 = YLOG2DEVMAC(y1) ;
|
|
wxCoord xx2 = XLOG2DEVMAC(x2) ;
|
|
wxCoord yy2 = YLOG2DEVMAC(y2) ;
|
|
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
path->MoveToPoint( xx1, yy1 ) ;
|
|
path->AddLineToPoint( xx2 , yy2 ) ;
|
|
path->CloseSubpath() ;
|
|
m_graphicContext->StrokePath( path ) ;
|
|
delete path ;
|
|
|
|
CalcBoundingBox(x1, y1);
|
|
CalcBoundingBox(x2, y2);
|
|
}
|
|
|
|
void wxDC::DoCrossHair( wxCoord x, wxCoord y )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoCrossHair - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
int w = 0, h = 0;
|
|
|
|
GetSize( &w, &h );
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
path->MoveToPoint( XLOG2DEVMAC(0), yy ) ;
|
|
path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ;
|
|
path->CloseSubpath() ;
|
|
path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ;
|
|
path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ;
|
|
path->CloseSubpath() ;
|
|
m_graphicContext->StrokePath( path ) ;
|
|
delete path ;
|
|
|
|
CalcBoundingBox(x, y);
|
|
CalcBoundingBox(x + w, y + h);
|
|
}
|
|
|
|
void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
|
|
wxCoord x2, wxCoord y2,
|
|
wxCoord xc, wxCoord yc )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawArc - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxCoord xx1 = XLOG2DEVMAC(x1);
|
|
wxCoord yy1 = YLOG2DEVMAC(y1);
|
|
wxCoord xx2 = XLOG2DEVMAC(x2);
|
|
wxCoord yy2 = YLOG2DEVMAC(y2);
|
|
wxCoord xxc = XLOG2DEVMAC(xc);
|
|
wxCoord yyc = YLOG2DEVMAC(yc);
|
|
|
|
double dx = xx1 - xxc;
|
|
double dy = yy1 - yyc;
|
|
double radius = sqrt((double)(dx * dx + dy * dy));
|
|
wxCoord rad = (wxCoord)radius;
|
|
double sa, ea;
|
|
if (xx1 == xx2 && yy1 == yy2)
|
|
{
|
|
sa = 0.0;
|
|
ea = 360.0;
|
|
}
|
|
else if (radius == 0.0)
|
|
{
|
|
sa = ea = 0.0;
|
|
}
|
|
else
|
|
{
|
|
sa = (xx1 - xxc == 0) ?
|
|
(yy1 - yyc < 0) ? 90.0 : -90.0 :
|
|
-atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG;
|
|
ea = (xx2 - xxc == 0) ?
|
|
(yy2 - yyc < 0) ? 90.0 : -90.0 :
|
|
-atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG;
|
|
}
|
|
|
|
bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
|
|
wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
|
|
CGContextRef ctx = mctx->GetNativeContext() ;
|
|
CGContextSaveGState( ctx ) ;
|
|
CGContextTranslateCTM( ctx, xxc , yyc );
|
|
CGContextScaleCTM( ctx , 1 , -1 ) ;
|
|
if ( fill )
|
|
CGContextMoveToPoint( ctx , 0 , 0 ) ;
|
|
CGContextAddArc( ctx, 0, 0 , rad , DegToRad(sa), DegToRad(ea), 0 );
|
|
if ( fill )
|
|
CGContextAddLineToPoint( ctx , 0 , 0 ) ;
|
|
CGContextRestoreGState( ctx ) ;
|
|
CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
|
|
}
|
|
|
|
void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
|
|
double sa, double ea )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipticArc - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord ww = m_signX * XLOG2DEVREL(w);
|
|
wxCoord hh = m_signY * YLOG2DEVREL(h);
|
|
|
|
// handle -ve width and/or height
|
|
if (ww < 0)
|
|
{
|
|
ww = -ww;
|
|
xx = xx - ww;
|
|
}
|
|
if (hh < 0)
|
|
{
|
|
hh = -hh;
|
|
yy = yy - hh;
|
|
}
|
|
|
|
bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
|
|
|
|
wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
|
|
CGContextRef ctx = mctx->GetNativeContext() ;
|
|
|
|
CGContextSaveGState( ctx ) ;
|
|
CGContextTranslateCTM( ctx, xx + ww / 2, yy + hh / 2 );
|
|
CGContextScaleCTM( ctx , 1 * ww / 2 , -1 * hh / 2 ) ;
|
|
if ( fill )
|
|
CGContextMoveToPoint( ctx , 0 , 0 ) ;
|
|
CGContextAddArc( ctx, 0, 0, 1, DegToRad( sa ), DegToRad( ea ), 0 );
|
|
if ( fill )
|
|
CGContextAddLineToPoint( ctx , 0 , 0 ) ;
|
|
CGContextRestoreGState( ctx ) ;
|
|
CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
|
|
}
|
|
|
|
void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPoint - invalid DC") );
|
|
|
|
DoDrawLine( x , y , x + 1 , y + 1 ) ;
|
|
}
|
|
|
|
void wxDC::DoDrawLines(int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLines - invalid DC") );
|
|
|
|
#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
#endif
|
|
|
|
wxCoord x1, x2 , y1 , y2 ;
|
|
x1 = XLOG2DEVMAC(points[0].x + xoffset);
|
|
y1 = YLOG2DEVMAC(points[0].y + yoffset);
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
path->MoveToPoint( x1 , y1 ) ;
|
|
for (int i = 1; i < n; i++)
|
|
{
|
|
x2 = XLOG2DEVMAC(points[i].x + xoffset);
|
|
y2 = YLOG2DEVMAC(points[i].y + yoffset);
|
|
|
|
path->AddLineToPoint( x2 , y2 ) ;
|
|
}
|
|
|
|
m_graphicContext->StrokePath( path ) ;
|
|
delete path ;
|
|
}
|
|
|
|
#if wxUSE_SPLINES
|
|
void wxDC::DoDrawSpline(wxList *points)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawSpline - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
|
|
wxList::compatibility_iterator node = points->GetFirst();
|
|
if (node == wxList::compatibility_iterator())
|
|
// empty list
|
|
return;
|
|
|
|
wxPoint *p = (wxPoint *)node->GetData();
|
|
|
|
wxCoord x1 = p->x;
|
|
wxCoord y1 = p->y;
|
|
|
|
node = node->GetNext();
|
|
p = (wxPoint *)node->GetData();
|
|
|
|
wxCoord x2 = p->x;
|
|
wxCoord y2 = p->y;
|
|
wxCoord cx1 = ( x1 + x2 ) / 2;
|
|
wxCoord cy1 = ( y1 + y2 ) / 2;
|
|
|
|
path->MoveToPoint( XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) ) ;
|
|
path->AddLineToPoint( XLOG2DEVMAC( cx1 ) , YLOG2DEVMAC( cy1 ) ) ;
|
|
|
|
#if !wxUSE_STL
|
|
while ((node = node->GetNext()) != NULL)
|
|
#else
|
|
while ((node = node->GetNext()))
|
|
#endif // !wxUSE_STL
|
|
{
|
|
p = (wxPoint *)node->GetData();
|
|
x1 = x2;
|
|
y1 = y2;
|
|
x2 = p->x;
|
|
y2 = p->y;
|
|
wxCoord cx4 = (x1 + x2) / 2;
|
|
wxCoord cy4 = (y1 + y2) / 2;
|
|
|
|
path->AddQuadCurveToPoint(
|
|
XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) ,
|
|
XLOG2DEVMAC( cx4 ) , YLOG2DEVMAC( cy4 ) ) ;
|
|
|
|
cx1 = cx4;
|
|
cy1 = cy4;
|
|
}
|
|
|
|
path->AddLineToPoint( XLOG2DEVMAC( x2 ) , YLOG2DEVMAC( y2 ) ) ;
|
|
|
|
m_graphicContext->StrokePath( path ) ;
|
|
delete path ;
|
|
}
|
|
#endif
|
|
|
|
void wxDC::DoDrawPolygon( int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset,
|
|
int fillStyle )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPolygon - invalid DC") );
|
|
|
|
if ( n <= 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) )
|
|
return ;
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxCoord x1, x2 , y1 , y2 ;
|
|
x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
|
|
y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
|
|
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
path->MoveToPoint( x1 , y1 ) ;
|
|
for (int i = 1; i < n; i++)
|
|
{
|
|
x2 = XLOG2DEVMAC(points[i].x + xoffset);
|
|
y2 = YLOG2DEVMAC(points[i].y + yoffset);
|
|
|
|
path->AddLineToPoint( x2 , y2 ) ;
|
|
}
|
|
|
|
if ( x1 != x2 || y1 != y2 )
|
|
path->AddLineToPoint( x1, y1 ) ;
|
|
|
|
path->CloseSubpath() ;
|
|
m_graphicContext->DrawPath( path , fillStyle ) ;
|
|
|
|
delete path ;
|
|
}
|
|
|
|
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRectangle - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord ww = m_signX * XLOG2DEVREL(width);
|
|
wxCoord hh = m_signY * YLOG2DEVREL(height);
|
|
|
|
// CMB: draw nothing if transformed w or h is 0
|
|
if (ww == 0 || hh == 0)
|
|
return;
|
|
|
|
// CMB: handle -ve width and/or height
|
|
if (ww < 0)
|
|
{
|
|
ww = -ww;
|
|
xx = xx - ww;
|
|
}
|
|
if (hh < 0)
|
|
{
|
|
hh = -hh;
|
|
yy = yy - hh;
|
|
}
|
|
|
|
wxGraphicPath* path = m_graphicContext->CreatePath() ;
|
|
path->AddRectangle( xx , yy , ww , hh ) ;
|
|
m_graphicContext->DrawPath( path ) ;
|
|
delete path ;
|
|
}
|
|
|
|
void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height,
|
|
double radius)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRoundedRectangle - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
if (radius < 0.0)
|
|
radius = - radius * ((width < height) ? width : height);
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord ww = m_signX * XLOG2DEVREL(width);
|
|
wxCoord hh = m_signY * YLOG2DEVREL(height);
|
|
|
|
// CMB: draw nothing if transformed w or h is 0
|
|
if (ww == 0 || hh == 0)
|
|
return;
|
|
|
|
// CMB: handle -ve width and/or height
|
|
if (ww < 0)
|
|
{
|
|
ww = -ww;
|
|
xx = xx - ww;
|
|
}
|
|
if (hh < 0)
|
|
{
|
|
hh = -hh;
|
|
yy = yy - hh;
|
|
}
|
|
|
|
wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
|
|
CGContextRef ctx = mctx->GetNativeContext() ;
|
|
AddRoundedRectToPath( ctx , CGRectMake( xx , yy , ww , hh ) , radius , radius ) ;
|
|
CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
|
|
}
|
|
|
|
void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipse - invalid DC") );
|
|
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
wxCoord xx = XLOG2DEVMAC(x);
|
|
wxCoord yy = YLOG2DEVMAC(y);
|
|
wxCoord ww = m_signX * XLOG2DEVREL(width);
|
|
wxCoord hh = m_signY * YLOG2DEVREL(height);
|
|
|
|
// CMB: draw nothing if transformed w or h is 0
|
|
if (ww == 0 || hh == 0)
|
|
return;
|
|
|
|
// CMB: handle -ve width and/or height
|
|
if (ww < 0)
|
|
{
|
|
ww = -ww;
|
|
xx = xx - ww;
|
|
}
|
|
if (hh < 0)
|
|
{
|
|
hh = -hh;
|
|
yy = yy - hh;
|
|
}
|
|
|
|
wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
|
|
CGContextRef ctx = mctx->GetNativeContext() ;
|
|
CGContextSaveGState( ctx ) ;
|
|
CGContextTranslateCTM( ctx, xx + ww / 2, yy + hh / 2 );
|
|
CGContextScaleCTM( ctx , ww / 2 , hh / 2 ) ;
|
|
CGContextAddArc( ctx, 0, 0, 1, 0 , 2 * M_PI , 0 );
|
|
CGContextRestoreGState( ctx ) ;
|
|
CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
|
|
}
|
|
|
|
bool wxDC::CanDrawBitmap() const
|
|
{
|
|
return true ;
|
|
}
|
|
|
|
bool wxDC::DoBlit(
|
|
wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
|
|
wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
|
|
wxCoord xsrcMask, wxCoord ysrcMask )
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoBlit - invalid DC") );
|
|
wxCHECK_MSG( source->Ok(), false, wxT("wxDC(cg)::DoBlit - invalid source DC") );
|
|
|
|
if ( logical_func == wxNO_OP )
|
|
return true ;
|
|
|
|
if (xsrcMask == -1 && ysrcMask == -1)
|
|
{
|
|
xsrcMask = xsrc;
|
|
ysrcMask = ysrc;
|
|
}
|
|
|
|
wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ;
|
|
wxCoord xxsrc = source->XLOG2DEVMAC(xsrc) ;
|
|
wxCoord wwsrc = source->XLOG2DEVREL(width) ;
|
|
wxCoord hhsrc = source->YLOG2DEVREL(height) ;
|
|
|
|
wxCoord yydest = YLOG2DEVMAC(ydest) ;
|
|
wxCoord xxdest = XLOG2DEVMAC(xdest) ;
|
|
wxCoord wwdest = XLOG2DEVREL(width) ;
|
|
wxCoord hhdest = YLOG2DEVREL(height) ;
|
|
|
|
wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ;
|
|
if ( memdc && logical_func == wxCOPY )
|
|
{
|
|
wxBitmap blit = memdc->GetSelectedObject() ;
|
|
|
|
wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ;
|
|
|
|
wxCoord bmpwidth = blit.GetWidth();
|
|
wxCoord bmpheight = blit.GetHeight();
|
|
|
|
if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc )
|
|
{
|
|
wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ;
|
|
hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ;
|
|
if ( wwsrc > 0 && hhsrc > 0 )
|
|
{
|
|
if ( xxsrc >= 0 && yysrc >= 0 )
|
|
{
|
|
wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ;
|
|
blit = blit.GetSubBitmap( subrect ) ;
|
|
}
|
|
else
|
|
{
|
|
// in this case we'd probably have to adjust the different coordinates, but
|
|
// we have to find out proper contract first
|
|
blit = wxNullBitmap ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
blit = wxNullBitmap ;
|
|
}
|
|
}
|
|
|
|
if ( blit.Ok() )
|
|
{
|
|
CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
CGImageRef image = (CGImageRef)( blit.CGImageCreate() ) ;
|
|
HIRect r = CGRectMake( xxdest , yydest , wwdest , hhdest ) ;
|
|
HIViewDrawCGImage( cg , &r , image ) ;
|
|
CGImageRelease( image ) ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#if 0
|
|
CGContextRef cg = (wxMacCGContext*)(source->GetGraphicContext())->GetNativeContext() ;
|
|
void *data = CGBitmapContextGetData( cg ) ;
|
|
#endif
|
|
|
|
return false ; // wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
|
|
double angle)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRotatedText - invalid DC") );
|
|
wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoDrawRotatedText - no valid font set") );
|
|
|
|
if ( str.length() == 0 )
|
|
return ;
|
|
if ( m_logicalFunction != wxCOPY )
|
|
return ;
|
|
|
|
OSStatus status = noErr ;
|
|
ATSUTextLayout atsuLayout ;
|
|
UniCharCount chars = str.length() ;
|
|
UniChar* ubuf = NULL ;
|
|
|
|
#if SIZEOF_WCHAR_T == 4
|
|
wxMBConvUTF16 converter ;
|
|
#if wxUSE_UNICODE
|
|
size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
|
|
ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
|
|
converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
|
|
#else
|
|
const wxWCharBuffer wchar = str.wc_str( 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
|
|
|
|
int drawX = XLOG2DEVMAC(x) ;
|
|
int drawY = YLOG2DEVMAC(y) ;
|
|
|
|
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 );
|
|
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 ) ;
|
|
}
|
|
|
|
{
|
|
CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
ATSUAttributeTag atsuTags[] =
|
|
{
|
|
kATSUCGContextTag ,
|
|
} ;
|
|
ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
sizeof( CGContextRef ) ,
|
|
} ;
|
|
ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
|
|
{
|
|
&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 ;
|
|
|
|
if ( m_backgroundMode == wxSOLID )
|
|
{
|
|
wxGraphicPath* 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 ;
|
|
}
|
|
|
|
drawX += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
|
|
drawY += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
|
|
|
|
status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
|
|
IntToFixed(drawX) , IntToFixed(drawY) , &rect );
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
|
|
|
|
CGContextSaveGState(((wxMacCGContext*)(m_graphicContext))->GetNativeContext());
|
|
CGContextTranslateCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), drawX, drawY);
|
|
CGContextScaleCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), 1, -1);
|
|
status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
|
|
IntToFixed(0) , IntToFixed(0) );
|
|
|
|
wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
|
|
|
|
CGContextRestoreGState( ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ) ;
|
|
|
|
CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
|
|
CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
|
|
|
|
::ATSUDisposeTextLayout(atsuLayout);
|
|
|
|
#if SIZEOF_WCHAR_T == 4
|
|
free( ubuf ) ;
|
|
#endif
|
|
}
|
|
|
|
void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawText - invalid DC") );
|
|
|
|
DoDrawRotatedText( strtext , x , y , 0.0 ) ;
|
|
}
|
|
|
|
bool wxDC::CanGetTextExtent() const
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::CanGetTextExtent - invalid DC") );
|
|
|
|
return true ;
|
|
}
|
|
|
|
void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
|
|
wxCoord *descent, wxCoord *externalLeading ,
|
|
wxFont *theFont ) const
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoGetTextExtent - invalid DC") );
|
|
|
|
wxFont formerFont = m_font ;
|
|
if ( theFont )
|
|
{
|
|
// work around the const-ness
|
|
*((wxFont*)(&m_font)) = *theFont ;
|
|
MacInstallFont() ;
|
|
}
|
|
|
|
if ( str.empty() )
|
|
return ;
|
|
|
|
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 = YDEV2LOGREL( FixedToInt(textAscent + textDescent) ) ;
|
|
if ( descent )
|
|
*descent =YDEV2LOGREL( FixedToInt(textDescent) );
|
|
if ( externalLeading )
|
|
*externalLeading = 0 ;
|
|
if ( width )
|
|
*width = XDEV2LOGREL( FixedToInt(textAfter - textBefore) ) ;
|
|
|
|
::ATSUDisposeTextLayout(atsuLayout);
|
|
|
|
#if SIZEOF_WCHAR_T == 4
|
|
free( ubuf ) ;
|
|
#endif
|
|
|
|
if ( theFont )
|
|
{
|
|
// work around the constness
|
|
*((wxFont*)(&m_font)) = formerFont ;
|
|
MacInstallFont() ;
|
|
}
|
|
}
|
|
|
|
bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPartialTextExtents - invalid DC") );
|
|
|
|
widths.Empty();
|
|
widths.Add(0, text.length());
|
|
|
|
if (text.empty())
|
|
return false;
|
|
|
|
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
|
|
|
|
OSStatus status;
|
|
status = ::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 false;
|
|
|
|
widths[pos] = XDEV2LOGREL(FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ));
|
|
//unsigned char uch = s[i];
|
|
}
|
|
|
|
::ATSUDisposeTextLayout(atsuLayout);
|
|
return true;
|
|
}
|
|
|
|
wxCoord wxDC::GetCharWidth(void) const
|
|
{
|
|
wxCoord width ;
|
|
DoGetTextExtent( wxT("g") , &width , NULL , NULL , NULL , NULL ) ;
|
|
|
|
return width ;
|
|
}
|
|
|
|
wxCoord wxDC::GetCharHeight(void) const
|
|
{
|
|
wxCoord height ;
|
|
DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL ) ;
|
|
|
|
return height ;
|
|
}
|
|
|
|
void wxDC::Clear(void)
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::Clear - invalid DC") );
|
|
|
|
if (m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
|
|
{
|
|
HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ;
|
|
CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
|
|
switch ( m_backgroundBrush.MacGetBrushKind() )
|
|
{
|
|
case kwxMacBrushTheme :
|
|
{
|
|
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
|
|
if ( HIThemeSetFill != 0 )
|
|
{
|
|
HIThemeSetFill( m_backgroundBrush.MacGetTheme(), NULL, cg, kHIThemeOrientationNormal );
|
|
CGContextFillRect(cg, rect);
|
|
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
RGBColor color;
|
|
GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme(), 32, true, &color );
|
|
CGContextSetRGBFillColor( cg, (CGFloat) color.red / 65536,
|
|
(CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 );
|
|
CGContextFillRect( cg, rect );
|
|
}
|
|
|
|
// reset to normal value
|
|
RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
|
|
CGContextSetRGBFillColor( cg, col.red / 65536.0, col.green / 65536.0, col.blue / 65536.0, 1.0 );
|
|
}
|
|
break ;
|
|
|
|
case kwxMacBrushThemeBackground :
|
|
{
|
|
wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ;
|
|
|
|
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
|
|
if ( UMAGetSystemVersion() >= 0x1030 )
|
|
{
|
|
HIThemeBackgroundDrawInfo drawInfo ;
|
|
drawInfo.version = 0 ;
|
|
drawInfo.state = kThemeStateActive ;
|
|
drawInfo.kind = m_backgroundBrush.MacGetThemeBackground( NULL ) ;
|
|
if ( drawInfo.kind == kThemeBackgroundMetal )
|
|
{
|
|
HIThemeDrawBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ;
|
|
HIThemeApplyBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
break ;
|
|
|
|
case kwxMacBrushColour :
|
|
{
|
|
// FIXME: doesn't correctly render stippled brushes !!
|
|
// FIXME: should this be replaced by ::SetBrush() ??
|
|
|
|
RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ;
|
|
CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
|
|
CGContextFillRect(cg, rect);
|
|
|
|
// reset to normal value
|
|
col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
|
|
CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
|
|
}
|
|
break ;
|
|
|
|
default :
|
|
wxFAIL_MSG( wxT("unknown brush kind") ) ;
|
|
break ;
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDC::MacInstallFont() const
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("wxDC(cg)::MacInstallFont - invalid DC") );
|
|
|
|
if ( m_macATSUIStyle )
|
|
{
|
|
::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
|
|
m_macATSUIStyle = NULL ;
|
|
}
|
|
|
|
if ( m_font.Ok() )
|
|
{
|
|
OSStatus status ;
|
|
|
|
status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
|
|
|
|
wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ) ;
|
|
|
|
Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
|
|
RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColour.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") ) ;
|
|
}
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// coordinates transformations
|
|
// ---------------------------------------------------------------------------
|
|
|
|
wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
|
|
{
|
|
return ((wxDC *)this)->XDEV2LOG(x);
|
|
}
|
|
|
|
wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
|
|
{
|
|
return ((wxDC *)this)->YDEV2LOG(y);
|
|
}
|
|
|
|
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
|
|
{
|
|
return ((wxDC *)this)->XDEV2LOGREL(x);
|
|
}
|
|
|
|
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
|
|
{
|
|
return ((wxDC *)this)->YDEV2LOGREL(y);
|
|
}
|
|
|
|
wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
|
|
{
|
|
return ((wxDC *)this)->XLOG2DEV(x);
|
|
}
|
|
|
|
wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
|
|
{
|
|
return ((wxDC *)this)->YLOG2DEV(y);
|
|
}
|
|
|
|
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
|
|
{
|
|
return ((wxDC *)this)->XLOG2DEVREL(x);
|
|
}
|
|
|
|
wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
|
|
{
|
|
return ((wxDC *)this)->YLOG2DEVREL(y);
|
|
}
|
|
|
|
#endif // wxMAC_USE_CORE_GRAPHICS
|