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adding Robert Lang's native CG-Bezier patch

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35502 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2005-09-14 12:05:48 +00:00
parent fea3713c03
commit e828c96ac2
2 changed files with 69 additions and 0 deletions
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5
include/wx/mac/carbon/dc.h
View File

@@ -54,6 +54,8 @@ public :
virtual void AddLineToPoint( wxCoord x1 , wxCoord y1 ) = 0 ;
virtual void AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) = 0 ;
virtual void AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
virtual void AddCircle( wxCoord x, wxCoord y , wxCoord r ) = 0 ;
@@ -237,6 +239,9 @@ protected:
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
virtual void DoDrawPoint(wxCoord x, wxCoord y);
#if wxMAC_USE_CORE_GRAPHICS && wxUSE_SPLINES
virtual void DoDrawSpline(wxList *points);
#endif
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
virtual void DoDrawArc(wxCoord x1, wxCoord y1,

64
src/mac/carbon/dccg.cpp
View File

@@ -157,6 +157,11 @@ void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 )
CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ;
}
void wxMacCGPath::AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 )
{
CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x1 , y1 );
}
void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
{
CGRect cgRect = { { x , y } , { w , h } } ;
@@ -1421,6 +1426,65 @@ void wxDC::DoDrawLines(int n, wxPoint points[],
delete path ;
}
#if wxUSE_SPLINES
void wxDC::DoDrawSpline(wxList *points)
{
wxCHECK_RET(Ok(), wxT("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 ) , XLOG2DEVMAC( y1 ) ) ;
path->AddLineToPoint( XLOG2DEVMAC( cx1 ) , XLOG2DEVMAC( 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 ) , XLOG2DEVMAC( y1 ) ,
XLOG2DEVMAC( cx4 ) , XLOG2DEVMAC( cy4 ) ) ;
cx1 = cx4;
cy1 = cy4;
}
path->AddLineToPoint( XLOG2DEVMAC( x2 ) , XLOG2DEVMAC( y2 ) ) ;
m_graphicContext->StrokePath( path ) ;
delete path ;
}
#endif
void wxDC::DoDrawPolygon(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
int fillStyle )