AuroraMiddleware/wxWidgets
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Refactor the code that decides if the 0.5 offset chousl be applied

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into its own method


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42388 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn 2006-10-25 06:55:17 +00:00
parent eb3e358db8
commit de3cb39f85
2 changed files with 22 additions and 18 deletions
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6
include/wx/graphics.h
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@ -263,8 +263,12 @@ public:
// draws a rounded rectangle
virtual void DrawRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius);
// wrappers using wxPoint2DDouble TODO
// wrappers using wxPoint2DDouble TODO
// helper to determine if a 0.5 offset should be applied for the drawing operation
virtual bool ShouldOffset() const { return false; }
DECLARE_NO_COPY_CLASS(wxGraphicsContext)
DECLARE_ABSTRACT_CLASS(wxGraphicsContext)
};

34
src/mac/carbon/graphics.cpp
View File

@ -290,6 +290,18 @@ public:
void SetNativeContext( CGContextRef cg );
CGPathDrawingMode GetDrawingMode() const { return m_mode; }
virtual bool ShouldOffset() const
{
int penwidth = m_pen.GetWidth();
if ( penwidth == 0 )
penwidth = 1;
if ( m_pen.GetStyle() == wxTRANSPARENT )
penwidth = 0;
return ( penwidth % 2 ) == 1;
}
DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
@ -446,15 +458,9 @@ void wxMacCoreGraphicsContext::ResetClip()
void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *path )
{
EnsureIsValid();
int width = m_pen.GetWidth();
if ( width == 0 )
width = 1 ;
if ( m_pen.GetStyle() == wxTRANSPARENT )
width = 0 ;
bool offset = ( width % 2 ) == 1 ;
EnsureIsValid();
bool offset = ShouldOffset();
if ( offset )
CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
@ -479,14 +485,8 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *path , int fillSt
else if ( mode == kCGPathFillStroke )
mode = kCGPathEOFillStroke;
}
int width = m_pen.GetWidth();
if ( width == 0 )
width = 1 ;
if ( m_pen.GetStyle() == wxTRANSPARENT )
width = 0 ;
bool offset = ( width % 2 ) == 1 ;
bool offset = ShouldOffset();
if ( offset )
CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );