fix warnings about hiding virtual wxGraphicsContext::DrawText() overloads by using different names for the implementation functions

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56753 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-11-13 12:16:39 +00:00
parent caa42c43d0
commit 0b7dce5480
5 changed files with 226 additions and 172 deletions

View File

@@ -57,70 +57,70 @@ class WXDLLIMPEXP_FWD_CORE wxGraphicsPathData;
class WXDLLIMPEXP_CORE wxGraphicsObject : public wxObject
{
public :
wxGraphicsObject() ;
wxGraphicsObject( wxGraphicsRenderer* renderer ) ;
virtual ~wxGraphicsObject() ;
public:
wxGraphicsObject();
wxGraphicsObject( wxGraphicsRenderer* renderer );
virtual ~wxGraphicsObject();
bool IsNull() const ;
bool IsNull() const;
// returns the renderer that was used to create this instance, or NULL if it has not been initialized yet
wxGraphicsRenderer* GetRenderer() const ;
wxGraphicsObjectRefData* GetGraphicsData() const ;
protected :
wxGraphicsRenderer* GetRenderer() const;
wxGraphicsObjectRefData* GetGraphicsData() const;
protected:
virtual wxObjectRefData* CreateRefData() const;
virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
DECLARE_DYNAMIC_CLASS(wxGraphicsObject)
} ;
};
class WXDLLIMPEXP_CORE wxGraphicsPen : public wxGraphicsObject
{
public :
public:
wxGraphicsPen() {}
virtual ~wxGraphicsPen() {}
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsPen)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsPen) wxNullGraphicsPen;
class WXDLLIMPEXP_CORE wxGraphicsBrush : public wxGraphicsObject
{
public :
public:
wxGraphicsBrush() {}
virtual ~wxGraphicsBrush() {}
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsBrush)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsBrush) wxNullGraphicsBrush;
class WXDLLIMPEXP_CORE wxGraphicsFont : public wxGraphicsObject
{
public :
public:
wxGraphicsFont() {}
virtual ~wxGraphicsFont() {}
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsFont)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsFont) wxNullGraphicsFont;
class WXDLLIMPEXP_CORE wxGraphicsBitmap : public wxGraphicsObject
{
public :
public:
wxGraphicsBitmap() {}
virtual ~wxGraphicsBitmap() {}
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsBitmap)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsBitmap) wxNullGraphicsBitmap;
class WXDLLIMPEXP_CORE wxGraphicsMatrix : public wxGraphicsObject
{
public :
public:
wxGraphicsMatrix() {}
virtual ~wxGraphicsMatrix() {}
@@ -178,15 +178,15 @@ public :
wxGraphicsMatrixData* GetMatrixData()
{ return (wxGraphicsMatrixData*) GetRefData(); }
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsMatrix)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsMatrix) wxNullGraphicsMatrix;
class WXDLLIMPEXP_CORE wxGraphicsPath : public wxGraphicsObject
{
public :
public:
wxGraphicsPath() {}
virtual ~wxGraphicsPath() {}
@@ -203,21 +203,21 @@ public :
void AddLineToPoint( const wxPoint2DDouble& p);
// adds a cubic Bezier curve from the current point, using two control points and an end point
virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) ;
virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
void AddCurveToPoint( const wxPoint2DDouble& c1, const wxPoint2DDouble& c2, const wxPoint2DDouble& e);
// adds another path
virtual void AddPath( const wxGraphicsPath& path );
// closes the current sub-path
virtual void CloseSubpath() ;
virtual void CloseSubpath();
// gets the last point of the current path, (0,0) if not yet set
virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
wxPoint2DDouble GetCurrentPoint() const;
// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) ;
virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
void AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise);
//
@@ -235,7 +235,7 @@ public :
virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
// appends a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ;
virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
// appends an ellipse
virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h);
@@ -264,9 +264,9 @@ public :
wxGraphicsPathData* GetPathData()
{ return (wxGraphicsPathData*) GetRefData(); }
private :
private:
DECLARE_DYNAMIC_CLASS(wxGraphicsPath)
} ;
};
extern WXDLLIMPEXP_DATA_CORE(wxGraphicsPath) wxNullGraphicsPath;
@@ -278,23 +278,23 @@ public:
virtual ~wxGraphicsContext();
static wxGraphicsContext* Create( const wxWindowDC& dc) ;
static wxGraphicsContext * Create( const wxMemoryDC& dc) ;
static wxGraphicsContext* Create( const wxWindowDC& dc);
static wxGraphicsContext * Create( const wxMemoryDC& dc);
#if wxUSE_PRINTING_ARCHITECTURE
static wxGraphicsContext * Create( const wxPrinterDC& dc) ;
static wxGraphicsContext * Create( const wxPrinterDC& dc);
#endif
static wxGraphicsContext* CreateFromNative( void * context ) ;
static wxGraphicsContext* CreateFromNative( void * context );
static wxGraphicsContext* CreateFromNativeWindow( void * window ) ;
static wxGraphicsContext* CreateFromNativeWindow( void * window );
static wxGraphicsContext* Create( wxWindow* window ) ;
static wxGraphicsContext* Create( wxWindow* window );
// create a context that can be used for measuring texts only, no drawing allowed
static wxGraphicsContext * Create();
// begin a new document (relevant only for printing / pdf etc) if there is a progress dialog, message will be shown
virtual bool StartDoc( const wxString& message ) ;
virtual bool StartDoc( const wxString& message );
// done with that document (relevant only for printing / pdf etc)
virtual void EndDoc();
@@ -350,7 +350,7 @@ public:
virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) = 0;
// resets the clipping to original extent
virtual void ResetClip() = 0 ;
virtual void ResetClip() = 0;
// returns the native context
virtual void * GetNativeContext() = 0;
@@ -359,7 +359,7 @@ public:
virtual int GetLogicalFunction() const { return m_logicalFunction; }
// sets the current logical function, returns true if it supported
virtual bool SetLogicalFunction(int function) ;
virtual bool SetLogicalFunction(int function);
// returns the size of the graphics context in device coordinates
virtual void GetSize( wxDouble* width, wxDouble* height);
@@ -428,13 +428,20 @@ public:
// text
//
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y ) = 0;
void DrawText( const wxString &str, wxDouble x, wxDouble y )
{ DoDrawText(str, x, y); }
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
{ DoDrawRotatedText(str, x, y, angle); }
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& backgroundBrush ) ;
void DrawText( const wxString &str, wxDouble x, wxDouble y,
const wxGraphicsBrush& backgroundBrush )
{ DoDrawFilledText(str, x, y, backgroundBrush); }
void DrawText( const wxString &str, wxDouble x, wxDouble y,
wxDouble angle, const wxGraphicsBrush& backgroundBrush )
{ DoDrawRotatedFilledText(str, x, y, angle, backgroundBrush); }
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle, const wxGraphicsBrush& backgroundBrush );
virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const = 0;
@@ -483,14 +490,27 @@ public:
// helper to determine if a 0.5 offset should be applied for the drawing operation
virtual bool ShouldOffset() const { return false; }
protected :
protected:
wxGraphicsPen m_pen;
wxGraphicsBrush m_brush;
wxGraphicsFont m_font;
int m_logicalFunction;
private :
private:
// implementations of overloaded public functions: we use different names
// for them to avoid the virtual function hiding problems in the derived
// classes
virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y) = 0;
virtual void DoDrawRotatedText(const wxString& str, wxDouble x, wxDouble y,
wxDouble angle);
virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y,
const wxGraphicsBrush& backgroundBrush);
virtual void DoDrawRotatedFilledText(const wxString& str,
wxDouble x, wxDouble y,
wxDouble angle,
const wxGraphicsBrush& backgroundBrush);
DECLARE_NO_COPY_CLASS(wxGraphicsContext)
DECLARE_ABSTRACT_CLASS(wxGraphicsContext)
};
@@ -503,10 +523,10 @@ private :
class WXDLLIMPEXP_CORE wxGraphicsFigure : public wxGraphicsObject
{
public :
wxGraphicsFigure(wxGraphicsRenderer* renderer) ;
public:
wxGraphicsFigure(wxGraphicsRenderer* renderer);
virtual ~wxGraphicsFigure() ;
virtual ~wxGraphicsFigure();
void SetPath( wxGraphicsMatrix* matrix );
@@ -521,12 +541,12 @@ public :
// returns the transformation matrix of this object, may be null if there is no transformation necessary
wxGraphicsMatrix* GetMatrix() { return m_matrix; }
private :
private:
wxGraphicsMatrix* m_matrix;
wxGraphicsPath* m_path;
DECLARE_DYNAMIC_CLASS(wxGraphicsFigure)
} ;
};
#endif
@@ -538,7 +558,7 @@ private :
class WXDLLIMPEXP_CORE wxGraphicsRenderer : public wxObject
{
public :
public:
wxGraphicsRenderer() {}
virtual ~wxGraphicsRenderer() {}
@@ -547,10 +567,10 @@ public :
// Context
virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ;
virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0 ;
virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0;
virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0;
#if wxUSE_PRINTING_ARCHITECTURE
virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0 ;
virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0;
#endif
virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ) = 0;
@@ -573,9 +593,9 @@ public :
// Paints
virtual wxGraphicsPen CreatePen(const wxPen& pen) = 0 ;
virtual wxGraphicsPen CreatePen(const wxPen& pen) = 0;
virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) = 0 ;
virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) = 0;
// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
@@ -598,10 +618,10 @@ public :
#endif
private :
private:
DECLARE_NO_COPY_CLASS(wxGraphicsRenderer)
DECLARE_ABSTRACT_CLASS(wxGraphicsRenderer)
} ;
};
#endif

View File

@@ -613,7 +613,11 @@ void wxGraphicsContext::DrawPath( const wxGraphicsPath& path, int fillStyle )
StrokePath( path );
}
void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
void
wxGraphicsContext::DoDrawRotatedText(const wxString &str,
wxDouble x,
wxDouble y,
wxDouble angle)
{
Translate(x,y);
Rotate( -angle );
@@ -622,7 +626,11 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w
Translate(-x,-y);
}
void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& backgroundBrush )
void
wxGraphicsContext::DoDrawFilledText(const wxString &str,
wxDouble x,
wxDouble y,
const wxGraphicsBrush& backgroundBrush)
{
wxGraphicsBrush formerBrush = m_brush;
wxGraphicsPen formerPen = m_pen;
@@ -644,7 +652,11 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, c
SetPen( formerPen );
}
void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle, const wxGraphicsBrush& backgroundBrush )
void
wxGraphicsContext::DoDrawRotatedFilledText(const wxString &str,
wxDouble x, wxDouble y,
wxDouble angle,
const wxGraphicsBrush& backgroundBrush)
{
wxGraphicsBrush formerBrush = m_brush;
wxGraphicsPen formerPen = m_pen;

View File

@@ -311,8 +311,6 @@ private :
class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
{
DECLARE_NO_COPY_CLASS(wxCairoContext)
public:
wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
@@ -370,7 +368,6 @@ public:
virtual void PushState();
virtual void PopState();
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y);
virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const;
virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
@@ -378,7 +375,11 @@ public:
private:
void Init(cairo_t *context);
virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
cairo_t* m_context;
DECLARE_NO_COPY_CLASS(wxCairoContext)
};
//-----------------------------------------------------------------------------
@@ -1390,20 +1391,23 @@ void wxCairoContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDou
}
void wxCairoContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::DrawText - no valid font set") );
wxCHECK_RET( !m_font.IsNull(),
wxT("wxCairoContext::DrawText - no valid font set") );
if ( str.empty())
return;
#ifdef __WXGTK__
const wxCharBuffer data = str.utf8_str();
if ( !data )
return;
size_t datalen = strlen(data);
((wxCairoFontData*)m_font.GetRefData())->Apply(this);
#ifdef __WXGTK__
size_t datalen = strlen(data);
PangoLayout *layout = pango_cairo_create_layout (m_context);
pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
pango_layout_set_text(layout, data, datalen);
@@ -1412,15 +1416,13 @@ void wxCairoContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
g_object_unref (layout);
#else
((wxCairoFontData*)m_font.GetRefData())->Apply(this);
// Cairo's x,y for drawing text is at the baseline, so we need to adjust
// the position we move to by the ascent.
cairo_font_extents_t fe;
cairo_font_extents(m_context, &fe);
cairo_move_to(m_context, x, y+fe.ascent);
const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
cairo_show_text(m_context,buf);
cairo_show_text(m_context, data);
#endif
}

View File

@@ -323,7 +323,6 @@ public:
virtual void PushState();
virtual void PopState();
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y);
virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const;
virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
@@ -334,6 +333,11 @@ private:
void Init();
void SetDefaults();
virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y)
{ DoDrawFilledText(str, x, y, wxNullGraphicsBrush); }
virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y,
const wxGraphicsBrush& backgroundBrush);
Graphics* m_context;
GraphicsStates m_stateStack;
GraphicsState m_state1;
@@ -1270,16 +1274,31 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD
DeleteObject(iconInfo.hbmMask);
}
void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
void wxGDIPlusContext::DoDrawFilledText(const wxString& str,
wxDouble x, wxDouble y,
const wxGraphicsBrush& brush)
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::DrawText - no valid font set") );
wxCHECK_RET( !m_font.IsNull(),
wxT("wxGDIPlusContext::DrawText - no valid font set") );
if ( str.IsEmpty())
return ;
wxWCharBuffer s = str.wc_str( *wxConvUI );
m_context->DrawString( s , -1 , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont() ,
PointF( x , y ) , StringFormat::GenericTypographic() , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusBrush() );
const wxGDIPlusFontData * const
fontData = (wxGDIPlusFontData *)m_font.GetRefData();
const wxGDIPlusBrushData * const
brushData = (wxGDIPlusBrushData *)m_brush.GetRefData();
m_context->DrawString
(
str.wc_str(*wxConvUI), // string to draw, always Unicode
-1, // length: string is NUL-terminated
fontData->GetGDIPlusFont(),
PointF(x, y),
StringFormat::GenericTypographic(),
brushData ? brushData->GetGDIPlusBrush()
: fontData->GetGDIPlusBrush()
);
}
void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,

View File

@@ -1364,10 +1364,6 @@ public:
// text
//
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const;
@@ -1390,6 +1386,9 @@ public:
private:
void EnsureIsValid();
virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
virtual void DoDrawRotatedText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
CGContextRef m_cgContext;
#if wxOSX_USE_CARBON
WindowRef m_windowRef;
@@ -1944,7 +1943,7 @@ void wxMacCoreGraphicsContext::PopState()
CGContextRestoreGState( m_cgContext );
}
void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDouble y )
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
@@ -2000,7 +1999,9 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
#endif
}
void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str,
wxDouble x, wxDouble y,
wxDouble angle)
{
wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
@@ -2099,7 +2100,7 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
#endif
#if wxOSX_USE_IPHONE
// default implementation takes care of rotation and calls non rotated DrawText afterwards
wxGraphicsContext::DrawText( str, x, y, angle );
wxGraphicsContext::DoDrawRotatedText( str, x, y, angle );
#endif
}