X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f49c80c1054a2bb283690580f0ca479b6cd20272..b796194b15ddb3bd794b2150e2f2130e809ad2a6:/src/msw/graphics.cpp diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp index f1cab063cd..8eb6374851 100644 --- a/src/msw/graphics.cpp +++ b/src/msw/graphics.cpp @@ -246,16 +246,24 @@ public: wxGDIPlusBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush ); ~wxGDIPlusBrushData (); - void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2 ); - void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor ); + void CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); + void CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops); + virtual Brush* GetGDIPlusBrush() { return m_brush; } protected: virtual void Init(); -private : +private: + // common part of Create{Linear,Radial}GradientBrush() + template + void SetGradientStops(T *brush, const wxGraphicsGradientStops& stops); + Brush* m_brush; Image* m_brushImage; GraphicsPath* m_brushPath; @@ -628,28 +636,67 @@ void wxGDIPlusBrushData::Init() m_brushPath= NULL; } -void wxGDIPlusBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) +template +void +wxGDIPlusBrushData::SetGradientStops(T *brush, + const wxGraphicsGradientStops& stops) +{ + const unsigned numStops = stops.GetCount(); + if ( numStops <= 2 ) + { + // initial and final colours are set during the brush creation, nothing + // more to do + return; + } + + wxVector colors(numStops); + wxVector positions(numStops); + + for ( unsigned i = 0; i < numStops; i++ ) + { + wxGraphicsGradientStop stop = stops.Item(i); + + colors[i] = wxColourToColor(stop.GetColour()); + positions[i] = stop.GetPosition(); + } + + brush->SetInterpolationColors(&colors[0], &positions[0], numStops); +} + +void +wxGDIPlusBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { - m_brush = new LinearGradientBrush( PointF( x1,y1) , PointF( x2,y2), - Color( c1.Alpha(), c1.Red(),c1.Green() , c1.Blue() ), - Color( c2.Alpha(), c2.Red(),c2.Green() , c2.Blue() )); + LinearGradientBrush * const + brush = new LinearGradientBrush(PointF(x1, y1) , PointF(x2, y2), + wxColourToColor(stops.GetStartColour()), + wxColourToColor(stops.GetEndColour())); + m_brush = brush; + + SetGradientStops(brush, stops); } -void wxGDIPlusBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +void +wxGDIPlusBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { - // Create a path that consists of a single circle. m_brushPath = new GraphicsPath(); - m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), (REAL)(2*radius), (REAL)(2*radius)); + m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), + (REAL)(2*radius), (REAL)(2*radius)); - PathGradientBrush *b = new PathGradientBrush(m_brushPath); - m_brush = b; - b->SetCenterPoint( PointF(xo,yo)); - b->SetCenterColor(Color( oColor.Alpha(), oColor.Red(),oColor.Green() , oColor.Blue() )); + PathGradientBrush * const brush = new PathGradientBrush(m_brushPath); + m_brush = brush; + brush->SetCenterPoint(PointF(xo, yo)); + brush->SetCenterColor(wxColourToColor(stops.GetStartColour())); - Color colors[] = {Color( cColor.Alpha(), cColor.Red(),cColor.Green() , cColor.Blue() )}; + const Color col(wxColourToColor(stops.GetEndColour())); int count = 1; - b->SetSurroundColors(colors, &count); + brush->SetSurroundColors(&col, &count); + + SetGradientStops(brush, stops); } //----------------------------------------------------------------------------- @@ -1596,15 +1643,16 @@ public : virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; - // 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, - const wxColour&c1, const wxColour&c2) ; - - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) - // with radius r and color cColor - virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) ; + virtual wxGraphicsBrush + CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); + virtual wxGraphicsBrush + CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops); // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; @@ -1613,7 +1661,7 @@ public : // create a graphics bitmap from a native bitmap virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap ); - + // create a subimage from a native image representation virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); @@ -1789,27 +1837,29 @@ wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush ) } } -// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 -wxGraphicsBrush wxGDIPlusRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) +wxGraphicsBrush +wxGDIPlusRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); wxGraphicsBrush p; wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); - d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + d->CreateLinearGradientBrush(x1, y1, x2, y2, stops); p.SetRefData(d); return p; } -// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) -// with radius r and color cColor -wxGraphicsBrush wxGDIPlusRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +wxGraphicsBrush +wxGDIPlusRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); wxGraphicsBrush p; wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); - d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,stops); p.SetRefData(d); return p; }