X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2fc9c1ea77eb02938debb6d4c2bdebd052309cc2..79b7701c0bc547dc4b579258c7116700e5925162:/src/generic/graphicc.cpp diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp index aa3269a4c8..9b9e88b22f 100644 --- a/src/generic/graphicc.cpp +++ b/src/generic/graphicc.cpp @@ -19,6 +19,10 @@ #include "wx/graphics.h" +#if wxUSE_CAIRO + +#include "wx/cairo.h" + #ifndef WX_PRECOMP #include "wx/bitmap.h" #include "wx/icon.h" @@ -60,6 +64,10 @@ using namespace std; #endif #include +#ifdef __WXMSW__ +#include +#endif + #ifdef __WXGTK__ #include #include "wx/fontutil.h" @@ -240,14 +248,20 @@ public: ~wxCairoBrushData (); virtual void Apply( wxGraphicsContext* context ); - 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); protected: virtual void Init(); + // common part of Create{Linear,Radial}GradientBrush() + void AddGradientStops(const wxGraphicsGradientStops& stops); + private : double m_red; double m_green; @@ -284,12 +298,16 @@ private : cairo_font_slant_t m_slant; cairo_font_weight_t m_weight; #endif +#ifdef __WXMSW__ + wxCairoContext( wxGraphicsRenderer* renderer, HDC context ); +#endif }; class wxCairoBitmapData : public wxGraphicsObjectRefData { public: wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ); + wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ); ~wxCairoBitmapData(); virtual cairo_surface_t* GetCairoSurface() { return m_surface; } @@ -330,6 +348,9 @@ public: } virtual void Clip( const wxRegion ®ion ); +#ifdef __WXMSW__ + cairo_surface_t* m_mswSurface; +#endif // clips drawings to the rect virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); @@ -346,7 +367,7 @@ public: virtual void BeginLayer(wxDouble opacity); virtual void EndLayer(); - + virtual void StrokePath( const wxGraphicsPath& p ); virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE ); @@ -363,6 +384,7 @@ public: // gets the matrix of this context virtual wxGraphicsMatrix GetTransform() const; + virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); virtual void PushState(); @@ -379,7 +401,7 @@ private: void Init(cairo_t *context); cairo_t* m_context; - + wxVector m_layerOpacities; wxDECLARE_NO_COPY_CLASS(wxCairoContext); @@ -667,26 +689,50 @@ void wxCairoBrushData::Apply( wxGraphicsContext* context ) } } -void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2 ) +void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops) +{ + // loop over all the stops, they include the beginning and ending ones + const unsigned numStops = stops.GetCount(); + for ( unsigned n = 0; n < numStops; n++ ) + { + const wxGraphicsGradientStop stop = stops.Item(n); + + const wxColour col = stop.GetColour(); + + cairo_pattern_add_color_stop_rgba + ( + m_brushPattern, + stop.GetPosition(), + col.Red()/255.0, + col.Green()/255.0, + col.Blue()/255.0, + col.Alpha()/255.0 + ); + } + + wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, + wxT("Couldn't create cairo pattern")); +} + +void +wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2); - cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,c1.Red()/255.0, - c1.Green()/255.0, c1.Blue()/255.0,c1.Alpha()/255.0); - cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,c2.Red()/255.0, - c2.Green()/255.0, c2.Blue()/255.0,c2.Alpha()/255.0); - wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern")); + + AddGradientStops(stops); } -void wxCairoBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor ) +void +wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius); - cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,oColor.Red()/255.0, - oColor.Green()/255.0, oColor.Blue()/255.0,oColor.Alpha()/255.0); - cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,cColor.Red()/255.0, - cColor.Green()/255.0, cColor.Blue()/255.0,cColor.Alpha()/255.0); - wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern")); + + AddGradientStops(stops); } void wxCairoBrushData::Init() @@ -883,9 +929,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) } } -bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const +bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const { - return cairo_in_stroke( m_pathContext, x, y) != 0; + cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING); + return cairo_in_fill( m_pathContext, x, y) != 0; } //----------------------------------------------------------------------------- @@ -1013,16 +1060,22 @@ void * wxCairoMatrixData::GetNativeMatrix() const // wxCairoBitmap implementation //----------------------------------------------------------------------------- +wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) : + wxGraphicsObjectRefData( renderer ) +{ + m_surface = bitmap; + m_pattern = cairo_pattern_create_for_surface(m_surface); +} + wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer ) { wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap")); - cairo_surface_t* surface; - int bw = bmp.GetWidth(); - int bh = bmp.GetHeight(); + int bw = m_width = bmp.GetWidth(); + int bh = m_height = bmp.GetHeight(); wxBitmap bmpSource = bmp; // we need a non-const instance m_buffer = new unsigned char[bw*bh*4]; - wxUint32* data = (wxUint32*)buffer; + wxUint32* data = (wxUint32*)m_buffer; // Create a surface object and copy the bitmap pixel data to it. if the // image has alpha (or a mask represented as alpha) then we'll use a @@ -1084,12 +1137,17 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm p.OffsetY(pixData, 1); } } + m_pattern = cairo_pattern_create_for_surface(m_surface); } wxCairoBitmapData::~wxCairoBitmapData() { - cairo_pattern_destroy(m_pattern); - cairo_surface_destroy(m_surface); + if (m_pattern) + cairo_pattern_destroy(m_pattern); + + if (m_surface) + cairo_surface_destroy(m_surface); + delete [] m_buffer; } @@ -1214,6 +1272,18 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawa } #endif +#ifdef __WXMSW__ +wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle ) +: wxGraphicsContext(renderer) +{ + m_mswSurface = cairo_win32_surface_create(handle); + m_context = cairo_create(m_mswSurface); + PushState(); + PushState(); +} +#endif + + wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context ) : wxGraphicsContext(renderer) { @@ -1245,9 +1315,17 @@ wxCairoContext::~wxCairoContext() if ( m_context ) { PopState(); +#ifdef __WXMSW__ + m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle()); + m_context = cairo_create(m_mswSurface); +#endif PopState(); cairo_destroy(m_context); } +#ifdef __WXMSW__ + if ( m_mswSurface ) + cairo_surface_destroy(m_mswSurface); +#endif } void wxCairoContext::Init(cairo_t *context) @@ -1376,7 +1454,7 @@ void wxCairoContext::PopState() void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp); - DrawGraphicsBitmapInternal(bitmap, x, y, w, h); + DrawBitmap(bitmap, x, y, w, h); } @@ -1393,10 +1471,10 @@ void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDoubl wxDouble scaleX = w / size.GetWidth(); wxDouble scaleY = h / size.GetHeight(); - cairo_scale(m_context, scaleX, scaleY); // prepare to draw the image cairo_translate(m_context, x, y); + cairo_scale(m_context, scaleX, scaleY); cairo_set_source(m_context, pattern); // use the original size here since the context is scaled already... cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight()); @@ -1436,8 +1514,8 @@ void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y) wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData(); pango_layout_set_font_description( layout, font_data->GetFont()); pango_layout_set_text(layout, data, datalen); - - if (font_data->GetUnderlined()) + + if (font_data->GetUnderlined()) { PangoAttrList *attrs = pango_attr_list_new(); PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); @@ -1563,7 +1641,7 @@ bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias) return true; m_antialias = antialias; - + cairo_antialias_t antialiasMode; switch (antialias) { @@ -1584,7 +1662,7 @@ bool wxCairoContext::SetCompositionMode(wxCompositionMode op) { if ( m_composition == op ) return true; - + m_composition = op; cairo_operator_t cop; switch (op) @@ -1648,7 +1726,7 @@ void wxCairoContext::EndLayer() cairo_pop_group_to_source(m_context); cairo_paint_with_alpha(m_context,opacity); } - + //----------------------------------------------------------------------------- // wxCairoRenderer declaration //----------------------------------------------------------------------------- @@ -1688,14 +1766,16 @@ 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) ; + virtual wxGraphicsBrush + CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); - // 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 + 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 ) ; @@ -1703,6 +1783,9 @@ public : // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ); + // 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 ); @@ -1721,13 +1804,6 @@ static wxCairoRenderer gs_cairoGraphicsRenderer; extern wxGraphicsRenderer* gCairoRenderer; wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer; -#ifdef __WXGTK__ -wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() -{ - return &gs_cairoGraphicsRenderer; -} -#endif - wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc) { return new wxCairoContext(this,dc); @@ -1752,7 +1828,12 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc) wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context ) { +#ifdef __WXMSW__ + return new wxCairoContext(this,(HDC)context); +#endif +#ifdef __WXGTK__ return new wxCairoContext(this,(cairo_t*)context); +#endif } @@ -1826,25 +1907,26 @@ wxGraphicsBrush wxCairoRenderer::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 wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) +wxGraphicsBrush +wxCairoRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { wxGraphicsBrush p; wxCairoBrushData* d = new wxCairoBrushData( 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 wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +wxGraphicsBrush +wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, wxDouble r, + const wxGraphicsGradientStops& stops) { wxGraphicsBrush p; wxCairoBrushData* d = new wxCairoBrushData( this ); - d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops); p.SetRefData(d); return p; } @@ -1862,7 +1944,7 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour return wxNullGraphicsFont; } -wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp ) +wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp ) { if ( bmp.Ok() ) { @@ -1874,10 +1956,50 @@ wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp ) return wxNullGraphicsBitmap; } -wxGraphicsBitmap wxGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap ) +{ + if ( bitmap != NULL ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap )); + return p; + } + else + return wxNullGraphicsBitmap; +} + +wxGraphicsBitmap +wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap), + wxDouble WXUNUSED(x), + wxDouble WXUNUSED(y), + wxDouble WXUNUSED(w), + wxDouble WXUNUSED(h)) { wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented."); return wxNullGraphicsBitmap; } -#endif // wxUSE_GRAPHICS_CONTEXT +wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer() +{ + return &gs_cairoGraphicsRenderer; +} + +#else // !wxUSE_CAIRO + +wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer() +{ + return NULL; +} + +#endif // wxUSE_CAIRO/!wxUSE_CAIRO + +// MSW and OS X have their own native default renderers, but the other ports +// use Cairo by default +#if !(defined(__WXMSW__) || defined(__WXOSX__)) +wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() +{ + return GetCairoRenderer(); +} +#endif // !(__WXMSW__ || __WXOSX__) + +#endif // wxUSE_GRAPHICS_CONTEXT