X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f5008769d6ba48ecb78c287715bec5533c2eb32a..423adfde5464b1c0d053f40cdac6768ae3a15abb:/src/generic/graphicc.cpp diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp index dd64d2706e..c7bbf5cbcf 100644 --- a/src/generic/graphicc.cpp +++ b/src/generic/graphicc.cpp @@ -19,12 +19,19 @@ #include "wx/graphics.h" +#if wxUSE_CAIRO + +#include "wx/cairo.h" + #ifndef WX_PRECOMP #include "wx/bitmap.h" #include "wx/icon.h" #include "wx/dcclient.h" #include "wx/dcmemory.h" #include "wx/dcprint.h" + #ifdef __WXGTK__ + #include "wx/window.h" + #endif #endif #include "wx/private/graphics.h" @@ -60,6 +67,10 @@ using namespace std; #endif #include +#ifdef __WXMSW__ +#include +#endif + #ifdef __WXGTK__ #include #include "wx/fontutil.h" @@ -240,14 +251,20 @@ 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 +301,16 @@ 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; } @@ -319,6 +340,9 @@ public: virtual bool ShouldOffset() const { + if ( !m_enableOffset ) + return false; + int penwidth = 0 ; if ( !m_pen.IsNull() ) { @@ -330,6 +354,9 @@ 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 +373,7 @@ 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 ); @@ -380,7 +407,7 @@ private: void Init(cairo_t *context); cairo_t* m_context; - + wxVector m_layerOpacities; wxDECLARE_NO_COPY_CLASS(wxCairoContext); @@ -668,26 +695,50 @@ 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() @@ -740,7 +791,7 @@ void wxCairoFontData::Apply( wxGraphicsContext* context ) cairo_set_font_face(ctext, m_font); cairo_set_font_size(ctext, m_size ); #else - cairo_select_font_face(ctext, m_fontName, m_slant, m_weights ); + cairo_select_font_face(ctext, m_fontName, m_slant, m_weight ); cairo_set_font_size(ctext, m_size ); #endif } @@ -884,9 +935,10 @@ 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; } //----------------------------------------------------------------------------- @@ -1014,13 +1066,20 @@ 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(); +#ifdef wxHAS_RAW_BITMAP + 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*)m_buffer; @@ -1085,12 +1144,18 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm p.OffsetY(pixData, 1); } } + m_pattern = cairo_pattern_create_for_surface(m_surface); +#endif // wxHAS_RAW_BITMAP } 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; } @@ -1127,6 +1192,10 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& const wxDCImpl *impl = dc.GetImpl(); Init( (cairo_t*) impl->GetCairoContext() ); + wxSize sz = dc.GetSize(); + m_width = sz.x; + m_height = sz.y; + wxPoint org = dc.GetDeviceOrigin(); cairo_translate( m_context, org.x, org.y ); @@ -1142,6 +1211,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc ) : wxGraphicsContext(renderer) { + int width, height; + dc.GetSize( &width, &height ); + m_width = width; + m_height = height; + + m_enableOffset = true; + #ifdef __WXGTK20__ wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl(); Init( gdk_cairo_create( impldc->GetGDKWindow() ) ); @@ -1164,8 +1240,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& #endif #ifdef __WXMAC__ - int width, height; - dc.GetSize( &width, &height ); CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef(); cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height); Init( cairo_create( surface ) ); @@ -1176,6 +1250,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc ) : wxGraphicsContext(renderer) { + int width, height; + dc.GetSize( &width, &height ); + m_width = width; + m_height = height; + + m_enableOffset = true; + #ifdef __WXGTK20__ wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl(); Init( gdk_cairo_create( impldc->GetGDKWindow() ) ); @@ -1198,8 +1279,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& #endif #ifdef __WXMAC__ - int width, height; - dc.GetSize( &width, &height ); CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef(); cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height); Init( cairo_create( surface ) ); @@ -1212,18 +1291,38 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawa : wxGraphicsContext(renderer) { Init( gdk_cairo_create( drawable ) ); + + int width, height; + gdk_drawable_get_size( drawable, &width, &height ); + m_width = width; + m_height = height; +} +#endif + +#ifdef __WXMSW__ +wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle ) +: wxGraphicsContext(renderer) +{ + m_mswSurface = cairo_win32_surface_create(handle); + Init( cairo_create(m_mswSurface) ); + m_width = + m_height = 0; } #endif + wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context ) : wxGraphicsContext(renderer) { Init( context ); + m_width = + m_height = 0; } wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window) : wxGraphicsContext(renderer) { + m_enableOffset = true; #ifdef __WXGTK__ // something along these lines (copied from dcclient) @@ -1238,6 +1337,10 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window) wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") ); Init(gdk_cairo_create(window->GTKGetDrawingWindow())); + + wxSize sz = window->GetSize(); + m_width = sz.x; + m_height = sz.y; #endif } @@ -1246,9 +1349,17 @@ 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) @@ -1394,10 +1505,10 @@ 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()); @@ -1437,8 +1548,8 @@ 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); @@ -1564,7 +1675,7 @@ bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias) return true; m_antialias = antialias; - + cairo_antialias_t antialiasMode; switch (antialias) { @@ -1585,7 +1696,7 @@ bool wxCairoContext::SetCompositionMode(wxCompositionMode op) { if ( m_composition == op ) return true; - + m_composition = op; cairo_operator_t cop; switch (op) @@ -1649,7 +1760,7 @@ void wxCairoContext::EndLayer() cairo_pop_group_to_source(m_context); cairo_paint_with_alpha(m_context,opacity); } - + //----------------------------------------------------------------------------- // wxCairoRenderer declaration //----------------------------------------------------------------------------- @@ -1689,14 +1800,16 @@ 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 ) ; @@ -1704,6 +1817,9 @@ 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 ); @@ -1722,13 +1838,6 @@ 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); @@ -1753,7 +1862,11 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc) wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context ) { +#ifdef __WXMSW__ + return new wxCairoContext(this,(HDC)context); +#else return new wxCairoContext(this,(cairo_t*)context); +#endif } @@ -1827,25 +1940,26 @@ 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; } @@ -1875,10 +1989,50 @@ wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp ) return wxNullGraphicsBitmap; } -wxGraphicsBitmap wxCairoRenderer::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