X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1011fbebdba72e821a901a43d15fc2955b14101f..4be0198dcefaf00c7a2c59c541262a39144eb9dc:/src/generic/graphicc.cpp diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp index a4bfe01fd8..c7bbf5cbcf 100644 --- a/src/generic/graphicc.cpp +++ b/src/generic/graphicc.cpp @@ -12,63 +12,34 @@ #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_GRAPHICS_CONTEXT -#include "wx/dc.h" +#include "wx/graphics.h" + +#if wxUSE_CAIRO + +#include "wx/cairo.h" #ifndef WX_PRECOMP -#include "wx/image.h" -#include "wx/window.h" -#include "wx/dc.h" -#include "wx/utils.h" -#include "wx/dialog.h" -#include "wx/app.h" -#include "wx/bitmap.h" -#include "wx/dcmemory.h" -#include "wx/log.h" -#include "wx/icon.h" -#include "wx/dcprint.h" -#include "wx/module.h" + #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" #include "wx/rawbmp.h" - -#include +#include "wx/vector.h" using namespace std; -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- - -const double RAD2DEG = 180.0 / M_PI; - -//----------------------------------------------------------------------------- -// Local functions -//----------------------------------------------------------------------------- - -static inline double dmin(double a, double b) -{ - return a < b ? a : b; -} -static inline double dmax(double a, double b) -{ - return a > b ? a : b; -} - -static inline double DegToRad(double deg) -{ - return (deg * M_PI) / 180.0; -} -static inline double RadToDeg(double deg) -{ - return (deg * 180.0) / M_PI; -} - //----------------------------------------------------------------------------- // device context implementation // @@ -96,6 +67,10 @@ static inline double RadToDeg(double deg) #endif #include +#ifdef __WXMSW__ +#include +#endif + #ifdef __WXGTK__ #include #include "wx/fontutil.h" @@ -174,7 +149,7 @@ public : // gets the bounding box enclosing all points (possibly including control points) virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const; - virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE) const; + virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxWINDING_RULE) const; private : cairo_t* m_pathContext; @@ -264,6 +239,8 @@ private : double *m_userLengths; wxPen m_pen; + + wxDECLARE_NO_COPY_CLASS(wxCairoPenData); }; class WXDLLIMPEXP_CORE wxCairoBrushData : public wxGraphicsObjectRefData @@ -274,14 +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; @@ -300,9 +283,11 @@ public: virtual void Apply( wxGraphicsContext* context ); #ifdef __WXGTK__ const PangoFontDescription* GetFont() const { return m_font; } + bool GetUnderlined() const { return m_underlined; } #endif private : double m_size; + bool m_underlined; double m_red; double m_green; double m_blue; @@ -316,12 +301,31 @@ private : cairo_font_slant_t m_slant; cairo_font_weight_t m_weight; #endif +#ifdef __WXMSW__ + wxCairoContext( wxGraphicsRenderer* renderer, HDC context ); +#endif }; -class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext +class wxCairoBitmapData : public wxGraphicsObjectRefData { - DECLARE_NO_COPY_CLASS(wxCairoContext) +public: + wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ); + wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ); + ~wxCairoBitmapData(); + virtual cairo_surface_t* GetCairoSurface() { return m_surface; } + virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; } + virtual wxSize GetSize() { return wxSize(m_width, m_height); } +private : + cairo_surface_t* m_surface; + cairo_pattern_t* m_pattern; + int m_width; + int m_height; + unsigned char* m_buffer; +}; + +class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext +{ public: wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc ); wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc ); @@ -336,6 +340,9 @@ public: virtual bool ShouldOffset() const { + if ( !m_enableOffset ) + return false; + int penwidth = 0 ; if ( !m_pen.IsNull() ) { @@ -347,6 +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 ); @@ -356,10 +366,16 @@ public: virtual void * GetNativeContext(); - virtual bool SetLogicalFunction( int function ); + virtual bool SetAntialiasMode(wxAntialiasMode antialias); + + virtual bool SetCompositionMode(wxCompositionMode op); + + virtual void BeginLayer(wxDouble opacity); + + virtual void EndLayer(); virtual void StrokePath( const wxGraphicsPath& p ); - virtual void FillPath( const wxGraphicsPath& p , int fillStyle = wxWINDING_RULE ); + virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE ); virtual void Translate( wxDouble dx , wxDouble dy ); virtual void Scale( wxDouble xScale , wxDouble yScale ); @@ -374,20 +390,27 @@ 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(); 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; +protected: + virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y ); + private: void Init(cairo_t *context); cairo_t* m_context; + + wxVector m_layerOpacities; + + wxDECLARE_NO_COPY_CLASS(wxCairoContext); }; //----------------------------------------------------------------------------- @@ -479,32 +502,32 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) switch ( m_pen.GetStyle() ) { - case wxSOLID : + case wxPENSTYLE_SOLID : break; - case wxDOT : + case wxPENSTYLE_DOT : m_count = WXSIZEOF(dotted); m_userLengths = new double[ m_count ] ; memcpy( m_userLengths, dotted, sizeof(dotted) ); m_lengths = m_userLengths; break; - case wxLONG_DASH : + case wxPENSTYLE_LONG_DASH : m_lengths = dashed ; m_count = WXSIZEOF(dashed); break; - case wxSHORT_DASH : + case wxPENSTYLE_SHORT_DASH : m_lengths = short_dashed ; m_count = WXSIZEOF(short_dashed); break; - case wxDOT_DASH : + case wxPENSTYLE_DOT_DASH : m_lengths = dotted_dashed ; m_count = WXSIZEOF(dotted_dashed); break; - case wxUSER_DASH : + case wxPENSTYLE_USER_DASH : { wxDash *wxdashes ; m_count = m_pen.GetDashes( &wxdashes ) ; @@ -524,7 +547,7 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) m_lengths = m_userLengths ; } break; - case wxSTIPPLE : + case wxPENSTYLE_STIPPLE : { /* wxBitmap* bmp = pen.GetStipple(); @@ -540,29 +563,30 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) } break; default : - if ( m_pen.GetStyle() >= wxFIRST_HATCH && m_pen.GetStyle() <= wxLAST_HATCH ) + if ( m_pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH + && m_pen.GetStyle() <= wxPENSTYLE_LAST_HATCH ) { /* wxDELETE( m_penBrush ); HatchStyle style = HatchStyleHorizontal; switch( pen.GetStyle() ) { - case wxBDIAGONAL_HATCH : + case wxPENSTYLE_BDIAGONAL_HATCH : style = HatchStyleBackwardDiagonal; break ; - case wxCROSSDIAG_HATCH : + case wxPENSTYLE_CROSSDIAG_HATCH : style = HatchStyleDiagonalCross; break ; - case wxFDIAGONAL_HATCH : + case wxPENSTYLE_FDIAGONAL_HATCH : style = HatchStyleForwardDiagonal; break ; - case wxCROSS_HATCH : + case wxPENSTYLE_CROSS_HATCH : style = HatchStyleCross; break ; - case wxHORIZONTAL_HATCH : + case wxPENSTYLE_HORIZONTAL_HATCH : style = HatchStyleHorizontal; break ; - case wxVERTICAL_HATCH : + case wxPENSTYLE_VERTICAL_HATCH : style = HatchStyleVertical; break ; @@ -606,7 +630,7 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush m_blue = brush.GetColour().Blue()/255.0; m_alpha = brush.GetColour().Alpha()/255.0; /* - if ( brush.GetStyle() == wxSOLID) + if ( brush.GetStyle() == wxBRUSHSTYLE_SOLID) { m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() , brush.GetColour().Green() , brush.GetColour().Blue() ) ); @@ -616,22 +640,22 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush HatchStyle style = HatchStyleHorizontal; switch( brush.GetStyle() ) { - case wxBDIAGONAL_HATCH : + case wxBRUSHSTYLE_BDIAGONAL_HATCH : style = HatchStyleBackwardDiagonal; break ; - case wxCROSSDIAG_HATCH : + case wxBRUSHSTYLE_CROSSDIAG_HATCH : style = HatchStyleDiagonalCross; break ; - case wxFDIAGONAL_HATCH : + case wxBRUSHSTYLE_FDIAGONAL_HATCH : style = HatchStyleForwardDiagonal; break ; - case wxCROSS_HATCH : + case wxBRUSHSTYLE_CROSS_HATCH : style = HatchStyleCross; break ; - case wxHORIZONTAL_HATCH : + case wxBRUSHSTYLE_HORIZONTAL_HATCH : style = HatchStyleHorizontal; break ; - case wxVERTICAL_HATCH : + case wxBRUSHSTYLE_VERTICAL_HATCH : style = HatchStyleVertical; break ; @@ -671,26 +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() @@ -710,9 +758,10 @@ wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &fo m_blue = col.Blue()/255.0; m_alpha = col.Alpha()/255.0; m_size = font.GetPointSize(); + m_underlined = font.GetUnderlined(); #ifdef __WXMAC__ - m_font = cairo_atsui_font_face_create_for_atsu_font_id( font.MacGetATSUFontID() ); + m_font = cairo_quartz_font_face_create_for_cgfont( font.OSXGetCGFont() ); #elif defined(__WXGTK__) m_font = pango_font_description_copy( font.GetNativeFontInfo()->description ); #else @@ -742,7 +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 } @@ -886,9 +935,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) } } -bool wxCairoPathData::Contains( wxDouble x, wxDouble y, int 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; } //----------------------------------------------------------------------------- @@ -1013,6 +1063,104 @@ void * wxCairoMatrixData::GetNativeMatrix() const return (void*) &m_matrix; } +// 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")); + +#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; + + // 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 + // different format and iterator than if it doesn't... + if (bmpSource.HasAlpha() || bmpSource.GetMask()) + { + m_surface = cairo_image_surface_create_for_data( + m_buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4); + wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh)); + wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data.")); + + wxAlphaPixelData::Iterator p(pixData); + for (int y=0; yGetCairoContext() ); + wxSize sz = dc.GetSize(); + m_width = sz.x; + m_height = sz.y; + wxPoint org = dc.GetDeviceOrigin(); cairo_translate( m_context, org.x, org.y ); @@ -1059,6 +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() ) ); @@ -1081,8 +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 ) ); @@ -1093,6 +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() ) ); @@ -1115,8 +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 ) ); @@ -1129,18 +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) @@ -1155,6 +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 } @@ -1163,9 +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) @@ -1230,7 +1424,7 @@ void wxCairoContext::StrokePath( const wxGraphicsPath& path ) } } -void wxCairoContext::FillPath( const wxGraphicsPath& path , int fillStyle ) +void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle ) { if ( !m_brush.IsNull() ) { @@ -1293,99 +1487,34 @@ void wxCairoContext::PopState() void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { - wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap")); - - cairo_surface_t* surface; - int bw = bmp.GetWidth(); - int bh = bmp.GetHeight(); - wxBitmap bmpSource = bmp; // we need a non-const instance - unsigned char* buffer = new unsigned char[bw*bh*4]; - wxUint32* data = (wxUint32*)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 - // different format and iterator than if it doesn't... - if (bmpSource.HasAlpha() || bmpSource.GetMask()) - { - surface = cairo_image_surface_create_for_data( - buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4); - wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh)); - wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data.")); - - wxAlphaPixelData::Iterator p(pixData); - for (int y=0; yCreateBitmap(bmp); + DrawBitmap(bitmap, x, y, w, h); +} +void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ PushState(); // In case we're scaling the image by using a width and height different // than the bitmap's size create a pattern transformation on the surface and // draw the transformed pattern. - cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface); - wxDouble scaleX = w / bw; - wxDouble scaleY = h / bh; - cairo_scale(m_context, scaleX, scaleY); + wxCairoBitmapData* data = static_cast(bmp.GetRefData()); + cairo_pattern_t* pattern = data->GetCairoPattern(); + wxSize size = data->GetSize(); + + wxDouble scaleX = w / size.GetWidth(); + wxDouble scaleY = h / size.GetHeight(); // 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, bw, bh); + cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight()); // fill the rectangle using the pattern cairo_fill(m_context); - // clean up - cairo_pattern_destroy(pattern); - cairo_surface_destroy(surface); - delete [] buffer; PopState(); } @@ -1398,37 +1527,49 @@ 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()); + 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()) + { + PangoAttrList *attrs = pango_attr_list_new(); + PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); + pango_attr_list_insert(attrs, attr); + pango_layout_set_attributes(layout, attrs); + pango_attr_list_unref(attrs); + } + cairo_move_to(m_context, x, y); pango_cairo_show_layout (m_context, layout); 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 } @@ -1528,53 +1669,97 @@ void * wxCairoContext::GetNativeContext() return m_context; } -// Cairo doesn't support bitwise logical function (a.k.a. ROP, raster output -// mode). Cairo supports Porter-Duff compositing operators, but they are quite -// different, although in some cases have similar names. -bool wxCairoContext::SetLogicalFunction( int function ) +bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias) { - if (m_logicalFunction == function) + if (m_antialias == antialias) return true; - cairo_operator_t op; + m_antialias = antialias; - switch ( function ) + cairo_antialias_t antialiasMode; + switch (antialias) { - case wxCOPY: // (default) src - op = CAIRO_OPERATOR_OVER; // (also default) + case wxANTIALIAS_DEFAULT: + antialiasMode = CAIRO_ANTIALIAS_DEFAULT; break; - case wxOR: // src OR dst - op = CAIRO_OPERATOR_ADD; + case wxANTIALIAS_NONE: + antialiasMode = CAIRO_ANTIALIAS_NONE; break; - case wxNO_OP: // dst - op = CAIRO_OPERATOR_DEST; // ignore the source + default: + return false; + } + cairo_set_antialias(m_context, antialiasMode); + return true; +} + +bool wxCairoContext::SetCompositionMode(wxCompositionMode op) +{ + if ( m_composition == op ) + return true; + + m_composition = op; + cairo_operator_t cop; + switch (op) + { + case wxCOMPOSITION_CLEAR: + cop = CAIRO_OPERATOR_CLEAR; break; - case wxCLEAR: // 0 - op = CAIRO_OPERATOR_CLEAR;// clear dst + case wxCOMPOSITION_SOURCE: + cop = CAIRO_OPERATOR_SOURCE; + break; + case wxCOMPOSITION_OVER: + cop = CAIRO_OPERATOR_OVER; + break; + case wxCOMPOSITION_IN: + cop = CAIRO_OPERATOR_IN; + break; + case wxCOMPOSITION_OUT: + cop = CAIRO_OPERATOR_OUT; + break; + case wxCOMPOSITION_ATOP: + cop = CAIRO_OPERATOR_ATOP; + break; + case wxCOMPOSITION_DEST: + cop = CAIRO_OPERATOR_DEST; + break; + case wxCOMPOSITION_DEST_OVER: + cop = CAIRO_OPERATOR_DEST_OVER; + break; + case wxCOMPOSITION_DEST_IN: + cop = CAIRO_OPERATOR_DEST_IN; + break; + case wxCOMPOSITION_DEST_OUT: + cop = CAIRO_OPERATOR_DEST_OUT; + break; + case wxCOMPOSITION_DEST_ATOP: + cop = CAIRO_OPERATOR_DEST_ATOP; + break; + case wxCOMPOSITION_XOR: + cop = CAIRO_OPERATOR_XOR; + break; + case wxCOMPOSITION_ADD: + cop = CAIRO_OPERATOR_ADD; break; - - case wxAND: // src AND dst - case wxAND_INVERT: // (NOT src) AND dst - case wxAND_REVERSE:// src AND (NOT dst) - case wxEQUIV: // (NOT src) XOR dst - case wxINVERT: // NOT dst - case wxNAND: // (NOT src) OR (NOT dst) - case wxNOR: // (NOT src) AND (NOT dst) - case wxOR_INVERT: // (NOT src) OR dst - case wxOR_REVERSE: // src OR (NOT dst) - case wxSET: // 1 - case wxSRC_INVERT: // NOT src - //wxXOR does _not_ correspond to CAIRO_OPERATOR_XOR - case wxXOR: // src XOR dst default: return false; } - - m_logicalFunction = function; - cairo_set_operator(m_context, op); + cairo_set_operator(m_context, cop); return true; } +void wxCairoContext::BeginLayer(wxDouble opacity) +{ + m_layerOpacities.push_back(opacity); + cairo_push_group(m_context); +} + +void wxCairoContext::EndLayer() +{ + float opacity = m_layerOpacities.back(); + m_layerOpacities.pop_back(); + cairo_pop_group_to_source(m_context); + cairo_paint_with_alpha(m_context,opacity); +} //----------------------------------------------------------------------------- // wxCairoRenderer declaration @@ -1615,31 +1800,28 @@ 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 ) ; // create a native bitmap representation -#if 0 - virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) - { - return wxGraphicsBitmap; - } + 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 ) - { - return wxGraphicsBitmap; - } -#endif + virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); private : DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer) @@ -1656,13 +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); @@ -1687,7 +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 } @@ -1702,6 +1881,9 @@ wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * windo wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext() { +#ifdef __WXGTK__ + return CreateContextFromNativeWindow(gdk_get_default_root_window()); +#endif return NULL; // TODO } @@ -1736,7 +1918,7 @@ wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen) { - if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) + if ( !pen.Ok() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT ) return wxNullGraphicsPen; else { @@ -1748,7 +1930,7 @@ wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen) wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush ) { - if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) + if ( !brush.Ok() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT ) return wxNullGraphicsBrush; else { @@ -1758,25 +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; } @@ -1794,4 +1977,62 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour return wxNullGraphicsFont; } -#endif // wxUSE_GRAPHICS_CONTEXT +wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp ) +{ + if ( bmp.Ok() ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxCairoBitmapData( this , bmp )); + return p; + } + else + return wxNullGraphicsBitmap; +} + +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; +} + +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