+// concatenates this transform with the current transform of this context
+void wxGDIPlusContext::ConcatTransform( const wxGraphicsMatrix& matrix )
+{
+ m_context->MultiplyTransform((Matrix*) matrix.GetNativeMatrix());
+}
+
+// sets the transform of this context
+void wxGDIPlusContext::SetTransform( const wxGraphicsMatrix& matrix )
+{
+ m_context->SetTransform((Matrix*) matrix.GetNativeMatrix());
+}
+
+// gets the matrix of this context
+wxGraphicsMatrix wxGDIPlusContext::GetTransform() const
+{
+ wxGraphicsMatrix matrix = CreateMatrix();
+ m_context->GetTransform((Matrix*) matrix.GetNativeMatrix());
+ return matrix;
+}
+
+void wxGDIPlusContext::GetSize( wxDouble* width, wxDouble *height )
+{
+ *width = m_width;
+ *height = m_height;
+}
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer declaration
+//-----------------------------------------------------------------------------
+
+class wxGDIPlusRenderer : public wxGraphicsRenderer
+{
+public :
+ wxGDIPlusRenderer()
+ {
+ m_loaded = -1;
+ m_gditoken = 0;
+ }
+
+ virtual ~wxGDIPlusRenderer()
+ {
+ if ( m_loaded == 1 )
+ {
+ Unload();
+ }
+ }
+
+ // Context
+
+ virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+
+ virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
+
+ virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
+
+ virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
+
+ virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+
+ virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+ virtual wxGraphicsContext * CreateMeasuringContext();
+
+ // Path
+
+ virtual wxGraphicsPath CreatePath();
+
+ // Matrix
+
+ virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
+ wxDouble tx=0.0, wxDouble ty=0.0);
+
+
+ virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
+
+ 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) ;
+
+ // sets the font
+ virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
+
+ // create a native bitmap representation
+ virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
+
+ // create a subimage from a native image representation
+ virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+protected :
+ bool EnsureIsLoaded();
+ void Load();
+ void Unload();
+ friend class wxGDIPlusRendererModule;
+
+private :
+ int m_loaded;
+ ULONG_PTR m_gditoken;
+
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusRenderer)
+} ;
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer implementation
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRenderer,wxGraphicsRenderer)
+
+static wxGDIPlusRenderer gs_GDIPlusRenderer;
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+ return &gs_GDIPlusRenderer;
+}
+
+bool wxGDIPlusRenderer::EnsureIsLoaded()
+{
+ // load gdiplus.dll if not yet loaded, but don't bother doing it again
+ // if we already tried and failed (we don't want to spend lot of time
+ // returning NULL from wxGraphicsContext::Create(), which may be called
+ // relatively frequently):
+ if ( m_loaded == -1 )
+ {
+ Load();
+ }
+
+ return m_loaded == 1;
+}
+
+// call EnsureIsLoaded() and return returnOnFail value if it fails
+#define ENSURE_LOADED_OR_RETURN(returnOnFail) \
+ if ( !EnsureIsLoaded() ) \
+ return (returnOnFail)
+
+
+void wxGDIPlusRenderer::Load()
+{
+ GdiplusStartupInput input;
+ GdiplusStartupOutput output;
+ if ( GdiplusStartup(&m_gditoken,&input,&output) == Gdiplus::Ok )
+ {
+ wxLogTrace("gdiplus", "successfully initialized GDI+");
+ m_loaded = 1;
+ }
+ else
+ {
+ wxLogTrace("gdiplus", "failed to initialize GDI+, missing gdiplus.dll?");
+ m_loaded = 0;
+ }
+}
+
+void wxGDIPlusRenderer::Unload()
+{
+ if ( m_gditoken )
+ {
+ GdiplusShutdown(m_gditoken);
+ m_gditoken = NULL;
+ }
+ m_loaded = -1; // next Load() will try again
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc)
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+ wxSize sz = dc.GetSize();
+ return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxPrinterDC& dc)
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+ wxSize sz = dc.GetSize();
+ return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc)
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+ wxSize sz = dc.GetSize();
+ return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext()
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ return new wxGDIPlusMeasuringContext(this);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeContext( void * context )
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ return new wxGDIPlusContext(this,(Graphics*) context);
+}
+
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeWindow( void * window )
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ return new wxGDIPlusContext(this,(HWND) window);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( wxWindow* window )
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ return new wxGDIPlusContext(this, (HWND) window->GetHWND() );
+}
+
+// Path
+
+wxGraphicsPath wxGDIPlusRenderer::CreatePath()
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath);
+ wxGraphicsPath m;
+ m.SetRefData( new wxGDIPlusPathData(this));
+ return m;
+}
+
+
+// Matrix
+
+wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+ wxDouble tx, wxDouble ty)
+
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix);
+ wxGraphicsMatrix m;
+ wxGDIPlusMatrixData* data = new wxGDIPlusMatrixData( this );
+ data->Set( a,b,c,d,tx,ty ) ;
+ m.SetRefData(data);
+ return m;
+}
+
+wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen)
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
+ if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+ return wxNullGraphicsPen;
+ else
+ {
+ wxGraphicsPen p;
+ p.SetRefData(new wxGDIPlusPenData( this, pen ));
+ return p;
+ }
+}
+
+wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush )
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+ if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
+ return wxNullGraphicsBrush;
+ else
+ {
+ wxGraphicsBrush p;
+ p.SetRefData(new wxGDIPlusBrushData( this, brush ));
+ return p;
+ }
+}
+
+// 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)
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+ wxGraphicsBrush p;
+ wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this );
+ d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+ 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)
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+ wxGraphicsBrush p;
+ wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this );
+ d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+ p.SetRefData(d);
+ return p;
+}
+
+// sets the font
+wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColour &col )
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
+ if ( font.Ok() )
+ {
+ wxGraphicsFont p;
+ p.SetRefData(new wxGDIPlusFontData( this , font, col ));
+ return p;
+ }
+ else
+ return wxNullGraphicsFont;
+}
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap )
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ if ( bitmap.Ok() )
+ {
+ wxGraphicsBitmap p;
+ p.SetRefData(new wxGDIPlusBitmapData( this , bitmap ));
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ Bitmap* image = static_cast<wxGDIPlusBitmapData*>(bitmap.GetRefData())->GetGDIPlusBitmap();
+ if ( image )
+ {
+ wxGraphicsBitmap p;
+ p.SetRefData(new wxGDIPlusBitmapData( this , image->Clone( (REAL) x , (REAL) y , (REAL) w , (REAL) h , PixelFormat32bppPARGB) ));
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
+// Shutdown GDI+ at app exit, before possible dll unload
+class wxGDIPlusRendererModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { gs_GDIPlusRenderer.Unload(); }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxGDIPlusRendererModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRendererModule, wxModule)
projects / wxWidgets.git / blobdiff