X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d974a4945c7325a83dab9bcb83a5021f77cb65eb..44c87b7d15d5c1f5926beffa4cd5c9d1d2045e04:/include/wx/graphics.h diff --git a/include/wx/graphics.h b/include/wx/graphics.h index 488e8dcd54..ede12ad06c 100644 --- a/include/wx/graphics.h +++ b/include/wx/graphics.h @@ -21,6 +21,9 @@ class WXDLLIMPEXP_FWD_CORE wxWindowDC; class WXDLLIMPEXP_FWD_CORE wxMemoryDC; +#if wxUSE_PRINTING_ARCHITECTURE +class WXDLLIMPEXP_FWD_CORE wxPrinterDC; +#endif class WXDLLIMPEXP_FWD_CORE wxGraphicsContext; class WXDLLIMPEXP_FWD_CORE wxGraphicsPath; class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrix; @@ -34,12 +37,12 @@ class WXDLLIMPEXP_FWD_CORE wxGraphicsBitmap; /* * notes about the graphics context apis * - * angles : are measured in radians, 0.0 being in direction of positiv x axis, PI/2 being + * angles : are measured in radians, 0.0 being in direction of positiv x axis, PI/2 being * in direction of positive y axis. */ - + // Base class of all objects used for drawing in the new graphics API, the always point back to their -// originating rendering engine, there is no dynamic unloading of a renderer currently allowed, +// originating rendering engine, there is no dynamic unloading of a renderer currently allowed, // these references are not counted // @@ -47,77 +50,77 @@ class WXDLLIMPEXP_FWD_CORE wxGraphicsBitmap; // duplication. Any operation on a shared instance that results in a modified state, uncouples this // instance from the other instances that were shared - using copy on write semantics // - + class WXDLLIMPEXP_FWD_CORE wxGraphicsObjectRefData; class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrixData; class WXDLLIMPEXP_FWD_CORE wxGraphicsPathData; class WXDLLIMPEXP_CORE wxGraphicsObject : public wxObject { -public : - wxGraphicsObject() ; - wxGraphicsObject( wxGraphicsRenderer* renderer ) ; - virtual ~wxGraphicsObject() ; - - bool IsNull() const ; +public: + wxGraphicsObject(); + wxGraphicsObject( wxGraphicsRenderer* renderer ); + virtual ~wxGraphicsObject(); + + bool IsNull() const; // returns the renderer that was used to create this instance, or NULL if it has not been initialized yet - wxGraphicsRenderer* GetRenderer() const ; - wxGraphicsObjectRefData* GetGraphicsData() const ; -protected : + wxGraphicsRenderer* GetRenderer() const; + wxGraphicsObjectRefData* GetGraphicsData() const; +protected: virtual wxObjectRefData* CreateRefData() const; virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const; DECLARE_DYNAMIC_CLASS(wxGraphicsObject) -} ; +}; class WXDLLIMPEXP_CORE wxGraphicsPen : public wxGraphicsObject { -public : +public: wxGraphicsPen() {} virtual ~wxGraphicsPen() {} -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsPen) -} ; +}; extern WXDLLIMPEXP_DATA_CORE(wxGraphicsPen) wxNullGraphicsPen; class WXDLLIMPEXP_CORE wxGraphicsBrush : public wxGraphicsObject { -public : +public: wxGraphicsBrush() {} virtual ~wxGraphicsBrush() {} -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsBrush) -} ; +}; extern WXDLLIMPEXP_DATA_CORE(wxGraphicsBrush) wxNullGraphicsBrush; class WXDLLIMPEXP_CORE wxGraphicsFont : public wxGraphicsObject { -public : +public: wxGraphicsFont() {} virtual ~wxGraphicsFont() {} -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsFont) -} ; +}; extern WXDLLIMPEXP_DATA_CORE(wxGraphicsFont) wxNullGraphicsFont; class WXDLLIMPEXP_CORE wxGraphicsBitmap : public wxGraphicsObject { -public : +public: wxGraphicsBitmap() {} virtual ~wxGraphicsBitmap() {} -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsBitmap) -} ; - +}; + extern WXDLLIMPEXP_DATA_CORE(wxGraphicsBitmap) wxNullGraphicsBitmap; class WXDLLIMPEXP_CORE wxGraphicsMatrix : public wxGraphicsObject { -public : +public: wxGraphicsMatrix() {} virtual ~wxGraphicsMatrix() {} @@ -127,13 +130,13 @@ public : void Concat( const wxGraphicsMatrix &t ) { Concat( &t ); } // sets the matrix to the respective values - virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, + virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, wxDouble tx=0.0, wxDouble ty=0.0); // gets the component valuess of the matrix virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL, wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const; - + // makes this the inverse matrix virtual void Invert(); @@ -155,7 +158,7 @@ public : virtual void Scale( wxDouble xScale , wxDouble yScale ); // add the rotation to this matrix (radians) - virtual void Rotate( wxDouble angle ); + virtual void Rotate( wxDouble angle ); // // apply the transforms @@ -170,23 +173,23 @@ public : // returns the native representation virtual void * GetNativeMatrix() const; - const wxGraphicsMatrixData* GetMatrixData() const + const wxGraphicsMatrixData* GetMatrixData() const { return (const wxGraphicsMatrixData*) GetRefData(); } - wxGraphicsMatrixData* GetMatrixData() + wxGraphicsMatrixData* GetMatrixData() { return (wxGraphicsMatrixData*) GetRefData(); } -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsMatrix) -} ; +}; extern WXDLLIMPEXP_DATA_CORE(wxGraphicsMatrix) wxNullGraphicsMatrix; class WXDLLIMPEXP_CORE wxGraphicsPath : public wxGraphicsObject { -public : +public: wxGraphicsPath() {} virtual ~wxGraphicsPath() {} - + // // These are the path primitives from which everything else can be constructed // @@ -195,45 +198,45 @@ public : virtual void MoveToPoint( wxDouble x, wxDouble y ); void MoveToPoint( const wxPoint2DDouble& p); - // adds a straight line from the current point to (x,y) + // adds a straight line from the current point to (x,y) virtual void AddLineToPoint( wxDouble x, wxDouble y ); void AddLineToPoint( const wxPoint2DDouble& p); // adds a cubic Bezier curve from the current point, using two control points and an end point - virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) ; + virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ); void AddCurveToPoint( const wxPoint2DDouble& c1, const wxPoint2DDouble& c2, const wxPoint2DDouble& e); - + // adds another path virtual void AddPath( const wxGraphicsPath& path ); // closes the current sub-path - virtual void CloseSubpath() ; + virtual void CloseSubpath(); // gets the last point of the current path, (0,0) if not yet set virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const; wxPoint2DDouble GetCurrentPoint() const; // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle - virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) ; + virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ); void AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise); // - // These are convenience functions which - if not available natively will be assembled + // These are convenience functions which - if not available natively will be assembled // using the primitives from above // // adds a quadratic Bezier curve from the current point, using a control point and an end point virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ); - // appends a rectangle as a new closed subpath + // appends a rectangle as a new closed subpath virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); // appends an ellipsis as a new closed subpath fitting the passed rectangle virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r ); // appends a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1) - virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ; - + virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ); + // appends an ellipse virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h); @@ -242,28 +245,28 @@ public : // returns the native path virtual void * GetNativePath() const; - + // give the native path returned by GetNativePath() back (there might be some deallocations necessary) virtual void UnGetNativePath(void *p)const; - + // transforms each point of this path by the matrix virtual void Transform( const wxGraphicsMatrix& matrix ); - + // gets the bounding box enclosing all points (possibly including control points) virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)const; wxRect2DDouble GetBox()const; - + virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE)const; bool Contains( const wxPoint2DDouble& c, int fillStyle = wxODDEVEN_RULE)const; - - const wxGraphicsPathData* GetPathData() const + + const wxGraphicsPathData* GetPathData() const { return (const wxGraphicsPathData*) GetRefData(); } - wxGraphicsPathData* GetPathData() + wxGraphicsPathData* GetPathData() { return (wxGraphicsPathData*) GetRefData(); } -private : +private: DECLARE_DYNAMIC_CLASS(wxGraphicsPath) -} ; +}; extern WXDLLIMPEXP_DATA_CORE(wxGraphicsPath) wxNullGraphicsPath; @@ -274,46 +277,49 @@ public: wxGraphicsContext(wxGraphicsRenderer* renderer); virtual ~wxGraphicsContext(); - - static wxGraphicsContext* Create( const wxWindowDC& dc) ; - static wxGraphicsContext * Create( const wxMemoryDC& dc) ; - static wxGraphicsContext* CreateFromNative( void * context ) ; + static wxGraphicsContext* Create( const wxWindowDC& dc); + static wxGraphicsContext * Create( const wxMemoryDC& dc); +#if wxUSE_PRINTING_ARCHITECTURE + static wxGraphicsContext * Create( const wxPrinterDC& dc); +#endif + + static wxGraphicsContext* CreateFromNative( void * context ); - static wxGraphicsContext* CreateFromNativeWindow( void * window ) ; + static wxGraphicsContext* CreateFromNativeWindow( void * window ); - static wxGraphicsContext* Create( wxWindow* window ) ; + static wxGraphicsContext* Create( wxWindow* window ); // create a context that can be used for measuring texts only, no drawing allowed static wxGraphicsContext * Create(); // begin a new document (relevant only for printing / pdf etc) if there is a progress dialog, message will be shown - virtual bool StartDoc( const wxString& message ) ; - - // done with that document (relevant only for printing / pdf etc) + virtual bool StartDoc( const wxString& message ); + + // done with that document (relevant only for printing / pdf etc) virtual void EndDoc(); - // opens a new page (relevant only for printing / pdf etc) with the given size in points + // opens a new page (relevant only for printing / pdf etc) with the given size in points // (if both are null the default page size will be used) virtual void StartPage( wxDouble width = 0, wxDouble height = 0 ); - - // ends the current page (relevant only for printing / pdf etc) + + // ends the current page (relevant only for printing / pdf etc) virtual void EndPage(); - + // make sure that the current content of this context is immediately visible virtual void Flush(); wxGraphicsPath CreatePath() const; - + virtual wxGraphicsPen CreatePen(const wxPen& pen) const; - + virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) const; - + // 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, + virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) const; - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) + // 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) const; @@ -323,14 +329,14 @@ public: // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) const; - + // create a native bitmap representation virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) const; // create a 'native' matrix corresponding to these values - virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, + 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) const; - + // push the current state of the context, ie the transformation matrix on a stack virtual void PushState() = 0; @@ -342,36 +348,36 @@ public: // clips drawings to the rect intersected with the current clipping region virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) = 0; - + // resets the clipping to original extent - virtual void ResetClip() = 0 ; + virtual void ResetClip() = 0; // returns the native context virtual void * GetNativeContext() = 0; // returns the current logical function virtual int GetLogicalFunction() const { return m_logicalFunction; } - + // sets the current logical function, returns true if it supported - virtual bool SetLogicalFunction(int function) ; + virtual bool SetLogicalFunction(int function); // returns the size of the graphics context in device coordinates virtual void GetSize( wxDouble* width, wxDouble* height); // returns the resolution of the graphics context in device points per inch virtual void GetDPI( wxDouble* dpiX, wxDouble* dpiY); - + #if 0 // sets the current alpha on this context virtual void SetAlpha( wxDouble alpha ); - + // returns the alpha on this context virtual wxDouble GetAlpha() const; #endif // // transformation : changes the current transformation matrix CTM of the context // - + // translate virtual void Translate( wxDouble dx , wxDouble dy ) = 0; @@ -380,7 +386,7 @@ public: // rotate (radians) virtual void Rotate( wxDouble angle ) = 0; - + // concatenates this transform with the current transform of this context virtual void ConcatTransform( const wxGraphicsMatrix& matrix ) = 0; @@ -392,23 +398,23 @@ public: // // setting the paint // - + // sets the pen virtual void SetPen( const wxGraphicsPen& pen ); - + void SetPen( const wxPen& pen ); // sets the brush for filling virtual void SetBrush( const wxGraphicsBrush& brush ); - + void SetBrush( const wxBrush& brush ); // sets the font virtual void SetFont( const wxGraphicsFont& font ); - + void SetFont( const wxFont& font, const wxColour& colour ); - + // strokes along a path with the current pen virtual void StrokePath( const wxGraphicsPath& path ) = 0; @@ -417,18 +423,25 @@ public: // draws a path by first filling and then stroking virtual void DrawPath( const wxGraphicsPath& path, int fillStyle = wxODDEVEN_RULE ); - + // // text // - - virtual void DrawText( const wxString &str, wxDouble x, wxDouble y ) = 0; - virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ); + void DrawText( const wxString &str, wxDouble x, wxDouble y ) + { DoDrawText(str, x, y); } + + void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) + { DoDrawRotatedText(str, x, y, angle); } + + void DrawText( const wxString &str, wxDouble x, wxDouble y, + const wxGraphicsBrush& backgroundBrush ) + { DoDrawFilledText(str, x, y, backgroundBrush); } - virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& backgroundBrush ) ; + void DrawText( const wxString &str, wxDouble x, wxDouble y, + wxDouble angle, const wxGraphicsBrush& backgroundBrush ) + { DoDrawRotatedFilledText(str, x, y, angle, backgroundBrush); } - virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle, const wxGraphicsBrush& backgroundBrush ); virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height, wxDouble *descent, wxDouble *externalLeading ) const = 0; @@ -450,7 +463,7 @@ public: // // convenience methods // - + // strokes a single line virtual void StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2); @@ -477,19 +490,32 @@ public: // helper to determine if a 0.5 offset should be applied for the drawing operation virtual bool ShouldOffset() const { return false; } -protected : +protected: wxGraphicsPen m_pen; wxGraphicsBrush m_brush; wxGraphicsFont m_font; int m_logicalFunction; -private : +private: + // implementations of overloaded public functions: we use different names + // for them to avoid the virtual function hiding problems in the derived + // classes + virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y) = 0; + virtual void DoDrawRotatedText(const wxString& str, wxDouble x, wxDouble y, + wxDouble angle); + virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y, + const wxGraphicsBrush& backgroundBrush); + virtual void DoDrawRotatedFilledText(const wxString& str, + wxDouble x, wxDouble y, + wxDouble angle, + const wxGraphicsBrush& backgroundBrush); + DECLARE_NO_COPY_CLASS(wxGraphicsContext) DECLARE_ABSTRACT_CLASS(wxGraphicsContext) }; -#if 0 +#if 0 // // A graphics figure allows to cache path, pen etc creations, also will be a basis for layering/grouping elements @@ -497,32 +523,32 @@ private : class WXDLLIMPEXP_CORE wxGraphicsFigure : public wxGraphicsObject { -public : - wxGraphicsFigure(wxGraphicsRenderer* renderer) ; - - virtual ~wxGraphicsFigure() ; - +public: + wxGraphicsFigure(wxGraphicsRenderer* renderer); + + virtual ~wxGraphicsFigure(); + void SetPath( wxGraphicsMatrix* matrix ); - + void SetMatrix( wxGraphicsPath* path); // draws this object on the context virtual void Draw( wxGraphicsContext* cg ); - + // returns the path of this object wxGraphicsPath* GetPath() { return m_path; } - + // returns the transformation matrix of this object, may be null if there is no transformation necessary wxGraphicsMatrix* GetMatrix() { return m_matrix; } - -private : + +private: wxGraphicsMatrix* m_matrix; wxGraphicsPath* m_path; - + DECLARE_DYNAMIC_CLASS(wxGraphicsFigure) -} ; - -#endif +}; + +#endif // // The graphics renderer is the instance corresponding to the rendering engine used, eg there is ONE core graphics renderer @@ -532,7 +558,7 @@ private : class WXDLLIMPEXP_CORE wxGraphicsRenderer : public wxObject { -public : +public: wxGraphicsRenderer() {} virtual ~wxGraphicsRenderer() {} @@ -541,9 +567,12 @@ public : // Context - virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ; - virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0 ; - + virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0; + virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0; +#if wxUSE_PRINTING_ARCHITECTURE + virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0; +#endif + virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ) = 0; virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ) = 0; @@ -554,25 +583,25 @@ public : virtual wxGraphicsContext * CreateMeasuringContext() = 0; // Path - + virtual wxGraphicsPath CreatePath() = 0; // Matrix - - virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, + + 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) = 0; - + // Paints - - virtual wxGraphicsPen CreatePen(const wxPen& pen) = 0 ; - - virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) = 0 ; - + + virtual wxGraphicsPen CreatePen(const wxPen& pen) = 0; + + virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) = 0; + // 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, + virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) = 0; - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) + // 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) = 0; @@ -580,19 +609,19 @@ public : // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) = 0; -#ifndef __WXGTK20__ +#ifndef __WXGTK20__ // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) = 0; - + // create a subimage from a native image representation virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) = 0; #endif -private : +private: DECLARE_NO_COPY_CLASS(wxGraphicsRenderer) DECLARE_ABSTRACT_CLASS(wxGraphicsRenderer) -} ; +}; #endif