X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a4e73390a604cb78d41eacf3e97de48c36aaf8d7..5d2788a3e2d090d402ececb68acd89993a4bc9cf:/include/wx/graphics.h?ds=sidebyside diff --git a/include/wx/graphics.h b/include/wx/graphics.h old mode 100755 new mode 100644 index 68eb3ca476..1128c14e02 --- a/include/wx/graphics.h +++ b/include/wx/graphics.h @@ -12,20 +12,23 @@ #ifndef _WX_GRAPHICS_H_ #define _WX_GRAPHICS_H_ +#include "wx/defs.h" + #if wxUSE_GRAPHICS_CONTEXT #include "wx/geometry.h" #include "wx/dynarray.h" -class WXDLLIMPEXP_CORE wxWindowDC; -class WXDLLIMPEXP_CORE wxGraphicsContext; -class WXDLLIMPEXP_CORE wxGraphicsPath; -class WXDLLIMPEXP_CORE wxGraphicsMatrix; -class WXDLLIMPEXP_CORE wxGraphicsFigure; -class WXDLLIMPEXP_CORE wxGraphicsRenderer; -class WXDLLIMPEXP_CORE wxGraphicsPen; -class WXDLLIMPEXP_CORE wxGraphicsBrush; -class WXDLLIMPEXP_CORE wxGraphicsFont; +class WXDLLIMPEXP_FWD_CORE wxWindowDC; +class WXDLLIMPEXP_FWD_CORE wxMemoryDC; +class WXDLLIMPEXP_FWD_CORE wxGraphicsContext; +class WXDLLIMPEXP_FWD_CORE wxGraphicsPath; +class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrix; +class WXDLLIMPEXP_FWD_CORE wxGraphicsFigure; +class WXDLLIMPEXP_FWD_CORE wxGraphicsRenderer; +class WXDLLIMPEXP_FWD_CORE wxGraphicsPen; +class WXDLLIMPEXP_FWD_CORE wxGraphicsBrush; +class WXDLLIMPEXP_FWD_CORE wxGraphicsFont; /* * notes about the graphics context apis @@ -44,17 +47,9 @@ class WXDLLIMPEXP_CORE wxGraphicsFont; // instance from the other instances that were shared - using copy on write semantics // -class WXDLLIMPEXP_CORE wxGraphicsObjectRefData : public wxObjectRefData -{ -public : - wxGraphicsObjectRefData( wxGraphicsRenderer* renderer ); - wxGraphicsObjectRefData( const wxGraphicsObjectRefData* data ); - wxGraphicsRenderer* GetRenderer() const ; - virtual wxGraphicsObjectRefData* Clone() const ; - -protected : - wxGraphicsRenderer* m_renderer; -} ; +class WXDLLIMPEXP_FWD_CORE wxGraphicsObjectRefData; +class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrixData; +class WXDLLIMPEXP_FWD_CORE wxGraphicsPathData; class WXDLLIMPEXP_CORE wxGraphicsObject : public wxObject { @@ -72,7 +67,7 @@ protected : virtual wxObjectRefData* CreateRefData() const; virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const; - DECLARE_DYNAMIC_CLASS(wxGraphicsObject); + DECLARE_DYNAMIC_CLASS(wxGraphicsObject) } ; class WXDLLIMPEXP_CORE wxGraphicsPen : public wxGraphicsObject @@ -108,58 +103,6 @@ private : extern WXDLLEXPORT_DATA(wxGraphicsFont) wxNullGraphicsFont; - -class WXDLLIMPEXP_CORE wxGraphicsMatrixData : public wxGraphicsObjectRefData -{ -public : - wxGraphicsMatrixData( wxGraphicsRenderer* renderer) : - wxGraphicsObjectRefData(renderer) {} - - virtual ~wxGraphicsMatrixData() {} - - // concatenates the matrix - virtual void Concat( const wxGraphicsMatrixData *t ) = 0; - - // 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, - wxDouble tx=0.0, wxDouble ty=0.0) = 0; - - // makes this the inverse matrix - virtual void Invert() = 0; - - // returns true if the elements of the transformation matrix are equal ? - virtual bool IsEqual( const wxGraphicsMatrixData* t) const = 0; - - // return true if this is the identity matrix - virtual bool IsIdentity() const = 0; - - // - // transformation - // - - // add the translation to this matrix - virtual void Translate( wxDouble dx , wxDouble dy ) = 0; - - // add the scale to this matrix - virtual void Scale( wxDouble xScale , wxDouble yScale ) = 0; - - // add the rotation to this matrix (radians) - virtual void Rotate( wxDouble angle ) = 0; - - // - // apply the transforms - // - - // applies that matrix to the point - virtual void TransformPoint( wxDouble *x, wxDouble *y ) const = 0; - - // applies the matrix except for translations - virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const =0; - - // returns the native representation - virtual void * GetNativeMatrix() const = 0; -} ; - class WXDLLIMPEXP_CORE wxGraphicsMatrix : public wxGraphicsObject { public : @@ -175,6 +118,10 @@ public : 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(); @@ -222,75 +169,6 @@ private : extern WXDLLEXPORT_DATA(wxGraphicsMatrix) wxNullGraphicsMatrix; -class WXDLLIMPEXP_CORE wxGraphicsPathData : public wxGraphicsObjectRefData -{ -public : - wxGraphicsPathData(wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData(renderer) {} - virtual ~wxGraphicsPathData() {} - - // - // These are the path primitives from which everything else can be constructed - // - - // begins a new subpath at (x,y) - virtual void MoveToPoint( wxDouble x, wxDouble y ) = 0; - - // adds a straight line from the current point to (x,y) - virtual void AddLineToPoint( wxDouble x, wxDouble y ) = 0; - - // 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 ) = 0; - - // adds another path - virtual void AddPath( const wxGraphicsPathData* path ) =0; - - // closes the current sub-path - virtual void CloseSubpath() = 0; - - // gets the last point of the current path, (0,0) if not yet set - virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const = 0; - - // 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 ) = 0; - - // - // 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 - 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 ) ; - - // appends an ellipse - virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h); - - // appends a rounded rectangle - virtual void AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius); - - // returns the native path - virtual void * GetNativePath() const = 0; - - // give the native path returned by GetNativePath() back (there might be some deallocations necessary) - virtual void UnGetNativePath(void *p) const= 0; - - // transforms each point of this path by the matrix - virtual void Transform( const wxGraphicsMatrixData* matrix ) =0; - - // gets the bounding box enclosing all points (possibly including control points) - virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const=0; - - virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const=0; -}; - class WXDLLIMPEXP_CORE wxGraphicsPath : public wxGraphicsObject { public : @@ -386,13 +264,33 @@ public: virtual ~wxGraphicsContext(); static wxGraphicsContext* Create( const wxWindowDC& dc) ; - + static wxGraphicsContext * Create( const wxMemoryDC& dc) ; + static wxGraphicsContext* CreateFromNative( void * context ) ; static wxGraphicsContext* CreateFromNativeWindow( void * 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 void EndDoc(); + + // 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) + 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; @@ -421,10 +319,10 @@ public: // pops a stored state from the stack virtual void PopState() = 0; - // clips drawings to the region, combined to current clipping region + // clips drawings to the region intersected with the current clipping region virtual void Clip( const wxRegion ®ion ) = 0; - // clips drawings to the rect + // 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 @@ -433,6 +331,25 @@ public: // 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) ; + + // 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 // @@ -491,6 +408,10 @@ public: virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ); + virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& 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; @@ -539,6 +460,7 @@ protected : wxGraphicsPen m_pen; wxGraphicsBrush m_brush; wxGraphicsFont m_font; + int m_logicalFunction; private : DECLARE_NO_COPY_CLASS(wxGraphicsContext) @@ -598,6 +520,7 @@ public : // Context virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ; + virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0 ; virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ) = 0; @@ -605,6 +528,9 @@ public : virtual wxGraphicsContext * CreateContext( wxWindow* window ) = 0; + // create a context that can be used for measuring texts only, no drawing allowed + virtual wxGraphicsContext * CreateMeasuringContext() = 0; + // Path virtual wxGraphicsPath CreatePath() = 0;