initial commit
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
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278
libs/wxWidgets-3.3.1/include/wx/dcgraph.h
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278
libs/wxWidgets-3.3.1/include/wx/dcgraph.h
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dcgraph.h
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// Purpose: graphics context device bridge header
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// Author: Stefan Csomor
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// Created:
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GRAPHICS_DC_H_
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#define _WX_GRAPHICS_DC_H_
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#include "wx/defs.h"
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#if wxUSE_GRAPHICS_CONTEXT
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#include "wx/dc.h"
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#include "wx/geometry.h"
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#include "wx/graphics.h"
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class WXDLLIMPEXP_FWD_CORE wxWindowDC;
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class WXDLLIMPEXP_CORE wxGCDC: public wxDC
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{
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public:
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wxGCDC( const wxWindowDC& dc );
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wxGCDC( const wxMemoryDC& dc );
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#if wxUSE_PRINTING_ARCHITECTURE
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wxGCDC( const wxPrinterDC& dc );
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#endif
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#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
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wxGCDC( const wxEnhMetaFileDC& dc );
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#endif
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wxGCDC(wxGraphicsContext* context);
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wxGCDC();
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virtual ~wxGCDC();
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#ifdef __WXMSW__
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// override wxDC virtual functions to provide access to HDC associated with
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// underlying wxGraphicsContext
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virtual WXHDC AcquireHDC() override;
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virtual void ReleaseHDC(WXHDC hdc) override;
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#endif // __WXMSW__
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private:
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wxDECLARE_DYNAMIC_CLASS(wxGCDC);
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wxDECLARE_NO_COPY_CLASS(wxGCDC);
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};
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class WXDLLIMPEXP_CORE wxGCDCImpl: public wxDCImpl
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{
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public:
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wxGCDCImpl( wxDC *owner, const wxWindowDC& dc );
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wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc );
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#if wxUSE_PRINTING_ARCHITECTURE
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wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc );
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#endif
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#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
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wxGCDCImpl( wxDC *owner, const wxEnhMetaFileDC& dc );
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#endif
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// Ctor using an existing graphics context given to wxGCDC ctor.
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wxGCDCImpl(wxDC *owner, wxGraphicsContext* context);
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wxGCDCImpl( wxDC *owner );
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virtual ~wxGCDCImpl();
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// implement base class pure virtuals
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// ----------------------------------
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virtual void Clear() override;
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virtual bool StartDoc( const wxString& message ) override;
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virtual void EndDoc() override;
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virtual void StartPage() override;
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virtual void EndPage() override;
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// flushing the content of this dc immediately onto screen
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virtual void Flush() override;
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virtual void SetFont(const wxFont& font) override;
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virtual void SetPen(const wxPen& pen) override;
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virtual void SetBrush(const wxBrush& brush) override;
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virtual void SetBackground(const wxBrush& brush) override;
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virtual void SetBackgroundMode(int mode) override;
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#if wxUSE_PALETTE
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virtual void SetPalette(const wxPalette& palette) override;
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#endif
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virtual void DestroyClippingRegion() override;
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virtual wxCoord GetCharHeight() const override;
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virtual wxCoord GetCharWidth() const override;
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virtual bool CanDrawBitmap() const override;
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virtual bool CanGetTextExtent() const override;
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virtual int GetDepth() const override;
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virtual wxSize GetPPI() const override;
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virtual void SetLogicalFunction(wxRasterOperationMode function) override;
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virtual void SetTextForeground(const wxColour& colour) override;
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virtual void SetTextBackground(const wxColour& colour) override;
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virtual void ComputeScaleAndOrigin() override;
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wxGraphicsContext* GetGraphicsContext() const override { return m_graphicContext; }
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virtual void SetGraphicsContext( wxGraphicsContext* ctx ) override;
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virtual void* GetHandle() const override;
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#if wxUSE_DC_TRANSFORM_MATRIX
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virtual bool CanUseTransformMatrix() const override;
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virtual bool SetTransformMatrix(const wxAffineMatrix2D& matrix) override;
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virtual wxAffineMatrix2D GetTransformMatrix() const override;
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virtual void ResetTransformMatrix() override;
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#endif // wxUSE_DC_TRANSFORM_MATRIX
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// coordinates conversions and transforms
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virtual wxPoint DeviceToLogical(wxCoord x, wxCoord y) const override;
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virtual wxPoint LogicalToDevice(wxCoord x, wxCoord y) const override;
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virtual wxSize DeviceToLogicalRel(int x, int y) const override;
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virtual wxSize LogicalToDeviceRel(int x, int y) const override;
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// the true implementations
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virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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wxFloodFillStyle style = wxFLOOD_SURFACE) override;
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virtual void DoGradientFillLinear(const wxRect& rect,
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const wxColour& initialColour,
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const wxColour& destColour,
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wxDirection nDirection = wxEAST) override;
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virtual void DoGradientFillConcentric(const wxRect& rect,
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const wxColour& initialColour,
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const wxColour& destColour,
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const wxPoint& circleCenter) override;
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virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const override;
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virtual void DoDrawPoint(wxCoord x, wxCoord y) override;
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#if wxUSE_SPLINES
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virtual void DoDrawSpline(const wxPointList *points) override;
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#endif
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virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) override;
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virtual void DoDrawArc(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord xc, wxCoord yc) override;
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virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height) override;
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virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea) override;
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) override;
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virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height,
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double radius) override;
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virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) override;
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virtual void DoCrossHair(wxCoord x, wxCoord y) override;
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virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) override;
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virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = false) override;
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virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) override;
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virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
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double angle) override;
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virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
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wxDC *source, wxCoord xsrc, wxCoord ysrc,
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wxRasterOperationMode rop = wxCOPY, bool useMask = false,
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wxCoord xsrcMask = -1, wxCoord ysrcMask = -1) override;
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virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
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wxCoord dstWidth, wxCoord dstHeight,
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wxDC *source,
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wxCoord xsrc, wxCoord ysrc,
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wxCoord srcWidth, wxCoord srcHeight,
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wxRasterOperationMode = wxCOPY, bool useMask = false,
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wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord) override;
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virtual void DoGetSize(int *,int *) const override;
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virtual void DoGetSizeMM(int* width, int* height) const override;
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virtual void DoDrawLines(int n, const wxPoint points[],
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wxCoord xoffset, wxCoord yoffset) override;
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virtual void DoDrawPolygon(int n, const wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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wxPolygonFillMode fillStyle = wxODDEVEN_RULE) override;
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virtual void DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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wxPolygonFillMode fillStyle) override;
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virtual void DoSetDeviceClippingRegion(const wxRegion& region) override;
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height) override;
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virtual bool DoGetClippingRect(wxRect& rect) const override;
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virtual void DoGetTextExtent(const wxString& string,
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wxCoord *x, wxCoord *y,
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wxCoord *descent = nullptr,
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wxCoord *externalLeading = nullptr,
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const wxFont *theFont = nullptr) const override;
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virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const override;
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#ifdef __WXMSW__
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virtual wxRect MSWApplyGDIPlusTransform(const wxRect& r) const override;
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#endif // __WXMSW__
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// update the internal clip box variables
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void UpdateClipBox();
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protected:
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// unused int parameter distinguishes this version, which does not create a
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// wxGraphicsContext, in the expectation that the derived class will do it
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wxGCDCImpl(wxDC* owner, int);
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#ifdef __WXOSX__
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#if WXWIN_COMPATIBILITY_3_2
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wxDEPRECATED_MSG("Don't use OSXGetOrigin()")
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virtual wxPoint OSXGetOrigin() const { return wxPoint(); }
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#endif // WXWIN_COMPATIBILITY_3_2
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#endif
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// scaling variables
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bool m_logicalFunctionSupported;
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wxGraphicsMatrix m_matrixOriginal;
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wxGraphicsMatrix m_matrixCurrent;
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wxGraphicsMatrix m_matrixCurrentInv;
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#if wxUSE_DC_TRANSFORM_MATRIX
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wxAffineMatrix2D m_matrixExtTransform;
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#endif // wxUSE_DC_TRANSFORM_MATRIX
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wxGraphicsContext* m_graphicContext;
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bool m_isClipBoxValid;
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private:
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// This method only initializes trivial fields.
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void CommonInit();
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// This method initializes all fields (including those initialized by
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// CommonInit() as it calls it) and the given context, if non-null, which
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// is assumed to be newly created.
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void Init(wxGraphicsContext*);
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// This method initializes m_graphicContext, m_ok and m_matrixOriginal
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// fields, returns true if the context was valid.
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bool DoInitContext(wxGraphicsContext* ctx);
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// Another convenient wrapper for CalcBoundingBox().
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// This is not an overload in order to avoid hiding the base class ones.
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void CalcBoundingBoxForBox(const wxRect2DDouble& box)
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{
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CalcBoundingBox(wxRound(box.m_x), wxRound(box.m_y));
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CalcBoundingBox(wxRound(box.m_x + box.m_width),
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wxRound(box.m_y + box.m_height));
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}
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wxDECLARE_CLASS(wxGCDCImpl);
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wxDECLARE_NO_COPY_CLASS(wxGCDCImpl);
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};
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#endif // wxUSE_GRAPHICS_CONTEXT
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#endif // _WX_GRAPHICS_DC_H_
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