1. MSW message handling simplifications
2. wxDC split into wxDC and wxDCBase 3. Several minor bug fixes, many major new bugs git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2455 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
@@ -6,397 +6,185 @@
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DC_H_
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#define _WX_DC_H_
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#ifdef __GNUG__
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#pragma interface "dc.h"
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#pragma interface "dc.h"
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#endif
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#include "wx/pen.h"
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#include "wx/brush.h"
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#include "wx/icon.h"
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#include "wx/font.h"
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#include "wx/gdicmn.h"
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#include "wx/window.h"
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// Clash with Windows header files
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#ifdef StartDoc
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#undef StartDoc
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#endif
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#ifdef DrawText
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#undef DrawText
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#endif
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#ifdef GetCharWidth
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#undef GetCharWidth
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#endif
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class WXDLLEXPORT wxDC: public wxObject
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class WXDLLEXPORT wxDC : public wxDCBase
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{
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DECLARE_ABSTRACT_CLASS(wxDC)
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protected:
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DECLARE_DYNAMIC_CLASS(wxDC)
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public:
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wxDC(void);
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~wxDC(void);
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wxDC();
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~wxDC();
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#ifdef WX_COMP_INLINE_NO_CLASS
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inline void BeginDrawing(void) {}
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inline void EndDrawing(void) {}
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#else
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inline void wxDC::BeginDrawing(void) {}
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inline void wxDC::EndDrawing(void) {}
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#endif
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// implement base class pure virtuals
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// ----------------------------------
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virtual void FloodFill(long x1, long y1, const wxColour& col, int style=wxFLOOD_SURFACE) ;
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inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE)
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{
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FloodFill(pt.x, pt.y, col, style);
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}
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virtual void Clear();
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virtual bool GetPixel(long x1, long y1, wxColour *col) const ;
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inline bool GetPixel(const wxPoint& pt, wxColour *col) const
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{
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return GetPixel(pt.x, pt.y, col);
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}
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virtual bool StartDoc(const wxString& message);
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virtual void EndDoc();
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virtual void DrawLine(long x1, long y1, long x2, long y2);
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inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
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{
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DrawLine(pt1.x, pt1.y, pt2.x, pt2.y);
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}
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virtual void StartPage();
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virtual void EndPage();
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virtual void CrossHair(long x, long y) ;
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inline void CrossHair(const wxPoint& pt)
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{
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CrossHair(pt.x, pt.y);
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}
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virtual void SetFont(const wxFont& font);
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virtual void SetPen(const wxPen& pen);
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virtual void SetBrush(const wxBrush& brush);
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virtual void SetBackground(const wxBrush& brush);
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virtual void SetBackgroundMode(int mode);
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virtual void SetPalette(const wxPalette& palette);
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virtual void DrawArc(long x1,long y1,long x2,long y2,long xc, long yc);
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inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
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{
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DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y);
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}
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virtual void DestroyClippingRegion();
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virtual void DrawEllipticArc (long x, long y, long w, long h, double sa, double ea);
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virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea)
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{
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DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
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}
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virtual long GetCharHeight() const;
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virtual long GetCharWidth() const;
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virtual void GetTextExtent(const wxString& string,
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long *x, long *y,
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long *descent = NULL,
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long *externalLeading = NULL,
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wxFont *theFont = NULL) const;
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virtual void DrawPoint(long x, long y);
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inline void DrawPoint(const wxPoint& pt)
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{
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DrawPoint(pt.x, pt.y);
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}
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virtual bool CanDrawBitmap() const;
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virtual bool CanGetTextExtent() const;
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virtual int GetDepth() const;
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virtual wxSize GetPPI() const;
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virtual void DrawLines(int n, wxPoint points[], long xoffset = 0, long yoffset = 0);
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virtual void SetMapMode(int mode);
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virtual void SetUserScale(double x, double y);
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virtual void SetSystemScale(double x, double y);
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virtual void SetLogicalScale(double x, double y);
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virtual void SetLogicalOrigin(long x, long y);
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virtual void SetDeviceOrigin(long x, long y);
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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virtual void SetLogicalFunction(int function);
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virtual void DrawPolygon(int n, wxPoint points[], long xoffset = 0, long yoffset = 0, int fillStyle=wxODDEVEN_RULE);
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// implementation from now on
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// --------------------------
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virtual void DrawRectangle(long x, long y, long width, long height);
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inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
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{
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DrawRectangle(pt.x, pt.y, sz.x, sz.y);
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}
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inline void DrawRectangle(const wxRect& rect)
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{
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DrawRectangle(rect.x, rect.y, rect.width, rect.height);
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}
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virtual void SetRop(WXHDC cdc);
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virtual void DoClipping(WXHDC cdc);
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virtual void SelectOldObjects(WXHDC dc);
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virtual void DrawRoundedRectangle(long x, long y, long width, long height, double radius = 20.0);
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inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0)
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{
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DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
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}
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inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
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{
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DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
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}
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wxWindow *GetWindow() const { return m_canvas; }
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void SetWindow(wxWindow *win) { m_canvas = win; }
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virtual void DrawEllipse(long x, long y, long width, long height);
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inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
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{
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DrawEllipse(pt.x, pt.y, sz.x, sz.y);
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}
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inline void DrawEllipse(const wxRect& rect)
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{
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DrawEllipse(rect.x, rect.y, rect.width, rect.height);
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}
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virtual void DrawIcon(const wxIcon& icon, long x, long y);
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inline void DrawIcon(const wxIcon& icon, const wxPoint& pt)
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{
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DrawIcon(icon, pt.x, pt.y);
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}
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virtual void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE );
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inline void DrawPoint(wxPoint& point) { DrawPoint(point.x, point.y); }
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virtual void DrawLines(wxList *list, long xoffset = 0, long yoffset = 0);
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virtual void DrawPolygon(wxList *list, long xoffset = 0, long yoffset = 0, int fillStyle=wxODDEVEN_RULE);
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virtual void DrawText(const wxString& text, long x, long y, bool use16bit = FALSE);
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inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE)
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{
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DrawText(text, pt.x, pt.y, use16bit);
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}
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virtual bool Blit(long xdest, long ydest, long width, long height,
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wxDC *source, long xsrc, long ysrc, int rop = wxCOPY, bool useMask = FALSE);
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inline bool Blit(const wxPoint& destPt, const wxSize& sz,
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wxDC *source, const wxPoint& srcPt, int rop = wxCOPY, bool useMask = FALSE)
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{
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return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
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}
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#if wxUSE_SPLINES
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// Splines
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// 3-point spline
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virtual void DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3);
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// Any number of control points - a list of pointers to wxPoints
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virtual void DrawSpline(wxList *points);
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virtual void DrawSpline(int n, wxPoint points[]);
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#endif
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virtual void Clear(void);
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virtual void SetFont(const wxFont& font);
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virtual void SetPen(const wxPen& pen);
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virtual void SetBrush(const wxBrush& brush);
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virtual void SetLogicalFunction(int function);
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virtual void SetBackground(const wxBrush& brush);
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virtual void SetBackgroundMode(int mode);
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virtual void SetClippingRegion(long x, long y, long width, long height);
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inline void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
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{
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SetClippingRegion(pt.x, pt.y, sz.x, sz.y);
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}
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inline void SetClippingRegion(const wxRect& rect)
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{
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SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
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}
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virtual void SetClippingRegion(const wxRegion& region);
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virtual void SetPalette(const wxPalette& palette);
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#if WXWIN_COMPATIBILITY
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virtual inline void SetColourMap(const wxPalette& palette) { SetPalette(palette); };
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#endif
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virtual void DestroyClippingRegion(void);
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virtual long GetCharHeight(void) const;
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virtual long GetCharWidth(void) const;
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virtual void GetTextExtent(const wxString& string, long *x, long *y,
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long *descent = NULL, long *externalLeading = NULL,
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wxFont *theFont = NULL, bool use16bit = FALSE) const;
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#if WXWIN_COMPATIBILITY
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void GetTextExtent(const wxString& string, float *x, float *y,
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float *descent = NULL, float *externalLeading = NULL,
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wxFont *theFont = NULL, bool use16bit = FALSE) const ;
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#endif
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// Size in device units
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virtual void GetSize(int* width, int* height) const;
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inline wxSize GetSize() const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
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// Size in mm
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virtual void GetSizeMM(int* width, int* height) const ;
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inline wxSize GetSizeMM() const { int w, h; GetSizeMM(&w, &h); return wxSize(w, h); }
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// Resolution in Pixels per inch
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virtual wxSize GetPPI(void) const ;
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// Compatibility
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#if WXWIN_COMPATIBILITY
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inline void GetSize(float* width, float* height) const { int w, h; GetSize(& w, & h); *width = w; *height = h; }
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inline void GetSizeMM(float *width, float *height) const { long w, h; GetSizeMM(& w, & h); *width = (float) w; *height = (float) h; }
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#endif
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virtual bool StartDoc(const wxString& message);
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virtual void EndDoc(void);
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virtual void StartPage(void);
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virtual void EndPage(void);
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virtual void SetMapMode(int mode);
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virtual void SetUserScale(double x, double y);
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virtual void SetSystemScale(double x, double y);
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virtual void SetLogicalOrigin(long x, long y);
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virtual void SetDeviceOrigin(long x, long y);
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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// This group of functions does actual conversion
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// of the input, as you'd expect.
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long DeviceToLogicalX(long x) const;
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long DeviceToLogicalY(long y) const;
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long DeviceToLogicalXRel(long x) const;
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long DeviceToLogicalYRel(long y) const;
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long LogicalToDeviceX(long x) const;
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long LogicalToDeviceY(long y) const;
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long LogicalToDeviceXRel(long x) const;
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long LogicalToDeviceYRel(long y) const;
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// This group of functions may not do any conversion
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// if m_scaleGDI is TRUE, since the HDC does the
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// conversion automatically.
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// m_scaleGDI NOW OBSOLETE
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long ImplDeviceToLogicalX(long x) const;
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long ImplDeviceToLogicalY(long y) const;
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long ImplDeviceToLogicalXRel(long x) const;
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long ImplDeviceToLogicalYRel(long y) const;
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long ImplLogicalToDeviceX(long x) const;
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long ImplLogicalToDeviceY(long y) const;
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long ImplLogicalToDeviceXRel(long x) const;
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long ImplLogicalToDeviceYRel(long y) const;
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virtual bool CanDrawBitmap(void) const;
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virtual bool CanGetTextExtent(void) const;
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virtual void SetTextForeground(const wxColour& colour);
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virtual void SetTextBackground(const wxColour& colour);
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inline virtual bool Ok(void) const {return m_ok;};
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inline virtual int GetMapMode(void) const {return m_mappingMode;};
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inline virtual wxBrush& GetBackground(void) const { return (wxBrush&) m_backgroundBrush ;}
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inline virtual wxBrush& GetBrush(void) const { return (wxBrush&) m_brush ;}
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inline virtual wxFont& GetFont(void) const { return (wxFont&) m_font ;}
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inline virtual int GetLogicalFunction(void) const { return m_logicalFunction ;}
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inline virtual wxPen& GetPen(void) const { return (wxPen&) m_pen ;}
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inline virtual wxColour&GetTextBackground(void) const { return (wxColour&) m_textBackgroundColour ;}
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inline virtual wxColour&GetTextForeground(void) const { return (wxColour&) m_textForegroundColour ;}
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virtual void SetLogicalScale(double x, double y);
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virtual inline void GetUserScale(double* x, double *y) const { *x = m_userScaleX; *y = m_userScaleY; }
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virtual void CalcBoundingBox(long x, long y);
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// Get the final bounding box of the PostScript or Metafile picture.
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virtual inline long MinX(void) const { return m_minX; }
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virtual inline long MaxX(void) const { return m_maxX; }
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virtual inline long MinY(void) const { return m_minY; }
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virtual inline long MaxY(void) const { return m_maxY; }
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// Sometimes we need to override optimization, e.g.
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// if other software is drawing onto our surface and we
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// can't be sure of who's done what.
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virtual inline void SetOptimization(bool WXUNUSED(opt)) { }
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virtual inline bool GetOptimization(void) { return FALSE; }
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virtual void GetClippingBox(long *x,long *y,long *w,long *h) const ;
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inline void GetClippingBox(wxRect& rect) const
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{
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long x, y, w, h;
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GetClippingBox(&x, &y, &w, &h); rect.x = x; rect.y = y; rect.width = w; rect.height = h;
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}
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// This should probably be made available on other platforms
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#ifdef WX_COMP_INLINE_NO_CLASS
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int GetDepth(void) const ;
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#else
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int wxDC::GetDepth(void) const ;
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#endif
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// Implementation
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virtual void SetRop(WXHDC cdc);
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virtual void DoClipping(WXHDC cdc);
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virtual void SelectOldObjects(WXHDC dc);
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inline wxWindow *GetWindow(void) const { return m_canvas; }
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inline void SetWindow(wxWindow *win) { m_canvas = win; }
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inline WXHDC GetHDC(void) const { return m_hDC; }
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inline void SetHDC(WXHDC dc, bool bOwnsDC = FALSE) { m_hDC = dc; m_bOwnsDC = bOwnsDC; }
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WXHDC GetHDC() const { return m_hDC; }
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void SetHDC(WXHDC dc, bool bOwnsDC = FALSE)
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{
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m_hDC = dc;
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m_bOwnsDC = bOwnsDC;
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}
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protected:
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bool m_colour;
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bool m_ok;
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bool m_clipping;
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bool m_isInteractive;
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virtual void DoFloodFill(long x, long y, const wxColour& col,
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int style = wxFLOOD_SURFACE);
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// Coordinate system variables
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long m_logicalOriginX;
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long m_logicalOriginY;
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virtual bool DoGetPixel(long x, long y, wxColour *col) const;
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long m_deviceOriginX;
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long m_deviceOriginY;
|
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virtual void DoDrawPoint(long x, long y);
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virtual void DoDrawLine(long x1, long y1, long x2, long y2);
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double m_logicalScaleX;
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double m_logicalScaleY;
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virtual void DoDrawArc(long x1, long y1,
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long x2, long y2,
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long xc, long yc);
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virtual void DoDrawEllipticArc(long x, long y, long w, long h,
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double sa, double ea);
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double m_userScaleX;
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double m_userScaleY;
|
||||
virtual void DoDrawRectangle(long x, long y, long width, long height);
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virtual void DoDrawRoundedRectangle(long x, long y,
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long width, long height,
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double radius);
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virtual void DoDrawEllipse(long x, long y, long width, long height);
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||||
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||||
int m_signX; // Used by SetAxisOrientation() to
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int m_signY; // invert the axes
|
||||
virtual void DoCrossHair(long x, long y);
|
||||
|
||||
int m_mappingMode;
|
||||
virtual void DoDrawIcon(const wxIcon& icon, long x, long y);
|
||||
virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y,
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bool useMask = FALSE);
|
||||
|
||||
long m_minX; // bounding box
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||||
long m_minY;
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long m_maxX;
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long m_maxY;
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||||
virtual void DoDrawText(const wxString& text, long x, long y);
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||||
|
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int m_logicalFunction;
|
||||
int m_backgroundMode;
|
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virtual bool DoBlit(long xdest, long ydest, long width, long height,
|
||||
wxDC *source, long xsrc, long ysrc,
|
||||
int rop = wxCOPY, bool useMask = FALSE);
|
||||
|
||||
wxPen m_pen;
|
||||
wxBrush m_brush;
|
||||
wxBrush m_backgroundBrush;
|
||||
wxColour m_textForegroundColour;
|
||||
wxColour m_textBackgroundColour;
|
||||
wxFont m_font;
|
||||
wxPalette m_palette;
|
||||
int m_clipX1;
|
||||
int m_clipY1;
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||||
int m_clipX2;
|
||||
int m_clipY2;
|
||||
// bool m_dontDelete;
|
||||
int m_windowExtX;
|
||||
int m_windowExtY;
|
||||
double m_systemScaleX;
|
||||
double m_systemScaleY;
|
||||
// this is gnarly - we can't even call this function DoSetClippingRegion()
|
||||
// because of virtual function hiding
|
||||
virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
|
||||
virtual void DoSetClippingRegion(long x, long y,
|
||||
long width, long height);
|
||||
virtual void DoGetClippingRegion(long *x, long *y,
|
||||
long *width, long *height)
|
||||
{
|
||||
GetClippingBox(x, y, width, height);
|
||||
}
|
||||
|
||||
wxWindow * m_canvas;
|
||||
wxBitmap m_selectedBitmap;
|
||||
virtual void DoGetSize(int *width, int *height) const;
|
||||
virtual void DoGetSizeMM(int* width, int* height) const;
|
||||
|
||||
// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
|
||||
bool m_bOwnsDC;
|
||||
virtual void DoDrawLines(int n, wxPoint points[],
|
||||
long xoffset, long yoffset);
|
||||
virtual void DoDrawPolygon(int n, wxPoint points[],
|
||||
long xoffset, long yoffset,
|
||||
int fillStyle = wxODDEVEN_RULE);
|
||||
|
||||
WXHDC m_hDC;
|
||||
int m_hDCCount;
|
||||
#if wxUSE_SPLINES
|
||||
virtual void DoDrawSpline(wxList *points);
|
||||
#endif // wxUSE_SPLINES
|
||||
|
||||
// Store all old GDI objects when do a SelectObject,
|
||||
// so we can select them back in (this unselecting user's
|
||||
// objects) so we can safely delete the DC.
|
||||
WXHBITMAP m_oldBitmap;
|
||||
WXHPEN m_oldPen;
|
||||
WXHBRUSH m_oldBrush;
|
||||
WXHFONT m_oldFont;
|
||||
WXHPALETTE m_oldPalette;
|
||||
// MSW-specific member variables
|
||||
int m_windowExtX;
|
||||
int m_windowExtY;
|
||||
|
||||
// Stores scaling, translation, rotation
|
||||
// wxTransformMatrix m_transformMatrix;
|
||||
// the window associated with this DC (may be NULL)
|
||||
wxWindow *m_canvas;
|
||||
|
||||
// Do we wish to scale GDI objects too, e.g. pen width?
|
||||
// bool m_scaleGDI;
|
||||
wxBitmap m_selectedBitmap;
|
||||
|
||||
// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
|
||||
bool m_bOwnsDC:1;
|
||||
|
||||
// our HDC and its usage count: we only free it when the usage count drops
|
||||
// to 0
|
||||
WXHDC m_hDC;
|
||||
int m_hDCCount;
|
||||
|
||||
// Store all old GDI objects when do a SelectObject, so we can select them
|
||||
// back in (this unselecting user's objects) so we can safely delete the
|
||||
// DC.
|
||||
WXHBITMAP m_oldBitmap;
|
||||
WXHPEN m_oldPen;
|
||||
WXHBRUSH m_oldBrush;
|
||||
WXHFONT m_oldFont;
|
||||
WXHPALETTE m_oldPalette;
|
||||
};
|
||||
|
||||
// Logical to device
|
||||
// Absolute
|
||||
#define XLOG2DEV(x) ImplLogicalToDeviceX(x)
|
||||
|
||||
#define YLOG2DEV(y) ImplLogicalToDeviceY(y)
|
||||
#define XLOG2DEV(x) (x)
|
||||
#define YLOG2DEV(y) (y)
|
||||
|
||||
// Relative
|
||||
#define XLOG2DEVREL(x) ImplLogicalToDeviceXRel(x)
|
||||
#define YLOG2DEVREL(y) ImplLogicalToDeviceYRel(y)
|
||||
#define XLOG2DEVREL(x) (x)
|
||||
#define YLOG2DEVREL(y) (y)
|
||||
|
||||
// Device to logical
|
||||
// Absolute
|
||||
#define XDEV2LOG(x) ImplDeviceToLogicalX(x)
|
||||
#define XDEV2LOG(x) (x)
|
||||
|
||||
#define YDEV2LOG(y) ImplDeviceToLogicalY(y)
|
||||
#define YDEV2LOG(y) (y)
|
||||
|
||||
// Relative
|
||||
#define XDEV2LOGREL(x) ImplDeviceToLogicalXRel(x)
|
||||
#define YDEV2LOGREL(y) ImplDeviceToLogicalYRel(y)
|
||||
#define XDEV2LOGREL(x) (x)
|
||||
#define YDEV2LOGREL(y) (y)
|
||||
|
||||
/*
|
||||
* Have the same macros as for XView but not for every operation:
|
||||
@@ -426,8 +214,6 @@ protected:
|
||||
#define MM_POINTS 9
|
||||
#define MM_METRIC 10
|
||||
|
||||
extern int wxPageNumber;
|
||||
|
||||
// Conversion
|
||||
#define METRIC_CONVERSION_CONSTANT 0.0393700787
|
||||
|
||||
@@ -443,6 +229,5 @@ extern int wxPageNumber;
|
||||
|
||||
#define wx_round(a) (int)((a)+.5)
|
||||
|
||||
|
||||
#endif
|
||||
// _WX_DC_H_
|
||||
|
||||
Reference in New Issue
Block a user