4bc67cc550
wxCHECKs and no more dependance of wxBitmap on wxImage in its API git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1117 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
378 lines
13 KiB
C++
378 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: dc.h
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// Purpose:
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __GTKDCH__
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#define __GTKDCH__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "wx/defs.h"
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#include "wx/object.h"
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#include "wx/gdicmn.h"
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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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//-----------------------------------------------------------------------------
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// classes
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//-----------------------------------------------------------------------------
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class wxDC;
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//-----------------------------------------------------------------------------
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// constants
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//-----------------------------------------------------------------------------
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#define MM_TEXT 0
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#define MM_ISOTROPIC 1
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#define MM_ANISOTROPIC 2
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#define MM_LOMETRIC 3
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#define MM_HIMETRIC 4
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#define MM_TWIPS 5
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#define MM_POINTS 6
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#define MM_METRIC 7
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//-----------------------------------------------------------------------------
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// global variables
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//-----------------------------------------------------------------------------
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extern int wxPageNumber;
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//-----------------------------------------------------------------------------
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// wxDC
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//-----------------------------------------------------------------------------
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class wxDC: public wxObject
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{
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DECLARE_ABSTRACT_CLASS(wxDC)
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public:
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wxDC();
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~wxDC();
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virtual void BeginDrawing() {}
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virtual void EndDrawing() {}
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virtual bool Ok() const;
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virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0;
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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 bool GetPixel( long x, long y, wxColour *col ) const = 0;
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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 void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
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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 CrossHair( long x, long y ) = 0;
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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 DrawArc( long x1, long y1, long x2, long y2, double xc, double 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 DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
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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 void DrawPoint( long x, long y ) = 0;
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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 void DrawPoint( wxPoint& point );
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virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
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virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
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virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
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int fillStyle=wxODDEVEN_RULE ) = 0;
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virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
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int fillStyle=wxODDEVEN_RULE );
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virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
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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 DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 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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virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
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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 DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
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virtual void DrawSpline( wxList *points ) = 0;
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virtual void DrawSpline( int n, wxPoint points[] );
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virtual bool CanDrawBitmap(void) const = 0;
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virtual void DrawIcon( const wxIcon &icon, long x, long y ) = 0;
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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 ) = 0;
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inline void DrawBitmap( const wxBitmap& bitmap, const wxPoint& pt, bool useMask=FALSE )
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{
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DrawBitmap(bitmap, pt.x, pt.y, useMask );
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}
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virtual bool Blit( long xdest, long ydest,
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long width, long height,
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wxDC *source,
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long xsrc, long ysrc,
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int logical_func=wxCOPY,
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bool useMask=FALSE ) = 0;
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inline bool Blit( const wxPoint& destPt,
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const wxSize& sz,
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wxDC *source,
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const wxPoint& srcPt,
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int rop = wxCOPY,
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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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virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
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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 CanGetTextExtent(void) const = 0;
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virtual void GetTextExtent( const wxString &string,
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long *width, long *height,
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long *descent = (long *) NULL,
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long *externalLeading = (long *) NULL,
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wxFont *theFont = (wxFont *) NULL,
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bool use16 = FALSE ) = 0;
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virtual long GetCharWidth(void) = 0;
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virtual long GetCharHeight(void) = 0;
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virtual void Clear() = 0;
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virtual void SetFont( const wxFont &font ) = 0;
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virtual wxFont *GetFont() { return &m_font; };
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virtual void SetPen( const wxPen &pen ) = 0;
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virtual wxPen *GetPen() { return &m_pen; };
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virtual void SetBrush( const wxBrush &brush ) = 0;
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virtual wxBrush *GetBrush() { return &m_brush; };
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virtual void SetBackground( const wxBrush &brush ) = 0;
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virtual wxBrush *GetBackground() { return &m_backgroundBrush; };
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virtual void SetLogicalFunction( int function ) = 0;
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virtual int GetLogicalFunction() { return m_logicalFunction; };
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virtual void SetTextForeground( const wxColour &col );
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virtual void SetTextBackground( const wxColour &col );
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virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
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virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };
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virtual void SetBackgroundMode( int mode ) = 0;
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virtual int GetBackgroundMode() { return m_backgroundMode; };
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virtual void SetPalette( const wxPalette& palette ) = 0;
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void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
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// the first two must be overridden and called
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virtual void DestroyClippingRegion(void);
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virtual void SetClippingRegion( long x, long y, long width, long height );
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virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
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virtual void SetClippingRegion( const wxRegion ®ion ) = 0;
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virtual long MinX() const { return m_minX; }
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virtual long MaxX() const { return m_maxX; }
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virtual long MinY() const { return m_minY; }
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virtual long MaxY() const { return m_maxY; }
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virtual void GetSize( int* width, int* height ) const;
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inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
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virtual void GetSizeMM( long* width, long* height ) const;
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virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
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virtual void EndDoc() {}
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virtual void StartPage() {}
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virtual void EndPage() {}
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virtual void SetMapMode( int mode );
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virtual int GetMapMode(void) const { return m_mappingMode; };
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virtual void SetUserScale( double x, double y );
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virtual void GetUserScale( double *x, double *y );
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virtual void SetLogicalScale( double x, double y );
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virtual void GetLogicalScale( double *x, double *y );
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virtual void SetLogicalOrigin( long x, long y );
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virtual void GetLogicalOrigin( long *x, long *y );
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virtual void SetDeviceOrigin( long x, long y );
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virtual void GetDeviceOrigin( long *x, long *y );
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virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
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virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
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virtual bool GetOptimization() { return m_optimize; }
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virtual long DeviceToLogicalX(long x) const;
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virtual long DeviceToLogicalY(long y) const;
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virtual long DeviceToLogicalXRel(long x) const;
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virtual long DeviceToLogicalYRel(long y) const;
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virtual long LogicalToDeviceX(long x) const;
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virtual long LogicalToDeviceY(long y) const;
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virtual long LogicalToDeviceXRel(long x) const;
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virtual long LogicalToDeviceYRel(long y) const;
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// implementation
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void CalcBoundingBox( long x, long y );
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void ComputeScaleAndOrigin();
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long XDEV2LOG(long x) const
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{
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long new_x = x - m_deviceOriginX;
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if (new_x > 0)
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return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
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else
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return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
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}
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long XDEV2LOGREL(long x) const
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{
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if (x > 0)
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return (long)((double)(x) / m_scaleX + 0.5);
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else
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return (long)((double)(x) / m_scaleX - 0.5);
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}
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long YDEV2LOG(long y) const
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{
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long new_y = y - m_deviceOriginY;
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if (new_y > 0)
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return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
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else
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return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
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}
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long YDEV2LOGREL(long y) const
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{
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if (y > 0)
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return (long)((double)(y) / m_scaleY + 0.5);
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else
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return (long)((double)(y) / m_scaleY - 0.5);
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}
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long XLOG2DEV(long x) const
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{
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long new_x = x - m_logicalOriginX;
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if (new_x > 0)
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return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
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else
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return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
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}
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long XLOG2DEVREL(long x) const
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{
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if (x > 0)
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return (long)((double)(x) * m_scaleX + 0.5);
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else
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return (long)((double)(x) * m_scaleX - 0.5);
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}
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long YLOG2DEV(long y) const
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{
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long new_y = y - m_logicalOriginY;
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if (new_y > 0)
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return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
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else
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return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
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}
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long YLOG2DEVREL(long y) const
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{
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if (y > 0)
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return (long)((double)(y) * m_scaleY + 0.5);
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else
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return (long)((double)(y) * m_scaleY - 0.5);
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}
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public:
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bool m_ok;
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bool m_colour;
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// not sure, what these mean
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bool m_clipping; // Is clipping on right now ?
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bool m_isInteractive; // Is GetPixel possible ?
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bool m_autoSetting; // wxMSW only ?
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bool m_dontDelete; // wxMSW only ?
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bool m_optimize; // wxMSW only ?
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wxString m_filename; // Not sure where this belongs.
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wxPen m_pen;
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wxBrush m_brush;
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wxBrush m_backgroundBrush;
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wxColour m_textForegroundColour;
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wxColour m_textBackgroundColour;
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wxFont m_font;
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int m_logicalFunction;
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int m_backgroundMode;
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int m_textAlignment; // gone in wxWin 2.0 ?
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int m_mappingMode;
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// not sure what for, but what is a mm on a screen you don't know the size of?
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double m_mm_to_pix_x,m_mm_to_pix_y;
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long m_deviceOriginX,m_deviceOriginY;
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long m_logicalOriginX,m_logicalOriginY; // User defined.
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double m_scaleX,m_scaleY;
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double m_logicalScaleX,m_logicalScaleY;
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double m_userScaleX,m_userScaleY;
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long m_signX,m_signY;
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bool m_needComputeScaleX,m_needComputeScaleY; // not yet used
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float m_scaleFactor; // wxPSDC wants to have this. Will disappear.
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long m_clipX1,m_clipY1,m_clipX2,m_clipY2;
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long m_minX,m_maxX,m_minY,m_maxY;
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};
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#endif // __GTKDCH__
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