05adb9d2fd
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7994 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
507 lines
18 KiB
C++
507 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: dc.h
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// Purpose: wxDC class
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// Author: AUTHOR
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// Modified by:
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// Created: ??/??/98
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// RCS-ID: $Id$
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// Copyright: (c) AUTHOR
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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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#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/mac/aga.h"
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//-----------------------------------------------------------------------------
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// constants
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//-----------------------------------------------------------------------------
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#ifndef MM_TEXT
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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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#endif
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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 WXDLLEXPORT wxDC: public wxDCBase
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{
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DECLARE_DYNAMIC_CLASS(wxDC)
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public:
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wxDC();
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~wxDC();
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// implement base class pure virtuals
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// ----------------------------------
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virtual void Clear();
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virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; };
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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 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 DestroyClippingRegion();
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virtual wxCoord GetCharHeight() const;
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virtual wxCoord GetCharWidth() const;
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virtual void DoGetTextExtent(const wxString& string,
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wxCoord *x, wxCoord *y,
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wxCoord *descent = NULL,
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wxCoord *externalLeading = NULL,
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wxFont *theFont = NULL) const;
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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 SetMapMode(int mode);
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virtual void SetUserScale(double x, double y);
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virtual void SetLogicalScale(double x, double y);
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virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
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virtual void SetDeviceOrigin(wxCoord x, wxCoord 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 SetTextForeground(const wxColour& colour) ;
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virtual void SetTextBackground(const wxColour& colour) ;
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//
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//
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/*
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void BeginDrawing(void) {};
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void EndDrawing(void) {};
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virtual bool Ok(void) const { return m_ok; };
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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 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 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 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 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 DrawEllipticArc( long x, long y, long width, long height, 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 void DrawPoint( long x, long y );
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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 );
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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 );
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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 );
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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 );
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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 );
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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 );
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virtual void DrawSpline( int n, wxPoint points[] );
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virtual bool CanDrawBitmap(void) const ;
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virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask=FALSE );
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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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void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) ;
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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 logical_func = 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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virtual void DrawText( const wxString &text, long x, long y, bool use16 = 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 CanGetTextExtent(void) const ;
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virtual void GetTextExtent( const wxString &string, int *width, int *height,
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int *descent = NULL, int *externalLeading = NULL,
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wxFont *theFont = NULL, bool use16 = FALSE ) const ;
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virtual wxCoord GetCharWidth(void) const;
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virtual wxCoord GetCharHeight(void) const;
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virtual void Clear(void);
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virtual void SetFont( const wxFont &font );
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virtual wxFont& GetFont(void) const { return (wxFont&) m_font; };
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virtual void SetPen( const wxPen &pen );
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virtual wxPen& GetPen(void) const { return (wxPen&) m_pen; };
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virtual void SetBrush( const wxBrush &brush );
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virtual wxBrush& GetBrush(void) const { return (wxBrush&) m_brush; };
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virtual void SetBackground( const wxBrush &brush );
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virtual wxBrush& GetBackground(void) const { return (wxBrush&) m_backgroundBrush; };
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virtual void SetLogicalFunction( int function );
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virtual int GetLogicalFunction(void) const { 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(void) const { return (wxColour&)m_textBackgroundColour; };
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virtual wxColour& GetTextForeground(void) const { return (wxColour&)m_textForegroundColour; };
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virtual void SetBackgroundMode( int mode );
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virtual int GetBackgroundMode(void) const { return m_backgroundMode; };
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virtual void SetPalette( const wxPalette& palette );
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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 SetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
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virtual void SetClippingRegion( const wxRect& rect );
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virtual void DestroyClippingRegion(void);
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virtual void GetClippingBox( wxCoord *x, wxCoord *y, wxCoord *width, wxCoord *height ) const;
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virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
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virtual void GetClippingBox(wxRect& rect) const;
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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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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 int GetMapMode(void) const { return m_mappingMode; };
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virtual void GetUserScale( double *x, double *y );
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virtual void GetLogicalScale( double *x, double *y );
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virtual void GetLogicalOrigin( long *x, long *y );
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virtual void GetDeviceOrigin( long *x, long *y );
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virtual void SetInternalDeviceOrigin( long x, long y );
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virtual void GetInternalDeviceOrigin( long *x, long *y );
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virtual void SetOptimization( bool WXUNUSED(optimize) ) {};
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virtual bool GetOptimization(void) { 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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void CalcBoundingBox( long x, long y );
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*/
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void ComputeScaleAndOrigin(void);
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public:
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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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//
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protected:
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virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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int style = wxFLOOD_SURFACE);
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virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
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virtual void DoDrawPoint(wxCoord x, wxCoord y);
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virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
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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);
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virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea);
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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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);
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virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoCrossHair(wxCoord x, wxCoord y);
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virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
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virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = FALSE);
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virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
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virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
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double angle);
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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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int rop = wxCOPY, bool useMask = FALSE);
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// this is gnarly - we can't even call this function DoSetClippingRegion()
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// because of virtual function hiding
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virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height);
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virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
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wxCoord *width, wxCoord *height)
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{
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GetClippingBox(x, y, width, height);
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}
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virtual void DoGetSize(int *width, int *height) const;
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virtual void DoGetSizeMM(int* width, int* height) const;
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virtual void DoDrawLines(int n, wxPoint points[],
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wxCoord xoffset, wxCoord yoffset);
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virtual void DoDrawPolygon(int n, wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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int fillStyle = wxODDEVEN_RULE);
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#if wxUSE_SPLINES
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virtual void DoDrawSpline(wxList *points);
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#endif // wxUSE_SPLINES
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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_internalDeviceOriginX,m_internalDeviceOriginY; // If un-scrolled is non-zero or
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// d.o. changes with scrolling.
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// Set using SetInternalDeviceOrigin().
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long m_externalDeviceOriginX,m_externalDeviceOriginY; // To be set by external classes
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// such as wxScrolledWindow
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// using SetDeviceOrigin()
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long m_deviceOriginX,m_deviceOriginY; // Sum of the two above.
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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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//begin wxmac
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GrafPtr m_macPort ;
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GWorldPtr m_macMask ;
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// in order to preserve the const inheritance of the virtual functions, we have to
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// use mutable variables starting from CWPro 5
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void MacInstallFont() const ;
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void MacInstallPen() const ;
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void MacInstallBrush() const ;
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mutable bool m_macFontInstalled ;
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mutable bool m_macPenInstalled ;
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mutable bool m_macBrushInstalled ;
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mutable long m_macPortId ;
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GrafPtr m_macOrigPort ;
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Rect m_macClipRect ;
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Point m_macLocalOrigin ;
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AGAPortHelper m_macPortHelper ;
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void MacSetupPort() const ;
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void MacVerifySetup() const { if ( m_macPortId != m_macCurrentPortId ) MacSetupPort() ; }
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static long m_macCurrentPortId ;
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};
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#endif
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// _WX_DC_H_
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