wxWidgets/include/wx/motif/dcclient.h
2001-03-13 23:38:57 +00:00

178 lines
5.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: dcclient.h
// Purpose: wxClientDC, wxPaintDC and wxWindowDC classes
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCCLIENT_H_
#define _WX_DCCLIENT_H_
#ifdef __GNUG__
#pragma interface "dcclient.h"
#endif
#include "wx/dc.h"
// -----------------------------------------------------------------------------
// fwd declarations
// -----------------------------------------------------------------------------
class WXDLLEXPORT wxWindowDC;
class WXDLLEXPORT wxWindow;
// Under Windows, wxClientDC, wxPaintDC and wxWindowDC are implemented
// differently. On many platforms, however, they will be the same.
//-----------------------------------------------------------------------------
// wxWindowDC
//-----------------------------------------------------------------------------
class WXDLLEXPORT wxWindowDC : public wxDC
{
DECLARE_DYNAMIC_CLASS(wxWindowDC)
public:
wxWindowDC();
wxWindowDC( wxWindow *win );
~wxWindowDC();
// TODO this function is Motif-only for now - should it go into base class?
void Clear(const wxRect& rect);
// implement base class pure virtuals
// ----------------------------------
virtual void Clear();
virtual void SetFont(const wxFont& font);
virtual void SetPen(const wxPen& pen);
virtual void SetBrush(const wxBrush& brush);
virtual void SetBackground(const wxBrush& brush);
virtual void SetBackgroundMode(int mode);
virtual void SetPalette(const wxPalette& palette);
virtual void SetLogicalFunction( int function );
virtual void SetTextForeground(const wxColour& colour);
virtual void SetTextBackground(const wxColour& colour);
virtual wxCoord GetCharHeight() const;
virtual wxCoord GetCharWidth() const;
virtual void DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
wxFont *theFont = NULL) const;
virtual bool CanDrawBitmap() const;
virtual bool CanGetTextExtent() const;
virtual int GetDepth() const;
virtual wxSize GetPPI() const;
virtual void DestroyClippingRegion();
// Helper function for setting clipping
void SetDCClipping();
// implementation from now on
// --------------------------
WXGC GetGC() const { return m_gc; }
WXGC GetBackingGC() const { return m_gcBacking; }
WXDisplay* GetDisplay() const { return m_display; }
bool GetAutoSetting() const { return m_autoSetting; }
void SetAutoSetting(bool flag) { m_autoSetting = flag; }
protected:
virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
int style = wxFLOOD_SURFACE);
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
virtual void DoDrawPoint(wxCoord x, wxCoord y);
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
virtual void DoDrawArc(wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc);
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea);
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
wxCoord width, wxCoord height,
double radius);
virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
virtual void DoCrossHair(wxCoord x, wxCoord y);
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
int rop = wxCOPY, bool useMask = FALSE);
virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height);
virtual void DoDrawLines(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset);
virtual void DoDrawPolygon(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
int fillStyle = wxODDEVEN_RULE);
WXGC m_gc;
WXGC m_gcBacking;
WXDisplay* m_display;
wxWindow* m_window;
WXRegion m_currentRegion; // Current clipping region (incl. paint clip region)
WXRegion m_userRegion; // User-defined clipping region
WXPixmap m_pixmap; // Pixmap for drawing on
// Not sure if we'll need all of these
int m_backgroundPixel;
wxColour m_currentColour;
// int m_currentBkMode;
int m_currentPenWidth ;
int m_currentPenJoin ;
int m_currentPenCap ;
int m_currentPenDashCount ;
wxMOTIFDash* m_currentPenDash ;
wxBitmap m_currentStipple ;
int m_currentStyle ;
int m_currentFill ;
int m_autoSetting ; // See comment in dcclient.cpp
WXFont m_oldFont;
};
class WXDLLEXPORT wxPaintDC: public wxWindowDC
{
DECLARE_DYNAMIC_CLASS(wxPaintDC)
public:
wxPaintDC() { }
wxPaintDC(wxWindow* win);
~wxPaintDC();
};
class WXDLLEXPORT wxClientDC: public wxWindowDC
{
DECLARE_DYNAMIC_CLASS(wxClientDC)
public:
wxClientDC() { }
wxClientDC(wxWindow* win) : wxWindowDC(win) { }
};
#endif
// _WX_DCCLIENT_H_