wxWidgets/include/wx/x11/dcclient.h

181 lines
5.5 KiB
C
Raw Normal View History

/////////////////////////////////////////////////////////////////////////////
// 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_
#include "wx/dc.h"
#include "wx/region.h"
// -----------------------------------------------------------------------------
// fwd declarations
// -----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindow;
class WXDLLIMPEXP_CORE wxWindowDC;
class WXDLLIMPEXP_CORE wxPaintDC;
class WXDLLIMPEXP_CORE wxClientDC;
//-----------------------------------------------------------------------------
// wxWindowDC
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
{
public:
wxWindowDC() { Init(); }
wxWindowDC( wxWindow *win );
virtual ~wxWindowDC();
virtual bool CanDrawBitmap() const { return true; }
virtual bool CanGetTextExtent() const { return true; }
protected:
virtual void DoGetSize(int *width, int *height) const;
virtual bool 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 DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
bool useMask = false );
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, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
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);
public:
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 int GetDepth() const;
virtual wxSize GetPPI() const;
virtual void DestroyClippingRegion();
WXWindow GetWindow() const { return m_window; }
virtual void ComputeScaleAndOrigin();
protected:
// implementation
// --------------
virtual void DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
wxFont *theFont = NULL) const;
void Init();
WXDisplay *m_display;
WXWindow m_window;
WXGC m_penGC;
WXGC m_brushGC;
WXGC m_textGC;
WXGC m_bgGC;
WXColormap m_cmap;
bool m_isMemDC;
bool m_isScreenDC;
wxWindow *m_owner;
wxRegion m_currentClippingRegion;
wxRegion m_paintClippingRegion;
#if wxUSE_UNICODE
PangoContext *m_context;
PangoFontDescription *m_fontdesc;
#endif
void SetUpDC();
void Destroy();
private:
DECLARE_DYNAMIC_CLASS(wxWindowDC)
};
//-----------------------------------------------------------------------------
// wxClientDC
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
{
public:
wxClientDC() { }
wxClientDC( wxWindow *win );
protected:
virtual void DoGetSize(int *width, int *height) const;
private:
DECLARE_DYNAMIC_CLASS(wxClientDC)
};
//-----------------------------------------------------------------------------
// wxPaintDC
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
{
public:
wxPaintDC() { }
wxPaintDC( wxWindow *win );
private:
DECLARE_DYNAMIC_CLASS(wxPaintDC)
};
#endif
// _WX_DCCLIENT_H_