edc5134402
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54324 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1248 lines
44 KiB
C++
1248 lines
44 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dc.h
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// Purpose: wxDC class
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 05/25/99
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// RCS-ID: $Id$
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DC_H_BASE_
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#define _WX_DC_H_BASE_
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// ----------------------------------------------------------------------------
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// headers which we must include here
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// ----------------------------------------------------------------------------
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#include "wx/object.h" // the base class
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#include "wx/intl.h" // for wxLayoutDirection
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#include "wx/cursor.h" // we have member variables of these classes
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#include "wx/font.h" // so we can't do without them
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#include "wx/colour.h"
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#include "wx/bitmap.h" // for wxNullBitmap
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#include "wx/brush.h"
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#include "wx/pen.h"
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#include "wx/palette.h"
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#include "wx/dynarray.h"
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#include "wx/math.h"
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#include "wx/image.h"
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#include "wx/cmndata.h"
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#define wxUSE_NEW_DC 1
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class WXDLLIMPEXP_FWD_CORE wxDC;
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class WXDLLIMPEXP_FWD_CORE wxClientDC;
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class WXDLLIMPEXP_FWD_CORE wxPaintDC;
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class WXDLLIMPEXP_FWD_CORE wxWindowDC;
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class WXDLLIMPEXP_FWD_CORE wxScreenDC;
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class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
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class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
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class WXDLLIMPEXP_FWD_CORE wxPrintData;
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//-----------------------------------------------------------------------------
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// wxDrawObject helper class
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDrawObject
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{
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public:
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wxDrawObject()
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: m_isBBoxValid(false)
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, m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
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{ }
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virtual ~wxDrawObject() { }
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virtual void Draw(wxDC&) const { }
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virtual void CalcBoundingBox(wxCoord x, wxCoord y)
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{
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if ( m_isBBoxValid )
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{
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if ( x < m_minX ) m_minX = x;
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if ( y < m_minY ) m_minY = y;
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if ( x > m_maxX ) m_maxX = x;
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if ( y > m_maxY ) m_maxY = y;
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}
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else
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{
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m_isBBoxValid = true;
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m_minX = x;
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m_minY = y;
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m_maxX = x;
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m_maxY = y;
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}
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}
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void ResetBoundingBox()
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{
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m_isBBoxValid = false;
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m_minX = m_maxX = m_minY = m_maxY = 0;
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}
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// Get the final bounding box of the PostScript or Metafile picture.
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wxCoord MinX() const { return m_minX; }
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wxCoord MaxX() const { return m_maxX; }
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wxCoord MinY() const { return m_minY; }
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wxCoord MaxY() const { return m_maxY; }
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//to define the type of object for derived objects
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virtual int GetType()=0;
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protected:
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//for boundingbox calculation
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bool m_isBBoxValid:1;
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//for boundingbox calculation
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wxCoord m_minX, m_minY, m_maxX, m_maxY;
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};
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//-----------------------------------------------------------------------------
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// wxDCFactory
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxDCImpl;
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class WXDLLIMPEXP_CORE wxDCFactory
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{
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public:
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wxDCFactory() {}
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virtual ~wxDCFactory() {}
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virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window ) = 0;
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virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window ) = 0;
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virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window ) = 0;
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner ) = 0;
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap ) = 0;
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc ) = 0;
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virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner ) = 0;
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#if wxUSE_PRINTING_ARCHITECTURE
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virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data ) = 0;
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#endif
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static void Set(wxDCFactory *factory);
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static wxDCFactory *Get();
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private:
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static wxDCFactory *m_factory;
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};
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//-----------------------------------------------------------------------------
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// wxNativeDCFactory
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxNativeDCFactory: public wxDCFactory
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{
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public:
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wxNativeDCFactory() {}
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virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window );
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virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window );
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virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window );
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner );
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap );
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virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc );
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virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner );
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#if wxUSE_PRINTING_ARCHITECTURE
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virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data );
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#endif
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};
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//-----------------------------------------------------------------------------
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// wxDCImpl
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDCImpl: public wxObject
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{
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public:
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wxDCImpl( wxDC *owner );
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virtual ~wxDCImpl();
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wxDC *GetOwner() const { return m_owner; }
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wxWindow* GetWindow() const { return m_window; }
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virtual bool IsOk() const { return m_ok; }
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// query capabilities
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virtual bool CanDrawBitmap() const = 0;
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virtual bool CanGetTextExtent() const = 0;
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// get Cairo context
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virtual void* GetCairoContext() const
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{
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return NULL;
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}
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// query dimension, colour deps, resolution
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virtual void DoGetSize(int *width, int *height) const = 0;
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void GetSize(int *width, int *height) const
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{
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DoGetSize(width, height);
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return ;
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}
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wxSize GetSize() const
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{
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int w, h;
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DoGetSize(&w, &h);
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return wxSize(w, h);
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}
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virtual void DoGetSizeMM(int* width, int* height) const = 0;
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virtual int GetDepth() const = 0;
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virtual wxSize GetPPI() const = 0;
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// Right-To-Left (RTL) modes
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virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir)) { }
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virtual wxLayoutDirection GetLayoutDirection() const { return wxLayout_Default; }
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// page and document
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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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// flushing the content of this dc immediately eg onto screen
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virtual void Flush() { }
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// bounding box
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virtual void CalcBoundingBox(wxCoord x, wxCoord y)
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{
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if ( m_isBBoxValid )
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{
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if ( x < m_minX ) m_minX = x;
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if ( y < m_minY ) m_minY = y;
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if ( x > m_maxX ) m_maxX = x;
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if ( y > m_maxY ) m_maxY = y;
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}
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else
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{
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m_isBBoxValid = true;
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m_minX = x;
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m_minY = y;
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m_maxX = x;
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m_maxY = y;
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}
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}
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void ResetBoundingBox()
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{
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m_isBBoxValid = false;
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m_minX = m_maxX = m_minY = m_maxY = 0;
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}
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wxCoord MinX() const { return m_minX; }
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wxCoord MaxX() const { return m_maxX; }
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wxCoord MinY() const { return m_minY; }
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wxCoord MaxY() const { return m_maxY; }
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// setters and getters
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virtual void SetFont(const wxFont& font) = 0;
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virtual const wxFont& GetFont() const { return m_font; }
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virtual void SetPen(const wxPen& pen) = 0;
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virtual const wxPen& GetPen() const { return m_pen; }
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virtual void SetBrush(const wxBrush& brush) = 0;
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virtual const wxBrush& GetBrush() const { return m_brush; }
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virtual void SetBackground(const wxBrush& brush) = 0;
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virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
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virtual void SetBackgroundMode(int mode) = 0;
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virtual int GetBackgroundMode() const { return m_backgroundMode; }
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virtual void SetTextForeground(const wxColour& colour)
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{ m_textForegroundColour = colour; }
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virtual const wxColour& GetTextForeground() const
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{ return m_textForegroundColour; }
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virtual void SetTextBackground(const wxColour& colour)
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{ m_textBackgroundColour = colour; }
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virtual const wxColour& GetTextBackground() const
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{ return m_textBackgroundColour; }
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#if wxUSE_PALETTE
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virtual void SetPalette(const wxPalette& palette) = 0;
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#endif // wxUSE_PALETTE
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// inherit the DC attributes (font and colours) from the given window
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//
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// this is called automatically when a window, client or paint DC is
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// created
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virtual void InheritAttributes(wxWindow *win);
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// logical functions
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virtual void SetLogicalFunction(int function) = 0;
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virtual int GetLogicalFunction() const { return m_logicalFunction; }
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// text measurement
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virtual wxCoord GetCharHeight() const = 0;
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virtual wxCoord GetCharWidth() const = 0;
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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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const wxFont *theFont = NULL) const = 0;
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virtual void GetMultiLineTextExtent(const wxString& string,
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wxCoord *width,
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wxCoord *height,
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wxCoord *heightLine = NULL,
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const wxFont *font = NULL) const;
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virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
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// clearing
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virtual void Clear() = 0;
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// clipping
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height) = 0;
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// NB: this function works with device coordinates, not the logical ones!
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virtual void DoSetDeviceClippingRegion(const wxRegion& region) = 0;
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virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
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wxCoord *w, wxCoord *h) const
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{
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if ( x )
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*x = m_clipX1;
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if ( y )
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*y = m_clipY1;
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if ( w )
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*w = m_clipX2 - m_clipX1;
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if ( h )
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*h = m_clipY2 - m_clipY1;
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}
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virtual void DestroyClippingRegion() { ResetClipping(); }
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// coordinates conversions and transforms
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virtual wxCoord DeviceToLogicalX(wxCoord x) const;
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virtual wxCoord DeviceToLogicalY(wxCoord y) const;
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virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
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virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
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virtual wxCoord LogicalToDeviceX(wxCoord x) const;
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virtual wxCoord LogicalToDeviceY(wxCoord y) const;
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virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
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virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;
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virtual void SetMapMode(int mode);
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virtual int GetMapMode() 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) const
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{
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if ( x ) *x = m_userScaleX;
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if ( y ) *y = m_userScaleY;
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}
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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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{
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if ( x ) *x = m_logicalScaleX;
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if ( y ) *y = m_logicalScaleY;
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}
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virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
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virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
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{
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if ( x ) *x = m_logicalOriginX;
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if ( y ) *y = m_logicalOriginY;
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}
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virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
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virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
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{
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if ( x ) *x = m_deviceOriginX;
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if ( y ) *y = m_deviceOriginY;
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}
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virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
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virtual void ComputeScaleAndOrigin();
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// this needs to overidden if the axis is inverted
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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// ---------------------------------------------------------
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// the actual drawing API
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virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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int style = wxFLOOD_SURFACE) = 0;
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virtual void DoGradientFillLinear(const wxRect& rect,
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const wxColour& initialColour,
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const wxColour& destColour,
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wxDirection nDirection = wxEAST);
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virtual void DoGradientFillConcentric(const wxRect& rect,
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const wxColour& initialColour,
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const wxColour& destColour,
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const wxPoint& circleCenter);
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virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
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virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
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virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
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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) = 0;
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virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height);
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virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea) = 0;
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
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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) = 0;
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virtual void DoDrawEllipse(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height) = 0;
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virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
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virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
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virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = false) = 0;
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virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
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virtual void DoDrawRotatedText(const wxString& text,
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wxCoord x, wxCoord y, double angle) = 0;
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virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
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wxCoord width, wxCoord height,
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wxDC *source,
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wxCoord xsrc, wxCoord ysrc,
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int rop = wxCOPY,
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bool useMask = false,
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wxCoord xsrcMask = wxDefaultCoord,
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wxCoord ysrcMask = wxDefaultCoord) = 0;
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virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
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wxCoord dstWidth, wxCoord dstHeight,
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wxDC *source,
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wxCoord xsrc, wxCoord ysrc,
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wxCoord srcWidth, wxCoord srcHeight,
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int rop = wxCOPY,
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bool useMask = false,
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wxCoord xsrcMask = wxDefaultCoord,
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wxCoord ysrcMask = wxDefaultCoord);
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virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
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{ return wxNullBitmap; }
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virtual void DoDrawLines(int n, wxPoint points[],
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wxCoord xoffset, wxCoord yoffset ) = 0;
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virtual void DrawLines(const wxPointList *list,
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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) = 0;
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virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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int fillStyle);
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void DrawPolygon(const wxPointList *list,
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wxCoord xoffset, wxCoord yoffset,
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int fillStyle );
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#if wxUSE_SPLINES
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void DrawSpline(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord x3, wxCoord y3);
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void DrawSpline(int n, wxPoint points[]);
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void DrawSpline(const wxPointList *points) { DoDrawSpline(points); }
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virtual void DoDrawSpline(const wxPointList *points);
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#endif
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// ---------------------------------------------------------
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// wxMemoryDC Impl API
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virtual void DoSelect(const wxBitmap& WXUNUSED(bmp))
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{ }
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virtual const wxBitmap& GetSelectedBitmap() const
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{ return wxNullBitmap; }
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virtual wxBitmap& GetSelectedBitmap()
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{ return wxNullBitmap; }
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// ---------------------------------------------------------
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// wxPrinterDC Impl API
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virtual wxRect GetPaperRect()
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{ int w = 0; int h = 0; DoGetSize( &w, &h ); return wxRect(0,0,w,h); }
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virtual int GetResolution()
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{ return -1; }
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private:
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wxDC *m_owner;
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protected:
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// unset clipping variables (after clipping region was destroyed)
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void ResetClipping()
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{
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m_clipping = false;
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m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
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}
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#ifdef __WXWINCE__
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//! Generic method to draw ellipses, circles and arcs with current pen and brush.
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/*! \param x Upper left corner of bounding box.
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* \param y Upper left corner of bounding box.
|
|
* \param w Width of bounding box.
|
|
* \param h Height of bounding box.
|
|
* \param sa Starting angle of arc
|
|
* (counterclockwise, start at 3 o'clock, 360 is full circle).
|
|
* \param ea Ending angle of arc.
|
|
* \param angle Rotation angle, the Arc will be rotated after
|
|
* calculating begin and end.
|
|
*/
|
|
void DrawEllipticArcRot( wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height,
|
|
double sa = 0, double ea = 0, double angle = 0 )
|
|
{ DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }
|
|
|
|
void DrawEllipticArcRot( const wxPoint& pt,
|
|
const wxSize& sz,
|
|
double sa = 0, double ea = 0, double angle = 0 )
|
|
{ DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }
|
|
|
|
void DrawEllipticArcRot( const wxRect& rect,
|
|
double sa = 0, double ea = 0, double angle = 0 )
|
|
{ DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
|
|
|
|
virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
|
|
wxCoord w, wxCoord h,
|
|
double sa = 0, double ea = 0, double angle = 0 );
|
|
|
|
//! Rotates points around center.
|
|
/*! This is a quite straight method, it calculates in pixels
|
|
* and so it produces rounding errors.
|
|
* \param points The points inside will be rotated.
|
|
* \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
|
|
* \param center Center of rotation.
|
|
*/
|
|
void Rotate( wxPointList* points, double angle, wxPoint center = wxPoint(0,0) );
|
|
|
|
// used by DrawEllipticArcRot
|
|
// Careful: wxList gets filled with points you have to delete later.
|
|
void CalculateEllipticPoints( wxPointList* points,
|
|
wxCoord xStart, wxCoord yStart,
|
|
wxCoord w, wxCoord h,
|
|
double sa, double ea );
|
|
#endif // __WXWINCE__
|
|
|
|
|
|
// window on which the DC draws or NULL
|
|
wxWindow *m_window;
|
|
|
|
// flags
|
|
bool m_colour:1;
|
|
bool m_ok:1;
|
|
bool m_clipping:1;
|
|
bool m_isInteractive:1;
|
|
bool m_isBBoxValid:1;
|
|
|
|
// coordinate system variables
|
|
|
|
wxCoord m_logicalOriginX, m_logicalOriginY;
|
|
wxCoord m_deviceOriginX, m_deviceOriginY; // Usually 0,0, can be change by user
|
|
|
|
wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
|
|
// is not at 0,0. This was the case under
|
|
// Mac's GrafPorts (coordinate system
|
|
// used toplevel window's origin) and
|
|
// e.g. for Postscript, where the native
|
|
// origin in the bottom left corner.
|
|
double m_logicalScaleX, m_logicalScaleY;
|
|
double m_userScaleX, m_userScaleY;
|
|
double m_scaleX, m_scaleY; // calculated from logical scale and user scale
|
|
|
|
int m_signX, m_signY; // Used by SetAxisOrientation() to invert the axes
|
|
|
|
// what is a mm on a screen you don't know the size of?
|
|
double m_mm_to_pix_x,
|
|
m_mm_to_pix_y;
|
|
|
|
// bounding and clipping boxes
|
|
wxCoord m_minX, m_minY, m_maxX, m_maxY;
|
|
wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
|
|
|
|
int m_logicalFunction;
|
|
int m_backgroundMode;
|
|
int m_mappingMode;
|
|
|
|
wxPen m_pen;
|
|
wxBrush m_brush;
|
|
wxBrush m_backgroundBrush;
|
|
wxColour m_textForegroundColour;
|
|
wxColour m_textBackgroundColour;
|
|
wxFont m_font;
|
|
|
|
#if wxUSE_PALETTE
|
|
wxPalette m_palette;
|
|
bool m_hasCustomPalette;
|
|
#endif // wxUSE_PALETTE
|
|
|
|
private:
|
|
DECLARE_ABSTRACT_CLASS(wxDCImpl)
|
|
};
|
|
|
|
|
|
class WXDLLIMPEXP_CORE wxDC : public wxObject
|
|
{
|
|
public:
|
|
virtual ~wxDC() { delete m_pimpl; }
|
|
|
|
wxDCImpl *GetImpl()
|
|
{ return m_pimpl; }
|
|
const wxDCImpl *GetImpl() const
|
|
{ return m_pimpl; }
|
|
|
|
wxWindow *GetWindow() const
|
|
{ return m_pimpl->GetWindow(); }
|
|
|
|
bool IsOk() const
|
|
{ return m_pimpl && m_pimpl->IsOk(); }
|
|
|
|
// query capabilities
|
|
|
|
bool CanDrawBitmap() const
|
|
{ return m_pimpl->CanDrawBitmap(); }
|
|
bool CanGetTextExtent() const
|
|
{ return m_pimpl->CanGetTextExtent(); }
|
|
|
|
// query dimension, colour deps, resolution
|
|
|
|
void GetSize(int *width, int *height) const
|
|
{ m_pimpl->DoGetSize(width, height); }
|
|
wxSize GetSize() const
|
|
{ return m_pimpl->GetSize(); }
|
|
|
|
void GetSizeMM(int* width, int* height) const
|
|
{ m_pimpl->DoGetSizeMM(width, height); }
|
|
wxSize GetSizeMM() const
|
|
{
|
|
int w, h;
|
|
m_pimpl->DoGetSizeMM(&w, &h);
|
|
return wxSize(w, h);
|
|
}
|
|
|
|
int GetDepth() const
|
|
{ return m_pimpl->GetDepth(); }
|
|
wxSize GetPPI() const
|
|
{ return m_pimpl->GetPPI(); }
|
|
|
|
virtual int GetResolution()
|
|
{ return m_pimpl->GetResolution(); }
|
|
|
|
// Right-To-Left (RTL) modes
|
|
|
|
void SetLayoutDirection(wxLayoutDirection dir)
|
|
{ m_pimpl->SetLayoutDirection( dir ); }
|
|
wxLayoutDirection GetLayoutDirection() const
|
|
{ return m_pimpl->GetLayoutDirection(); }
|
|
|
|
// page and document
|
|
|
|
bool StartDoc(const wxString& message)
|
|
{ return m_pimpl->StartDoc(message); }
|
|
void EndDoc()
|
|
{ m_pimpl->EndDoc(); }
|
|
|
|
void StartPage()
|
|
{ m_pimpl->StartPage(); }
|
|
void EndPage()
|
|
{ m_pimpl->EndPage(); }
|
|
|
|
// bounding box
|
|
|
|
void CalcBoundingBox(wxCoord x, wxCoord y)
|
|
{ m_pimpl->CalcBoundingBox(x,y); }
|
|
void ResetBoundingBox()
|
|
{ m_pimpl->ResetBoundingBox(); }
|
|
|
|
wxCoord MinX() const
|
|
{ return m_pimpl->MinX(); }
|
|
wxCoord MaxX() const
|
|
{ return m_pimpl->MaxX(); }
|
|
wxCoord MinY() const
|
|
{ return m_pimpl->MinY(); }
|
|
wxCoord MaxY() const
|
|
{ return m_pimpl->MaxY(); }
|
|
|
|
// setters and getters
|
|
|
|
void SetFont(const wxFont& font)
|
|
{ m_pimpl->SetFont( font ); }
|
|
const wxFont& GetFont() const
|
|
{ return m_pimpl->GetFont(); }
|
|
|
|
void SetPen(const wxPen& pen)
|
|
{ m_pimpl->SetPen( pen ); }
|
|
const wxPen& GetPen() const
|
|
{ return m_pimpl->GetPen(); }
|
|
|
|
void SetBrush(const wxBrush& brush)
|
|
{ m_pimpl->SetBrush( brush ); }
|
|
const wxBrush& GetBrush() const
|
|
{ return m_pimpl->GetBrush(); }
|
|
|
|
void SetBackground(const wxBrush& brush)
|
|
{ m_pimpl->SetBackground( brush ); }
|
|
const wxBrush& GetBackground() const
|
|
{ return m_pimpl->GetBackground(); }
|
|
|
|
void SetBackgroundMode(int mode)
|
|
{ m_pimpl->SetBackgroundMode( mode ); }
|
|
int GetBackgroundMode() const
|
|
{ return m_pimpl->GetBackgroundMode(); }
|
|
|
|
void SetTextForeground(const wxColour& colour)
|
|
{ m_pimpl->SetTextForeground(colour); }
|
|
const wxColour& GetTextForeground() const
|
|
{ return m_pimpl->GetTextForeground(); }
|
|
|
|
void SetTextBackground(const wxColour& colour)
|
|
{ m_pimpl->SetTextBackground(colour); }
|
|
const wxColour& GetTextBackground() const
|
|
{ return m_pimpl->GetTextBackground(); }
|
|
|
|
#if wxUSE_PALETTE
|
|
void SetPalette(const wxPalette& palette)
|
|
{ m_pimpl->SetPalette(palette); }
|
|
#endif // wxUSE_PALETTE
|
|
|
|
// logical functions
|
|
|
|
void SetLogicalFunction(int function)
|
|
{ m_pimpl->SetLogicalFunction(function); }
|
|
int GetLogicalFunction() const
|
|
{ return m_pimpl->GetLogicalFunction(); }
|
|
|
|
// text measurement
|
|
|
|
wxCoord GetCharHeight() const
|
|
{ return m_pimpl->GetCharHeight(); }
|
|
wxCoord GetCharWidth() const
|
|
{ return m_pimpl->GetCharWidth(); }
|
|
|
|
void GetTextExtent(const wxString& string,
|
|
wxCoord *x, wxCoord *y,
|
|
wxCoord *descent = NULL,
|
|
wxCoord *externalLeading = NULL,
|
|
const wxFont *theFont = NULL) const
|
|
{ m_pimpl->DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
|
|
|
|
wxSize GetTextExtent(const wxString& string) const
|
|
{
|
|
wxCoord w, h;
|
|
m_pimpl->DoGetTextExtent(string, &w, &h);
|
|
return wxSize(w, h);
|
|
}
|
|
|
|
void GetMultiLineTextExtent(const wxString& string,
|
|
wxCoord *width,
|
|
wxCoord *height,
|
|
wxCoord *heightLine = NULL,
|
|
const wxFont *font = NULL) const
|
|
{ m_pimpl->GetMultiLineTextExtent( string, width, height, heightLine, font ); }
|
|
|
|
wxSize GetMultiLineTextExtent(const wxString& string) const
|
|
{
|
|
wxCoord w, h;
|
|
m_pimpl->GetMultiLineTextExtent(string, &w, &h);
|
|
return wxSize(w, h);
|
|
}
|
|
|
|
bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
|
|
{ return m_pimpl->DoGetPartialTextExtents(text, widths); }
|
|
|
|
// clearing
|
|
|
|
void Clear()
|
|
{ m_pimpl->Clear(); }
|
|
|
|
// clipping
|
|
|
|
void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{ m_pimpl->DoSetClippingRegion(x, y, width, height); }
|
|
void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
|
|
{ m_pimpl->DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
|
|
void SetClippingRegion(const wxRect& rect)
|
|
{ m_pimpl->DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
|
|
|
|
// unlike the functions above, the coordinates of the region used in this
|
|
// one are in device coordinates, not the logical ones
|
|
void SetDeviceClippingRegion(const wxRegion& region)
|
|
{ m_pimpl->DoSetDeviceClippingRegion(region); }
|
|
|
|
// this function is deprecated because its name is confusing: you may
|
|
// expect it to work with logical coordinates but, in fact, it does exactly
|
|
// the same thing as SetDeviceClippingRegion()
|
|
//
|
|
// please review the code using it and either replace it with calls to
|
|
// SetDeviceClippingRegion() or correct it if it was [wrongly] passing
|
|
// logical coordinates to this function
|
|
wxDEPRECATED_INLINE(void SetClippingRegion(const wxRegion& region),
|
|
SetDeviceClippingRegion(region); )
|
|
|
|
void DestroyClippingRegion()
|
|
{ m_pimpl->DestroyClippingRegion(); }
|
|
|
|
void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
|
|
{ m_pimpl->DoGetClippingBox(x, y, w, h); }
|
|
void GetClippingBox(wxRect& rect) const
|
|
{ m_pimpl->DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
|
|
|
|
// coordinates conversions and transforms
|
|
|
|
wxCoord DeviceToLogicalX(wxCoord x) const
|
|
{ return m_pimpl->DeviceToLogicalX(x); }
|
|
wxCoord DeviceToLogicalY(wxCoord y) const
|
|
{ return m_pimpl->DeviceToLogicalY(y); }
|
|
wxCoord DeviceToLogicalXRel(wxCoord x) const
|
|
{ return m_pimpl->DeviceToLogicalXRel(x); }
|
|
wxCoord DeviceToLogicalYRel(wxCoord y) const
|
|
{ return m_pimpl->DeviceToLogicalYRel(y); }
|
|
wxCoord LogicalToDeviceX(wxCoord x) const
|
|
{ return m_pimpl->LogicalToDeviceX(x); }
|
|
wxCoord LogicalToDeviceY(wxCoord y) const
|
|
{ return m_pimpl->LogicalToDeviceY(y); }
|
|
wxCoord LogicalToDeviceXRel(wxCoord x) const
|
|
{ return m_pimpl->LogicalToDeviceXRel(x); }
|
|
wxCoord LogicalToDeviceYRel(wxCoord y) const
|
|
{ return m_pimpl->LogicalToDeviceYRel(y); }
|
|
|
|
void SetMapMode(int mode)
|
|
{ m_pimpl->SetMapMode(mode); }
|
|
int GetMapMode() const
|
|
{ return m_pimpl->GetMapMode(); }
|
|
|
|
void SetUserScale(double x, double y)
|
|
{ m_pimpl->SetUserScale(x,y); }
|
|
void GetUserScale(double *x, double *y) const
|
|
{ m_pimpl->GetUserScale( x, y ); }
|
|
|
|
void SetLogicalScale(double x, double y)
|
|
{ m_pimpl->SetLogicalScale( x, y ); }
|
|
void GetLogicalScale(double *x, double *y)
|
|
{ m_pimpl->GetLogicalScale( x, y ); }
|
|
|
|
void SetLogicalOrigin(wxCoord x, wxCoord y)
|
|
{ m_pimpl->SetLogicalOrigin(x,y); }
|
|
void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
|
|
{ m_pimpl->DoGetLogicalOrigin(x, y); }
|
|
wxPoint GetLogicalOrigin() const
|
|
{ wxCoord x, y; m_pimpl->DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
|
|
|
|
void SetDeviceOrigin(wxCoord x, wxCoord y)
|
|
{ m_pimpl->SetDeviceOrigin( x, y); }
|
|
void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
|
|
{ m_pimpl->DoGetDeviceOrigin(x, y); }
|
|
wxPoint GetDeviceOrigin() const
|
|
{ wxCoord x, y; m_pimpl->DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
|
|
|
|
void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
|
|
{ m_pimpl->SetAxisOrientation(xLeftRight, yBottomUp); }
|
|
|
|
// mostly internal
|
|
void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
|
|
{ m_pimpl->SetDeviceLocalOrigin( x, y ); }
|
|
|
|
|
|
// draw generic object
|
|
|
|
void DrawObject(wxDrawObject* drawobject)
|
|
{
|
|
drawobject->Draw(*this);
|
|
CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
|
|
CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
|
|
}
|
|
|
|
// -----------------------------------------------
|
|
// the actual drawing API
|
|
|
|
bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
|
|
int style = wxFLOOD_SURFACE)
|
|
{ return m_pimpl->DoFloodFill(x, y, col, style); }
|
|
bool FloodFill(const wxPoint& pt, const wxColour& col,
|
|
int style = wxFLOOD_SURFACE)
|
|
{ return m_pimpl->DoFloodFill(pt.x, pt.y, col, style); }
|
|
|
|
// fill the area specified by rect with a radial gradient, starting from
|
|
// initialColour in the centre of the cercle and fading to destColour.
|
|
void GradientFillConcentric(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour)
|
|
{ m_pimpl->DoGradientFillConcentric( rect, initialColour, destColour,
|
|
wxPoint(rect.GetWidth() / 2,
|
|
rect.GetHeight() / 2)); }
|
|
|
|
void GradientFillConcentric(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour,
|
|
const wxPoint& circleCenter)
|
|
{ m_pimpl->DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
|
|
|
|
// fill the area specified by rect with a linear gradient
|
|
void GradientFillLinear(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour,
|
|
wxDirection nDirection = wxEAST)
|
|
{ m_pimpl->DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
|
|
|
|
bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
|
|
{ return m_pimpl->DoGetPixel(x, y, col); }
|
|
bool GetPixel(const wxPoint& pt, wxColour *col) const
|
|
{ return m_pimpl->DoGetPixel(pt.x, pt.y, col); }
|
|
|
|
void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
|
|
{ m_pimpl->DoDrawLine(x1, y1, x2, y2); }
|
|
void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
|
|
{ m_pimpl->DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
|
|
|
|
void CrossHair(wxCoord x, wxCoord y)
|
|
{ m_pimpl->DoCrossHair(x, y); }
|
|
void CrossHair(const wxPoint& pt)
|
|
{ m_pimpl->DoCrossHair(pt.x, pt.y); }
|
|
|
|
void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
|
|
wxCoord xc, wxCoord yc)
|
|
{ m_pimpl->DoDrawArc(x1, y1, x2, y2, xc, yc); }
|
|
void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
|
|
{ m_pimpl->DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
|
|
|
|
void DrawCheckMark(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height)
|
|
{ m_pimpl->DoDrawCheckMark(x, y, width, height); }
|
|
void DrawCheckMark(const wxRect& rect)
|
|
{ m_pimpl->DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }
|
|
|
|
void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
|
|
double sa, double ea)
|
|
{ m_pimpl->DoDrawEllipticArc(x, y, w, h, sa, ea); }
|
|
void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
|
|
double sa, double ea)
|
|
{ m_pimpl->DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
|
|
|
|
void DrawPoint(wxCoord x, wxCoord y)
|
|
{ m_pimpl->DoDrawPoint(x, y); }
|
|
void DrawPoint(const wxPoint& pt)
|
|
{ m_pimpl->DoDrawPoint(pt.x, pt.y); }
|
|
|
|
void DrawLines(int n, wxPoint points[],
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0)
|
|
{ m_pimpl->DoDrawLines(n, points, xoffset, yoffset); }
|
|
void DrawLines(const wxPointList *list,
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0)
|
|
{ m_pimpl->DrawLines( list, xoffset, yoffset ); }
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
wxDEPRECATED( void DrawLines(const wxList *list,
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0) );
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
void DrawPolygon(int n, wxPoint points[],
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0,
|
|
int fillStyle = wxODDEVEN_RULE)
|
|
{ m_pimpl->DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
|
|
void DrawPolygon(const wxPointList *list,
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0,
|
|
int fillStyle = wxODDEVEN_RULE)
|
|
{ m_pimpl->DrawPolygon( list, xoffset, yoffset, fillStyle ); }
|
|
void DrawPolyPolygon(int n, int count[], wxPoint points[],
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0,
|
|
int fillStyle = wxODDEVEN_RULE)
|
|
{ m_pimpl->DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
wxDEPRECATED( void DrawPolygon(const wxList *list,
|
|
wxCoord xoffset = 0, wxCoord yoffset = 0,
|
|
int fillStyle = wxODDEVEN_RULE) );
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{ m_pimpl->DoDrawRectangle(x, y, width, height); }
|
|
void DrawRectangle(const wxPoint& pt, const wxSize& sz)
|
|
{ m_pimpl->DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
|
|
void DrawRectangle(const wxRect& rect)
|
|
{ m_pimpl->DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
|
|
|
|
void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
|
|
double radius)
|
|
{ m_pimpl->DoDrawRoundedRectangle(x, y, width, height, radius); }
|
|
void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
|
|
double radius)
|
|
{ m_pimpl->DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
|
|
void DrawRoundedRectangle(const wxRect& r, double radius)
|
|
{ m_pimpl->DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
|
|
|
|
void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
|
|
{ m_pimpl->DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
|
|
void DrawCircle(const wxPoint& pt, wxCoord radius)
|
|
{ m_pimpl->DoDrawEllipse(pt.x - radius, pt.y - radius, 2*radius, 2*radius); }
|
|
|
|
void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{ m_pimpl->DoDrawEllipse(x, y, width, height); }
|
|
void DrawEllipse(const wxPoint& pt, const wxSize& sz)
|
|
{ m_pimpl->DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
|
|
void DrawEllipse(const wxRect& rect)
|
|
{ m_pimpl->DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
|
|
|
|
void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
|
|
{ m_pimpl->DoDrawIcon(icon, x, y); }
|
|
void DrawIcon(const wxIcon& icon, const wxPoint& pt)
|
|
{ m_pimpl->DoDrawIcon(icon, pt.x, pt.y); }
|
|
|
|
void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
|
|
bool useMask = false)
|
|
{ m_pimpl->DoDrawBitmap(bmp, x, y, useMask); }
|
|
void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
|
|
bool useMask = false)
|
|
{ m_pimpl->DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
|
|
|
|
void DrawText(const wxString& text, wxCoord x, wxCoord y)
|
|
{ m_pimpl->DoDrawText(text, x, y); }
|
|
void DrawText(const wxString& text, const wxPoint& pt)
|
|
{ m_pimpl->DoDrawText(text, pt.x, pt.y); }
|
|
|
|
void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
|
|
{ m_pimpl->DoDrawRotatedText(text, x, y, angle); }
|
|
void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
|
|
{ m_pimpl->DoDrawRotatedText(text, pt.x, pt.y, angle); }
|
|
|
|
// this version puts both optional bitmap and the text into the given
|
|
// rectangle and aligns is as specified by alignment parameter; it also
|
|
// will emphasize the character with the given index if it is != -1 and
|
|
// return the bounding rectangle if required
|
|
void DrawLabel(const wxString& text,
|
|
const wxBitmap& image,
|
|
const wxRect& rect,
|
|
int alignment = wxALIGN_LEFT | wxALIGN_TOP,
|
|
int indexAccel = -1,
|
|
wxRect *rectBounding = NULL);
|
|
|
|
void DrawLabel(const wxString& text, const wxRect& rect,
|
|
int alignment = wxALIGN_LEFT | wxALIGN_TOP,
|
|
int indexAccel = -1)
|
|
{ DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
|
|
|
|
bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
|
|
wxDC *source, wxCoord xsrc, wxCoord ysrc,
|
|
int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
|
|
{
|
|
return m_pimpl->DoBlit(xdest, ydest, width, height,
|
|
source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
|
|
}
|
|
bool Blit(const wxPoint& destPt, const wxSize& sz,
|
|
wxDC *source, const wxPoint& srcPt,
|
|
int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
|
|
{
|
|
return m_pimpl->DoBlit(destPt.x, destPt.y, sz.x, sz.y,
|
|
source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
|
|
}
|
|
|
|
bool StretchBlit(wxCoord dstX, wxCoord dstY,
|
|
wxCoord dstWidth, wxCoord dstHeight,
|
|
wxDC *source,
|
|
wxCoord srcX, wxCoord srcY,
|
|
wxCoord srcWidth, wxCoord srcHeight,
|
|
int rop = wxCOPY, bool useMask = false,
|
|
wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
|
|
{
|
|
return m_pimpl->DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
|
|
source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
|
|
}
|
|
bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
|
|
wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
|
|
int rop = wxCOPY, bool useMask = false, const wxPoint& srcMaskPt = wxDefaultPosition)
|
|
{
|
|
return m_pimpl->DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
|
|
source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
|
|
}
|
|
|
|
wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
|
|
{
|
|
return m_pimpl->DoGetAsBitmap(subrect);
|
|
}
|
|
|
|
#if wxUSE_SPLINES
|
|
void DrawSpline(wxCoord x1, wxCoord y1,
|
|
wxCoord x2, wxCoord y2,
|
|
wxCoord x3, wxCoord y3)
|
|
{ m_pimpl->DrawSpline(x1,y1,x2,y2,x3,y3); }
|
|
void DrawSpline(int n, wxPoint points[])
|
|
{ m_pimpl->DrawSpline(n,points); }
|
|
void DrawSpline(const wxPointList *points)
|
|
{ m_pimpl->DrawSpline(points); }
|
|
#endif // wxUSE_SPLINES
|
|
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
// for compatibility with the old code when wxCoord was long everywhere
|
|
wxDEPRECATED( void GetTextExtent(const wxString& string,
|
|
long *x, long *y,
|
|
long *descent = NULL,
|
|
long *externalLeading = NULL,
|
|
const wxFont *theFont = NULL) const );
|
|
wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
|
|
wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
|
|
wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
|
|
protected:
|
|
// ctor takes ownership of the pointer
|
|
wxDC(wxDCImpl *pimpl) : m_pimpl(pimpl) { }
|
|
|
|
wxDCImpl * const m_pimpl;
|
|
|
|
private:
|
|
DECLARE_ABSTRACT_CLASS(wxDC)
|
|
DECLARE_NO_COPY_CLASS(wxDC)
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helper class: you can use it to temporarily change the DC text colour and
|
|
// restore it automatically when the object goes out of scope
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDCTextColourChanger
|
|
{
|
|
public:
|
|
wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
|
|
|
|
wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
|
|
{
|
|
Set(col);
|
|
}
|
|
|
|
~wxDCTextColourChanger()
|
|
{
|
|
if ( m_colFgOld.Ok() )
|
|
m_dc.SetTextForeground(m_colFgOld);
|
|
}
|
|
|
|
void Set(const wxColour& col)
|
|
{
|
|
if ( !m_colFgOld.Ok() )
|
|
m_colFgOld = m_dc.GetTextForeground();
|
|
m_dc.SetTextForeground(col);
|
|
}
|
|
|
|
private:
|
|
wxDC& m_dc;
|
|
|
|
wxColour m_colFgOld;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helper class: you can use it to temporarily change the DC pen and
|
|
// restore it automatically when the object goes out of scope
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDCPenChanger
|
|
{
|
|
public:
|
|
wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
|
|
{
|
|
m_dc.SetPen(pen);
|
|
}
|
|
|
|
~wxDCPenChanger()
|
|
{
|
|
if ( m_penOld.Ok() )
|
|
m_dc.SetPen(m_penOld);
|
|
}
|
|
|
|
private:
|
|
wxDC& m_dc;
|
|
|
|
wxPen m_penOld;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxDCPenChanger)
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helper class: you can use it to temporarily change the DC brush and
|
|
// restore it automatically when the object goes out of scope
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDCBrushChanger
|
|
{
|
|
public:
|
|
wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
|
|
{
|
|
m_dc.SetBrush(brush);
|
|
}
|
|
|
|
~wxDCBrushChanger()
|
|
{
|
|
if ( m_brushOld.Ok() )
|
|
m_dc.SetBrush(m_brushOld);
|
|
}
|
|
|
|
private:
|
|
wxDC& m_dc;
|
|
|
|
wxBrush m_brushOld;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxDCBrushChanger)
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// another small helper class: sets the clipping region in its ctor and
|
|
// destroys it in the dtor
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDCClipper
|
|
{
|
|
public:
|
|
wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
|
|
{ dc.SetClippingRegion(r.GetBox()); }
|
|
wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
|
|
{ dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
|
|
wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
|
|
{ dc.SetClippingRegion(x, y, w, h); }
|
|
|
|
~wxDCClipper() { m_dc.DestroyClippingRegion(); }
|
|
|
|
private:
|
|
wxDC& m_dc;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxDCClipper)
|
|
};
|
|
|
|
#endif // _WX_DC_H_BASE_
|