/////////////////////////////////////////////////////////////////////////////
// Name: dc.h
// Purpose: wxDC class
-// Author: Julian Smart
+// Author: AUTHOR
// Modified by:
-// Created: 01/02/97
+// Created: ??/??/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Copyright: (c) AUTHOR
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DC_H_
#define _WX_DC_H_
#ifdef __GNUG__
- #pragma interface "dc.h"
+#pragma interface "dc.h"
#endif
-class WXDLLEXPORT wxDC : public wxDCBase
-{
- DECLARE_DYNAMIC_CLASS(wxDC)
-
-public:
- wxDC();
- ~wxDC();
-
- // implement base class pure virtuals
- // ----------------------------------
-
- virtual void Clear();
-
- virtual bool StartDoc(const wxString& message);
- virtual void EndDoc();
-
- virtual void StartPage();
- virtual void EndPage();
-
- 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 DestroyClippingRegion();
-
- virtual long GetCharHeight() const;
- virtual long GetCharWidth() const;
- virtual void GetTextExtent(const wxString& string,
- long *x, long *y,
- long *descent = NULL,
- long *externalLeading = NULL,
- wxFont *theFont = NULL) const;
-
- virtual bool CanDrawBitmap() const;
- virtual bool CanGetTextExtent() const;
- virtual int GetDepth() const;
- virtual wxSize GetPPI() const;
-
- virtual void SetMapMode(int mode);
- virtual void SetUserScale(double x, double y);
- virtual void SetSystemScale(double x, double y);
- virtual void SetLogicalScale(double x, double y);
- virtual void SetLogicalOrigin(long x, long y);
- virtual void SetDeviceOrigin(long x, long y);
- virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
- virtual void SetLogicalFunction(int function);
-
- // implementation from now on
- // --------------------------
-
- virtual void SetRop(WXHDC cdc);
- virtual void DoClipping(WXHDC cdc);
- virtual void SelectOldObjects(WXHDC dc);
-
- wxWindow *GetWindow() const { return m_canvas; }
- void SetWindow(wxWindow *win) { m_canvas = win; }
-
- WXHDC GetHDC() const { return m_hDC; }
- void SetHDC(WXHDC dc, bool bOwnsDC = FALSE)
- {
- m_hDC = dc;
- m_bOwnsDC = bOwnsDC;
- }
+#include "wx/pen.h"
+#include "wx/brush.h"
+#include "wx/icon.h"
+#include "wx/font.h"
+#include "wx/gdicmn.h"
+
+//-----------------------------------------------------------------------------
+// constants
+//-----------------------------------------------------------------------------
+
+#ifndef MM_TEXT
+#define MM_TEXT 0
+#define MM_ISOTROPIC 1
+#define MM_ANISOTROPIC 2
+#define MM_LOMETRIC 3
+#define MM_HIMETRIC 4
+#define MM_TWIPS 5
+#define MM_POINTS 6
+#define MM_METRIC 7
+#endif
-protected:
- virtual void DoFloodFill(long x, long y, const wxColour& col,
- int style = wxFLOOD_SURFACE);
-
- virtual bool DoGetPixel(long x, long y, wxColour *col) const;
-
- virtual void DoDrawPoint(long x, long y);
- virtual void DoDrawLine(long x1, long y1, long x2, long y2);
-
- virtual void DoDrawArc(long x1, long y1,
- long x2, long y2,
- long xc, long yc);
- virtual void DoDrawEllipticArc(long x, long y, long w, long h,
- double sa, double ea);
-
- virtual void DoDrawRectangle(long x, long y, long width, long height);
- virtual void DoDrawRoundedRectangle(long x, long y,
- long width, long height,
- double radius);
- virtual void DoDrawEllipse(long x, long y, long width, long height);
-
- virtual void DoCrossHair(long x, long y);
-
- virtual void DoDrawIcon(const wxIcon& icon, long x, long y);
- virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y,
- bool useMask = FALSE);
-
- virtual void DoDrawText(const wxString& text, long x, long y);
-
- virtual bool DoBlit(long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc,
- int rop = wxCOPY, bool useMask = FALSE);
-
- // this is gnarly - we can't even call this function DoSetClippingRegion()
- // because of virtual function hiding
- virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
- virtual void DoSetClippingRegion(long x, long y,
- long width, long height);
- virtual void DoGetClippingRegion(long *x, long *y,
- long *width, long *height)
- {
- GetClippingBox(x, y, width, height);
- }
-
- virtual void DoGetSize(int *width, int *height) const;
- virtual void DoGetSizeMM(int* width, int* height) const;
-
- virtual void DoDrawLines(int n, wxPoint points[],
- long xoffset, long yoffset);
- virtual void DoDrawPolygon(int n, wxPoint points[],
- long xoffset, long yoffset,
- int fillStyle = wxODDEVEN_RULE);
+//-----------------------------------------------------------------------------
+// global variables
+//-----------------------------------------------------------------------------
+
+extern int wxPageNumber;
+
+//-----------------------------------------------------------------------------
+// wxDC
+//-----------------------------------------------------------------------------
+class WXDLLEXPORT wxDC: public wxDCBase
+{
+ DECLARE_ABSTRACT_CLASS(wxDC)
+
+ public:
+
+ wxDC(void);
+ ~wxDC(void);
+
+ virtual void BeginDrawing(void) { };
+ virtual void EndDrawing(void) { };
+
+//-----------------------------------------------------------------------------
+// Pure virtuals from wxDCBase that need defining
+//-----------------------------------------------------------------------------
+ virtual bool CanDrawBitmap(void) const { return TRUE; };
+ virtual bool CanGetTextExtent(void) const { return TRUE; };
+ virtual int GetDepth(void) const;
+ virtual wxSize GetPPI(void) const;
+ virtual void GetTextExtent( const wxString& string
+ ,long* width
+ ,long* height
+ ,long* descent = NULL
+ ,long* externalLeading = NULL
+ ,wxFont* theFont = NULL
+ ) const;
+ virtual long GetCharWidth(void) const;
+ virtual long GetCharHeight(void) const;
+ virtual void Clear(void);
+ 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 SetLogicalFunction(int function);
+ virtual void SetBackgroundMode(int mode);
+ virtual void SetPalette(const wxPalette& palette);
+ virtual void SetMapMode(int mode);
+ virtual void DestroyClippingRegion(void);
+ virtual void SetUserScale(double x, double y);
+ virtual void SetLogicalOrigin(long x, long y);
+ virtual void SetDeviceOrigin(long x, long y);
+ virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
+
+ virtual void DoFloodFill( long x
+ ,long y
+ ,const wxColour& col
+ ,int style = wxFLOOD_SURFACE
+ );
+ virtual bool DoGetPixel(long x, long y, wxColour *col) const;
+ virtual void DoDrawPoint(long x, long y);
+ virtual void DoDrawLine(long x1, long y1, long x2, long y2);
+ virtual void DoDrawArc(long x1, long y1,
+ long x2, long y2,
+ long xc, long yc
+ );
+ virtual void DoDrawEllipticArc( long x, long y
+ ,long w, long h
+ ,double sa, double ea
+ );
+ virtual void DoDrawRectangle(long x, long y, long width, long height);
+ virtual void DoDrawRoundedRectangle( long x, long y
+ ,long width, long height
+ ,double radius
+ );
+ virtual void DoDrawEllipse(long x, long y, long width, long height);
+ virtual void DoCrossHair(long x, long y);
+ virtual void DoDrawIcon(const wxIcon& icon, long x, long y);
+ virtual void DoDrawBitmap( const wxBitmap &bmp
+ ,long x, long y
+ ,bool useMask = FALSE
+ );
+ virtual void DoDrawText(const wxString& text, long x, long y);
+ virtual bool DoBlit( long xdest, long ydest
+ ,long width, long height
+ ,wxDC *source
+ ,long xsrc, long ysrc
+ ,int rop = wxCOPY, bool useMask = FALSE
+ );
+ virtual void DoGetSize(int *width, int *height) const;
+ virtual void DoGetSizeMM(int* width, int* height) const;
+ virtual void DoDrawLines( int n, wxPoint points[]
+ ,long xoffset, long yoffset
+ );
+ virtual void DoDrawPolygon( int n, wxPoint points[]
+ ,long xoffset, long yoffset
+ ,int fillStyle = wxODDEVEN_RULE
+ );
+ virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
+ virtual void DoSetClippingRegion( long x, long y
+ ,long width, long height
+ );
#if wxUSE_SPLINES
virtual void DoDrawSpline(wxList *points);
-#endif // wxUSE_SPLINES
+#endif
- // MSW-specific member variables
- int m_windowExtX;
- int m_windowExtY;
+//-----------------------------------------------------------------------------
+// Other virtuals from wxDCBase that are overridden here
+//-----------------------------------------------------------------------------
+
+ virtual void SetLogicalScale( double x, double y );
+
+//-----------------------------------------------------------------------------
+// Our own new stuff
+//-----------------------------------------------------------------------------
+ virtual void SetInternalDeviceOrigin( long x, long y );
+ virtual void GetInternalDeviceOrigin( long *x, long *y );
+
+private:
+
+ void ComputeScaleAndOrigin(void);
+ long XDEV2LOG(long x) const;
+ long XDEV2LOGREL(long x) const;
+ long YDEV2LOG(long y) const;
+ long YDEV2LOGREL(long y) const;
+ long XLOG2DEV(long x) const;
+ long XLOG2DEVREL(long x) const;
+ long YLOG2DEV(long y) const;
+ long YLOG2DEVREL(long y) const;
+
+#if WXWIN_COMPATIBILITY
+ // function hiding warning supression
+ virtual void GetTextExtent( const wxString& string
+ ,long* width
+ ,long* height
+ ,long* descent = NULL
+ ,long* externalLeading = NULL
+ ,wxFont* theFont = NULL
+ ,bool use16 = FALSE
+ ) const
+ { wxDCBase::GetTextExtent(string, width, height, descent, externalLeading, theFont, use16); };
+#endif
- // the window associated with this DC (may be NULL)
- wxWindow *m_canvas;
+protected:
- wxBitmap m_selectedBitmap;
+ // ------------------------------------------------------------------------
+ // Some additional data we need
+ // ------------------------------------------------------------------------
- // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
- bool m_bOwnsDC:1;
+ // Owner canvas and selected in bitmap (if bitmap is GDI object selected)
+ wxWindow* m_owner;
+ wxBitmap* m_bitmap;
// our HDC and its usage count: we only free it when the usage count drops
// to 0
projects / wxWidgets.git / blobdiff