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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3997 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
@@ -12,152 +12,113 @@
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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/defs.h"
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#include "wx/dc.h"
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#include "wx/window.h"
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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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// ---------------------------------------------------------------------------
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// macros
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// ---------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// constants
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//-----------------------------------------------------------------------------
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// Logical to device
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// Absolute
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#define XLOG2DEV(x) (x)
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#define YLOG2DEV(y) (y)
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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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// Relative
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#define XLOG2DEVREL(x) (x)
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#define YLOG2DEVREL(y) (y)
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//-----------------------------------------------------------------------------
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// global variables
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//-----------------------------------------------------------------------------
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// Device to logical
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// Absolute
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#define XDEV2LOG(x) (x)
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extern int wxPageNumber;
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#define YDEV2LOG(y) (y)
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//-----------------------------------------------------------------------------
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// wxDC
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//-----------------------------------------------------------------------------
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// Relative
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#define XDEV2LOGREL(x) (x)
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#define YDEV2LOGREL(y) (y)
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class WXDLLEXPORT wxDC: public wxDCBase
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/*
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* Have the same macros as for XView but not for every operation:
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* just for calculating window/viewport extent (a better way of scaling).
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*/
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// Logical to device
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// Absolute
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#define MS_XLOG2DEV(x) LogicalToDevice(x)
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#define MS_YLOG2DEV(y) LogicalToDevice(y)
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// Relative
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#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x)
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#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y)
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// Device to logical
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// Absolute
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#define MS_XDEV2LOG(x) DeviceToLogicalX(x)
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#define MS_YDEV2LOG(y) DeviceToLogicalY(y)
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// Relative
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#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x)
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#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y)
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#define YSCALE(y) (yorigin - (y))
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#define wx_round(a) (int)((a)+.5)
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class WXDLLEXPORT wxDC : public wxDCBase
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{
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DECLARE_ABSTRACT_CLASS(wxDC)
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DECLARE_DYNAMIC_CLASS(wxDC)
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public:
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public:
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wxDC();
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~wxDC();
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wxDC(void);
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~wxDC(void);
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// implement base class pure virtuals
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// ----------------------------------
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virtual void BeginDrawing(void) { };
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virtual void EndDrawing(void) { };
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virtual void Clear();
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//-----------------------------------------------------------------------------
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// Pure virtuals from wxDCBase that need defining
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//-----------------------------------------------------------------------------
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virtual bool CanDrawBitmap(void) const { return TRUE; };
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virtual bool CanGetTextExtent(void) const { return TRUE; };
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virtual int GetDepth(void) const;
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virtual wxSize GetPPI(void) const;
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virtual void GetTextExtent( const wxString& string
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,long* width
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,long* height
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,long* descent = NULL
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,long* externalLeading = NULL
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,wxFont* theFont = NULL
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) const;
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virtual long GetCharWidth(void) const;
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virtual long 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 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 SetLogicalFunction(int function);
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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 SetMapMode(int mode);
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virtual void DestroyClippingRegion(void);
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virtual void SetUserScale(double x, double y);
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virtual void SetLogicalOrigin(long x, long y);
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virtual void SetDeviceOrigin(long x, long y);
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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virtual bool StartDoc(const wxString& message);
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virtual void EndDoc();
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virtual void DoFloodFill( long x
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,long y
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,const wxColour& col
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,int style = wxFLOOD_SURFACE
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);
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virtual bool DoGetPixel(long x, long y, wxColour *col) const;
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virtual void DoDrawPoint(long x, long y);
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virtual void DoDrawLine(long x1, long y1, long x2, long y2);
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virtual void DoDrawArc(long x1, long y1,
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long x2, long y2,
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long xc, long yc
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);
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virtual void DoDrawEllipticArc( long x, long y
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,long w, long h
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,double sa, double ea
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);
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virtual void DoDrawRectangle(long x, long y, long width, long height);
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virtual void DoDrawRoundedRectangle( long x, long y
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,long width, long height
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,double radius
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);
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virtual void DoDrawEllipse(long x, long y, long width, long height);
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virtual void DoCrossHair(long x, long y);
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virtual void DoDrawIcon(const wxIcon& icon, long x, long y);
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virtual void DoDrawBitmap( const wxBitmap &bmp
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,long x, long y
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,bool useMask = FALSE
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);
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virtual void DoDrawText(const wxString& text, long x, long y);
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virtual bool DoBlit( long xdest, long ydest
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,long width, long height
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,wxDC *source
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,long xsrc, long ysrc
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,int rop = wxCOPY, bool useMask = FALSE
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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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,long xoffset, long yoffset
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);
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virtual void DoDrawPolygon( int n, wxPoint points[]
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,long xoffset, long yoffset
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,int fillStyle = wxODDEVEN_RULE
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);
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virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
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virtual void DoSetClippingRegion( long x, long y
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,long width, long height
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);
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#if wxUSE_SPLINES
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virtual void DoDrawSpline(wxList *points);
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#endif
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virtual void StartPage();
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virtual void EndPage();
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// OS2-specific member variables
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int m_windowExtX;
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int m_windowExtY;
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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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//-----------------------------------------------------------------------------
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// Other virtuals from wxDCBase that are overridden here
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//-----------------------------------------------------------------------------
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virtual void DestroyClippingRegion();
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virtual void SetLogicalScale( double x, double y );
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virtual long GetCharHeight() const;
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virtual long GetCharWidth() const;
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virtual void GetTextExtent(const wxString& string,
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long *x, long *y,
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long *descent = NULL,
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long *externalLeading = NULL,
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wxFont *theFont = NULL) const;
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//-----------------------------------------------------------------------------
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// Our own new stuff
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//-----------------------------------------------------------------------------
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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 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 SetSystemScale(double x, double y);
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virtual void SetLogicalScale(double x, double y);
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virtual void SetLogicalOrigin(long x, long y);
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virtual void SetDeviceOrigin(long x, long 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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// implementation from now on
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// --------------------------
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virtual void SetRop(WXHDC cdc);
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virtual void DoClipping(WXHDC cdc);
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@@ -173,36 +134,79 @@ class WXDLLEXPORT wxDC: public wxDCBase
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m_bOwnsDC = bOwnsDC;
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}
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private:
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#if WXWIN_COMPATIBILITY
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// function hiding warning supression
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virtual void GetTextExtent( const wxString& string
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,long* width
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,long* height
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,long* descent = NULL
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,long* externalLeading = NULL
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,wxFont* theFont = NULL
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,bool use16 = FALSE
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) const
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{ wxDCBase::GetTextExtent(string, width, height, descent, externalLeading, theFont, use16); };
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#endif
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protected:
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virtual void DoFloodFill(long x, long y, const wxColour& col,
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int style = wxFLOOD_SURFACE);
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// ------------------------------------------------------------------------
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// Some additional data we need
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// ------------------------------------------------------------------------
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virtual bool DoGetPixel(long x, long y, wxColour *col) const;
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virtual void DoDrawPoint(long x, long y);
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virtual void DoDrawLine(long x1, long y1, long x2, long y2);
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virtual void DoDrawArc(long x1, long y1,
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long x2, long y2,
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long xc, long yc);
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virtual void DoDrawEllipticArc(long x, long y, long w, long h,
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double sa, double ea);
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virtual void DoDrawRectangle(long x, long y, long width, long height);
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virtual void DoDrawRoundedRectangle(long x, long y,
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long width, long height,
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double radius);
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virtual void DoDrawEllipse(long x, long y, long width, long height);
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virtual void DoCrossHair(long x, long y);
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virtual void DoDrawIcon(const wxIcon& icon, long x, long y);
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virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y,
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bool useMask = FALSE);
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virtual void DoDrawText(const wxString& text, long x, long y);
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virtual bool DoBlit(long xdest, long ydest, long width, long height,
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wxDC *source, long xsrc, long 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(long x, long y,
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long width, long height);
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virtual void DoGetClippingRegion(long *x, long *y,
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long *width, long *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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long xoffset, long yoffset);
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virtual void DoDrawPolygon(int n, wxPoint points[],
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long xoffset, long 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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// OS2-specific member variables
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int m_windowExtX;
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int m_windowExtY;
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// the window associated with this DC (may be NULL)
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wxWindow *m_canvas;
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// Owner canvas and selected in bitmap (if bitmap is GDI object selected)
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wxWindow* m_canvas;
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wxBitmap m_selectedBitmap;
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// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
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bool m_bOwnsDC:1;
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// our HDC and its usage count: we only free it when the usage count drops
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// to 0
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WXHDC m_hDC;
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int m_hDCCount;
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bool m_bOwnsDC:1;
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// Store all old GDI objects when do a SelectObject, so we can select them
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// back in (this unselecting user's objects) so we can safely delete the
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@@ -213,6 +217,5 @@ protected:
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WXHFONT m_oldFont;
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WXHPALETTE m_oldPalette;
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};
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#endif
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// _WX_DC_H_
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