// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DC_H_
#define _WX_DC_H_
#ifdef __GNUG__
-#pragma interface "dc.h"
+ #pragma interface "dc.h"
#endif
#include "wx/pen.h"
//-----------------------------------------------------------------------------
#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
+ #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
-//-----------------------------------------------------------------------------
-// global variables
-//-----------------------------------------------------------------------------
-
-extern int wxPageNumber;
-
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxDC: public wxObject
+class WXDLLEXPORT wxDC : public wxDCBase
{
- DECLARE_ABSTRACT_CLASS(wxDC)
+ DECLARE_DYNAMIC_CLASS(wxDC)
- public:
+public:
+ wxDC();
+ ~wxDC() { }
- wxDC(void);
- ~wxDC(void);
-
- void BeginDrawing(void) {};
- void EndDrawing(void) {};
-
- virtual bool Ok(void) const { return m_ok; };
+ // implement base class pure virtuals
+ // ----------------------------------
- virtual void FloodFill( long x1, long y1, wxColour* col, int style=wxFLOOD_SURFACE ) = 0;
- inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE)
- {
- FloodFill(pt.x, pt.y, (wxColour*) & col, style);
- }
+ virtual void DestroyClippingRegion();
- virtual bool GetPixel( long x1, long y1, wxColour *col ) const = 0;
- inline bool GetPixel(const wxPoint& pt, wxColour *col) const
- {
- return GetPixel(pt.x, pt.y, col);
- }
+ virtual wxSize GetPPI() const;
- virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
- inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
- {
- DrawLine(pt1.x, pt1.y, pt2.x, pt2.y);
- }
+ 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);
- virtual void CrossHair( long x, long y ) = 0;
- inline void CrossHair(const wxPoint& pt)
- {
- CrossHair(pt.x, pt.y);
- }
+protected:
+ 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 DrawArc( long x1, long y1, long x2, long y2, long xc, long yc ) = 0;
- inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
- {
- DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y);
- }
+ virtual void DoSetClippingRegion(long x, long y,
+ long width, long height);
+ virtual void DoGetSize(int *width, int *height) const;
+ virtual void DoGetSizeMM(int* width, int* height) const;
+
+public:
+ void ComputeScaleAndOrigin();
- virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
- virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea)
+ long XDEV2LOG(long x) const
{
- DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
+ long new_x = x - m_deviceOriginX;
+ if (new_x > 0)
+ return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
+ else
+ return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
}
-
- virtual void DrawPoint( long x, long y ) = 0;
- virtual void DrawPoint( wxPoint& point );
-
- virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
- virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
- virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
- int fillStyle=wxODDEVEN_RULE ) = 0;
- virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
- int fillStyle=wxODDEVEN_RULE );
-
- virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
- inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
+ long XDEV2LOGREL(long x) const
{
- DrawRectangle(pt.x, pt.y, sz.x, sz.y);
+ if (x > 0)
+ return (long)((double)(x) / m_scaleX + 0.5);
+ else
+ return (long)((double)(x) / m_scaleX - 0.5);
}
- inline void DrawRectangle(const wxRect& rect)
+ long YDEV2LOG(long y) const
{
- DrawRectangle(rect.x, rect.y, rect.width, rect.height);
+ long new_y = y - m_deviceOriginY;
+ if (new_y > 0)
+ return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
+ else
+ return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
}
- virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0;
- inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0)
+ long YDEV2LOGREL(long y) const
{
- DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
+ if (y > 0)
+ return (long)((double)(y) / m_scaleY + 0.5);
+ else
+ return (long)((double)(y) / m_scaleY - 0.5);
}
- inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
+ long XLOG2DEV(long x) const
{
- DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
+ long new_x = x - m_logicalOriginX;
+ if (new_x > 0)
+ return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
+ else
+ return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
}
-
- virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
- inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
+ // Without device translation, for backing pixmap purposes
+ long XLOG2DEV_2(long x) const
{
- DrawEllipse(pt.x, pt.y, sz.x, sz.y);
+ long new_x = x - m_logicalOriginX;
+ if (new_x > 0)
+ return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX;
+ else
+ return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX;
}
- inline void DrawEllipse(const wxRect& rect)
+ long XLOG2DEVREL(long x) const
{
- DrawEllipse(rect.x, rect.y, rect.width, rect.height);
+ if (x > 0)
+ return (long)((double)(x) * m_scaleX + 0.5);
+ else
+ return (long)((double)(x) * m_scaleX - 0.5);
}
-
- virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
- virtual void DrawSpline( wxList *points ) = 0;
- virtual void DrawSpline( int n, wxPoint points[] );
-
- virtual bool CanDrawBitmap(void) const = 0;
-
- virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask=FALSE );
- inline void DrawIcon(const wxIcon& icon, const wxPoint& pt)
+ long YLOG2DEV(long y) const
{
- DrawIcon(icon, pt.x, pt.y);
+ long new_y = y - m_logicalOriginY;
+ if (new_y > 0)
+ return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
+ else
+ return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
}
-
- // TODO DrawBitmap is not always the same as DrawIcon, especially if bitmaps and
- // icons are implemented differently.
- void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE )
- { DrawIcon( *((wxIcon*)(&bmp)), x, y, useMask ); }
-
- virtual bool Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE ) = 0;
- inline bool Blit(const wxPoint& destPt, const wxSize& sz,
- wxDC *source, const wxPoint& srcPt, int rop = wxCOPY, bool useMask = FALSE)
+ // Without device translation, for backing pixmap purposes
+ long YLOG2DEV_2(long y) const
{
- return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
+ long new_y = y - m_logicalOriginY;
+ if (new_y > 0)
+ return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY;
+ else
+ return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY;
}
-
- virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
- inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE)
+ long YLOG2DEVREL(long y) const
{
- DrawText(text, pt.x, pt.y, use16bit);
+ if (y > 0)
+ return (long)((double)(y) * m_scaleY + 0.5);
+ else
+ return (long)((double)(y) * m_scaleY - 0.5);
}
- virtual bool CanGetTextExtent(void) const = 0;
- virtual void GetTextExtent( const wxString &string, long *width, long *height,
- long *descent = NULL, long *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16 = FALSE ) = 0;
- virtual long GetCharWidth(void) = 0;
- virtual long GetCharHeight(void) = 0;
-
- virtual void Clear(void) = 0;
-
- virtual void SetFont( const wxFont &font ) = 0;
- virtual wxFont *GetFont(void) const { return (wxFont*) &m_font; };
-
- virtual void SetPen( const wxPen &pen ) = 0;
- virtual wxPen *GetPen(void) const { return (wxPen*) &m_pen; };
-
- virtual void SetBrush( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBrush(void) const { return (wxBrush*) &m_brush; };
+ void SetInternalDeviceOrigin( long x, long y );
+ void GetInternalDeviceOrigin( long *x, long *y );
- virtual void SetBackground( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBackground(void) const { return (wxBrush*) &m_backgroundBrush; };
-
- virtual void SetLogicalFunction( int function ) = 0;
- virtual int GetLogicalFunction(void) const { return m_logicalFunction; };
-
- virtual void SetTextForeground( const wxColour &col );
- virtual void SetTextBackground( const wxColour &col );
- virtual wxColour& GetTextBackground(void) const { return (wxColour&)m_textBackgroundColour; };
- virtual wxColour& GetTextForeground(void) const { return (wxColour&)m_textForegroundColour; };
-
- virtual void SetBackgroundMode( int mode ) = 0;
- virtual int GetBackgroundMode(void) const { return m_backgroundMode; };
-
- virtual void SetPalette( const wxPalette& palette ) = 0;
- void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
-
- // the first two must be overridden and called
- virtual void SetClippingRegion( long x, long y, long width, long height );
- virtual void DestroyClippingRegion(void);
- virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
-
- virtual inline long MinX(void) const { return m_minX; }
- virtual inline long MaxX(void) const { return m_maxX; }
- virtual inline long MinY(void) const { return m_minY; }
- virtual inline long MaxY(void) const { return m_maxY; }
+public:
+ // not sure what for, but 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;
- virtual void GetSize( int* width, int* height ) const;
- inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
- virtual void GetSizeMM( long* width, long* height ) const;
-
- virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; };
- virtual void EndDoc(void) {};
- virtual void StartPage(void) {};
- virtual void EndPage(void) {};
-
- virtual void SetMapMode( int mode );
- virtual int GetMapMode(void) const { return m_mappingMode; };
-
- virtual void SetUserScale( double x, double y );
- virtual void GetUserScale( double *x, double *y );
- virtual void SetLogicalScale( double x, double y );
- virtual void GetLogicalScale( double *x, double *y );
-
- virtual void SetLogicalOrigin( long x, long y );
- virtual void GetLogicalOrigin( long *x, long *y );
- virtual void SetDeviceOrigin( long x, long y );
- virtual void GetDeviceOrigin( long *x, long *y );
- virtual void SetInternalDeviceOrigin( long x, long y );
- virtual void GetInternalDeviceOrigin( long *x, long *y );
+ // If un-scrolled is non-zero or d.o. changes with scrolling. Set using
+ // SetInternalDeviceOrigin().
+ long m_internalDeviceOriginX,m_internalDeviceOriginY;
- virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
-
- virtual void SetOptimization( bool optimize ) { m_optimize = optimize; };
- virtual bool GetOptimization(void) { return m_optimize; };
-
- virtual long DeviceToLogicalX(long x) const;
- virtual long DeviceToLogicalY(long y) const;
- virtual long DeviceToLogicalXRel(long x) const;
- virtual long DeviceToLogicalYRel(long y) const;
- virtual long LogicalToDeviceX(long x) const;
- virtual long LogicalToDeviceY(long y) const;
- virtual long LogicalToDeviceXRel(long x) const;
- virtual long LogicalToDeviceYRel(long y) const;
+ // To be set by external classes such as wxScrolledWindow using
+ // SetDeviceOrigin()
+ long m_externalDeviceOriginX,m_externalDeviceOriginY;
- public:
-
- void CalcBoundingBox( long x, long y );
- void ComputeScaleAndOrigin(void);
-
- long XDEV2LOG(long x) const
- {
- long new_x = x - m_deviceOriginX;
- if (new_x > 0)
- return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
- else
- return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
- }
- long XDEV2LOGREL(long x) const
- {
- if (x > 0)
- return (long)((double)(x) / m_scaleX + 0.5);
- else
- return (long)((double)(x) / m_scaleX - 0.5);
- }
- long YDEV2LOG(long y) const
- {
- long new_y = y - m_deviceOriginY;
- if (new_y > 0)
- return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
- else
- return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
- }
- long YDEV2LOGREL(long y) const
- {
- if (y > 0)
- return (long)((double)(y) / m_scaleY + 0.5);
- else
- return (long)((double)(y) / m_scaleY - 0.5);
- }
- long XLOG2DEV(long x) const
- {
- long new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
- else
- return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
- }
- // Without device translation, for backing pixmap purposes
- long XLOG2DEV_2(long x) const
- {
- long new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX;
- else
- return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX;
- }
- long XLOG2DEVREL(long x) const
- {
- if (x > 0)
- return (long)((double)(x) * m_scaleX + 0.5);
- else
- return (long)((double)(x) * m_scaleX - 0.5);
- }
- long YLOG2DEV(long y) const
- {
- long new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
- else
- return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
- }
- // Without device translation, for backing pixmap purposes
- long YLOG2DEV_2(long y) const
- {
- long new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY;
- else
- return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY;
- }
- long YLOG2DEVREL(long y) const
- {
- if (y > 0)
- return (long)((double)(y) * m_scaleY + 0.5);
- else
- return (long)((double)(y) * m_scaleY - 0.5);
- }
-
- public:
-
- bool m_ok;
- bool m_colour;
-
- // not sure, what these mean
- bool m_clipping; // Is clipping on right now ?
- bool m_optimize; // wxMSW only ?
- bool m_isInteractive; // For wxPostScriptDC
- wxString m_filename; // Ditto
-
- wxPen m_pen;
- wxBrush m_brush;
- wxBrush m_backgroundBrush;
- wxColour m_textForegroundColour;
- wxColour m_textBackgroundColour;
- wxFont m_font;
-
- int m_logicalFunction;
- int m_backgroundMode;
- int m_textAlignment; // gone in wxWin 2.0 ?
-
- int m_mappingMode;
-
- // not sure what for, but 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;
-
- long m_internalDeviceOriginX,m_internalDeviceOriginY; // If un-scrolled is non-zero or
- // d.o. changes with scrolling.
- // Set using SetInternalDeviceOrigin().
-
- long m_externalDeviceOriginX,m_externalDeviceOriginY; // To be set by external classes
- // such as wxScrolledWindow
- // using SetDeviceOrigin()
-
- long m_deviceOriginX,m_deviceOriginY; // Sum of the two above.
-
- long m_logicalOriginX,m_logicalOriginY; // User defined.
+ // recompute scale?
+ bool m_needComputeScaleX, m_needComputeScaleY;
- double m_scaleX,m_scaleY;
- double m_logicalScaleX,m_logicalScaleY;
- double m_userScaleX,m_userScaleY;
- long m_signX,m_signY;
-
- bool m_needComputeScaleX,m_needComputeScaleY; // not yet used
-
- float m_scaleFactor; // wxPSDC wants to have this. Will disappear.
-
- long m_clipX1,m_clipY1,m_clipX2,m_clipY2;
- long m_minX,m_maxX,m_minY,m_maxY;
+ // wxPSDC wants to have this. Will disappear.
+ float m_scaleFactor;
};
#endif
projects / wxWidgets.git / blobdiff