// Name: dc.h
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GTKDCH__
#define __GTKDCH__
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface
#endif
-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/gdicmn.h"
-#include "wx/pen.h"
-#include "wx/brush.h"
-#include "wx/icon.h"
-#include "wx/font.h"
-#include "wx/gdicmn.h"
-
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
-class wxDC;
+class WXDLLIMPEXP_CORE wxDC;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
-#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
-
-//-----------------------------------------------------------------------------
-// global variables
-//-----------------------------------------------------------------------------
-
-extern int wxPageNumber;
+#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
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
-class wxDC: public wxObject
+class WXDLLIMPEXP_CORE wxDC : public wxDCBase
{
- DECLARE_ABSTRACT_CLASS(wxDC)
-
- public:
+public:
+ wxDC();
+ ~wxDC() { }
- wxDC(void);
- ~wxDC(void);
-
- void BeginDrawing(void) {};
- void EndDrawing(void) {};
-
- virtual bool Ok(void) const;
+ void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
- virtual void FloodFill( long x1, long y1, wxColour *col, int style=wxFLOOD_SURFACE ) = 0;
- virtual bool GetPixel( long x1, long y1, wxColour *col ) const = 0;
+ // Resolution in pixels per logical inch
+ virtual wxSize GetPPI() const;
- virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
- virtual void CrossHair( long x, long y ) = 0;
- virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
- virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
- 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;
- virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0;
- virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
-
- virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
- virtual void DrawSpline( wxList *points );
- virtual void DrawSpline( int n, wxPoint points[] );
-
- virtual bool CanDrawBitmap(void) const = 0;
- virtual void DrawIcon( const wxIcon &icon, long x, long y )
- { DrawIcon( icon, x, y, TRUE ); }
- virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask );
- 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;
+ virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
+ virtual void EndDoc() { }
+ virtual void StartPage() { }
+ virtual void EndPage() { }
- virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
- virtual bool CanGetTextExtent(void) const = 0;
- virtual void GetTextExtent( const wxString &string, long *width, long *height,
- long *descent = (long *) NULL, long *externalLeading = (long *) NULL,
- wxFont *theFont = (wxFont *) 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) { return &m_font; };
-
- virtual void SetPen( const wxPen &pen ) = 0;
- virtual wxPen *GetPen(void) { return &m_pen; };
-
- virtual void SetBrush( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBrush(void) { return &m_brush; };
-
- virtual void SetBackground( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBackground(void) { return &m_backgroundBrush; };
-
- virtual void SetLogicalFunction( int function ) = 0;
- virtual int GetLogicalFunction(void) { 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) { 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; }
-
- 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 SetLogicalOrigin( wxCoord x, wxCoord y );
+ virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
-
- virtual void SetOptimization( bool WXUNUSED(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;
- 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;
- }
- 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;
- }
- 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);
- }
-
- virtual void DrawOpenSpline( wxList *points ) = 0;
-
- public:
-
- bool m_ok;
- bool m_colour;
-
- // not sure, what these mean
- bool m_clipping; // Is clipping on right now ?
- bool m_isInteractive; // Is GetPixel possible ?
- bool m_autoSetting; // wxMSW only ?
- bool m_dontDelete; // wxMSW only ?
- bool m_optimize; // wxMSW only ?
- wxString m_filename; // Not sure where this belongs.
-
- 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_deviceOriginX,m_deviceOriginY; // Sum of the two above.
-
- long m_logicalOriginX,m_logicalOriginY; // User defined.
-
- 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;
+ // implementation
+ // --------------
+
+ virtual void ComputeScaleAndOrigin();
+
+ wxCoord XDEV2LOG(wxCoord x) const
+ {
+ wxCoord new_x = x - m_deviceOriginX;
+ if (new_x > 0)
+ return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
+ else
+ return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
+ }
+ wxCoord XDEV2LOGREL(wxCoord x) const
+ {
+ if (x > 0)
+ return (wxCoord)((double)(x) / m_scaleX + 0.5);
+ else
+ return (wxCoord)((double)(x) / m_scaleX - 0.5);
+ }
+ wxCoord YDEV2LOG(wxCoord y) const
+ {
+ wxCoord new_y = y - m_deviceOriginY;
+ if (new_y > 0)
+ return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
+ else
+ return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
+ }
+ wxCoord YDEV2LOGREL(wxCoord y) const
+ {
+ if (y > 0)
+ return (wxCoord)((double)(y) / m_scaleY + 0.5);
+ else
+ return (wxCoord)((double)(y) / m_scaleY - 0.5);
+ }
+ wxCoord XLOG2DEV(wxCoord x) const
+ {
+ wxCoord new_x = x - m_logicalOriginX;
+ if (new_x > 0)
+ return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
+ else
+ return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
+ }
+ wxCoord XLOG2DEVREL(wxCoord x) const
+ {
+ if (x > 0)
+ return (wxCoord)((double)(x) * m_scaleX + 0.5);
+ else
+ return (wxCoord)((double)(x) * m_scaleX - 0.5);
+ }
+ wxCoord YLOG2DEV(wxCoord y) const
+ {
+ wxCoord new_y = y - m_logicalOriginY;
+ if (new_y > 0)
+ return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
+ else
+ return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
+ }
+ wxCoord YLOG2DEVREL(wxCoord y) const
+ {
+ if (y > 0)
+ return (wxCoord)((double)(y) * m_scaleY + 0.5);
+ else
+ return (wxCoord)((double)(y) * m_scaleY - 0.5);
+ }
+
+protected:
+ // base class pure virtuals implemented here
+ virtual void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+ virtual void DoGetSizeMM(int* width, int* height) const;
+
+public:
+ // GTK-specific member variables
+
+ // 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;
+
+ bool m_needComputeScaleX,
+ m_needComputeScaleY; // not yet used
+
+
+private:
+ DECLARE_ABSTRACT_CLASS(wxDC)
};
+// this must be defined when wxDC::Blit() honours the DC origian and needed to
+// allow wxUniv code in univ/winuniv.cpp to work with versions of wxGTK
+// 2.3.[23]
+#ifndef wxHAS_WORKING_GTK_DC_BLIT
+ #define wxHAS_WORKING_GTK_DC_BLIT
+#endif
+
#endif // __GTKDCH__
projects / wxWidgets.git / blobdiff