// 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
/////////////////////////////////////////////////////////////////////////////
// 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
+#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
{
DECLARE_ABSTRACT_CLASS(wxDC)
- public:
+public:
+
+ wxDC();
+ ~wxDC();
+
+ virtual void BeginDrawing() {}
+ virtual void EndDrawing() {}
+
+ virtual bool Ok() const;
+
+ virtual void FloodFill( long x, long y, const 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, col, style);
+ }
+ virtual bool GetPixel( long x, long y, wxColour *col ) const = 0;
+ inline bool GetPixel(const wxPoint& pt, wxColour *col) const
+ {
+ return GetPixel(pt.x, pt.y, col);
+ }
+
+ 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 CrossHair( long x, long y ) = 0;
+ inline void CrossHair(const wxPoint& pt)
+ {
+ CrossHair(pt.x, pt.y);
+ }
+ virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
+ 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 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)
+ {
+ DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
+ }
+ virtual void DrawPoint( long x, long y ) = 0;
+ inline void DrawPoint(const wxPoint& pt)
+ {
+ DrawPoint(pt.x, pt.y);
+ }
+ virtual void DrawPoint( wxPoint& point );
- wxDC(void);
- ~wxDC(void);
-
- void BeginDrawing(void) {};
- void EndDrawing(void) {};
-
- virtual bool Ok(void) const { return m_ok; };
-
- 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;
-
- 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,
+ 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,
+ 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 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 = 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) { 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); };
-
+
+ virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
+ inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
+ {
+ DrawRectangle(pt.x, pt.y, sz.x, sz.y);
+ }
+ inline void DrawRectangle(const wxRect& rect)
+ {
+ DrawRectangle(rect.x, rect.y, rect.width, rect.height);
+ }
+ 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)
+ {
+ DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
+ }
+ inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
+ {
+ DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
+ }
+ virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
+ inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
+ {
+ DrawEllipse(pt.x, pt.y, sz.x, sz.y);
+ }
+ inline void DrawEllipse(const wxRect& rect)
+ {
+ DrawEllipse(rect.x, rect.y, rect.width, rect.height);
+ }
+
+ 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 ) = 0;
+ inline void DrawIcon( const wxIcon& icon, const wxPoint& pt )
+ {
+ DrawIcon(icon, pt.x, pt.y);
+ }
+ virtual void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) = 0;
+ inline void DrawBitmap( const wxBitmap& bitmap, const wxPoint& pt, bool useMask=FALSE )
+ {
+ DrawBitmap(bitmap, pt.x, pt.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)
+ {
+ return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
+ }
+
+ 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 )
+ {
+ DrawText(text, pt.x, pt.y, use16bit);
+ }
+ 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() = 0;
+
+ virtual void SetFont( const wxFont &font ) = 0;
+ virtual wxFont& GetFont() const { return (wxFont&)m_font; };
+
+ virtual void SetPen( const wxPen &pen ) = 0;
+ virtual wxPen& GetPen() const { return (wxPen&)m_pen; };
+
+ virtual void SetBrush( const wxBrush &brush ) = 0;
+ virtual wxBrush& GetBrush() const { return (wxBrush&)m_brush; };
+
+ virtual void SetBackground( const wxBrush &brush ) = 0;
+ virtual wxBrush& GetBackground() const { return (wxBrush&)m_backgroundBrush; };
+
+ virtual void SetLogicalFunction( int function ) = 0;
+ virtual int GetLogicalFunction() { return m_logicalFunction; };
+
+ virtual void SetTextForeground( const wxColour &col );
+ virtual void SetTextBackground( const wxColour &col );
+ virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
+ virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };
+
+ virtual void SetBackgroundMode( int mode ) = 0;
+ virtual int GetBackgroundMode() { 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 SetInternalDeviceOrigin( long x, long y );
- virtual void GetInternalDeviceOrigin( long *x, long *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;
+ virtual void DestroyClippingRegion(void);
+ virtual void SetClippingRegion( long x, long y, long width, long height );
+ virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
+ virtual void SetClippingRegion( const wxRegion ®ion ) = 0;
+
+ virtual long MinX() const { return m_minX; }
+ virtual long MaxX() const { return m_maxX; }
+ virtual long MinY() const { return m_minY; }
+ virtual long MaxY() const { return m_maxY; }
+
+ // Size in device units
+ virtual void GetSize( int* width, int* height ) const;
+ inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
+
+ // Size in millimetres
+ virtual void GetSizeMM( int* width, int* height ) const;
+ inline wxSize GetSizeMM(void) const { int w, h; GetSizeMM(&w, &h); return wxSize(w, h); }
+
+ // Resolution in pixels per logical inch
+ virtual wxSize GetPPI(void) const;
+
+ virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
+ virtual void EndDoc() {}
+ virtual void StartPage() {}
+ virtual void EndPage() {}
+
+ 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 SetAxisOrientation( bool xLeftRight, bool yBottomUp );
+
+ virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
+ virtual bool GetOptimization() { 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;
+
+ // implementation
- public:
-
void CalcBoundingBox( long x, long y );
- void ComputeScaleAndOrigin(void);
-
+ void ComputeScaleAndOrigin();
+
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 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);
- }
+ {
+ 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 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);
- }
+ {
+ 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 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);
- }
+ {
+ 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 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;
-
+ {
+ 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_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_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.
-
+ double m_mm_to_pix_x,m_mm_to_pix_y;
+
+ long m_deviceOriginX,m_deviceOriginY;
+
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;
};
projects / wxWidgets.git / blobdiff