// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
-// Licence: wxWindows licence
+// 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
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;
DrawPoint(pt.x, pt.y);
}
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 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;
inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
{
{
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 )
{
DrawBitmap(bitmap, pt.x, pt.y, useMask );
}
- virtual bool Blit( long xdest, long ydest,
+ 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,
+ 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)
+ 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);
}
DrawText(text, pt.x, pt.y, use16bit);
}
virtual bool CanGetTextExtent(void) const = 0;
- virtual void GetTextExtent( const wxString &string,
+ 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;
+ 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() { return &m_font; };
-
+ virtual wxFont& GetFont() const { return (wxFont&)m_font; };
+
virtual void SetPen( const wxPen &pen ) = 0;
- virtual wxPen *GetPen() { return &m_pen; };
-
+ virtual wxPen& GetPen() const { return (wxPen&)m_pen; };
+
virtual void SetBrush( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBrush() { return &m_brush; };
+ virtual wxBrush& GetBrush() const { return (wxBrush&)m_brush; };
virtual void SetBackground( const wxBrush &brush ) = 0;
- virtual wxBrush *GetBackground() { return &m_backgroundBrush; };
+ 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 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 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() {}
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 LogicalToDeviceYRel(long y) const;
// implementation
-
+
void CalcBoundingBox( long x, long y );
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);
- }
-
-
+ {
+ 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_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;
-
+ 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