-
- wxDrawObject()
- : m_isBBoxValid(false)
- , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
- { }
-
- virtual ~wxDrawObject() { }
-
- virtual void Draw(wxDCBase&) const { }
-
- virtual void CalcBoundingBox(wxCoord x, wxCoord y)
- {
- if ( m_isBBoxValid )
- {
- if ( x < m_minX ) m_minX = x;
- if ( y < m_minY ) m_minY = y;
- if ( x > m_maxX ) m_maxX = x;
- if ( y > m_maxY ) m_maxY = y;
- }
- else
- {
- m_isBBoxValid = true;
-
- m_minX = x;
- m_minY = y;
- m_maxX = x;
- m_maxY = y;
- }
- }
-
- void ResetBoundingBox()
- {
- m_isBBoxValid = false;
-
- m_minX = m_maxX = m_minY = m_maxY = 0;
- }
-
- // Get the final bounding box of the PostScript or Metafile picture.
-
- wxCoord MinX() const { return m_minX; }
- wxCoord MaxX() const { return m_maxX; }
- wxCoord MinY() const { return m_minY; }
- wxCoord MaxY() const { return m_maxY; }
-
- //to define the type of object for derived objects
- virtual int GetType()=0;
-
-protected:
- //for boundingbox calculation
- bool m_isBBoxValid:1;
- //for boundingbox calculation
- wxCoord m_minX, m_minY, m_maxX, m_maxY;
-};
-
-// ---------------------------------------------------------------------------
-// global variables
-// ---------------------------------------------------------------------------
-
-// ---------------------------------------------------------------------------
-// wxDC is the device context - object on which any drawing is done
-// ---------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDCBase : public wxObject
-{
-public:
- wxDCBase();
- virtual ~wxDCBase();
-
- // graphic primitives
- // ------------------
-
- virtual void DrawObject(wxDrawObject* drawobject)
- {
- drawobject->Draw(*this);
- CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
- CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
- }
-
- bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE)
- { return DoFloodFill(x, y, col, style); }
- bool FloodFill(const wxPoint& pt, const wxColour& col,
- int style = wxFLOOD_SURFACE)
- { return DoFloodFill(pt.x, pt.y, col, style); }
-
- // fill the area specified by rect with a radial gradient, starting from
- // initialColour in the centre of the cercle and fading to destColour.
- void GradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour)
- { GradientFillConcentric(rect, initialColour, destColour,
- wxPoint(rect.GetWidth() / 2,
- rect.GetHeight() / 2)); }
-
- void GradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- const wxPoint& circleCenter)
- { DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
-
- // fill the area specified by rect with a linear gradient
- void GradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection = wxEAST)
- { DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
-
- bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
- { return DoGetPixel(x, y, col); }
- bool GetPixel(const wxPoint& pt, wxColour *col) const
- { return DoGetPixel(pt.x, pt.y, col); }
-
- void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
- { DoDrawLine(x1, y1, x2, y2); }
- void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
- { DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
-
- void CrossHair(wxCoord x, wxCoord y)
- { DoCrossHair(x, y); }
- void CrossHair(const wxPoint& pt)
- { DoCrossHair(pt.x, pt.y); }
-
- void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc)
- { DoDrawArc(x1, y1, x2, y2, xc, yc); }
- void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
- { DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
-
- void DrawCheckMark(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height)
- { DoDrawCheckMark(x, y, width, height); }
- void DrawCheckMark(const wxRect& rect)
- { DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }
-
- void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
- double sa, double ea)
- { DoDrawEllipticArc(x, y, w, h, sa, ea); }
- void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
- double sa, double ea)
- { DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
-
- void DrawPoint(wxCoord x, wxCoord y)
- { DoDrawPoint(x, y); }
- void DrawPoint(const wxPoint& pt)
- { DoDrawPoint(pt.x, pt.y); }
-
- void DrawLines(int n, wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0)
- { DoDrawLines(n, points, xoffset, yoffset); }
- void DrawLines(const wxList *list,
- wxCoord xoffset = 0, wxCoord yoffset = 0);
-
- void DrawPolygon(int n, wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
-
- void DrawPolygon(const wxList *list,
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE);
-
- void DrawPolyPolygon(int n, int count[], wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
-
- void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { DoDrawRectangle(x, y, width, height); }
- void DrawRectangle(const wxPoint& pt, const wxSize& sz)
- { DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
- void DrawRectangle(const wxRect& rect)
- { DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
-
- void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
- double radius)
- { DoDrawRoundedRectangle(x, y, width, height, radius); }
- void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
- double radius)
- { DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
- void DrawRoundedRectangle(const wxRect& r, double radius)
- { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
-
- void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
- { DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
- void DrawCircle(const wxPoint& pt, wxCoord radius)
- { DrawCircle(pt.x, pt.y, radius); }
-
- void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { DoDrawEllipse(x, y, width, height); }
- void DrawEllipse(const wxPoint& pt, const wxSize& sz)
- { DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
- void DrawEllipse(const wxRect& rect)
- { DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
-
- void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
- { DoDrawIcon(icon, x, y); }
- void DrawIcon(const wxIcon& icon, const wxPoint& pt)
- { DoDrawIcon(icon, pt.x, pt.y); }
-
- void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = false)
- { DoDrawBitmap(bmp, x, y, useMask); }
- void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
- bool useMask = false)
- { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
-
- virtual void DrawScaledBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
- {
- if (bmp.GetWidth() != w || bmp.GetHeight() != h)
- {
- if (quality != wxIMAGE_QUALITY_HIGH)
- quality = wxIMAGE_QUALITY_NORMAL;
- wxImage tmpImg = bmp.ConvertToImage();
- tmpImg.Rescale( w, h, quality );
- wxBitmap scaledBmp(tmpImg);
- DoDrawBitmap(scaledBmp, x, y, useMask);
- }
- else
- DoDrawBitmap(bmp, x, y, useMask);
- }
- virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxPoint& pt, const wxSize& sz, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
- {
- if (bmp.GetWidth() != sz.x || bmp.GetHeight() != sz.y)
- {
- if (quality != wxIMAGE_QUALITY_HIGH)
- quality = wxIMAGE_QUALITY_NORMAL;
- wxImage tmpImg = bmp.ConvertToImage();
- tmpImg.Rescale( sz.x, sz.y, quality );
- wxBitmap scaledBmp(tmpImg);
- DoDrawBitmap(scaledBmp, pt.x, pt.y, useMask);
- }
- else
- DoDrawBitmap(bmp, pt.x, pt.y, useMask);
- }
- virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxRect& rect, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
- {
- if (bmp.GetWidth() != rect.width || bmp.GetHeight() != rect.height)
- {
- if (quality != wxIMAGE_QUALITY_HIGH)
- quality = wxIMAGE_QUALITY_NORMAL;
- wxImage tmpImg = bmp.ConvertToImage();
- tmpImg.Rescale( rect.width, rect.height, quality );
- wxBitmap scaledBmp(tmpImg);
- DoDrawBitmap(scaledBmp, rect.x, rect.y, useMask);
- }
- else
- DoDrawBitmap(bmp, rect.x, rect.y, useMask);
- }
-
- void DrawText(const wxString& text, wxCoord x, wxCoord y)
- { DoDrawText(text, x, y); }
- void DrawText(const wxString& text, const wxPoint& pt)
- { DoDrawText(text, pt.x, pt.y); }
-
- void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
- { DoDrawRotatedText(text, x, y, angle); }
- void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
- { DoDrawRotatedText(text, pt.x, pt.y, angle); }
-
- // this version puts both optional bitmap and the text into the given
- // rectangle and aligns is as specified by alignment parameter; it also
- // will emphasize the character with the given index if it is != -1 and
- // return the bounding rectangle if required
- virtual void DrawLabel(const wxString& text,
- const wxBitmap& image,
- const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1,
- wxRect *rectBounding = NULL);
-
- void DrawLabel(const wxString& text, const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1)
- { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
-
- bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
- {
- return DoBlit(xdest, ydest, width, height,
- source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
- }
- bool Blit(const wxPoint& destPt, const wxSize& sz,
- wxDC *source, const wxPoint& srcPt,
- int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
- {
- return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
- source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
- }
-
- bool StretchBlit(wxCoord dstX, wxCoord dstY,
- wxCoord dstWidth, wxCoord dstHeight,
- wxDC *source,
- wxCoord srcX, wxCoord srcY,
- wxCoord srcWidth, wxCoord srcHeight,
- int rop = wxCOPY, bool useMask = false,
- wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
- {
- return DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
- source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
- }
- bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
- wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
- int rop = wxCOPY, bool useMask = false, const wxPoint& srcMaskPt = wxDefaultPosition)
- {
- return DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
- source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
- }
-
- wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
- {
- return DoGetAsBitmap(subrect);
- }
-
-#if wxUSE_SPLINES
- // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
- void DrawSpline(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord x3, wxCoord y3);
- void DrawSpline(int n, wxPoint points[]);
-
- void DrawSpline(wxList *points) { DoDrawSpline(points); }
-#endif // wxUSE_SPLINES
-
- // Eventually we will have wxUSE_GENERIC_DRAWELLIPSE
-#ifdef __WXWINCE__
- //! Generic method to draw ellipses, circles and arcs with current pen and brush.
- /*! \param x Upper left corner of bounding box.
- * \param y Upper left corner of bounding box.
- * \param w Width of bounding box.
- * \param h Height of bounding box.
- * \param sa Starting angle of arc
- * (counterclockwise, start at 3 o'clock, 360 is full circle).
- * \param ea Ending angle of arc.
- * \param angle Rotation angle, the Arc will be rotated after
- * calculating begin and end.
- */
- void DrawEllipticArcRot( wxCoord x, wxCoord y,
- wxCoord width, wxCoord height,
- double sa = 0, double ea = 0, double angle = 0 )
- { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }
-
- void DrawEllipticArcRot( const wxPoint& pt,
- const wxSize& sz,
- double sa = 0, double ea = 0, double angle = 0 )
- { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }
-
- void DrawEllipticArcRot( const wxRect& rect,
- double sa = 0, double ea = 0, double angle = 0 )
- { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
-
- virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
- wxCoord w, wxCoord h,
- double sa = 0, double ea = 0, double angle = 0 );
-
- //! Rotates points around center.
- /*! This is a quite straight method, it calculates in pixels
- * and so it produces rounding errors.
- * \param points The points inside will be rotated.
- * \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
- * \param center Center of rotation.
- */
- void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) );
-
- // used by DrawEllipticArcRot
- // Careful: wxList gets filled with points you have to delete later.
- void CalculateEllipticPoints( wxList* points,
- wxCoord xStart, wxCoord yStart,
- wxCoord w, wxCoord h,
- double sa, double ea );
-#endif
-
- // global DC operations
- // --------------------
-
- virtual void Clear() = 0;
-
- virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
- virtual void EndDoc() { }
-
- virtual void StartPage() { }
- virtual void EndPage() { }
-
-#if WXWIN_COMPATIBILITY_2_6
- wxDEPRECATED( void BeginDrawing() );
- wxDEPRECATED( void EndDrawing() );
-#endif // WXWIN_COMPATIBILITY_2_6
-
-
- // set objects to use for drawing
- // ------------------------------
-
- virtual void SetFont(const wxFont& font) = 0;
- virtual void SetPen(const wxPen& pen) = 0;
- virtual void SetBrush(const wxBrush& brush) = 0;
- virtual void SetBackground(const wxBrush& brush) = 0;
- virtual void SetBackgroundMode(int mode) = 0;
-#if wxUSE_PALETTE
- virtual void SetPalette(const wxPalette& palette) = 0;
-#endif // wxUSE_PALETTE
-
- // clipping region
- // ---------------
-
- void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { DoSetClippingRegion(x, y, width, height); }
- void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
- { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
- void SetClippingRegion(const wxRect& rect)
- { DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
- void SetClippingRegion(const wxRegion& region)
- { DoSetClippingRegionAsRegion(region); }
-
- virtual void DestroyClippingRegion() { ResetClipping(); }
-
- void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
- { DoGetClippingBox(x, y, w, h); }
- void GetClippingBox(wxRect& rect) const
- {
- DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height);
- }
-
- // text extent
- // -----------
-
- virtual wxCoord GetCharHeight() const = 0;
- virtual wxCoord GetCharWidth() const = 0;
-
- // only works for single line strings
- void GetTextExtent(const wxString& string,
- wxCoord *x, wxCoord *y,
- wxCoord *descent = NULL,
- wxCoord *externalLeading = NULL,
- const wxFont *theFont = NULL) const
- { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
-
- wxSize GetTextExtent(const wxString& string) const
- {
- wxCoord w, h;
- DoGetTextExtent(string, &w, &h);
- return wxSize(w, h);
- }
-
- // works for single as well as multi-line strings
- virtual void GetMultiLineTextExtent(const wxString& string,
- wxCoord *width,
- wxCoord *height,
- wxCoord *heightLine = NULL,
- const wxFont *font = NULL) const;
-
- wxSize GetMultiLineTextExtent(const wxString& string) const
- {
- wxCoord w, h;
- GetMultiLineTextExtent(string, &w, &h);
- return wxSize(w, h);
- }
-
- // Measure cumulative width of text after each character
- bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
- { return DoGetPartialTextExtents(text, widths); }
-
-
- // size and resolution
- // -------------------
-
- // in device units
- void GetSize(int *width, int *height) const
- { DoGetSize(width, height); }
- wxSize GetSize() const
- {
- int w, h;
- DoGetSize(&w, &h);
-
- return wxSize(w, h);
- }
-
- // in mm
- void GetSizeMM(int* width, int* height) const
- { DoGetSizeMM(width, height); }
- wxSize GetSizeMM() const
- {
- int w, h;
- DoGetSizeMM(&w, &h);
-
- return wxSize(w, h);
- }
-
- // query DC capabilities
- // ---------------------
-
- virtual bool CanDrawBitmap() const = 0;
- virtual bool CanGetTextExtent() const = 0;
-
- // colour depth
- virtual int GetDepth() const = 0;
-
- // Resolution in Pixels per inch
- virtual wxSize GetPPI() const = 0;
-
- virtual bool Ok() const { return IsOk(); }
- virtual bool IsOk() const { return m_ok; }
-
- // accessors and setters
- // ---------------------
-
- virtual int GetBackgroundMode() const { return m_backgroundMode; }
- virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
- virtual const wxBrush& GetBrush() const { return m_brush; }
- virtual const wxFont& GetFont() const { return m_font; }
- virtual const wxPen& GetPen() const { return m_pen; }
-
- virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
- virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
- virtual void SetTextForeground(const wxColour& colour)
- { m_textForegroundColour = colour; }
- virtual void SetTextBackground(const wxColour& colour)
- { m_textBackgroundColour = colour; }
-
-
- // coordinates conversions and transforms
- // --------------------------------------
-
- virtual wxCoord DeviceToLogicalX(wxCoord x) const;
- virtual wxCoord DeviceToLogicalY(wxCoord y) const;
- virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
- virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
- virtual wxCoord LogicalToDeviceX(wxCoord x) const;
- virtual wxCoord LogicalToDeviceY(wxCoord y) const;
- virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
- virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;
-
- virtual void SetMapMode(int mode);
- virtual int GetMapMode() const { return m_mappingMode; }
-
- virtual void SetUserScale(double x, double y);
- virtual void GetUserScale(double *x, double *y) const
- {
- if ( x ) *x = m_userScaleX;
- if ( y ) *y = m_userScaleY;
- }
-
- virtual void SetLogicalScale(double x, double y);
- virtual void GetLogicalScale(double *x, double *y)
- {
- if ( x ) *x = m_logicalScaleX;
- if ( y ) *y = m_logicalScaleY;
- }
-
- virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
- void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
- { DoGetLogicalOrigin(x, y); }
- wxPoint GetLogicalOrigin() const
- { wxCoord x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
-
- virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
- void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
- { DoGetDeviceOrigin(x, y); }
- wxPoint GetDeviceOrigin() const
- { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
-
- virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
-
- virtual void ComputeScaleAndOrigin();
-
- // this needs to overidden if the axis is inverted (such
- // as when using Postscript, where 0,0 is the lower left
- // corner, not the upper left).
- virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
-
- // logical functions
- // ---------------------------
-
- virtual int GetLogicalFunction() const { return m_logicalFunction; }
- virtual void SetLogicalFunction(int function) = 0;
-
- // bounding box
- // ------------
-
- virtual void CalcBoundingBox(wxCoord x, wxCoord y)
- {
- if ( m_isBBoxValid )
- {
- if ( x < m_minX ) m_minX = x;
- if ( y < m_minY ) m_minY = y;
- if ( x > m_maxX ) m_maxX = x;
- if ( y > m_maxY ) m_maxY = y;
- }
- else
- {
- m_isBBoxValid = true;
-
- m_minX = x;
- m_minY = y;
- m_maxX = x;
- m_maxY = y;
- }
- }
-
- void ResetBoundingBox()
- {
- m_isBBoxValid = false;
-
- m_minX = m_maxX = m_minY = m_maxY = 0;
- }
-
- // Get the final bounding box of the PostScript or Metafile picture.
- wxCoord MinX() const { return m_minX; }
- wxCoord MaxX() const { return m_maxX; }
- wxCoord MinY() const { return m_minY; }
- wxCoord MaxY() const { return m_maxY; }
-
- // misc old functions
- // ------------------
-
-#if WXWIN_COMPATIBILITY_2_8
- // for compatibility with the old code when wxCoord was long everywhere
- wxDEPRECATED( void GetTextExtent(const wxString& string,
- long *x, long *y,
- long *descent = NULL,
- long *externalLeading = NULL,
- const wxFont *theFont = NULL) const );
- wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
- wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
- wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
-#endif // WXWIN_COMPATIBILITY_2_8
-
- // RTL related functions
- // ---------------------
-
- // get or change the layout direction (LTR or RTL) for this dc,
- // wxLayout_Default is returned if layout direction is not supported
- virtual wxLayoutDirection GetLayoutDirection() const
- { return wxLayout_Default; }
- virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
- { }
-
-protected:
- // the pure virtual functions which should be implemented by wxDC
- virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE) = 0;
-
- virtual void DoGradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection = wxEAST);
-
- virtual void DoGradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- const wxPoint& circleCenter);
-
- virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
-
- virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
- virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
-
- virtual void DoDrawArc(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc) = 0;
- virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height);
- virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
- double sa, double ea) = 0;
-
- virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
- virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height,
- double radius) = 0;
- virtual void DoDrawEllipse(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height) = 0;
-
- virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
-
- virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
- virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = false) = 0;
-
- virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
- virtual void DoDrawRotatedText(const wxString& text,
- wxCoord x, wxCoord y, double angle) = 0;
-
- virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
- wxCoord width, wxCoord height,
- wxDC *source,
- wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY,
- bool useMask = false,
- wxCoord xsrcMask = wxDefaultCoord,
- wxCoord ysrcMask = wxDefaultCoord) = 0;
-
- virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
- wxCoord dstWidth, wxCoord dstHeight,
- wxDC *source,
- wxCoord xsrc, wxCoord ysrc,
- wxCoord srcWidth, wxCoord srcHeight,
- int rop = wxCOPY,
- bool useMask = false,
- wxCoord xsrcMask = wxDefaultCoord,
- wxCoord ysrcMask = wxDefaultCoord);
-
- virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
- { return wxNullBitmap; }
-
- virtual void DoGetSize(int *width, int *height) const = 0;
- virtual void DoGetSizeMM(int* width, int* height) const = 0;
-
- virtual void DoDrawLines(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset) = 0;
- virtual void DoDrawPolygon(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle = wxODDEVEN_RULE) = 0;
- virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle);
-
- virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
- virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height) = 0;
-
- virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
- wxCoord *w, wxCoord *h) const
- {
- if ( x )
- *x = m_clipX1;
- if ( y )
- *y = m_clipY1;
- if ( w )
- *w = m_clipX2 - m_clipX1;
- if ( h )
- *h = m_clipY2 - m_clipY1;
- }
-
- virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
- {
- if ( x ) *x = m_logicalOriginX;
- if ( y ) *y = m_logicalOriginY;
- }
-
- virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
- {
- if ( x ) *x = m_deviceOriginX;
- if ( y ) *y = m_deviceOriginY;
- }
-
- virtual void DoGetTextExtent(const wxString& string,
- wxCoord *x, wxCoord *y,
- wxCoord *descent = NULL,
- wxCoord *externalLeading = NULL,
- const wxFont *theFont = NULL) const = 0;
-
- virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
-
-#if wxUSE_SPLINES
- virtual void DoDrawSpline(wxList *points);
-#endif
-
-protected:
- // unset clipping variables (after clipping region was destroyed)
- void ResetClipping()
- {
- m_clipping = false;
-
- m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
- }
-
- // flags
- bool m_colour:1;
- bool m_ok:1;
- bool m_clipping:1;
- bool m_isInteractive:1;
- bool m_isBBoxValid:1;
-
- // coordinate system variables
-
- // TODO short descriptions of what exactly they are would be nice...
-
- wxCoord m_logicalOriginX, m_logicalOriginY;
- wxCoord m_deviceOriginX, m_deviceOriginY; // Usually 0,0, can be change by user
-
- wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
- // is not at 0,0. This was the case under
- // Mac's GrafPorts (coordinate system
- // used toplevel window's origin) and
- // e.g. for Postscript, where the native
- // origin in the bottom left corner.
- double m_logicalScaleX, m_logicalScaleY;
- double m_userScaleX, m_userScaleY;
- double m_scaleX, m_scaleY; // calculated from logical scale and user scale
-
- // Used by SetAxisOrientation() to invert the axes
- int m_signX, m_signY;
-
- // 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;
-
- // bounding and clipping boxes
- wxCoord m_minX, m_minY, m_maxX, m_maxY;
- wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
-
- int m_logicalFunction;
- int m_backgroundMode;
- int m_mappingMode;
-
- // GDI objects
- wxPen m_pen;
- wxBrush m_brush;
- wxBrush m_backgroundBrush;
- wxColour m_textForegroundColour;
- wxColour m_textBackgroundColour;
- wxFont m_font;
-
-#if wxUSE_PALETTE
- wxPalette m_palette;
- bool m_hasCustomPalette;
-#endif // wxUSE_PALETTE
-
-private:
- DECLARE_NO_COPY_CLASS(wxDCBase)
- DECLARE_ABSTRACT_CLASS(wxDCBase)
-};
-
-#endif // wxUSE_NEW_DC
-
-// ----------------------------------------------------------------------------
-// now include the declaration of wxDC class
-// ----------------------------------------------------------------------------
-
-#if defined(__WXPALMOS__)
- #include "wx/palmos/dc.h"
-#elif defined(__WXMSW__)
- #include "wx/msw/dc.h"
-#elif defined(__WXMOTIF__)
- #include "wx/motif/dc.h"
-#elif defined(__WXGTK20__)
- #include "wx/gtk/dc.h"
-#elif defined(__WXGTK__)
- #include "wx/gtk1/dc.h"
-#elif defined(__WXX11__)
- #include "wx/x11/dc.h"
-#elif defined(__WXMGL__)
- #include "wx/mgl/dc.h"
-#elif defined(__WXDFB__)
- #include "wx/dfb/dc.h"
-#elif defined(__WXMAC__)
- #include "wx/mac/dc.h"
-#elif defined(__WXCOCOA__)
- #include "wx/cocoa/dc.h"
-#elif defined(__WXPM__)
- #include "wx/os2/dc.h"
-#endif
-
-#if wxUSE_GRAPHICS_CONTEXT
- #include "wx/dcgraph.h"
-#endif
-
-// ----------------------------------------------------------------------------
-// helper class: you can use it to temporarily change the DC text colour and
-// restore it automatically when the object goes out of scope
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDCTextColourChanger
-{
-public:
- wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
projects / wxWidgets.git / blobdiff