#include "wx/brush.h"
#include "wx/pen.h"
#include "wx/palette.h"
-#include "wx/list.h" // we use wxList in inline functions
#include "wx/dynarray.h"
#include "wx/math.h"
+#include "wx/image.h"
+#include "wx/region.h"
+#include "wx/affinematrix2d.h"
- // 1 if using the reorganized DC code
-#define wxUSE_NEW_DC 0
+#define wxUSE_NEW_DC 1
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxClientDC;
+class WXDLLIMPEXP_FWD_CORE wxPaintDC;
+class WXDLLIMPEXP_FWD_CORE wxWindowDC;
+class WXDLLIMPEXP_FWD_CORE wxScreenDC;
+class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
+class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
+class WXDLLIMPEXP_FWD_CORE wxPrintData;
-#if wxUSE_NEW_DC
-
-//-----------------------------------------------------------------------------
-// wxDCFactory
-//-----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_CORE wxImplDC;
+#if wxUSE_GRAPHICS_CONTEXT
+class WXDLLIMPEXP_FWD_CORE wxGraphicsContext;
+#endif
-class WXDLLIMPEXP_CORE wxDCFactory
+// Logical ops
+enum wxRasterOperationMode
{
-public:
- wxDCFactory() {}
- virtual ~wxDCFactory() {}
-
- virtual wxImplDC* CreateWindowDC() = 0;
- virtual wxImplDC* CreateWindowDC( wxWindow *window ) = 0;
- virtual wxImplDC* CreateClientDC() = 0;
- virtual wxImplDC* CreateClientDC( wxWindow *window ) = 0;
- virtual wxImplDC* CreatePaintDC() = 0;
- virtual wxImplDC* CreatePaintDC( wxWindow *window ) = 0;
- virtual wxImplDC* CreateMemoryDC() = 0;
- virtual wxImplDC* CreateMemoryDC( wxBitmap &bitmap ) = 0;
- virtual wxImplDC* CreateMemoryDC( wxDC *dc ) = 0;
-
- static void SetDCFactory( wxDCFactory *factory );
- static wxDCFactory *GetFactory();
-private:
- static wxDCFactory *m_factory;
+ wxCLEAR, // 0
+ wxXOR, // src XOR dst
+ wxINVERT, // NOT dst
+ wxOR_REVERSE, // src OR (NOT dst)
+ wxAND_REVERSE, // src AND (NOT dst)
+ wxCOPY, // src
+ wxAND, // src AND dst
+ wxAND_INVERT, // (NOT src) AND dst
+ wxNO_OP, // dst
+ wxNOR, // (NOT src) AND (NOT dst)
+ wxEQUIV, // (NOT src) XOR dst
+ wxSRC_INVERT, // (NOT src)
+ wxOR_INVERT, // (NOT src) OR dst
+ wxNAND, // (NOT src) OR (NOT dst)
+ wxOR, // src OR dst
+ wxSET // 1
+#if WXWIN_COMPATIBILITY_2_8
+ ,wxROP_BLACK = wxCLEAR,
+ wxBLIT_BLACKNESS = wxCLEAR,
+ wxROP_XORPEN = wxXOR,
+ wxBLIT_SRCINVERT = wxXOR,
+ wxROP_NOT = wxINVERT,
+ wxBLIT_DSTINVERT = wxINVERT,
+ wxROP_MERGEPENNOT = wxOR_REVERSE,
+ wxBLIT_00DD0228 = wxOR_REVERSE,
+ wxROP_MASKPENNOT = wxAND_REVERSE,
+ wxBLIT_SRCERASE = wxAND_REVERSE,
+ wxROP_COPYPEN = wxCOPY,
+ wxBLIT_SRCCOPY = wxCOPY,
+ wxROP_MASKPEN = wxAND,
+ wxBLIT_SRCAND = wxAND,
+ wxROP_MASKNOTPEN = wxAND_INVERT,
+ wxBLIT_00220326 = wxAND_INVERT,
+ wxROP_NOP = wxNO_OP,
+ wxBLIT_00AA0029 = wxNO_OP,
+ wxROP_NOTMERGEPEN = wxNOR,
+ wxBLIT_NOTSRCERASE = wxNOR,
+ wxROP_NOTXORPEN = wxEQUIV,
+ wxBLIT_00990066 = wxEQUIV,
+ wxROP_NOTCOPYPEN = wxSRC_INVERT,
+ wxBLIT_NOTSCRCOPY = wxSRC_INVERT,
+ wxROP_MERGENOTPEN = wxOR_INVERT,
+ wxBLIT_MERGEPAINT = wxOR_INVERT,
+ wxROP_NOTMASKPEN = wxNAND,
+ wxBLIT_007700E6 = wxNAND,
+ wxROP_MERGEPEN = wxOR,
+ wxBLIT_SRCPAINT = wxOR,
+ wxROP_WHITE = wxSET,
+ wxBLIT_WHITENESS = wxSET
+#endif //WXWIN_COMPATIBILITY_2_8
};
-//-----------------------------------------------------------------------------
-// wxNativeDCFactory
-//-----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_CORE wxDCFactory
+// Flood styles
+enum wxFloodFillStyle
{
-public:
- wxNativeDCFactory() {}
-
- virtual wxImplDC* CreateWindowDC();
- virtual wxImplDC* CreateWindowDC( wxWindow *window );
- virtual wxImplDC* CreateClientDC();
- virtual wxImplDC* CreateClientDC( wxWindow *window );
- virtual wxImplDC* CreatePaintDC();
- virtual wxImplDC* CreatePaintDC( wxWindow *window );
- virtual wxImplDC* CreateMemoryDC();
- virtual wxImplDC* CreateMemoryDC( wxBitmap &bitmap );
- virtual wxImplDC* CreateMemoryDC( wxDC *dc );
+ wxFLOOD_SURFACE = 1,
+ wxFLOOD_BORDER
};
-//-----------------------------------------------------------------------------
-// wxWindowDC
-//-----------------------------------------------------------------------------
+// Mapping modes
+enum wxMappingMode
+{
+ wxMM_TEXT = 1,
+ wxMM_METRIC,
+ wxMM_LOMETRIC,
+ wxMM_TWIPS,
+ wxMM_POINTS
+};
-class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
+// Description of text characteristics.
+struct wxFontMetrics
{
-public:
- wxWindowDC();
- wxWindowDC( wxWindow *win );
+ wxFontMetrics()
+ {
+ height =
+ ascent =
+ descent =
+ internalLeading =
+ externalLeading =
+ averageWidth = 0;
+ }
-private:
- DECLARE_DYNAMIC_CLASS(wxWindowDC)
+ int height, // Total character height.
+ ascent, // Part of the height above the baseline.
+ descent, // Part of the height below the baseline.
+ internalLeading, // Intra-line spacing.
+ externalLeading, // Inter-line spacing.
+ averageWidth; // Average font width, a.k.a. "x-width".
};
+#if WXWIN_COMPATIBILITY_2_8
+
//-----------------------------------------------------------------------------
-// wxClientDC
+// wxDrawObject helper class
//-----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxClientDC : public wxDC
+class WXDLLIMPEXP_CORE wxDrawObject
{
public:
- wxClientDC();
- wxClientDC( wxWindow *win );
+ wxDEPRECATED_CONSTRUCTOR(wxDrawObject)()
+ : m_isBBoxValid(false)
+ , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
+ { }
-private:
- DECLARE_DYNAMIC_CLASS(wxClientDC)
+ virtual ~wxDrawObject() { }
+
+ virtual void Draw(wxDC&) 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;
};
+#endif // WXWIN_COMPATIBILITY_2_8
+
+
//-----------------------------------------------------------------------------
-// wxMemoryDC
+// wxDCFactory
//-----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxMemoryDC: public wxDC
+class WXDLLIMPEXP_FWD_CORE wxDCImpl;
+
+class WXDLLIMPEXP_CORE wxDCFactory
{
public:
- wxMemoryDC();
- wxMemoryDC( wxBitmap& bitmap );
- wxMemoryDC( wxDC *dc );
-
+ wxDCFactory() {}
+ virtual ~wxDCFactory() {}
+
+ virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window ) = 0;
+ virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window ) = 0;
+ virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window ) = 0;
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner ) = 0;
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap ) = 0;
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc ) = 0;
+ virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner ) = 0;
+#if wxUSE_PRINTING_ARCHITECTURE
+ virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data ) = 0;
+#endif
+
+ static void Set(wxDCFactory *factory);
+ static wxDCFactory *Get();
+
private:
- DECLARE_DYNAMIC_CLASS(wxMemoryDC)
+ static wxDCFactory *m_factory;
};
-
+
//-----------------------------------------------------------------------------
-// wxPaintDC
+// wxNativeDCFactory
//-----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxPaintDC : public wxDC
+class WXDLLIMPEXP_CORE wxNativeDCFactory: public wxDCFactory
{
public:
- wxPaintDC();
- wxPaintDC( wxWindow *win );
+ wxNativeDCFactory() {}
-private:
- DECLARE_DYNAMIC_CLASS(wxPaintDC)
+ virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window );
+ virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window );
+ virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window );
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner );
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap );
+ virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc );
+ virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner );
+#if wxUSE_PRINTING_ARCHITECTURE
+ virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data );
+#endif
};
//-----------------------------------------------------------------------------
-// wxImplDC
+// wxDCImpl
//-----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxImplDC: public wxObject
+class WXDLLIMPEXP_CORE wxDCImpl: public wxObject
{
public:
- wxImplDC( wxDC *owner );
- ~wxImplDC();
-
- wxDC *GetOwner() { return m_owner; }
-
+ wxDCImpl( wxDC *owner );
+ virtual ~wxDCImpl();
+
+ wxDC *GetOwner() const { return m_owner; }
+
+ wxWindow* GetWindow() const { return m_window; }
+
virtual bool IsOk() const { return m_ok; }
// query capabilities
virtual bool CanDrawBitmap() const = 0;
virtual bool CanGetTextExtent() const = 0;
+ // get Cairo context
+ virtual void* GetCairoContext() const
+ {
+ return NULL;
+ }
+
// query dimension, colour deps, resolution
virtual void DoGetSize(int *width, int *height) const = 0;
+ void GetSize(int *width, int *height) const
+ {
+ DoGetSize(width, height);
+ return ;
+ }
+
+ wxSize GetSize() const
+ {
+ int w, h;
+ DoGetSize(&w, &h);
+ return wxSize(w, h);
+ }
+
virtual void DoGetSizeMM(int* width, int* height) const = 0;
-
+
virtual int GetDepth() const = 0;
virtual wxSize GetPPI() const = 0;
-
+
// Right-To-Left (RTL) modes
-
+
virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir)) { }
virtual wxLayoutDirection GetLayoutDirection() const { return wxLayout_Default; }
-
- // page and document
-
+
+ // page and document
+
virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
virtual void EndDoc() { }
virtual void StartPage() { }
virtual void EndPage() { }
+ // flushing the content of this dc immediately eg onto screen
+ virtual void Flush() { }
+
// bounding box
- virtual void CalcBoundingBox(wxCoord x, wxCoord y);
+ virtual void CalcBoundingBox(wxCoord x, wxCoord y)
{
if ( m_isBBoxValid )
{
m_maxY = y;
}
}
- void ResetBoundingBox();
+ void ResetBoundingBox()
{
m_isBBoxValid = false;
wxCoord MaxX() const { return m_maxX; }
wxCoord MinY() const { return m_minY; }
wxCoord MaxY() const { return m_maxY; }
-
+
// setters and getters
virtual void SetFont(const wxFont& font) = 0;
- virtual const wxFont& GetFont() const { return m_font; }
-
+ virtual const wxFont& GetFont() const { return m_font; }
+
virtual void SetPen(const wxPen& pen) = 0;
- virtual const wxPen& GetPen() const { return m_pen; }
-
+ virtual const wxPen& GetPen() const { return m_pen; }
+
virtual void SetBrush(const wxBrush& brush) = 0;
- virtual const wxBrush& GetBrush() const { return m_brush; }
-
+ virtual const wxBrush& GetBrush() const { return m_brush; }
+
virtual void SetBackground(const wxBrush& brush) = 0;
- virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
-
+ virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
+
virtual void SetBackgroundMode(int mode) = 0;
virtual int GetBackgroundMode() const { return m_backgroundMode; }
virtual void SetTextForeground(const wxColour& colour)
{ m_textForegroundColour = colour; }
- virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
-
+ virtual const wxColour& GetTextForeground() const
+ { return m_textForegroundColour; }
+
virtual void SetTextBackground(const wxColour& colour)
{ m_textBackgroundColour = colour; }
- virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
+ virtual const wxColour& GetTextBackground() const
+ { return m_textBackgroundColour; }
#if wxUSE_PALETTE
virtual void SetPalette(const wxPalette& palette) = 0;
#endif // wxUSE_PALETTE
+ // inherit the DC attributes (font and colours) from the given window
+ //
+ // this is called automatically when a window, client or paint DC is
+ // created
+ virtual void InheritAttributes(wxWindow *win);
+
+
// logical functions
-
- virtual void SetLogicalFunction(int function) = 0;
- virtual int GetLogicalFunction() const { return m_logicalFunction; }
+
+ virtual void SetLogicalFunction(wxRasterOperationMode function) = 0;
+ virtual wxRasterOperationMode GetLogicalFunction() const
+ { return m_logicalFunction; }
// text measurement
virtual wxCoord GetCharHeight() const = 0;
virtual wxCoord GetCharWidth() const = 0;
+
+ // The derived classes should really override DoGetFontMetrics() to return
+ // the correct values in the future but for now provide a default
+ // implementation in terms of DoGetTextExtent() to avoid breaking the
+ // compilation of all other ports as wxMSW is the only one to implement it.
+ virtual void DoGetFontMetrics(int *height,
+ int *ascent,
+ int *descent,
+ int *internalLeading,
+ int *externalLeading,
+ int *averageWidth) const;
+
virtual void DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *heightLine = NULL,
const wxFont *font = NULL) const;
virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
-
+
// clearing
-
+
virtual void Clear() = 0;
// clipping
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height) = 0;
- virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
+
+ // NB: this function works with device coordinates, not the logical ones!
+ virtual void DoSetDeviceClippingRegion(const wxRegion& region) = 0;
virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h) 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 SetMapMode(wxMappingMode mode);
+ virtual wxMappingMode GetMapMode() const { return m_mappingMode; }
virtual void SetUserScale(double x, double y);
virtual void GetUserScale(double *x, double *y) const
}
virtual void SetLogicalScale(double x, double y);
- virtual void GetLogicalScale(double *x, double *y)
+ virtual void GetLogicalScale(double *x, double *y) const
{
if ( x ) *x = m_logicalScaleX;
if ( y ) *y = m_logicalScaleY;
if ( x ) *x = m_deviceOriginX;
if ( y ) *y = m_deviceOriginY;
}
-
+
+#if wxUSE_DC_TRANSFORM_MATRIX
+ // Transform matrix support is not available in most ports right now
+ // (currently only wxMSW provides it) so do nothing in these methods by
+ // default.
+ virtual bool CanUseTransformMatrix() const
+ { return false; }
+ virtual bool SetTransformMatrix(const wxAffineMatrix2D& WXUNUSED(matrix))
+ { return false; }
+ virtual wxAffineMatrix2D GetTransformMatrix() const
+ { return wxAffineMatrix2D(); }
+ virtual void ResetTransformMatrix()
+ { }
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
virtual void ComputeScaleAndOrigin();
// this needs to overidden if the axis is inverted
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
+#ifdef __WXMSW__
+ // Native Windows functions using the underlying HDC don't honour GDI+
+ // transformations which may be applied to it. Using this function we can
+ // transform the coordinates manually before passing them to such functions
+ // (as in e.g. wxRendererMSW code). It doesn't do anything if this is not a
+ // wxGCDC.
+ virtual wxRect MSWApplyGDIPlusTransform(const wxRect& r) const
+ {
+ return r;
+ }
+#endif // __WXMSW__
+
+
// ---------------------------------------------------------
// the actual drawing API
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE) = 0;
+ wxFloodFillStyle style = wxFLOOD_SURFACE) = 0;
virtual void DoGradientFillLinear(const wxRect& rect,
const wxColour& initialColour,
wxCoord width, wxCoord height,
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY,
+ wxRasterOperationMode rop = wxCOPY,
bool useMask = false,
wxCoord xsrcMask = wxDefaultCoord,
wxCoord ysrcMask = wxDefaultCoord) = 0;
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
wxCoord srcWidth, wxCoord srcHeight,
- int rop = wxCOPY,
+ wxRasterOperationMode rop = wxCOPY,
bool useMask = false,
wxCoord xsrcMask = wxDefaultCoord,
wxCoord ysrcMask = wxDefaultCoord);
virtual void DoDrawLines(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset) = 0;
+ wxCoord xoffset, wxCoord yoffset ) = 0;
+ virtual void DrawLines(const wxPointList *list,
+ wxCoord xoffset, wxCoord yoffset );
+
virtual void DoDrawPolygon(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle = wxODDEVEN_RULE) = 0;
+ wxCoord xoffset, wxCoord yoffset,
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE) = 0;
virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
- int fillStyle);
-
+ wxPolygonFillMode fillStyle);
+ void DrawPolygon(const wxPointList *list,
+ wxCoord xoffset, wxCoord yoffset,
+ wxPolygonFillMode fillStyle );
#if wxUSE_SPLINES
- virtual void DoDrawSpline(wxList *points);
+ void DrawSpline(wxCoord x1, wxCoord y1,
+ wxCoord x2, wxCoord y2,
+ wxCoord x3, wxCoord y3);
+ void DrawSpline(int n, wxPoint points[]);
+ void DrawSpline(const wxPointList *points) { DoDrawSpline(points); }
+
+ virtual void DoDrawSpline(const wxPointList *points);
+#endif
+
+ // ---------------------------------------------------------
+ // wxMemoryDC Impl API
+
+ virtual void DoSelect(const wxBitmap& WXUNUSED(bmp))
+ { }
+
+ virtual const wxBitmap& GetSelectedBitmap() const
+ { return wxNullBitmap; }
+ virtual wxBitmap& GetSelectedBitmap()
+ { return wxNullBitmap; }
+
+ // ---------------------------------------------------------
+ // wxPrinterDC Impl API
+
+ virtual wxRect GetPaperRect() const
+ { int w = 0; int h = 0; DoGetSize( &w, &h ); return wxRect(0,0,w,h); }
+
+ virtual int GetResolution() const
+ { return -1; }
+
+#if wxUSE_GRAPHICS_CONTEXT
+ virtual wxGraphicsContext* GetGraphicsContext() const
+ { return NULL; }
+ virtual void SetGraphicsContext( wxGraphicsContext* WXUNUSED(ctx) )
+ {}
#endif
-
+
private:
- wxDC *m_owner;
+ wxDC *m_owner;
-protected:
+protected:
// unset clipping variables (after clipping region was destroyed)
void ResetClipping()
{
m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
}
+#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( wxPointList* points, double angle, wxPoint center = wxPoint(0,0) );
+
+ // used by DrawEllipticArcRot
+ // Careful: wxList gets filled with points you have to delete later.
+ void CalculateEllipticPoints( wxPointList* points,
+ wxCoord xStart, wxCoord yStart,
+ wxCoord w, wxCoord h,
+ double sa, double ea );
+#endif // __WXWINCE__
+
+ // returns adjustment factor for converting wxFont "point size"; in wx
+ // it is point size on screen and needs to be multiplied by this value
+ // for rendering on higher-resolution DCs such as printer ones
+ static float GetFontPointSizeAdjustment(float dpi);
+
+ // window on which the DC draws or NULL
+ wxWindow *m_window;
+
// flags
bool m_colour:1;
bool m_ok:1;
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
double m_scaleX, m_scaleY; // calculated from logical scale and user scale
int m_signX, m_signY; // Used by SetAxisOrientation() to invert the axes
-
+
// 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;
+ wxRasterOperationMode m_logicalFunction;
int m_backgroundMode;
- int m_mappingMode;
+ wxMappingMode m_mappingMode;
wxPen m_pen;
wxBrush m_brush;
#endif // wxUSE_PALETTE
private:
- DECLARE_ABSTRACT_CLASS(wxImplDC)
-}
+ DECLARE_ABSTRACT_CLASS(wxDCImpl)
+};
-class wxDC: public wxObject
+class WXDLLIMPEXP_CORE wxDC : public wxObject
{
public:
- wxDC() { m_pimpl = NULL; }
+ // copy attributes (font, colours and writing direction) from another DC
+ void CopyAttributes(const wxDC& dc);
+
+ virtual ~wxDC() { delete m_pimpl; }
+
+ wxDCImpl *GetImpl()
+ { return m_pimpl; }
+ const wxDCImpl *GetImpl() const
+ { return m_pimpl; }
- bool IsOk() const
+ wxWindow *GetWindow() const
+ { return m_pimpl->GetWindow(); }
+
+ bool IsOk() const
{ return m_pimpl && m_pimpl->IsOk(); }
// query capabilities
- bool CanDrawBitmap() const
+ bool CanDrawBitmap() const
{ return m_pimpl->CanDrawBitmap(); }
bool CanGetTextExtent() const
{ return m_pimpl->CanGetTextExtent(); }
-
+
// query dimension, colour deps, resolution
void GetSize(int *width, int *height) const
{ m_pimpl->DoGetSize(width, height); }
-
wxSize GetSize() const
- {
- int w, h;
- m_pimpl->DoGetSize(&w, &h);
- return wxSize(w, h);
- }
+ { return m_pimpl->GetSize(); }
void GetSizeMM(int* width, int* height) const
{ m_pimpl->DoGetSizeMM(width, height); }
m_pimpl->DoGetSizeMM(&w, &h);
return wxSize(w, h);
}
-
+
int GetDepth() const
{ return m_pimpl->GetDepth(); }
wxSize GetPPI() const
{ return m_pimpl->GetPPI(); }
+ virtual int GetResolution() const
+ { return m_pimpl->GetResolution(); }
+
// Right-To-Left (RTL) modes
-
+
void SetLayoutDirection(wxLayoutDirection dir)
{ m_pimpl->SetLayoutDirection( dir ); }
wxLayoutDirection GetLayoutDirection() const
{ return m_pimpl->GetLayoutDirection(); }
-
- // page and document
-
+
+ // page and document
+
bool StartDoc(const wxString& message)
{ return m_pimpl->StartDoc(message); }
void EndDoc()
{ m_pimpl->EndPage(); }
// bounding box
-
+
void CalcBoundingBox(wxCoord x, wxCoord y)
{ m_pimpl->CalcBoundingBox(x,y); }
void ResetBoundingBox()
{ m_pimpl->ResetBoundingBox(); }
-
+
wxCoord MinX() const
{ return m_pimpl->MinX(); }
wxCoord MaxX() const
{ return m_pimpl->MinY(); }
wxCoord MaxY() const
{ return m_pimpl->MaxY(); }
-
+
// setters and getters
void SetFont(const wxFont& font)
{ m_pimpl->SetFont( font ); }
- const wxFont& GetFont() const
+ const wxFont& GetFont() const
{ return m_pimpl->GetFont(); }
-
+
void SetPen(const wxPen& pen)
{ m_pimpl->SetPen( pen ); }
- const wxPen& GetPen() const
+ const wxPen& GetPen() const
{ return m_pimpl->GetPen(); }
-
+
void SetBrush(const wxBrush& brush)
{ m_pimpl->SetBrush( brush ); }
const wxBrush& GetBrush() const
{ return m_pimpl->GetBrush(); }
-
+
void SetBackground(const wxBrush& brush)
{ m_pimpl->SetBackground( brush ); }
const wxBrush& GetBackground() const
{ return m_pimpl->GetBackground(); }
-
+
void SetBackgroundMode(int mode)
- { m_pimpl->SetBackground( mode ); }
+ { m_pimpl->SetBackgroundMode( mode ); }
int GetBackgroundMode() const
- { return m_pimpl->GetBackground(); }
+ { return m_pimpl->GetBackgroundMode(); }
void SetTextForeground(const wxColour& colour)
{ m_pimpl->SetTextForeground(colour); }
const wxColour& GetTextForeground() const
{ return m_pimpl->GetTextForeground(); }
-
+
void SetTextBackground(const wxColour& colour)
{ m_pimpl->SetTextBackground(colour); }
- const wxColour& GetTextBackground() const
+ const wxColour& GetTextBackground() const
{ return m_pimpl->GetTextBackground(); }
#if wxUSE_PALETTE
void SetPalette(const wxPalette& palette)
{ m_pimpl->SetPalette(palette); }
#endif // wxUSE_PALETTE
-
+
// logical functions
-
- void SetLogicalFunction(int function)
+
+ void SetLogicalFunction(wxRasterOperationMode function)
{ m_pimpl->SetLogicalFunction(function); }
- int GetLogicalFunction() const
+ wxRasterOperationMode GetLogicalFunction() const
{ return m_pimpl->GetLogicalFunction(); }
-
+
// text measurement
wxCoord GetCharHeight() const
{ return m_pimpl->GetCharHeight(); }
wxCoord GetCharWidth() const
{ return m_pimpl->GetCharWidth(); }
-
+
+ wxFontMetrics GetFontMetrics() const
+ {
+ wxFontMetrics fm;
+ m_pimpl->DoGetFontMetrics(&fm.height, &fm.ascent, &fm.descent,
+ &fm.internalLeading, &fm.externalLeading,
+ &fm.averageWidth);
+ return fm;
+ }
+
void GetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
m_pimpl->DoGetTextExtent(string, &w, &h);
return wxSize(w, h);
}
-
+
void GetMultiLineTextExtent(const wxString& string,
wxCoord *width,
wxCoord *height,
wxCoord *heightLine = NULL,
const wxFont *font = NULL) const
{ m_pimpl->GetMultiLineTextExtent( string, width, height, heightLine, font ); }
-
+
wxSize GetMultiLineTextExtent(const wxString& string) const
{
wxCoord w, h;
m_pimpl->GetMultiLineTextExtent(string, &w, &h);
return wxSize(w, h);
}
-
+
bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
{ return m_pimpl->DoGetPartialTextExtents(text, widths); }
-
+
// clearing
-
+
void Clear()
{ m_pimpl->Clear(); }
{ m_pimpl->DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
void SetClippingRegion(const wxRect& rect)
{ m_pimpl->DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
- void SetClippingRegion(const wxRegion& region)
- { m_pimpl->DoSetClippingRegionAsRegion(region); }
+
+ // unlike the functions above, the coordinates of the region used in this
+ // one are in device coordinates, not the logical ones
+ void SetDeviceClippingRegion(const wxRegion& region)
+ { m_pimpl->DoSetDeviceClippingRegion(region); }
+
+ // this function is deprecated because its name is confusing: you may
+ // expect it to work with logical coordinates but, in fact, it does exactly
+ // the same thing as SetDeviceClippingRegion()
+ //
+ // please review the code using it and either replace it with calls to
+ // SetDeviceClippingRegion() or correct it if it was [wrongly] passing
+ // logical coordinates to this function
+ wxDEPRECATED_INLINE(void SetClippingRegion(const wxRegion& region),
+ SetDeviceClippingRegion(region); )
void DestroyClippingRegion()
{ m_pimpl->DestroyClippingRegion(); }
{ m_pimpl->DoGetClippingBox(x, y, w, h); }
void GetClippingBox(wxRect& rect) const
{ m_pimpl->DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
-
+
// coordinates conversions and transforms
wxCoord DeviceToLogicalX(wxCoord x) const
{ return m_pimpl->DeviceToLogicalX(x); }
- wxCoord DeviceToLogicalY(wxCoord y) const;
+ wxCoord DeviceToLogicalY(wxCoord y) const
{ return m_pimpl->DeviceToLogicalY(y); }
- wxCoord DeviceToLogicalXRel(wxCoord x) const;
+ wxCoord DeviceToLogicalXRel(wxCoord x) const
{ return m_pimpl->DeviceToLogicalXRel(x); }
- wxCoord DeviceToLogicalYRel(wxCoord y) const;
+ wxCoord DeviceToLogicalYRel(wxCoord y) const
{ return m_pimpl->DeviceToLogicalYRel(y); }
- wxCoord LogicalToDeviceX(wxCoord x) const;
+ wxCoord LogicalToDeviceX(wxCoord x) const
{ return m_pimpl->LogicalToDeviceX(x); }
- wxCoord LogicalToDeviceY(wxCoord y) const;
+ wxCoord LogicalToDeviceY(wxCoord y) const
{ return m_pimpl->LogicalToDeviceY(y); }
- wxCoord LogicalToDeviceXRel(wxCoord x) const;
+ wxCoord LogicalToDeviceXRel(wxCoord x) const
{ return m_pimpl->LogicalToDeviceXRel(x); }
- wxCoord LogicalToDeviceYRel(wxCoord y) const;
+ wxCoord LogicalToDeviceYRel(wxCoord y) const
{ return m_pimpl->LogicalToDeviceYRel(y); }
- void SetMapMode(int mode)
+ void SetMapMode(wxMappingMode mode)
{ m_pimpl->SetMapMode(mode); }
- int GetMapMode() const
+ wxMappingMode GetMapMode() const
{ return m_pimpl->GetMapMode(); }
void SetUserScale(double x, double y)
void SetLogicalScale(double x, double y)
{ m_pimpl->SetLogicalScale( x, y ); }
- void GetLogicalScale(double *x, double *y)
+ void GetLogicalScale(double *x, double *y) const
{ m_pimpl->GetLogicalScale( x, y ); }
void SetLogicalOrigin(wxCoord x, wxCoord y)
void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
{ m_pimpl->SetAxisOrientation(xLeftRight, yBottomUp); }
-
- // mostly internal
- void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
- { m_pimpl->SetDeviceLocalOrigin( x, y ); }
+#if wxUSE_DC_TRANSFORM_MATRIX
+ bool CanUseTransformMatrix() const
+ { return m_pimpl->CanUseTransformMatrix(); }
- // draw generic object
+ bool SetTransformMatrix(const wxAffineMatrix2D &matrix)
+ { return m_pimpl->SetTransformMatrix(matrix); }
- void DrawObject(wxDrawObject* drawobject)
- {
- drawobject->Draw(*this);
- CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
- CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
- }
+ wxAffineMatrix2D GetTransformMatrix() const
+ { return m_pimpl->GetTransformMatrix(); }
- // -----------------------------------------------
- // the actual drawing API
+ void ResetTransformMatrix()
+ { m_pimpl->ResetTransformMatrix(); }
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
+ // mostly internal
+ void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
+ { m_pimpl->SetDeviceLocalOrigin( x, y ); }
+
+
+ // -----------------------------------------------
+ // the actual drawing API
bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE)
+ wxFloodFillStyle style = wxFLOOD_SURFACE)
{ return m_pimpl->DoFloodFill(x, y, col, style); }
bool FloodFill(const wxPoint& pt, const wxColour& col,
- int style = wxFLOOD_SURFACE)
+ wxFloodFillStyle style = wxFLOOD_SURFACE)
{ return m_pimpl->DoFloodFill(pt.x, pt.y, col, style); }
// fill the area specified by rect with a radial gradient, starting from
void GradientFillConcentric(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour)
- { m_pimpl->GradientFillConcentric(rect, initialColour, destColour,
- wxPoint(rect.GetWidth() / 2,
- rect.GetHeight() / 2)); }
+ { m_pimpl->DoGradientFillConcentric( rect, initialColour, destColour,
+ wxPoint(rect.GetWidth() / 2,
+ rect.GetHeight() / 2)); }
void GradientFillConcentric(const wxRect& rect,
const wxColour& initialColour,
void DrawLines(int n, wxPoint points[],
wxCoord xoffset = 0, wxCoord yoffset = 0)
{ m_pimpl->DoDrawLines(n, points, xoffset, yoffset); }
- void DrawLines(const wxList *list,
+ void DrawLines(const wxPointList *list,
wxCoord xoffset = 0, wxCoord yoffset = 0)
{ m_pimpl->DrawLines( list, xoffset, yoffset ); }
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( void DrawLines(const wxList *list,
+ wxCoord xoffset = 0, wxCoord yoffset = 0) );
+#endif // WXWIN_COMPATIBILITY_2_8
void DrawPolygon(int n, wxPoint points[],
wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
{ m_pimpl->DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
-
- void DrawPolygon(const wxList *list,
+ void DrawPolygon(const wxPointList *list,
wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
{ m_pimpl->DrawPolygon( list, xoffset, yoffset, fillStyle ); }
-
void DrawPolyPolygon(int n, int count[], wxPoint points[],
wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
{ m_pimpl->DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( void DrawPolygon(const wxList *list,
+ wxCoord xoffset = 0, wxCoord yoffset = 0,
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE) );
+#endif // WXWIN_COMPATIBILITY_2_8
void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{ m_pimpl->DoDrawRectangle(x, y, width, height); }
void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
{ m_pimpl->DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
void DrawCircle(const wxPoint& pt, wxCoord radius)
- { m_pimpl->DrawCircle(pt.x, pt.y, radius); }
+ { m_pimpl->DoDrawEllipse(pt.x - radius, pt.y - radius, 2*radius, 2*radius); }
void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{ m_pimpl->DoDrawEllipse(x, y, width, height); }
const wxRect& rect,
int alignment = wxALIGN_LEFT | wxALIGN_TOP,
int indexAccel = -1,
- wxRect *rectBounding = NULL)
- { m_pimpl->DrawLabel( text, image, rect, alignment, indexAccel, rectBounding ); }
+ wxRect *rectBounding = NULL);
void DrawLabel(const wxString& text, const wxRect& rect,
int alignment = wxALIGN_LEFT | wxALIGN_TOP,
int indexAccel = -1)
- { m_pimpl->DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
+ { 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)
+ wxRasterOperationMode rop = wxCOPY, bool useMask = false,
+ wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
{
return m_pimpl->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)
+ wxRasterOperationMode rop = wxCOPY, bool useMask = false,
+ const wxPoint& srcPtMask = wxDefaultPosition)
{
return m_pimpl->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,
+ bool StretchBlit(wxCoord dstX, wxCoord dstY,
wxCoord dstWidth, wxCoord dstHeight,
- wxDC *source,
+ wxDC *source,
wxCoord srcX, wxCoord srcY,
wxCoord srcWidth, wxCoord srcHeight,
- int rop = wxCOPY, bool useMask = false,
+ wxRasterOperationMode rop = wxCOPY, bool useMask = false,
wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
{
return m_pimpl->DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
}
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)
+ wxRasterOperationMode rop = wxCOPY, bool useMask = false,
+ const wxPoint& srcMaskPt = wxDefaultPosition)
{
return m_pimpl->DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
}
#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)
{ m_pimpl->DrawSpline(x1,y1,x2,y2,x3,y3); }
void DrawSpline(int n, wxPoint points[])
{ m_pimpl->DrawSpline(n,points); }
-
- void DrawSpline(wxList *points)
- { m_pimpl->DoDrawSpline(points); }
+ void DrawSpline(const wxPointList *points)
+ { m_pimpl->DrawSpline(points); }
#endif // wxUSE_SPLINES
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
+ wxDEPRECATED( void DrawObject(wxDrawObject* drawobject) );
+#endif // WXWIN_COMPATIBILITY_2_8
-protected:
- wxImplDC *m_pimpl;
-
-private:
- DECLARE_ABSTRACT_CLASS(wxImplDC)
-}
+#ifdef __WXMSW__
+ // GetHDC() is the simplest way to retrieve an HDC From a wxDC but only
+ // works if this wxDC is GDI-based and fails for GDI+ contexts (and
+ // anything else without HDC, e.g. wxPostScriptDC)
+ WXHDC GetHDC() const;
+ // don't use these methods manually, use GetTempHDC() instead
+ virtual WXHDC AcquireHDC() { return GetHDC(); }
+ virtual void ReleaseHDC(WXHDC WXUNUSED(hdc)) { }
-#else // wxUSE_NEW_DC
+ // helper class holding the result of GetTempHDC() with std::auto_ptr<>-like
+ // semantics, i.e. it is moved when copied
+ class TempHDC
+ {
+ public:
+ TempHDC(wxDC& dc)
+ : m_dc(dc),
+ m_hdc(dc.AcquireHDC())
+ {
+ }
+ TempHDC(const TempHDC& thdc)
+ : m_dc(thdc.m_dc),
+ m_hdc(thdc.m_hdc)
+ {
+ const_cast<TempHDC&>(thdc).m_hdc = 0;
+ }
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxDCBase;
+ ~TempHDC()
+ {
+ if ( m_hdc )
+ m_dc.ReleaseHDC(m_hdc);
+ }
-class WXDLLEXPORT wxDrawObject
-{
-public:
+ WXHDC GetHDC() const { return m_hdc; }
- wxDrawObject()
- : m_isBBoxValid(false)
- , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
- { }
+ private:
+ wxDC& m_dc;
+ WXHDC m_hdc;
- virtual ~wxDrawObject() { }
+ wxDECLARE_NO_ASSIGN_CLASS(TempHDC);
+ };
- virtual void Draw(wxDCBase&) const { }
+ // GetTempHDC() also works for wxGCDC (but still not for wxPostScriptDC &c)
+ TempHDC GetTempHDC() { return TempHDC(*this); }
+#endif // __WXMSW__
- virtual void CalcBoundingBox(wxCoord x, wxCoord y)
+#if wxUSE_GRAPHICS_CONTEXT
+ virtual wxGraphicsContext* GetGraphicsContext() const
{
- 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;
- }
+ return m_pimpl->GetGraphicsContext();
}
-
- void ResetBoundingBox()
+ virtual void SetGraphicsContext( wxGraphicsContext* ctx )
{
- m_isBBoxValid = false;
-
- m_minX = m_maxX = m_minY = m_maxY = 0;
+ m_pimpl->SetGraphicsContext(ctx);
}
+#endif
- // 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; }
+protected:
+ // ctor takes ownership of the pointer
+ wxDC(wxDCImpl *pimpl) : m_pimpl(pimpl) { }
- //to define the type of object for derived objects
- virtual int GetType()=0;
+ wxDCImpl * const m_pimpl;
-protected:
- //for boundingbox calculation
- bool m_isBBoxValid:1;
- //for boundingbox calculation
- wxCoord m_minX, m_minY, m_maxX, m_maxY;
+private:
+ DECLARE_ABSTRACT_CLASS(wxDC)
+ wxDECLARE_NO_COPY_CLASS(wxDC);
};
-// ---------------------------------------------------------------------------
-// global variables
-// ---------------------------------------------------------------------------
-
-// ---------------------------------------------------------------------------
-// wxDC is the device context - object on which any drawing is done
-// ---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// 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 wxDCBase : public wxObject
+class WXDLLIMPEXP_CORE wxDCTextColourChanger
{
public:
- wxDCBase();
- virtual ~wxDCBase();
-
- // graphic primitives
- // ------------------
+ wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
- virtual void DrawObject(wxDrawObject* drawobject)
+ wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
{
- drawobject->Draw(*this);
- CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
- CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
+ Set(col);
}
- 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); }
+ ~wxDCTextColourChanger()
+ {
+ if ( m_colFgOld.IsOk() )
+ m_dc.SetTextForeground(m_colFgOld);
+ }
- // 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); }
+ void Set(const wxColour& col)
+ {
+ if ( !m_colFgOld.IsOk() )
+ m_colFgOld = m_dc.GetTextForeground();
+ m_dc.SetTextForeground(col);
+ }
- 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); }
+private:
+ wxDC& m_dc;
- 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); }
+ wxColour m_colFgOld;
- void CrossHair(wxCoord x, wxCoord y)
- { DoCrossHair(x, y); }
- void CrossHair(const wxPoint& pt)
- { DoCrossHair(pt.x, pt.y); }
+ wxDECLARE_NO_COPY_CLASS(wxDCTextColourChanger);
+};
- 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); }
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC pen and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------
- 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); }
+class WXDLLIMPEXP_CORE wxDCPenChanger
+{
+public:
+ wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
+ {
+ m_dc.SetPen(pen);
+ }
- 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); }
+ ~wxDCPenChanger()
+ {
+ if ( m_penOld.IsOk() )
+ m_dc.SetPen(m_penOld);
+ }
- void DrawPoint(wxCoord x, wxCoord y)
- { DoDrawPoint(x, y); }
- void DrawPoint(const wxPoint& pt)
- { DoDrawPoint(pt.x, pt.y); }
+private:
+ wxDC& m_dc;
- 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);
+ wxPen m_penOld;
- void DrawPolygon(int n, wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
+ wxDECLARE_NO_COPY_CLASS(wxDCPenChanger);
+};
- void DrawPolygon(const wxList *list,
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE);
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC brush and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------
- 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); }
+class WXDLLIMPEXP_CORE wxDCBrushChanger
+{
+public:
+ wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
+ {
+ m_dc.SetBrush(brush);
+ }
- 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); }
+ ~wxDCBrushChanger()
+ {
+ if ( m_brushOld.IsOk() )
+ m_dc.SetBrush(m_brushOld);
+ }
- 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); }
+private:
+ wxDC& m_dc;
- 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); }
+ wxBrush m_brushOld;
- 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); }
+ wxDECLARE_NO_COPY_CLASS(wxDCBrushChanger);
+};
- 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); }
+// ----------------------------------------------------------------------------
+// another small helper class: sets the clipping region in its ctor and
+// destroys it in the dtor
+// ----------------------------------------------------------------------------
- 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); }
+class WXDLLIMPEXP_CORE wxDCClipper
+{
+public:
+ wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
+ { dc.SetClippingRegion(r.GetBox()); }
+ wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
+ { dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
+ wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
+ { dc.SetClippingRegion(x, y, w, h); }
- 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); }
+ ~wxDCClipper() { m_dc.DestroyClippingRegion(); }
- 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); }
+private:
+ wxDC& m_dc;
- // 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);
+ wxDECLARE_NO_COPY_CLASS(wxDCClipper);
+};
- void DrawLabel(const wxString& text, const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1)
- { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC font and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------
- 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)
+class WXDLLIMPEXP_CORE wxDCFontChanger
+{
+public:
+ wxDCFontChanger(wxDC& dc)
+ : m_dc(dc), m_fontOld()
{
- 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)
+ wxDCFontChanger(wxDC& dc, const wxFont& font)
+ : m_dc(dc), m_fontOld(dc.GetFont())
{
- return DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
- source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
+ m_dc.SetFont(font);
}
- 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)
+
+ void Set(const wxFont& font)
{
- 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);
+ if ( !m_fontOld.IsOk() )
+ m_fontOld = m_dc.GetFont();
+ m_dc.SetFont(font);
}
- wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
+ ~wxDCFontChanger()
{
- return DoGetAsBitmap(subrect);
+ if ( m_fontOld.IsOk() )
+ m_dc.SetFont(m_fontOld);
}
-#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[]);
+private:
+ wxDC& m_dc;
- void DrawSpline(wxList *points) { DoDrawSpline(points); }
-#endif // wxUSE_SPLINES
+ wxFont m_fontOld;
- // 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() { }
-
- wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
- {
- Set(col);
- }
-
- ~wxDCTextColourChanger()
- {
- if ( m_colFgOld.Ok() )
- m_dc.SetTextForeground(m_colFgOld);
- }
-
- void Set(const wxColour& col)
- {
- if ( !m_colFgOld.Ok() )
- m_colFgOld = m_dc.GetTextForeground();
- m_dc.SetTextForeground(col);
- }
-
-private:
- wxDC& m_dc;
-
- wxColour m_colFgOld;
-
- DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
+ wxDECLARE_NO_COPY_CLASS(wxDCFontChanger);
};
-// ----------------------------------------------------------------------------
-// helper class: you can use it to temporarily change the DC pen and
-// restore it automatically when the object goes out of scope
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDCPenChanger
-{
-public:
- wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
- {
- m_dc.SetPen(pen);
- }
-
- ~wxDCPenChanger()
- {
- if ( m_penOld.Ok() )
- m_dc.SetPen(m_penOld);
- }
-
-private:
- wxDC& m_dc;
-
- wxPen m_penOld;
-
- DECLARE_NO_COPY_CLASS(wxDCPenChanger)
-};
-
-// ----------------------------------------------------------------------------
-// helper class: you can use it to temporarily change the DC brush and
-// restore it automatically when the object goes out of scope
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDCBrushChanger
-{
-public:
- wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
- {
- m_dc.SetBrush(brush);
- }
-
- ~wxDCBrushChanger()
- {
- if ( m_brushOld.Ok() )
- m_dc.SetBrush(m_brushOld);
- }
-
-private:
- wxDC& m_dc;
-
- wxBrush m_brushOld;
-
- DECLARE_NO_COPY_CLASS(wxDCBrushChanger)
-};
-
-// ----------------------------------------------------------------------------
-// another small helper class: sets the clipping region in its ctor and
-// destroys it in the dtor
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDCClipper
-{
-public:
- wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
- { dc.SetClippingRegion(r); }
- wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
- { dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
- wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
- { dc.SetClippingRegion(x, y, w, h); }
-
- ~wxDCClipper() { m_dc.DestroyClippingRegion(); }
-
-private:
- wxDC& m_dc;
-
- DECLARE_NO_COPY_CLASS(wxDCClipper)
-};
#endif // _WX_DC_H_BASE_
projects / wxWidgets.git / blobdiff