#include "wx/list.h" // we use wxList in inline functions
+class WXDLLEXPORT wxDCBase;
+
+class WXDLLEXPORT wxDrawObject
+{
+public:
+
+ wxDrawObject()
+ {
+ ResetBoundingBox();
+ }
+
+ virtual ~wxDrawObject() { }
+
+ virtual void Draw(wxDCBase& dc) 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
// ---------------------------------------------------------------------------
class WXDLLEXPORT wxDCBase : public wxObject
{
- DECLARE_ABSTRACT_CLASS(wxDCBase)
-
public:
wxDCBase()
{
m_clipping = FALSE;
m_ok = TRUE;
- m_minX = m_minY = m_maxX = m_maxY = 0;
+ ResetBoundingBox();
m_signX = m_signY = 1;
m_userScaleX = m_userScaleY =
m_scaleX = m_scaleY = 1.0;
- m_logicalFunction = -1;
+ m_logicalFunction = wxCOPY;
m_backgroundMode = wxTRANSPARENT;
// graphic primitives
// ------------------
+ virtual void DrawObject(wxDrawObject* drawobject)
+ {
+ drawobject->Draw(*this);
+ CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
+ CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
+ }
+
void FloodFill(wxCoord x, wxCoord y, const wxColour& col,
int style = wxFLOOD_SURFACE)
{ DoFloodFill(x, y, col, style); }
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 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); }
+
bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
int rop = wxCOPY, bool useMask = FALSE)
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); }
+ {
+ // Necessary to use intermediate variables for 16-bit compilation
+ wxCoord x, y, w, h;
+ DoGetClippingBox(&x, &y, &w, &h);
+ rect.x = x; rect.y = y; rect.width = w; rect.height = h;
+ }
// text extent
// -----------
virtual wxCoord GetCharHeight() const = 0;
virtual wxCoord GetCharWidth() const = 0;
+
void GetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
// ---------
// const...
+ int GetBackgroundMode() const { return m_backgroundMode; }
const wxBrush& GetBackground() const { return m_backgroundBrush; }
const wxBrush& GetBrush() const { return m_brush; }
const wxFont& GetFont() const { return m_font; }
virtual void CalcBoundingBox(wxCoord x, wxCoord y)
{
- 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;
+ 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.
if ( y )
*y = y2;
}
+ void GetClippingBox(long *x, long *y, long *w, long *h) const
+ {
+ wxCoord xx,yy,ww,hh;
+ DoGetClippingBox(&xx, &yy, &ww, &hh);
+ if (x) *x = xx;
+ if (y) *y = yy;
+ if (w) *w = ww;
+ if (h) *h = hh;
+ }
#endif // !Win16
#if WXWIN_COMPATIBILITY
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;
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,
wxFont *theFont = NULL) const = 0;
#if wxUSE_SPLINES
- virtual void DoDrawSpline(wxList *points) = 0;
+ virtual void DoDrawSpline(wxList *points);
#endif
protected:
bool m_ok:1;
bool m_clipping:1;
bool m_isInteractive:1;
+ bool m_isBBoxValid:1;
// coordinate system variables
private:
DECLARE_NO_COPY_CLASS(wxDCBase);
+ DECLARE_ABSTRACT_CLASS(wxDCBase)
};
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff