/////////////////////////////////////////////////////////////////////////////
-// Name: dc.h
+// Name: wx/dc.h
// Purpose: wxDC class
// Author: Vadim Zeitlin
// Modified by:
#ifndef _WX_DC_H_BASE_
#define _WX_DC_H_BASE_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "dcbase.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers which we must include here
// ----------------------------------------------------------------------------
#include "wx/cursor.h" // we have member variables of these classes
#include "wx/font.h" // so we can't do without them
#include "wx/colour.h"
+#include "wx/bitmap.h" // for wxNullBitmap
#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"
class WXDLLEXPORT wxDC;
class WXDLLEXPORT wxDCBase;
// global variables
// ---------------------------------------------------------------------------
-WXDLLEXPORT_DATA(extern int) wxPageNumber;
-
// ---------------------------------------------------------------------------
// wxDC is the device context - object on which any drawing is done
// ---------------------------------------------------------------------------
~wxDCBase() { }
- virtual void BeginDrawing() { }
- virtual void EndDrawing() { }
+#if WXWIN_COMPATIBILITY_2_6
+ wxDEPRECATED( virtual void BeginDrawing() );
+ wxDEPRECATED( virtual void EndDrawing() );
+#endif // WXWIN_COMPATIBILITY_2_6
// graphic primitives
// ------------------
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);
+
+ // 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
* \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() );
+ 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.
{ wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0;
+ virtual void ComputeScaleAndOrigin() {}
+
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;
int GetLogicalFunction() const { return m_logicalFunction; }
virtual void SetLogicalFunction(int function) = 0;
- // Sometimes we need to override optimization, e.g. if other software is
- // drawing onto our surface and we can't be sure of who's done what.
- //
- // FIXME: is this (still) used?
+#if WXWIN_COMPATIBILITY_2_4
virtual void SetOptimization(bool WXUNUSED(opt)) { }
virtual bool GetOptimization() { return false; }
+#endif
// bounding box
// ------------
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 bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height) = 0;
- // FIXME are these functions really different?
+#if WXWIN_COMPATIBILITY_2_4
+ // this was only for confusing people, use DoGetClippingBox only
virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h)
{ DoGetClippingBox(x, y, w, h); }
+#endif
+
virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h) const
{
// now include the declaration of wxDC class
// ----------------------------------------------------------------------------
-#if defined(__PALMOS__)
+#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(__WXGTK__)
+#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__)
DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
};
+// ----------------------------------------------------------------------------
+// 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)
projects / wxWidgets.git / blobdiff