check the item id validity in SetItem()

[wxWidgets.git] / include / wx / dc.h

diff --git a/include/wx/dc.h b/include/wx/dc.h
index cf1b3fdcbcf7e91bede748601aee9b8729be02e7..af5ebf450131ac6b574dae56652d8d06c00cc7ef 100644 (file)
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -12,10 +12,6 @@
 #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
 // ----------------------------------------------------------------------------
@@ -25,11 +21,13 @@
 #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;
@@ -95,7 +93,7 @@ protected:
 // global variables
 // ---------------------------------------------------------------------------
 
-WXDLLEXPORT_DATA(extern int) wxPageNumber;
+extern WXDLLEXPORT_DATA(int) wxPageNumber;
 
 // ---------------------------------------------------------------------------
 // wxDC is the device context - object on which any drawing is done
@@ -138,8 +136,10 @@ public:
 
     ~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
     // ------------------
@@ -158,6 +158,27 @@ public:
                    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
@@ -346,7 +367,7 @@ public:
      *  \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.
@@ -528,17 +549,17 @@ public:
         { 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
     // ------------
@@ -634,6 +655,11 @@ protected:
     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;
@@ -685,10 +711,13 @@ protected:
     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
     {
@@ -786,12 +815,16 @@ private:
 // now include the declaration of wxDC class
 // ----------------------------------------------------------------------------
 
-#if defined(__WXMSW__)
+#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__)
@@ -843,6 +876,8 @@ private:
 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)