Move some functions from header into here

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2571 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dcbase.cpp

@@ -0,0 +1,108 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        dc.cpp
+// Purpose:     wxDC Class
+// Author:      Brian Macy
+// Modified by:
+// Created:     05/25/99
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart and Markus Holzem
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "dcbase.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/defs.h"
+#endif
+
+#include "wx/dc.h"
+
+void wxDCBase::DrawLines(const wxList *list, long xoffset, long yoffset)
+{
+    int n = list->Number();
+    wxPoint *points = new wxPoint[n];
+
+    int i = 0;
+    for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
+    {
+        wxPoint *point = (wxPoint *)node->Data();
+        points[i].x = point->x;
+        points[i].y = point->y;
+    }
+
+    DoDrawLines(n, points, xoffset, yoffset);
+
+    delete [] points;
+}
+
+
+void wxDCBase::DrawPolygon(const wxList *list,
+                           long xoffset, long yoffset,
+                           int fillStyle)
+{
+    int n = list->Number();
+    wxPoint *points = new wxPoint[n];
+
+    int i = 0;
+    for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
+    {
+        wxPoint *point = (wxPoint *)node->Data();
+        points[i].x = point->x;
+        points[i].y = point->y;
+    }
+
+    DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
+
+    delete [] points;
+}
+
+
+#ifdef wxUSE_SPLINES
+
+// TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
+void wxDCBase::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3)
+{
+    wxList point_list;
+
+    wxPoint *point1 = new wxPoint;
+    point1->x = x1; point1->y = y1;
+    point_list.Append((wxObject*)point1);
+
+    wxPoint *point2 = new wxPoint;
+    point2->x = x2; point2->y = y2;
+    point_list.Append((wxObject*)point2);
+
+    wxPoint *point3 = new wxPoint;
+    point3->x = x3; point3->y = y3;
+    point_list.Append((wxObject*)point3);
+
+    DrawSpline(&point_list);
+
+    for( wxNode *node = point_list.First(); node; node = node->Next() )
+    {
+        wxPoint *p = (wxPoint *)node->Data();
+        delete p;
+    }
+}
+
+void wxDCBase::DrawSpline(int n, wxPoint points[])
+{
+    wxList list;
+    for (int i =0; i < n; i++)
+    {
+        list.Append((wxObject*)&points[i]);
+    }
+
+    DrawSpline(&list);
+}
+
+#endif // wxUSE_SPLINES