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diff --git a/agg/inc/agg_renderer_primitives.h b/agg/inc/agg_renderer_primitives.h
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+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.3
+// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Permission to copy, use, modify, sell and distribute this software
+// is granted provided this copyright notice appears in all copies.
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: mcseem@antigrain.com
+// mcseemagg@yahoo.com
+// http://www.antigrain.com
+//----------------------------------------------------------------------------
+//
+// class renderer_primitives
+//
+//----------------------------------------------------------------------------
+
+#ifndef AGG_RENDERER_PRIMITIVES_INCLUDED
+#define AGG_RENDERER_PRIMITIVES_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_renderer_base.h"
+#include "agg_dda_line.h"
+#include "agg_ellipse_bresenham.h"
+
+namespace agg
+{
+ //-----------------------------------------------------renderer_primitives
+ template<class BaseRenderer> class renderer_primitives
+ {
+ public:
+ typedef BaseRenderer base_ren_type;
+ typedef typename base_ren_type::color_type color_type;
+
+ //--------------------------------------------------------------------
+ renderer_primitives(base_ren_type& ren) :
+ m_ren(&ren),
+ m_fill_color(),
+ m_line_color(),
+ m_curr_x(0),
+ m_curr_y(0)
+ {
+ }
+
+ //--------------------------------------------------------------------
+ static int coord(double c)
+ {
+ return int(c * line_bresenham_interpolator::subpixel_size);
+ }
+
+ //--------------------------------------------------------------------
+ void fill_color(const color_type& c) { m_fill_color = c; }
+ void line_color(const color_type& c) { m_line_color = c; }
+ const color_type& fill_color() const { return m_fill_color; }
+ const color_type& line_color() const { return m_line_color; }
+
+ //--------------------------------------------------------------------
+ void rectangle(int x1, int y1, int x2, int y2)
+ {
+ m_ren->blend_hline(x1, y1, x2-1, m_line_color, cover_full);
+ m_ren->blend_vline(x2, y1, y2-1, m_line_color, cover_full);
+ m_ren->blend_hline(x1+1, y2, x2, m_line_color, cover_full);
+ m_ren->blend_vline(x1, y1+1, y2, m_line_color, cover_full);
+ }
+
+ //--------------------------------------------------------------------
+ void solid_rectangle(int x1, int y1, int x2, int y2)
+ {
+ m_ren->blend_bar(x1, y1, x2, y2, m_fill_color, cover_full);
+ }
+
+ //--------------------------------------------------------------------
+ void outlined_rectangle(int x1, int y1, int x2, int y2)
+ {
+ rectangle(x1, y1, x2, y2);
+ m_ren->blend_bar(x1+1, y1+1, x2-1, y2-1, m_fill_color, cover_full);
+ }
+
+ //--------------------------------------------------------------------
+ void ellipse(int x, int y, int rx, int ry)
+ {
+ ellipse_bresenham_interpolator ei(rx, ry);
+ int dx = 0;
+ int dy = -ry;
+ do
+ {
+ dx += ei.dx();
+ dy += ei.dy();
+ m_ren->blend_pixel(x + dx, y + dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x + dx, y - dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x - dx, y - dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x - dx, y + dy, m_line_color, cover_full);
+ ++ei;
+ }
+ while(dy < 0);
+ }
+
+ //--------------------------------------------------------------------
+ void solid_ellipse(int x, int y, int rx, int ry)
+ {
+ ellipse_bresenham_interpolator ei(rx, ry);
+ int dx = 0;
+ int dy = -ry;
+ int dy0 = dy;
+ int dx0 = dx;
+
+ do
+ {
+ dx += ei.dx();
+ dy += ei.dy();
+
+ if(dy != dy0)
+ {
+ m_ren->blend_hline(x-dx0, y+dy0, x+dx0, m_fill_color, cover_full);
+ m_ren->blend_hline(x-dx0, y-dy0, x+dx0, m_fill_color, cover_full);
+ }
+ dx0 = dx;
+ dy0 = dy;
+ ++ei;
+ }
+ while(dy < 0);
+ m_ren->blend_hline(x-dx0, y+dy0, x+dx0, m_fill_color, cover_full);
+ }
+
+ //--------------------------------------------------------------------
+ void outlined_ellipse(int x, int y, int rx, int ry)
+ {
+ ellipse_bresenham_interpolator ei(rx, ry);
+ int dx = 0;
+ int dy = -ry;
+
+ do
+ {
+ dx += ei.dx();
+ dy += ei.dy();
+
+ m_ren->blend_pixel(x + dx, y + dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x + dx, y - dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x - dx, y - dy, m_line_color, cover_full);
+ m_ren->blend_pixel(x - dx, y + dy, m_line_color, cover_full);
+
+ if(ei.dy() && dx)
+ {
+ m_ren->blend_hline(x-dx+1, y+dy, x+dx-1, m_fill_color, cover_full);
+ m_ren->blend_hline(x-dx+1, y-dy, x+dx-1, m_fill_color, cover_full);
+ }
+ ++ei;
+ }
+ while(dy < 0);
+ }
+
+ //--------------------------------------------------------------------
+ void line(int x1, int y1, int x2, int y2, bool last=false)
+ {
+ line_bresenham_interpolator li(x1, y1, x2, y2);
+
+ unsigned len = li.len();
+ if(len == 0)
+ {
+ if(last)
+ {
+ m_ren->blend_pixel(li.line_lr(x1), li.line_lr(y1), m_line_color, cover_full);
+ }
+ return;
+ }
+
+ if(last) ++len;
+
+ if(li.is_ver())
+ {
+ do
+ {
+ m_ren->blend_pixel(li.x2(), li.y1(), m_line_color, cover_full);
+ li.vstep();
+ }
+ while(--len);
+ }
+ else
+ {
+ do
+ {
+ m_ren->blend_pixel(li.x1(), li.y2(), m_line_color, cover_full);
+ li.hstep();
+ }
+ while(--len);
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void move_to(int x, int y)
+ {
+ m_curr_x = x;
+ m_curr_y = y;
+ }
+
+ //--------------------------------------------------------------------
+ void line_to(int x, int y, bool last=false)
+ {
+ line(m_curr_x, m_curr_y, x, y, last);
+ m_curr_x = x;
+ m_curr_y = y;
+ }
+
+ //--------------------------------------------------------------------
+ const base_ren_type& ren() const { return *m_ren; }
+ base_ren_type& ren() { return *m_ren; }
+
+ //--------------------------------------------------------------------
+ const rendering_buffer& rbuf() const { return m_ren->rbuf(); }
+ rendering_buffer& rbuf() { return m_ren->rbuf(); }
+
+ private:
+ base_ren_type* m_ren;
+ color_type m_fill_color;
+ color_type m_line_color;
+ int m_curr_x;
+ int m_curr_y;
+ };
+
+}
+
+#endif
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