--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file renderer_canvas.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "renderer_canvas.h"
+#include "workarea.h"
+#include <ETL/misc>
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace studio;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Renderer_Canvas::~Renderer_Canvas()
+{
+}
+std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >&
+Renderer_Canvas::get_tile_book()
+{
+ return get_work_area()->get_tile_book();
+}
+
+bool
+Renderer_Canvas::get_full_frame()const
+{
+ return get_work_area()->get_full_frame();
+}
+
+int Renderer_Canvas::get_refreshes()const
+{
+ return get_work_area()->get_refreshes();
+}
+
+bool
+Renderer_Canvas::get_canceled()const
+{
+ return get_work_area()->get_canceled();
+}
+
+bool
+Renderer_Canvas::get_queued()const
+{
+ return get_work_area()->get_queued();
+}
+
+bool
+Renderer_Canvas::get_rendering()const
+{
+ return get_work_area()->get_rendering();
+}
+
+void
+Renderer_Canvas::render_vfunc(
+ const Glib::RefPtr<Gdk::Drawable>& drawable,
+ const Gdk::Rectangle& /*expose_area*/
+)
+{
+ assert(get_work_area());
+ if(!get_work_area())
+ return;
+
+// const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
+
+ const synfig::Vector focus_point(get_work_area()->get_focus_point());
+
+ std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
+
+ int drawable_w,drawable_h;
+ drawable->get_size(drawable_w,drawable_h);
+
+ // Calculate the window coordinates of the top-left
+ // corner of the canvas.
+ const synfig::Vector::value_type
+ x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
+ y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
+
+ /*const synfig::Vector::value_type window_startx(window_tl[0]);
+ const synfig::Vector::value_type window_endx(window_br[0]);
+ const synfig::Vector::value_type window_starty(window_tl[1]);
+ const synfig::Vector::value_type window_endy(window_br[1]);
+ */
+ const int
+ tile_w(get_work_area()->get_tile_w()),
+ tile_h(get_work_area()->get_tile_h());
+
+ const int
+ w(get_w()),
+ h(get_h());
+
+ Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
+
+ if(!tile_book.empty())
+ if(get_full_frame())
+ {
+ if(tile_book[0].first)
+ {
+ drawable->draw_pixbuf(
+ gc, //GC
+ tile_book[0].first, //pixbuf
+ 0, 0, // Source X and Y
+ round_to_int(x),round_to_int(y), // Dest X and Y
+ -1,-1, // Width and Height
+ Gdk::RGB_DITHER_MAX, // RgbDither
+ 2, 2 // Dither offset X and Y
+ );
+ }
+ if(tile_book[0].second!=get_refreshes() && get_canceled()==false && get_rendering()==false && get_queued()==false)
+ get_work_area()->async_update_preview();
+ }
+ else
+ {
+ const int width_in_tiles(w/tile_w+(w%tile_w?1:0));
+ const int height_in_tiles(h/tile_h+(h%tile_h?1:0));
+
+ int u(0),v(0),tx,ty;
+ int u1(0),v1(0),u2(width_in_tiles), v2(height_in_tiles);
+
+ bool needs_refresh(false);
+
+ u1=int(-x/tile_w);
+ v1=int(-y/tile_h);
+ u2=int((-x+drawable_w)/tile_w+1);
+ v2=int((-y+drawable_h)/tile_h+1);
+ if(u2>width_in_tiles)u2=width_in_tiles;
+ if(v2>height_in_tiles)v2=height_in_tiles;
+ if(u1<0)u1=0;
+ if(v1<0)v1=0;
+
+ for(v=v1;v<v2;v++)
+ {
+ for(u=u1;u<u2;u++)
+ {
+ int index=v*width_in_tiles+u;
+ if(int(tile_book.size())>index && tile_book[index].first)
+ {
+ tx=u*tile_w;
+ ty=v*tile_w;
+
+ drawable->draw_pixbuf(
+ gc, //GC
+ tile_book[index].first, //pixbuf
+ 0, 0, // Source X and Y
+ round_to_int(x)+tx,round_to_int(y)+ty, // Dest X and Y
+ -1,-1, // Width and Height
+ Gdk::RGB_DITHER_MAX, // RgbDither
+ 2, 2 // Dither offset X and Y
+ );
+ }
+ if(tile_book[index].second!=get_refreshes())
+ needs_refresh=true;
+ }
+ }
+ if(needs_refresh==true && get_canceled()==false && get_rendering()==false && get_queued()==false)
+ {
+ //queue_render_preview();
+ get_work_area()->async_update_preview();
+ //update_preview();
+ //return true;
+ }
+
+ }
+
+ // Draw the border around the rendered region
+ {
+ gc->set_rgb_fg_color(Gdk::Color("#000000"));
+ gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
+ drawable->draw_rectangle(
+ gc,
+ false, // Fill?
+ round_to_int(x),round_to_int(y), // x,y
+ w,h //w,h
+ );
+ }
+}