Release synfigstudio_0_61_07_rc3
[synfig.git] / synfig-studio / tags / synfigstudio_0_61_07_rc3 / src / gtkmm / renderer_canvas.cpp
diff --git a/synfig-studio/tags/synfigstudio_0_61_07_rc3/src/gtkmm/renderer_canvas.cpp b/synfig-studio/tags/synfigstudio_0_61_07_rc3/src/gtkmm/renderer_canvas.cpp
new file mode 100644 (file)
index 0000000..6b9d31d
--- /dev/null
@@ -0,0 +1,214 @@
+/* === 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
+               );
+       }
+}