--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file renderer_grid.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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_grid.h"
+#include "workarea.h"
+#include <ETL/misc>
+
+#include "general.h"
+
+#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_Grid::~Renderer_Grid()
+{
+}
+
+bool
+Renderer_Grid::get_enabled_vfunc()const
+{
+ return get_work_area()->grid_status();
+}
+
+synfig::Vector
+Renderer_Grid::get_grid_size()const
+{
+ return get_work_area()->get_grid_size();
+}
+
+void
+Renderer_Grid::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));
+
+ const synfig::Vector grid_size(get_grid_size());
+
+ const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
+ const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
+ const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
+ const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
+ const float pw(get_pw()),ph(get_ph());
+
+ // Draw out the grid
+ if(grid_size[0]>pw*3.5 && grid_size[1]>ph*3.5)
+ {
+ synfig::Vector::value_type x,y;
+
+ x=floor(window_startx/grid_size[0])*grid_size[0];
+ y=floor(window_starty/grid_size[1])*grid_size[1];
+
+ gc->set_function(Gdk::COPY);
+ gc->set_rgb_fg_color(Gdk::Color("#9f9f9f"));
+ gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
+
+ if(x<window_endx)
+ for(;x<window_endx;x+=grid_size[0])
+ {
+ drawable->draw_line(gc,
+ round_to_int((x-window_startx)/pw),
+ 0,
+ round_to_int((x-window_startx)/pw),
+ drawable_h
+ );
+ }
+ else
+ for(;x>window_endx;x-=grid_size[0])
+ {
+ drawable->draw_line(gc,
+ round_to_int((x-window_startx)/pw),
+ 0,
+ round_to_int((x-window_startx)/pw),
+ drawable_h
+ );
+ }
+
+ if(y<window_endy)
+ for(;y<window_endy;y+=grid_size[1])
+ {
+ drawable->draw_line(gc,
+ 0,
+ round_to_int((y-window_starty)/ph),
+ drawable_w,
+ round_to_int((y-window_starty)/ph)
+ );
+ }
+ else
+ for(;y>window_endy;y-=grid_size[1])
+ {
+ drawable->draw_line(gc,
+ 0,
+ round_to_int((y-window_starty)/ph),
+ drawable_w,
+ round_to_int((y-window_starty)/ph)
+ );
+ }
+ }
+}
projects / synfig.git / blobdiff