X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Fsrc%2Fgtkmm%2Frenderer_grid.cpp;fp=synfig-studio%2Fsrc%2Fgtkmm%2Frenderer_grid.cpp;h=b00a593bcb194aa178a1348a78a853b63e82a48d;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-studio/src/gtkmm/renderer_grid.cpp b/synfig-studio/src/gtkmm/renderer_grid.cpp
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+++ b/synfig-studio/src/gtkmm/renderer_grid.cpp
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+/* === 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)
+				);
+			}
+	}
+}