Fix bugs in previous commit that caused FTBFS in synfig and ETL FTBFS with older...
[synfig.git] / synfig-studio / tags / 0.61.08 / src / gtkmm / renderer_bbox.cpp
1 /* === S Y N F I G ========================================================= */
2 /*!     \file renderer_bbox.cpp
3 **      \brief Template File
4 **
5 **      $Id$
6 **
7 **      \legal
8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **
10 **      This package is free software; you can redistribute it and/or
11 **      modify it under the terms of the GNU General Public License as
12 **      published by the Free Software Foundation; either version 2 of
13 **      the License, or (at your option) any later version.
14 **
15 **      This package is distributed in the hope that it will be useful,
16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 **      General Public License for more details.
19 **      \endlegal
20 */
21 /* ========================================================================= */
22
23 /* === H E A D E R S ======================================================= */
24
25 #ifdef USING_PCH
26 #       include "pch.h"
27 #else
28 #ifdef HAVE_CONFIG_H
29 #       include <config.h>
30 #endif
31
32 #include "renderer_bbox.h"
33 #include "workarea.h"
34 #include "canvasview.h"
35 #include "general.h"
36
37 #endif
38
39 /* === U S I N G =========================================================== */
40
41 using namespace std;
42 using namespace etl;
43 using namespace synfig;
44 using namespace studio;
45
46 /* === M A C R O S ========================================================= */
47
48 /* === G L O B A L S ======================================================= */
49
50 /* === P R O C E D U R E S ================================================= */
51
52 /* === M E T H O D S ======================================================= */
53
54 Renderer_BBox::Renderer_BBox()
55 {
56 }
57
58 Renderer_BBox::~Renderer_BBox()
59 {
60 }
61
62 const synfig::Rect&
63 Renderer_BBox::get_bbox()
64 {
65         return get_work_area()->get_canvas_view()->get_bbox();
66 }
67
68 void
69 Renderer_BBox::render_vfunc(
70         const Glib::RefPtr<Gdk::Drawable>& drawable,
71         const Gdk::Rectangle& /*expose_area*/
72 )
73 {
74         assert(get_work_area());
75         if(!get_work_area())
76                 return;
77
78 //      const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
79
80         const synfig::Vector focus_point(get_work_area()->get_focus_point());
81
82 //      std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
83
84         int drawable_w,drawable_h;
85         drawable->get_size(drawable_w,drawable_h);
86
87         // Calculate the window coordinates of the top-left
88         // corner of the canvas.
89 //      const synfig::Vector::value_type
90 //              x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
91 //              y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
92
93         /*const synfig::Vector::value_type window_startx(window_tl[0]);
94         const synfig::Vector::value_type window_endx(window_br[0]);
95         const synfig::Vector::value_type window_starty(window_tl[1]);
96         const synfig::Vector::value_type window_endy(window_br[1]);
97         */
98 //      const int
99 //              tile_w(get_work_area()->get_tile_w()),
100 //              tile_h(get_work_area()->get_tile_h());
101
102 //      const int
103 //              w(get_w()),
104 //              h(get_h());
105
106         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
107
108         //const synfig::Vector grid_size(get_grid_size());
109
110         const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
111 //      const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
112         const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
113 //      const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
114         const float pw(get_pw()),ph(get_ph());
115
116         const synfig::Point curr_point(get_bbox().get_min());
117         const synfig::Point drag_point(get_bbox().get_max());
118         if(get_bbox().area()<10000000000000000.0)
119         {
120                 gc->set_function(Gdk::INVERT);
121                 gc->set_rgb_fg_color(Gdk::Color("#FFFFFF"));
122                 //gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
123                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
124
125                 Point tl(std::min(drag_point[0],curr_point[0]),std::min(drag_point[1],curr_point[1]));
126                 Point br(std::max(drag_point[0],curr_point[0]),std::max(drag_point[1],curr_point[1]));
127
128                 tl[0]=(tl[0]-window_startx)/pw;
129                 tl[1]=(tl[1]-window_starty)/ph;
130                 br[0]=(br[0]-window_startx)/pw;
131                 br[1]=(br[1]-window_starty)/ph;
132                 if(tl[0]>br[0])
133                         swap(tl[0],br[0]);
134                 if(tl[1]>br[1])
135                         swap(tl[1],br[1]);
136
137                 drawable->draw_rectangle(gc,false,
138                         round_to_int(tl[0]),
139                         round_to_int(tl[1]),
140                         round_to_int(br[0]-tl[0]),
141                         round_to_int(br[1]-tl[1])
142                 );
143         }
144 }