synfig-studio/trunk/src/gtkmm/renderer_bbox.cpp

   1 /* === S I N F G =========================================================== */
   2 /*!     \file template.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: renderer_bbox.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "renderer_bbox.h"
  32 #include "workarea.h"
  33 #include "canvasview.h"
  34 #endif
  35
  36 /* === U S I N G =========================================================== */
  37
  38 using namespace std;
  39 using namespace etl;
  40 using namespace sinfg;
  41 using namespace studio;
  42
  43 /* === M A C R O S ========================================================= */
  44
  45 /* === G L O B A L S ======================================================= */
  46
  47 /* === P R O C E D U R E S ================================================= */
  48
  49 /* === M E T H O D S ======================================================= */
  50
  51 Renderer_BBox::Renderer_BBox()
  52 {
  53 }
  54
  55 Renderer_BBox::~Renderer_BBox()
  56 {
  57 }
  58
  59 const sinfg::Rect&
  60 Renderer_BBox::get_bbox()
  61 {
  62         return get_work_area()->get_canvas_view()->get_bbox();
  63 }
  64
  65 void
  66 Renderer_BBox::render_vfunc(
  67         const Glib::RefPtr<Gdk::Drawable>& drawable,
  68         const Gdk::Rectangle& expose_area
  69 )
  70 {
  71         assert(get_work_area());
  72         if(!get_work_area())
  73                 return;
  74
  75 //      const sinfg::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
  76
  77         const sinfg::Vector focus_point(get_work_area()->get_focus_point());
  78
  79 //      std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
  80
  81         int drawable_w,drawable_h;
  82         drawable->get_size(drawable_w,drawable_h);
  83
  84         // Calculate the window coordinates of the top-left
  85         // corner of the canvas.
  86 //      const sinfg::Vector::value_type
  87 //              x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
  88 //              y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
  89
  90         /*const sinfg::Vector::value_type window_startx(window_tl[0]);
  91         const sinfg::Vector::value_type window_endx(window_br[0]);
  92         const sinfg::Vector::value_type window_starty(window_tl[1]);
  93         const sinfg::Vector::value_type window_endy(window_br[1]);
  94         */
  95 //      const int
  96 //              tile_w(get_work_area()->get_tile_w()),
  97 //              tile_h(get_work_area()->get_tile_h());
  98
  99 //      const int
 100 //              w(get_w()),
 101 //              h(get_h());
 102
 103         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 104
 105         //const sinfg::Vector grid_size(get_grid_size());
 106
 107         const sinfg::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 108 //      const sinfg::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
 109         const sinfg::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 110 //      const sinfg::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
 111         const float pw(get_pw()),ph(get_ph());
 112
 113         const sinfg::Point curr_point(get_bbox().get_min());
 114         const sinfg::Point drag_point(get_bbox().get_max());
 115         if(get_bbox().area()<10000000000000000.0)
 116         {
 117                 gc->set_function(Gdk::INVERT);
 118                 gc->set_rgb_fg_color(Gdk::Color("#FFFFFF"));
 119                 //gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 120                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 121
 122                 Point tl(std::min(drag_point[0],curr_point[0]),std::min(drag_point[1],curr_point[1]));
 123                 Point br(std::max(drag_point[0],curr_point[0]),std::max(drag_point[1],curr_point[1]));
 124
 125                 tl[0]=(tl[0]-window_startx)/pw;
 126                 tl[1]=(tl[1]-window_starty)/ph;
 127                 br[0]=(br[0]-window_startx)/pw;
 128                 br[1]=(br[1]-window_starty)/ph;
 129                 if(tl[0]>br[0])
 130                         swap(tl[0],br[0]);
 131                 if(tl[1]>br[1])
 132                         swap(tl[1],br[1]);
 133
 134                 drawable->draw_rectangle(gc,false,
 135                         round_to_int(tl[0]),
 136                         round_to_int(tl[1]),
 137                         round_to_int(br[0]-tl[0]),
 138                         round_to_int(br[1]-tl[1])
 139                 );
 140         }
 141 }