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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file template.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: renderer_dragbox.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_dragbox.h"
  32 #include "workarea.h"
  33 #include <ETL/misc>
  34
  35 #endif
  36
  37 /* === U S I N G =========================================================== */
  38
  39 using namespace std;
  40 using namespace etl;
  41 using namespace synfig;
  42 using namespace studio;
  43
  44 /* === M A C R O S ========================================================= */
  45
  46 /* === G L O B A L S ======================================================= */
  47
  48 /* === P R O C E D U R E S ================================================= */
  49
  50 /* === M E T H O D S ======================================================= */
  51
  52 Renderer_Dragbox::~Renderer_Dragbox()
  53 {
  54 }
  55
  56 const synfig::Point&
  57 Renderer_Dragbox::get_drag_point()const
  58 {
  59         return get_work_area()->get_drag_point();
  60 }
  61
  62 const synfig::Point&
  63 Renderer_Dragbox::get_curr_point()const
  64 {
  65         return get_work_area()->get_cursor_pos();
  66 }
  67
  68 bool
  69 Renderer_Dragbox::get_enabled_vfunc()const
  70 {
  71         return get_work_area()->get_dragging_mode()==WorkArea::DRAG_BOX;
  72 }
  73
  74
  75 void
  76 Renderer_Dragbox::render_vfunc(
  77         const Glib::RefPtr<Gdk::Drawable>& drawable,
  78         const Gdk::Rectangle& expose_area
  79 )
  80 {
  81         assert(get_work_area());
  82         if(!get_work_area())
  83                 return;
  84
  85         const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
  86
  87         const synfig::Vector focus_point(get_work_area()->get_focus_point());
  88
  89 //      std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
  90
  91         int drawable_w,drawable_h;
  92         drawable->get_size(drawable_w,drawable_h);
  93
  94         // Calculate the window coordinates of the top-left
  95         // corner of the canvas.
  96         const synfig::Vector::value_type
  97                 x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
  98                 y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
  99
 100         /*const synfig::Vector::value_type window_startx(window_tl[0]);
 101         const synfig::Vector::value_type window_endx(window_br[0]);
 102         const synfig::Vector::value_type window_starty(window_tl[1]);
 103         const synfig::Vector::value_type window_endy(window_br[1]);
 104         */
 105         const int
 106                 tile_w(get_work_area()->get_tile_w()),
 107                 tile_h(get_work_area()->get_tile_h());
 108
 109         const int
 110                 w(get_w()),
 111                 h(get_h());
 112
 113         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 114
 115         //const synfig::Vector grid_size(get_grid_size());
 116
 117         const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 118         const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
 119         const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 120         const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
 121         const float pw(get_pw()),ph(get_ph());
 122
 123         const synfig::Point& curr_point(get_curr_point());
 124         const synfig::Point& drag_point(get_drag_point());
 125
 126         {
 127                 gc->set_function(Gdk::COPY);
 128                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 129                 gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 130                 //gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 131
 132                 Point tl(std::min(drag_point[0],curr_point[0]),std::min(drag_point[1],curr_point[1]));
 133                 Point br(std::max(drag_point[0],curr_point[0]),std::max(drag_point[1],curr_point[1]));
 134
 135                 tl[0]=(tl[0]-window_startx)/pw;
 136                 tl[1]=(tl[1]-window_starty)/ph;
 137                 br[0]=(br[0]-window_startx)/pw;
 138                 br[1]=(br[1]-window_starty)/ph;
 139                 if(tl[0]>br[0])
 140                         swap(tl[0],br[0]);
 141                 if(tl[1]>br[1])
 142                         swap(tl[1],br[1]);
 143
 144                 drawable->draw_rectangle(gc,false,
 145                         round_to_int(tl[0]),
 146                         round_to_int(tl[1]),
 147                         round_to_int(br[0]-tl[0]),
 148                         round_to_int(br[1]-tl[1])
 149                 );
 150         }
 151 }