1 /* === S I N F G =========================================================== */
3 ** \brief Template File
5 ** $Id: renderer_canvas.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
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.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
31 #include "renderer_canvas.h"
37 /* === U S I N G =========================================================== */
41 using namespace sinfg;
42 using namespace studio;
44 /* === M A C R O S ========================================================= */
46 /* === G L O B A L S ======================================================= */
48 /* === P R O C E D U R E S ================================================= */
50 /* === M E T H O D S ======================================================= */
52 Renderer_Canvas::~Renderer_Canvas()
55 std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >&
56 Renderer_Canvas::get_tile_book()
58 return get_work_area()->get_tile_book();
62 Renderer_Canvas::get_full_frame()const
64 return get_work_area()->get_full_frame();
67 int Renderer_Canvas::get_refreshes()const
69 return get_work_area()->get_refreshes();
73 Renderer_Canvas::get_canceled()const
75 return get_work_area()->get_canceled();
79 Renderer_Canvas::get_queued()const
81 return get_work_area()->get_queued();
85 Renderer_Canvas::get_rendering()const
87 return get_work_area()->get_rendering();
91 Renderer_Canvas::render_vfunc(
92 const Glib::RefPtr<Gdk::Drawable>& drawable,
93 const Gdk::Rectangle& expose_area
96 assert(get_work_area());
100 // const sinfg::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
102 const sinfg::Vector focus_point(get_work_area()->get_focus_point());
104 std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
106 int drawable_w,drawable_h;
107 drawable->get_size(drawable_w,drawable_h);
109 // Calculate the window coordinates of the top-left
110 // corner of the canvas.
111 const sinfg::Vector::value_type
112 x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
113 y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
115 /*const sinfg::Vector::value_type window_startx(window_tl[0]);
116 const sinfg::Vector::value_type window_endx(window_br[0]);
117 const sinfg::Vector::value_type window_starty(window_tl[1]);
118 const sinfg::Vector::value_type window_endy(window_br[1]);
121 tile_w(get_work_area()->get_tile_w()),
122 tile_h(get_work_area()->get_tile_h());
128 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
130 if(!tile_book.empty())
133 if(tile_book[0].first)
135 drawable->draw_pixbuf(
137 tile_book[0].first, //pixbuf
138 0, 0, // Source X and Y
139 round_to_int(x),round_to_int(y), // Dest X and Y
140 -1,-1, // Width and Height
141 Gdk::RGB_DITHER_MAX, // RgbDither
142 2, 2 // Dither offset X and Y
145 if(tile_book[0].second!=get_refreshes() && get_canceled()==false && get_rendering()==false && get_queued()==false)
146 get_work_area()->async_update_preview();
150 const int width_in_tiles(w/tile_w+(w%tile_w?1:0));
151 const int height_in_tiles(h/tile_h+(h%tile_h?1:0));
154 int u1(0),v1(0),u2(width_in_tiles), v2(height_in_tiles);
156 bool needs_refresh(false);
160 u2=int((-x+drawable_w)/tile_w+1);
161 v2=int((-y+drawable_h)/tile_h+1);
162 if(u2>width_in_tiles)u2=width_in_tiles;
163 if(v2>height_in_tiles)v2=height_in_tiles;
171 int index=v*width_in_tiles+u;
172 if(tile_book.size()>index && tile_book[index].first)
177 drawable->draw_pixbuf(
179 tile_book[index].first, //pixbuf
180 0, 0, // Source X and Y
181 round_to_int(x)+tx,round_to_int(y)+ty, // Dest X and Y
182 -1,-1, // Width and Height
183 Gdk::RGB_DITHER_MAX, // RgbDither
184 2, 2 // Dither offset X and Y
187 if(tile_book[index].second!=get_refreshes())
191 if(needs_refresh==true && get_canceled()==false && get_rendering()==false && get_queued()==false)
193 //queue_render_preview();
194 get_work_area()->async_update_preview();
201 // Draw the border around the rendered region
203 gc->set_rgb_fg_color(Gdk::Color("#000000"));
204 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
205 drawable->draw_rectangle(
208 round_to_int(x),round_to_int(y), // x,y