[6] | 1 | #include <graph_displayer_canvas.h> |
---|
[17] | 2 | #include <broken_edge.h> |
---|
[6] | 3 | #include <math.h> |
---|
| 4 | |
---|
[28] | 5 | GraphDisplayerCanvas::GraphDisplayerCanvas(Graph & gr, CoordinatesMap & cm, MapStorage & ms, MapWin * mw):g(gr),nodesmap(g),edgesmap(g),edgetextmap(g),nodetextmap(g),displayed_graph(*(root()), 0, 0),mapstorage(ms),isbutton(0),active_item(NULL),target_item(NULL),mapwin(mw) |
---|
[6] | 6 | { |
---|
[9] | 7 | |
---|
[21] | 8 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::create_node_event_handler), false); |
---|
| 9 | actual_tool=CREATE_NODE; |
---|
[9] | 10 | |
---|
[12] | 11 | active_node=INVALID; |
---|
| 12 | active_edge=INVALID; |
---|
| 13 | |
---|
[6] | 14 | //set_center_scroll_region(true); |
---|
| 15 | |
---|
| 16 | //first edges are drawn, to hide joining with nodes later |
---|
| 17 | |
---|
| 18 | for (EdgeIt i(g); i!=INVALID; ++i) |
---|
| 19 | { |
---|
| 20 | |
---|
| 21 | //drawing green lines, coordinates are from cm |
---|
| 22 | |
---|
| 23 | Gnome::Canvas::Points coos; |
---|
| 24 | coos.push_back(Gnome::Art::Point(cm[g.source(i)].x,cm[g.source(i)].y)); |
---|
| 25 | coos.push_back(Gnome::Art::Point(cm[g.target(i)].x,cm[g.target(i)].y)); |
---|
| 26 | |
---|
[21] | 27 | edgesmap[i]=new BrokenEdge(displayed_graph, coos, *this); |
---|
[6] | 28 | *(edgesmap[i]) << Gnome::Canvas::Properties::fill_color("green"); |
---|
| 29 | edgesmap[i]->property_width_pixels().set_value(10); |
---|
| 30 | |
---|
| 31 | //initializing edge-text as well, to empty string |
---|
| 32 | |
---|
[25] | 33 | xy<double> text_pos=edgesmap[i]->get_arrow_pos(); |
---|
| 34 | text_pos+=(xy<double>(10,10)); |
---|
| 35 | |
---|
| 36 | edgetextmap[i]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, ""); |
---|
[28] | 37 | edgetextmap[i]->property_fill_color().set_value("darkgreen"); |
---|
[6] | 38 | } |
---|
| 39 | |
---|
| 40 | //afterwards nodes come to be drawn |
---|
| 41 | |
---|
| 42 | NodeIt i(g); |
---|
| 43 | int maxx=0, maxy=0, minx=(int)cm[i].x, miny=(int)cm[i].y; |
---|
| 44 | |
---|
| 45 | for (; i!=INVALID; ++i) |
---|
| 46 | { |
---|
| 47 | //minimum and maximum is gathered to be able to zoom to the graph correctly (whole figure should be seen) |
---|
| 48 | |
---|
| 49 | if(cm[i].x>maxx)maxx=(int)cm[i].x; |
---|
| 50 | if(cm[i].y>maxy)maxy=(int)cm[i].y; |
---|
| 51 | if(cm[i].x<minx)minx=(int)cm[i].x; |
---|
| 52 | if(cm[i].y<miny)miny=(int)cm[i].y; |
---|
| 53 | |
---|
| 54 | //drawing bule nodes, with black line around them |
---|
| 55 | |
---|
| 56 | nodesmap[i]=new Gnome::Canvas::Ellipse(displayed_graph, cm[i].x-20, cm[i].y-20, cm[i].x+20, cm[i].y+20); |
---|
| 57 | *(nodesmap[i]) << Gnome::Canvas::Properties::fill_color("blue"); |
---|
| 58 | *(nodesmap[i]) << Gnome::Canvas::Properties::outline_color("black"); |
---|
[28] | 59 | |
---|
| 60 | //initializing edge-text as well, to empty string |
---|
| 61 | |
---|
| 62 | xy<double> text_pos((cm[i].x+node_property_defaults[N_RADIUS]+5),(cm[i].y+node_property_defaults[N_RADIUS]+5)); |
---|
| 63 | |
---|
| 64 | nodetextmap[i]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, ""); |
---|
| 65 | nodetextmap[i]->property_fill_color().set_value("darkblue"); |
---|
[6] | 66 | } |
---|
| 67 | |
---|
| 68 | updateScrollRegion(); |
---|
| 69 | } |
---|
| 70 | |
---|
| 71 | GraphDisplayerCanvas::~GraphDisplayerCanvas() |
---|
| 72 | { |
---|
| 73 | |
---|
| 74 | //writing out the end state of the graph |
---|
| 75 | //\todo all the maps has to be write out! |
---|
| 76 | |
---|
| 77 | Graph::NodeMap <int> id(g); |
---|
| 78 | Graph::NodeMap <double> xc(g); |
---|
| 79 | Graph::NodeMap <double> yc(g); |
---|
| 80 | |
---|
| 81 | int j=1; |
---|
| 82 | |
---|
| 83 | for (NodeIt i(g); i!=INVALID; ++i) |
---|
| 84 | { |
---|
| 85 | double x1,y1,x2,y2; |
---|
| 86 | nodesmap[i]->get_bounds(x1, y1, x2, y2); |
---|
| 87 | |
---|
| 88 | id[i]=j++; |
---|
| 89 | xc[i]=(x1+x2)/2; |
---|
| 90 | yc[i]=(y1+y2)/2; |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | GraphWriter<Graph> writer(std::cout,g); |
---|
| 94 | |
---|
| 95 | writer.writeNodeMap("id", id); |
---|
| 96 | writer.writeNodeMap("coordinates_x", xc); |
---|
| 97 | writer.writeNodeMap("coordinates_y", yc); |
---|
| 98 | writer.run(); |
---|
| 99 | } |
---|