1 | #include <graph_displayer_canvas.h> |
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2 | #include <broken_edge.h> |
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3 | #include <math.h> |
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4 | |
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5 | |
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6 | int GraphDisplayerCanvas::changeLineWidth (std::string mapname) |
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7 | { |
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8 | for (EdgeIt i(g); i!=INVALID; ++i) |
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9 | { |
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10 | int w=(int)(*(mapstorage.edgemap_storage)[mapname])[i]; |
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11 | if(w>=0) |
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12 | { |
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13 | edgesmap[i]->property_width_pixels().set_value(w); |
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14 | } |
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15 | } |
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16 | return 0; |
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17 | }; |
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18 | |
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19 | int GraphDisplayerCanvas::changeColor (std::string mapname) |
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20 | { |
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21 | |
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22 | //function maps the range of the maximum and |
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23 | //the minimum of the nodemap to the range of |
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24 | //green in RGB |
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25 | |
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26 | for (EdgeIt i(g); i!=INVALID; ++i) |
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27 | { |
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28 | double w=(*(mapstorage.edgemap_storage)[mapname])[i]; |
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29 | double max=mapstorage.maxOfEdgeMap(mapname); |
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30 | double min=mapstorage.minOfEdgeMap(mapname); |
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31 | |
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32 | //std::cout<<w<<" "<<max<<" "<<min<<" "<<100*(w-min)/(max-min)<<std::endl; |
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33 | Gdk::Color color; |
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34 | if(max!=min) |
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35 | { |
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36 | color.set_rgb_p (0, 100*(w-min)/(max-min), 0); |
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37 | } |
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38 | else |
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39 | { |
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40 | color.set_rgb_p (0, 100, 0); |
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41 | } |
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42 | |
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43 | edgesmap[i]->property_fill_color_gdk().set_value(color); |
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44 | } |
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45 | return 0; |
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46 | }; |
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47 | |
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48 | int GraphDisplayerCanvas::changeText (std::string mapname) |
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49 | { |
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50 | |
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51 | //the number in the map will be written on the edge |
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52 | //EXCEPT when the name of the map is Text, because |
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53 | //in that case empty string will be written, because |
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54 | //that is the deleter map |
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55 | //\todo isn't it a bit woodcutter? |
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56 | |
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57 | for (EdgeIt i(g); i!=INVALID; ++i) |
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58 | { |
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59 | if(mapname!="Text") |
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60 | { |
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61 | double number=(*(mapstorage.edgemap_storage)[mapname])[i]; |
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62 | int length=1; |
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63 | //if number is smaller than one, length would be negative, or invalid |
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64 | if(number>=1) |
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65 | { |
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66 | length=(int)(floor(log(number)/log(10)))+1; |
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67 | } |
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68 | int maxpos=(int)(pow(10,length-1)); |
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69 | int strl=length+1+RANGE; |
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70 | char * str=new char[strl]; |
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71 | str[length]='.'; |
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72 | str[strl]='\0'; |
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73 | |
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74 | for(int j=0;j<strl;j++) |
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75 | { |
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76 | if(j!=length) |
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77 | { |
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78 | int digit=(int)(number/maxpos); |
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79 | str[j]=(digit+'0'); |
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80 | number-=digit*maxpos; |
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81 | number*=10; |
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82 | } |
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83 | } |
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84 | |
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85 | edgetextmap[i]->property_text().set_value(str); |
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86 | } |
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87 | else |
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88 | { |
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89 | edgetextmap[i]->property_text().set_value(""); |
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90 | } |
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91 | } |
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92 | return 0; |
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93 | }; |
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