3 #include <boost/shared_ptr.hpp>
9 #include "alg/annotation_colors.hpp"
10 #include "alg/sequence.hpp"
11 #include "alg/glsequence.hpp"
12 #include "alg/sequence_location.hpp"
13 #include "alg/track_region.hpp"
15 //! Manage rendering a collection of glSequences
20 GlSeqBrowser(const GlSeqBrowser&);
22 //! setup the opengl canvas
24 //! called when our screen canvas is resized
25 void resizeGL(int width, int height);
29 //! select a region (using canvas coordinates)
30 void selectRegion(int top, int left, int bottom, int right);
35 //! max world left coordinate
37 //! max world right coordinate
40 void setViewportCenter(float x);
41 //! return world coordinate of the left side of the viewport
42 float viewportLeft() const;
43 //! return world coordinate of the center of the viewport
44 float viewportCenter() const;
45 //! return world coordinate of the right side of the viewport
46 float viewportRight() const;
47 //! return height of the viewport in world coordinates
48 float viewportHeight() const;
49 //! return width of the viewport in world coordinates
50 float viewportWidth() const;
52 //! zoom out far enough to show the full size of the sequence
54 //! zoom in to a reasonable sequence view
55 double zoomToSequence();
56 //! set the current zoom level in (base pairs / pix )
57 //! its a double as zoom levels of [0.01, 1.0] make nice sequence views
58 void setZoom(double zoom_level);
59 //! returns the current zoom level as basepairs per pixel
61 //! center the provided path in the current viewport
62 void centerOnPath(const std::vector<int>&);
64 void setColorMapper(boost::shared_ptr<AnnotationColors> cm);
65 const AnnotationColors& colorMapper();
67 //! clear our tracks and connections
69 //! clear everything related to a selection
70 void clear_selection();
72 //! add a sequence to the back of our track container (makes copy of s)
73 void push_sequence(const Sequence& s);
74 //! add a sequence to the back of our track container
75 void push_sequence(boost::shared_ptr<Sequence> s);
76 //! add a glsequence to the back of our track container
77 void push_sequence(GlSequence s);
78 //! return our track container
79 const std::vector<GlSequence>& sequences() const;
81 //! clear all the line segments between all the sequences
84 void link(const std::vector<int>& path, const std::vector<bool>& isRC, int length);
85 //! set selected paths (it'd be nice if this could be a templated function)
86 void setSelectedPaths(std::vector<int> c);
87 //! returns the index of pathids based on order added by link
88 const std::set<int>& selectedPaths() const;
90 //! set selected tracks (it'd be nice if this could be a templated function)
91 void appendSelectedTrack(GLuint track_index, int left, int right);
93 //! return list of selected tracks
94 std::list<TrackRegion> selectedTracks() const;
96 //! copy sequence from selected track using formating function
98 void copySelectedTracks(std::list<Item>& result,
99 Item (*format_track)(const Sequence& s, int left, int right));
100 //! copy sequence from selected tracks as FASTA sequences
101 void copySelectedTracksAsFasta(std::string& copy_buffer);
102 //! copy sequence from selected tracks as a list of sequences
103 void copySelectedTracksAsSequences(std::list<Sequence>& result);
104 //! copy sequence from selected tracks as plain sequences
105 void copySelectedTracksAsString(std::string& copy_buffer);
107 //! copy tracks as a sequence and its coordinates
108 void copySelectedTracksAsSeqLocation(std::list<SequenceLocation>& result);
111 //! Provide a logical name for a type discriminator for our glName stack
112 enum FeatureType { MussaTrack, MussaSegment };
114 //! a useful point class
115 template<class T> struct point {
119 point(T x_, T y_):x(x_), y(y_) {}
122 //! a useful rectangle, where 0,0 is in the lower left
123 template<class T> struct rect {
130 rect(T t, T l, T b, T r) : top(t), left(l), bottom(b), right(r) {}
131 T width() { return right - left; }
132 T height() { return top - bottom; }
133 void clear() { top=0; left=0; bottom=0; right=0; }
141 std::set<int> path_ids;
143 Segment() : start(0.0, 0.0), end(0.0, 0.0) {}
144 Segment(float x1, float y1, float x2, float y2, bool isRC)
145 : start(x1, y1), end(x2, y2), reversed(isRC) {}
148 //! data structure holding our line segments
149 /*! the vector is of size track_container.size()-1
150 * it's indexed by the pair x1, x2 (the two x coordinates between
153 typedef std::pair<int, int> segment_key;
154 typedef std::map<segment_key, Segment> pair_segment_map;
155 typedef std::vector<pair_segment_map> path_segment_map_vector;
156 path_segment_map_vector path_segments;
159 //! recalculate the viewable world
160 /*! depending on the size of our canvas, our zoom level and
161 * how far we've been offset
163 void update_viewport(float center, double new_zoom);
165 //! determine where all the tracks should be placed
166 void update_layout();
168 //! convert opengl selections into the list of paths we should highlight
169 void processSelection(GLuint hits,
172 const rect<float>& r);
174 //! master scene drawing function
175 /*! draw is broken out for the opengl selection code
178 //! draw glsequence tracks
179 void draw_tracks() const;
180 //! draw line segments between tracks
181 void draw_segments() const;
182 //! draw selection box
183 void draw_selection() const;
185 //! number of pixels to reserve around the edges of our canvas
186 const int border_width;
187 //! the current viewable region (world coord)
188 rect<float> cur_ortho;
189 //! how many pixels our viewport is (screen coord)
190 point<int> viewport_size;
191 //! the center of our current viewport (world coord) (used for scrollbar)
192 float viewport_center;
194 boost::shared_ptr<AnnotationColors> color_mapper;
195 //! container of all the GlSequences loaded into our scene
196 std::vector<GlSequence> track_container;
197 //! counter for each path added to us via connect
201 //! where to draw our box (world coordinates)
202 rect<float> selectedRegion;
203 //! true if we have a selection
205 //! indicate which paths are selected
206 std::set<int> selected_paths;
207 //! which track is selected (it only makes sense to have one track selected).
208 std::list<TrackRegion> selected_tracks;
209 typedef std::list<TrackRegion>::iterator selected_track_iterator;