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"
14 //! Manage rendering a collection of glSequences
19 GlSeqBrowser(const GlSeqBrowser&);
21 //! setup the opengl canvas
23 //! called when our screen canvas is resized
24 void resizeGL(int width, int height);
28 //! select a region (using canvas coordinates)
29 void selectRegion(int top, int left, int bottom, int right);
34 //! max world left coordinate
36 //! max world right coordinate
39 void setViewportCenter(float x);
40 //! return world coordinate of the left side of the viewport
41 float viewportLeft() const;
42 //! return world coordinate of the center of the viewport
43 float viewportCenter() const;
44 //! return world coordinate of the right side of the viewport
45 float viewportRight() const;
46 //! return height of the viewport in world coordinates
47 float viewportHeight() const;
48 //! return width of the viewport in world coordinates
49 float viewportWidth() const;
51 //! zoom out far enough to show the full size of the sequence
53 //! zoom in to a reasonable sequence view
54 double zoomToSequence();
55 //! set the current zoom level in (base pairs / pix )
56 //! its a double as zoom levels of [0.01, 1.0] make nice sequence views
57 void setZoom(double zoom_level);
58 //! returns the current zoom level as basepairs per pixel
60 //! center the provided path in the current viewport
61 void centerOnPath(const std::vector<int>&);
63 void setColorMapper(boost::shared_ptr<AnnotationColors> cm);
64 const AnnotationColors& colorMapper();
66 //! clear our tracks and connections
68 //! clear everything related to a selection
69 void clear_selection();
71 //! add a sequence to the back of our track container (makes copy of s)
72 void push_sequence(const Sequence& s);
73 //! add a sequence to the back of our track container
74 void push_sequence(boost::shared_ptr<Sequence> s);
75 //! add a glsequence to the back of our track container
76 void push_sequence(GlSequence s);
77 //! return our track container
78 const std::vector<GlSequence>& sequences() const;
80 //! clear all the line segments between all the sequences
83 void link(const std::vector<int>& path, const std::vector<bool>& isRC, int length);
84 //! returns the index of pathids based on order added by link
85 const std::set<int>& selectedPaths() const;
86 //! copy sequence from selected track using formating function
88 void copySelectedTracks(std::list<Item>& result,
89 Item (*format_track)(const Sequence& s, int left, int right));
90 //! copy sequence from selected tracks as FASTA sequences
91 void copySelectedTracksAsFasta(std::string& copy_buffer);
92 //! copy sequence from selected tracks as a list of sequences
93 void copySelectedTracksAsSequences(std::list<Sequence>& result);
94 //! copy sequence from selected tracks as plain sequences
95 void copySelectedTracksAsString(std::string& copy_buffer);
97 //! copy tracks as a sequence and its coordinates
98 void copySelectedTracksAsSeqLocation(std::list<SequenceLocation>& result);
101 //! Provide a logical name for a type discriminator for our glName stack
102 enum FeatureType { MussaTrack, MussaSegment };
104 //! a useful point class
105 template<class T> struct point {
109 point(T x_, T y_):x(x_), y(y_) {}
112 //! a useful rectangle, where 0,0 is in the lower left
113 template<class T> struct rect {
120 rect(T t, T l, T b, T r) : top(t), left(l), bottom(b), right(r) {}
121 T width() { return right - left; }
122 T height() { return top - bottom; }
123 void clear() { top=0; left=0; bottom=0; right=0; }
131 std::set<int> path_ids;
133 Segment() : start(0.0, 0.0), end(0.0, 0.0) {}
134 Segment(float x1, float y1, float x2, float y2, bool isRC)
135 : start(x1, y1), end(x2, y2), reversed(isRC) {}
138 //! data structure holding our line segments
139 /*! the vector is of size track_container.size()-1
140 * it's indexed by the pair x1, x2 (the two x coordinates between
143 typedef std::pair<int, int> segment_key;
144 typedef std::map<segment_key, Segment> pair_segment_map;
145 typedef std::vector<pair_segment_map> path_segment_map_vector;
146 path_segment_map_vector path_segments;
154 TrackRegion():track_id(0), left(0), right(0) {};
155 TrackRegion(const TrackRegion& o)
156 : track_id(o.track_id), left(o.left), right(o.right) {}
157 TrackRegion(GLuint id, int l, int r)
158 : track_id(id), left(l), right(r) {}
159 void set(GLuint id, int l, int r) { track_id = id; left=l; right=r; };
163 //! recalculate the viewable world
164 /*! depending on the size of our canvas, our zoom level and
165 * how far we've been offset
167 void update_viewport(float center, double new_zoom);
169 //! determine where all the tracks should be placed
170 void update_layout();
172 //! convert opengl selections into the list of paths we should highlight
173 void processSelection(GLuint hits,
176 const rect<float>& r);
178 //! master scene drawing function
179 /*! draw is broken out for the opengl selection code
182 //! draw glsequence tracks
183 void draw_tracks() const;
184 //! draw line segments between tracks
185 void draw_segments() const;
186 //! draw selection box
187 void draw_selection() const;
189 //! number of pixels to reserve around the edges of our canvas
190 const int border_width;
191 //! the current viewable region (world coord)
192 rect<float> cur_ortho;
193 //! how many pixels our viewport is (screen coord)
194 point<int> viewport_size;
195 //! the center of our current viewport (world coord) (used for scrollbar)
196 float viewport_center;
198 boost::shared_ptr<AnnotationColors> color_mapper;
199 //! container of all the GlSequences loaded into our scene
200 std::vector<GlSequence> track_container;
201 //! counter for each path added to us via connect
205 //! where to draw our box (world coordinates)
206 rect<float> selectedRegion;
207 //! true if we have a selection
209 //! indicate which paths are selected
210 std::set<int> selected_paths;
211 //! which track is selected (it only makes sense to have one track selected).
212 std::list<TrackRegion> selected_tracks;
213 typedef std::list<TrackRegion>::iterator selected_track_iterator;