8 #include "alg/annotation_colors.hpp"
9 #include "alg/sequence.hpp"
10 #include "alg/glsequence.hpp"
12 //! Manage rendering a collection of glSequences
17 GlSeqBrowser(const GlSeqBrowser&);
19 //! setup the opengl canvas
21 //! called when our screen canvas is resized
22 void resizeGL(int width, int height);
26 //! select a region (using canvas coordinates)
27 void GlSeqBrowser::selectRegion(int top, int left, int bottom, int right);
32 //! max world left coordinate
34 //! max world right coordinate
37 void setViewportCenter(float x);
38 //! return world coordinate of the left side of the viewport
39 float viewportLeft() const;
40 //! return world coordinate of the center of the viewport
41 float viewportCenter() const;
42 //! return world coordinate of the right side of the viewport
43 float viewportRight() const;
44 //! return height of the viewport in world coordinates
45 float viewportHeight() const;
46 //! return width of the viewport in world coordinates
47 float viewportWidth() const;
49 //! zoom out far enough to show the full size of the sequence
51 //! zoom in to a reasonable sequence view
52 double zoomToSequence();
53 //! set the current zoom level in (base pairs / pix )
54 //! its a double as zoom levels of [0.01, 1.0] make nice sequence views
55 void setZoom(double zoom_level);
56 //! returns the current zoom level as basepairs per pixel
58 //! center the provided path in the current viewport
59 void centerOnPath(const std::vector<int>&);
61 void setColorMapper(AnnotationColors& cm);
62 AnnotationColors& colorMapper();
64 //! clear our tracks and connections
67 //! add a sequence to the back of our track container
68 void push_sequence(const Sequence &s);
69 //! add a glsequence to the back of our track container
70 void push_sequence(GlSequence &s);
71 //! return our track container
72 const std::vector<GlSequence>& sequences() const;
74 //! clear all the line segments between all the sequences
77 void link(const std::vector<int>& path, const std::vector<bool>& isRC, int length);
78 //! returns the index of pathids based on order added by link
79 const std::set<int>& selectedPaths() const;
80 //! define our function for formating sequence copy
81 typedef std::string format_track(const Sequence& s, int left, int right);
82 //! copy sequence from selected track using formating function
83 void copySelectedTracks(std::string& copy_buffer, format_track func);
84 //! copy sequence from selected tracks as plain sequences
85 void copySelectedTracksAsString(std::string& copy_buffer);
86 //! copy sequence from selected tracks as FASTA sequences
87 void copySelectedTracksAsFasta(std::string& copy_buffer);
90 //! Provide a logical name for a type discriminator for our glName stack
91 enum FeatureType { MussaTrack, MussaSegment };
93 //! a useful point class
94 template<class T> struct point {
98 point(T x_, T y_):x(x_), y(y_) {}
101 //! a useful rectangle, where 0,0 is in the lower left
102 template<class T> struct rect {
109 rect(T t, T l, T b, T r) : top(t), left(l), bottom(b), right(r) {}
110 T width() { return right - left; }
111 T height() { return top - bottom; }
119 std::set<int> path_ids;
121 Segment() : start(0.0, 0.0), end(0.0, 0.0) {}
122 Segment(float x1, float y1, float x2, float y2, bool isRC)
123 : start(x1, y1), end(x2, y2), reversed(isRC) {}
126 //! data structure holding our line segments
127 /*! the vector is of size track_container.size()-1
128 * it's indexed by the pair x1, x2 (the two x coordinates between
131 typedef std::pair<int, int> segment_key;
132 typedef std::map<segment_key, Segment> pair_segment_map;
133 typedef std::vector<pair_segment_map> path_segment_map_vector;
134 path_segment_map_vector path_segments;
142 TrackRegion():track_id(0), left(0), right(0) {};
143 TrackRegion(const TrackRegion& o)
144 : track_id(o.track_id), left(o.left), right(o.right) {}
145 TrackRegion(GLuint id, int l, int r)
146 : track_id(id), left(l), right(r) {}
147 void set(GLuint id, int l, int r) { track_id = id; left=l; right=r; };
151 //! recalculate the viewable world
152 /*! depending on the size of our canvas, our zoom level and
153 * how far we've been offset
155 void update_viewport(float center, double new_zoom);
157 //! determine where all the tracks should be placed
158 void update_layout();
160 //! convert opengl selections into the list of paths we should highlight
161 void processSelection(GLuint hits,
164 const rect<float>& r);
166 //! master scene drawing function
167 /*! draw is broken out for the opengl selection code
170 //! draw glsequence tracks
171 void draw_tracks() const;
172 //! draw line segments between tracks
173 void draw_segments() const;
174 //! draw selection box
175 void draw_selection() const;
177 //! number of pixels to reserve around the edges of our canvas
178 const int border_width;
179 //! the current viewable region (world coord)
180 rect<float> cur_ortho;
181 //! how many pixels our viewport is (screen coord)
182 point<int> viewport_size;
183 //! the center of our current viewport (world coord) (used for scrollbar)
184 float viewport_center;
186 AnnotationColors color_mapper;
187 //! container of all the GlSequences loaded into our scene
188 std::vector<GlSequence> track_container;
189 //! counter for each path added to us via connect
193 //! where to draw our box (world coordinates)
194 rect<float> selectedRegion;
195 //! true if we have a selection
197 //! indicate which paths are selected
198 std::set<int> selected_paths;
199 //! which track is selected (it only makes sense to have one track selected).
200 std::list<TrackRegion> selected_tracks;
201 typedef std::list<TrackRegion>::iterator selected_track_iterator;