Implement LogicSegment::get_surrounding_edges() and use it

[pulseview.git] / pv / data / logicsegment.hpp

diff --git a/pv/data/logicsegment.hpp b/pv/data/logicsegment.hpp
index 3c012a45c3257bcf4c20be27256b3a243ba0cf2b..a18a59f2e154130de84f5b7c009c2f9f50199fff 100644 (file)
--- a/pv/data/logicsegment.hpp
+++ b/pv/data/logicsegment.hpp
@@ -54,53 +54,42 @@ typedef struct {
        uint8_t* value;
 } SegmentLogicDataIterator;
 
-class LogicSegment : public QObject, public Segment
+class LogicSegment : public Segment
 {
        Q_OBJECT
 
-private:
-       struct MipMapLevel
-       {
-               uint64_t length;
-               uint64_t data_length;
-               void *data;
-       };
+public:
+       typedef pair<int64_t, bool> EdgePair;
 
-private:
        static const unsigned int ScaleStepCount = 10;
        static const int MipMapScalePower;
        static const int MipMapScaleFactor;
        static const float LogMipMapScaleFactor;
        static const uint64_t MipMapDataUnit;
 
-public:
-       typedef pair<int64_t, bool> EdgePair;
+private:
+       struct MipMapLevel
+       {
+               uint64_t length;
+               uint64_t data_length;
+               void *data;
+       };
 
 public:
-       LogicSegment(pv::data::Logic& owner, unsigned int unit_size, uint64_t samplerate);
+       LogicSegment(pv::data::Logic& owner, uint32_t segment_id,
+               unsigned int unit_size, uint64_t samplerate);
 
        virtual ~LogicSegment();
 
        void append_payload(shared_ptr<sigrok::Logic> logic);
        void append_payload(void *data, uint64_t data_size);
 
-       const uint8_t* get_samples(int64_t start_sample, int64_t end_sample) const;
+       void get_samples(int64_t start_sample, int64_t end_sample, uint8_t* dest) const;
 
        SegmentLogicDataIterator* begin_sample_iteration(uint64_t start);
        void continue_sample_iteration(SegmentLogicDataIterator* it, uint64_t increase);
        void end_sample_iteration(SegmentLogicDataIterator* it);
 
-private:
-       uint64_t unpack_sample(const uint8_t *ptr) const;
-       void pack_sample(uint8_t *ptr, uint64_t value);
-
-       void reallocate_mipmap_level(MipMapLevel &m);
-
-       void append_payload_to_mipmap();
-
-       uint64_t get_unpacked_sample(uint64_t index) const;
-
-public:
        /**
         * Parses a logic data segment to generate a list of transitions
         * in a time interval to a given level of detail.
@@ -113,7 +102,20 @@ public:
         */
        void get_subsampled_edges(vector<EdgePair> &edges,
                uint64_t start, uint64_t end,
-               float min_length, int sig_index);
+               float min_length, int sig_index, bool first_change_only = false);
+
+       void get_surrounding_edges(vector<EdgePair> &dest,
+               uint64_t origin_sample, float min_length, int sig_index);
+
+private:
+       uint64_t unpack_sample(const uint8_t *ptr) const;
+       void pack_sample(uint8_t *ptr, uint64_t value);
+
+       void reallocate_mipmap_level(MipMapLevel &m);
+
+       void append_payload_to_mipmap();
+
+       uint64_t get_unpacked_sample(uint64_t index) const;
 
 private:
        uint64_t get_subsample(int level, uint64_t offset) const;