Segments: Fix iterator access to underlying value

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

diff --git a/pv/data/logicsegment.hpp b/pv/data/logicsegment.hpp
index 88576118d06eb180b281d0d8ee9a9b2f1def1e2c..8cbc1c5dc050d7aac6c03625908ce0be337eecf9 100644 (file)
--- a/pv/data/logicsegment.hpp
+++ b/pv/data/logicsegment.hpp
@@ -48,12 +48,6 @@ namespace data {
 
 class Logic;
 
-typedef struct {
-       uint64_t sample_index, chunk_num, chunk_offs;
-       uint8_t* chunk;
-       uint8_t* value;
-} SegmentLogicDataIterator;
-
 class LogicSegment : public Segment
 {
        Q_OBJECT
@@ -86,21 +80,6 @@ public:
 
        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 +92,20 @@ 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;