X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Flogicsegment.hpp;h=8cbc1c5dc050d7aac6c03625908ce0be337eecf9;hp=7becfc3e70c1fc47abacc7dcd124e6c09f0f11a7;hb=65c92359634f672e5f472a5214719dabc7e20883;hpb=85a702806a15852f3684645dffdc38cb30274481

diff --git a/pv/data/logicsegment.hpp b/pv/data/logicsegment.hpp
index 7becfc3e..8cbc1c5d 100644
--- a/pv/data/logicsegment.hpp
+++ b/pv/data/logicsegment.hpp
@@ -48,33 +48,26 @@ namespace data {
 
 class Logic;
 
-typedef struct {
-	uint64_t sample_index, chunk_num, chunk_offs;
-	uint8_t* chunk;
-	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, uint32_t segment_id,
@@ -87,21 +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.
@@ -114,7 +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;