Initial rendering of traces

[pulseview.git] / logicdatasnapshot.h

diff --git a/logicdatasnapshot.h b/logicdatasnapshot.h
index f321f6cf6e031904e185c5be4b9f89630d41484b..e6fee52bea70f88aad01ee18c8522636930c4bc7 100644 (file)
--- a/logicdatasnapshot.h
+++ b/logicdatasnapshot.h
@@ -20,10 +20,32 @@
 
 #include "datasnapshot.h"
 
+#include <utility>
+#include <vector>
+
 class LogicDataSnapshot : public DataSnapshot
 {
+public:
+       typedef std::pair<int64_t, bool> EdgePair;
+
 public:
        LogicDataSnapshot(const sr_datafeed_logic &logic);
 
        void append_payload(const sr_datafeed_logic &logic);
+
+       uint64_t get_sample(uint64_t index) const;
+
+       /**
+        * Parses a logic data snapshot to generate a list of transitions
+        * in a time interval to a given level of detail.
+        * @param[out] edges The vector to place the edges into.
+        * @param[in] start The start sample index.
+        * @param[in] end The end sample index.
+        * @param[in] quantization_length The minimum period of time that
+        * can be resolved at this level of detail.
+        * @param[in] sig_index The index of the signal.
+        **/
+       void get_subsampled_edges(std::vector<EdgePair> &edges,
+               int64_t start, int64_t end,
+               int64_t quantization_length, int sig_index);
 };