Implemented O(log(N)) wave plotting

[pulseview.git] / logicdatasnapshot.h

diff --git a/logicdatasnapshot.h b/logicdatasnapshot.h
index c49d05d58ca2d032f84c28f045238be4ef12d120..b68a9921a6ae7a1fed2a82958ed858c0a5a322d9 100644 (file)
--- a/logicdatasnapshot.h
+++ b/logicdatasnapshot.h
@@ -37,6 +37,7 @@ private:
        static const int ScaleStepCount = 10;
        static const int MipMapScalePower;
        static const int MipMapScaleFactor;
+       static const float LogMipMapScaleFactor;
        static const uint64_t MipMapDataUnit;
 
 public:
@@ -63,13 +64,17 @@ public:
         * @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
+        * @param[in] min_length The minimum number of samples 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);
+               float min_length, int sig_index);
+
+private:
+
+       static inline int64_t pow2_ceil(int64_t x, int power);
 
 private:
        struct MipMapLevel _mip_map[ScaleStepCount];