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Fix a drawing lag during track recording.

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For a track with ~2,500 points, the average drawign would take ~30-50ms, now it takes about 20ms (21ms if software clipping is enabled).

Removed all possible congestion points by introducing a blocking queue.

This change includes many fixes, including:
1) Major refactoring and clean up of the overlay, sped up drawing by a factor of 2x
2) Disable software clipping as it was slower by about 5% than w/o clipping and would trigger a bug related to map view spanning
3) Add waypoints synchronization  and fixed a bug related to skipping the first wpt
4) Add a simple unit test
This commit is contained in:
Bartlomiej Niechwiej
2010-10-11 21:55:12 -07:00
parent 01d6dcac59
commit e94338f4c6
4 changed files with 330 additions and 269 deletions
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MyTracks/res/values/keys.xml
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@@ -38,7 +38,6 @@ limitations under the License.
<string name="share_url_only_key">shareUrlOnly</string>
<string name="signal_sampling_frequency_key">signalSamplingFrequency</string>
<string name="split_frequency_key">splitFrequency</string>
<string name="debug_draw_bounds_key">debugDrawBounds</string>
<!-- Preference keys which keep transient state (not user preferences) - DO NOT TRANSLATE -->
<string name="auto_resume_track_current_retry_key">autoResumeTrackCurrentRetry</string>