gui: don't redraw whole mapping window layout

When we're tracking, we only want to redraw the splines
in the mapping window while the mapping window is open.
It was a major CPU hog to redraw in case the mapping
window's open.

Before: total 15% of time spent on Qt signals
After: 10%

1 files changed, 391 insertions, 0 deletions

diff --git a/3rdparty-notices/INTEL-IPP-COPYING.txt b/3rdparty-notices/INTEL-IPP-COPYING.txt
new file mode 100644
index 00000000..bb73e3d9
--- /dev/null
+++ b/3rdparty-notices/INTEL-IPP-COPYING.txt
@@ -0,0 +1,391 @@
+According to the OpenCV project and Intel:
+
+From <http://opencv.org/opencv-3-0.html>
+| a subset of Intel IPP (IPPCV) is given to us and our users free of charge,
+| free of licensing fees, for commercial and non-commerical use. It's used by
+| default in x86 and x64 builds on Windows, Linux and Mac.
+
+From <http://code.opencv.org/projects/opencv/wiki/Opencv3>
+| Intel Corporation granted OpenCV Foundation and all our users the right to
+| use IPP-ICV libraries free of charge for both non-commercial and commercial
+| use. Optimization with IPP-ICV is enabled by default on the supported
+| platforms.
+
+From <https://software.intel.com/en-us/articles/enabling-ipp-on-opencv-windows-and-linux-ubintu>
+| To enable IPP you have 2 options. One you can just use ‘ICV’ that is a special IPP
+| build for OpenCV which is free and the other option is that you can use your [...]
+
+----------------------
+
+Intel IPP EULA follows. How much of this applies isn't known to me. --sthalik
+
+----------------------
+
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+	November 2010