[qtAliceVision] Add PhongImageViewer

Allows to load and display image (albedo and normal) with a given light direction.
Shading is done using Blinn-Phong reflection model.

Author: gregoire-dl

src/qtAliceVision/CMakeLists.txt

@@ -10,6 +10,7 @@ set(PLUGIN_SOURCES
     Surface.cpp
     MSfMDataStats.cpp
     PanoramaViewer.cpp
+    PhongImageViewer.cpp
     Painter.cpp
     SequenceCache.cpp
     SingleImageLoader.cpp
@@ -28,6 +29,7 @@ set(PLUGIN_HEADERS
     FloatTexture.hpp
     MSfMDataStats.hpp
     PanoramaViewer.hpp
+    PhongImageViewer.hpp
     Surface.hpp
     Painter.hpp
     ImageServer.hpp