Colour conversion utility

apps/opencs/view/render/unpagedworldspacewidget.cpp

@@ -7,6 +7,8 @@
 
 #include <QtGui/qevent.h>
 
+#include <components/sceneutil/util.hpp>
+
 #include "../../model/doc/document.hpp"
 
 #include "../../model/world/data.hpp"
@@ -23,10 +25,7 @@ void CSVRender::UnpagedWorldspaceWidget::update()
     const CSMWorld::Record<CSMWorld::Cell>& record =
         dynamic_cast<const CSMWorld::Record<CSMWorld::Cell>&> (mCellsModel->getRecord (mCellId));
 
-    ESM::Color clr = record.get().mAmbi.mAmbient;
-    osg::Vec4f colour(((clr >> 0) & 0xFF) / 255.0f,
-                      ((clr >> 8) & 0xFF) / 255.0f,
-                      ((clr >> 16) & 0xFF) / 255.0f, 1.f);
+    osg::Vec4f colour = SceneUtil::colourFromRGB(record.get().mAmbi.mAmbient);
 
     setDefaultAmbient (colour);
 

components/sceneutil/util.cpp

@@ -33,4 +33,21 @@ void transformBoundingSphere (const osg::Matrix& matrix, osg::BoundingSphere& bs
     if (bsphere._radius<len_zdash) bsphere._radius = len_zdash;
 }
 
+osg::Vec4f colourFromRGB(unsigned int clr)
+{
+    osg::Vec4f colour(((clr >> 0) & 0xFF) / 255.0f,
+                      ((clr >> 8) & 0xFF) / 255.0f,
+                      ((clr >> 16) & 0xFF) / 255.0f, 1.f);
+    return colour;
+}
+
+osg::Vec4f colourFromRGBA(unsigned int clr)
+{
+    osg::Vec4f colour(((clr >> 0) & 0xFF) / 255.0f,
+                      ((clr >> 8) & 0xFF) / 255.0f,
+                      ((clr >> 16) & 0xFF) / 255.0f,
+                      ((clr >> 24) & 0xFF) / 255.0f);
+    return colour;
+}
+
 }

components/sceneutil/util.hpp

@@ -3,6 +3,7 @@
 
 #include <osg/Matrix>
 #include <osg/BoundingSphere>
+#include <osg/Vec4f>
 
 namespace SceneUtil
 {
@@ -12,6 +13,10 @@ namespace SceneUtil
     // TODO: patch osg to make public
     void transformBoundingSphere (const osg::Matrix& matrix, osg::BoundingSphere& bsphere);
 
+    osg::Vec4f colourFromRGB (unsigned int clr);
+
+    osg::Vec4f colourFromRGBA (unsigned int clr);
+
 }
 
 #endif