drawinglayer: move getRandomColorRange to be private to GeoTexSvx

Change-Id: I9b306277a67b793ffd065d40446909ac59da0641
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/90190
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

drawinglayer/inc/converters.hxx

@@ -24,7 +24,6 @@
 
 namespace drawinglayer
 {
-
     BitmapEx convertToBitmapEx(
         const drawinglayer::primitive2d::Primitive2DContainer& rSeq,
         const geometry::ViewInformation2D& rViewInformation2D,
@@ -32,8 +31,6 @@ namespace drawinglayer
         sal_uInt32 nDiscreteHeight,
         sal_uInt32 nMaxQuadratPixels);
 
-    double getRandomColorRange();
-
 } // end of namespace drawinglayer
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

drawinglayer/source/primitive2d/polygonprimitive2d.cxx

@@ -24,7 +24,6 @@
 #include <drawinglayer/geometry/viewinformation2d.hxx>
 #include <basegfx/polygon/b2dlinegeometry.hxx>
 #include <com/sun/star/drawing/LineCap.hpp>
-#include <comphelper/random.hxx>
 
 #include <converters.hxx>
 
@@ -196,11 +195,6 @@ namespace drawinglayer::primitive2d
 
 namespace drawinglayer
 {
-    double getRandomColorRange()
-    {
-        return comphelper::rng::uniform_real_distribution(0.0, nextafter(1.0, DBL_MAX));
-    }
-
     namespace primitive2d
     {
         void PolygonStrokePrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const

drawinglayer/source/texture/texture.cxx

@@ -26,10 +26,18 @@
 #include <basegfx/utils/gradienttools.hxx>
 #include <basegfx/matrix/b2dhommatrixtools.hxx>
 
-#include <converters.hxx>
+#include <comphelper/random.hxx>
 
 namespace drawinglayer::texture
 {
+        namespace
+        {
+            double getRandomColorRange()
+            {
+                return comphelper::rng::uniform_real_distribution(0.0, nextafter(1.0, DBL_MAX));
+            }
+        }
+
         GeoTexSvx::GeoTexSvx()
         {
         }