renamed flipping function, had wrong name

include/ACGL/OpenGL/Data/TextureData.hh

@@ -75,8 +75,8 @@ public:
     //! 1,2,3 or 4 based on format
     GLsizei  getNumberOfChannels() const;
 
-    //! flips the image horizontally as some image formats have a different coordinate system as OpenGL has.
-    void flipHorizontally();
+    //! flips the image vertically as some image formats have a different coordinate system as OpenGL has. (flip it upside down)
+    void flipVertically();
 
     //! returns the texel converted to float (0..1 in case the data was int, -1..1 in case it was unsigned int).
     //! If the Image had less than 4 components it get's filled with (0,0,0,1)

src/ACGL/OpenGL/Data/TextureData.cc

@@ -25,7 +25,7 @@ GLsizei  TextureData::getNumberOfChannels() const
 }
 
 
-void TextureData::flipHorizontally()
+void TextureData::flipVertically()
 {
     size_t scanlineInBytes = getBytesPerScanline();
     GLubyte *tmpScanLine = new GLubyte[ scanlineInBytes ];