Remove unused code.

src/nvimage/ColorBlock.cpp

@@ -1,8 +1,6 @@
 // This code is in the public domain -- castanyo@yahoo.es
 
 #include "ColorBlock.h"
-#include "Image.h"
-#include "FloatImage.h"
 
 #include "nvmath/Box.h"
 #include "nvmath/Vector.inl"
@@ -53,17 +51,6 @@ ColorBlock::ColorBlock(const ColorBlock & block)
 }
 
 
-/// Initialize this color block.
-ColorBlock::ColorBlock(const Image * img, uint x, uint y)
-{
-    init(img, x, y);
-}
-
-void ColorBlock::init(const Image * img, uint x, uint y)
-{
-    init(img->width, img->height, (const uint *)img->pixels(), x, y);
-}
-
 void ColorBlock::init(uint w, uint h, const uint * data, uint x, uint y)
 {
     nvDebugCheck(data != NULL);

src/nvimage/ColorBlock.h

@@ -9,9 +9,6 @@
 
 namespace nv
 {
-    class Image;
-    class FloatImage;
-
 
     /// Uncompressed 4x4 color block.
     struct ColorBlock
@@ -19,9 +16,7 @@ namespace nv
         ColorBlock();
         ColorBlock(const uint * linearImage);
         ColorBlock(const ColorBlock & block);
-        ColorBlock(const Image * img, uint x, uint y);
 
-        void init(const Image * img, uint x, uint y);
         void init(uint w, uint h, const uint * data, uint x, uint y);
         void init(uint w, uint h, const float * data, uint x, uint y);
 

src/nvtt/CompressorDXT1.h

@@ -2,7 +2,6 @@
 namespace nv {
 
     class Color32;
-    struct ColorBlock;
     struct BlockDXT1;
     class Vector3;
     class Vector4;