Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

skia/ext/image_operations.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 #define _USE_MATH_DEFINES
 #include <cmath>
 #include <limits>
 #include <vector>
 
-#include "base/gfx/image_operations.h"
+#include "skia/ext/image_operations.h"
 
-#include "base/gfx/convolver.h"
 #include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "base/logging.h"
 #include "base/stack_container.h"
+#include "skia/ext/convolver.h"
 #include "SkBitmap.h"
 
-namespace gfx {
+// TODO(brettw) this should be removed when the base/gfx dependencies are
+// removed.
+using namespace gfx;
+
+namespace skia {
 
 namespace {
 
 // Returns the ceiling/floor as an integer.
 inline int CeilInt(float val) {
   return static_cast<int>(ceil(val));
 }
 inline int FloorInt(float val) {
   return static_cast<int>(floor(val));
 }
@@ skipping 76 matching lines @@
                       int dest_subset_lo, int dest_subset_size,
                       float scale, float src_support,
                       ConvolusionFilter1D* output);
 
   // Computes the filter value given the coordinate in filter space.
   inline float ComputeFilter(float pos) {
     switch (method_) {
       case ImageOperations::RESIZE_BOX:
         return EvalBox(pos);
       case ImageOperations::RESIZE_LANCZOS3:
-        return EvalLanczos(3, pos);
+        return EvalLanczos(2, pos);
       default:
         NOTREACHED();
         return 0;
     }
   }
 
   ImageOperations::ResizeMethod method_;
 
   // Subset of source the filters will touch.
   Rect src_depend_;
@@ skipping 224 matching lines @@
           SkColorGetB(first_pixel) * first_alpha +
           SkColorGetB(second_pixel) * alpha);
 
       dst_row[x] = SkColorSetARGB(a, r, g, b);
     }
   }
 
   return blended;
 }
 
-}  // namespace gfx
+}  // namespace skia