Remove base dependency from image_operations and associated unittests. I also renamed the namespace from "gfx" to "skia".

This also adds back the image_operations_unittest to a project (this had gotten lost in my move).
Review URL: http://codereview.chromium.org/13143

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6706 0039d316-1c4b-4281-b951-d872f2087c98

6 files changed, 121 insertions, 134 deletions

diff --git a/skia/ext/convolver.cc b/skia/ext/convolver.cc
index f5a429a..d7ef34b 100644
--- a/skia/ext/convolver.cc
+++ b/skia/ext/convolver.cc
@@ -4,18 +4,16 @@
 
 #include <algorithm>
 
-#include "base/basictypes.h"
-#include "base/logging.h"
 #include "skia/ext/convolver.h"
 
-namespace gfx {
+namespace skia {
 
 namespace {
 
 // Converts the argument to an 8-bit unsigned value by clamping to the range
 // 0-255.
-inline uint8 ClampTo8(int32 a) {
-  if (static_cast<uint32>(a) < 256)
+inline unsigned int ClampTo8(int a) {
+  if (static_cast<int>(a) < 256)
     return a;  // Avoid the extra check in the common case.
   if (a < 0)
     return 0;
@@ -45,8 +43,8 @@ class CircularRowBuffer {
 
   // Moves to the next row in the buffer, returning a pointer to the beginning
   // of it.
-  uint8* AdvanceRow() {
-    uint8* row = &buffer_[next_row_ * row_byte_width_];
+  unsigned char* AdvanceRow() {
+    unsigned char* row = &buffer_[next_row_ * row_byte_width_];
     next_row_coordinate_++;
 
     // Set the pointer to the next row to use, wrapping around if necessary.
@@ -62,7 +60,7 @@ class CircularRowBuffer {
   //
   // The |first_row_index_| may be negative. This means the circular buffer
   // starts before the top of the image (it hasn't been filled yet).
-  uint8* const* GetRowAddresses(int* first_row_index) {
+  unsigned char* const* GetRowAddresses(int* first_row_index) {
     // Example for a 4-element circular buffer holding coords 6-9.
     //   Row 0   Coord 8
     //   Row 1   Coord 9
@@ -89,7 +87,7 @@ class CircularRowBuffer {
 
  private:
   // The buffer storing the rows. They are packed, each one row_byte_width_.
-  std::vector<uint8> buffer_;
+  std::vector<unsigned char> buffer_;
 
   // Number of bytes per row in the |buffer_|.
   int row_byte_width_;
@@ -106,13 +104,13 @@ class CircularRowBuffer {
   int next_row_coordinate_;
 
   // Buffer used by GetRowAddresses().
-  std::vector<uint8*> row_addresses_;
+  std::vector<unsigned char*> row_addresses_;
 };
 
 // Convolves horizontally along a single row. The row data is given in
 // |src_data| and continues for the num_values() of the filter.
 template<bool has_alpha>
-void ConvolveHorizontally(const uint8* src_data,
+void ConvolveHorizontally(const unsigned char* src_data,
                           const ConvolusionFilter1D& filter,
                           unsigned char* out_row) {
   // Loop over each pixel on this row in the output image.
@@ -120,17 +118,17 @@ void ConvolveHorizontally(const uint8* src_data,
   for (int out_x = 0; out_x < num_values; out_x++) {
     // Get the filter that determines the current output pixel.
     int filter_offset, filter_length;
-    const int16* filter_values =
+    const short* filter_values =
         filter.FilterForValue(out_x, &filter_offset, &filter_length);
 
     // Compute the first pixel in this row that the filter affects. It will
     // touch |filter_length| pixels (4 bytes each) after this.
-    const uint8* row_to_filter = &src_data[filter_offset * 4];
+    const unsigned char* row_to_filter = &src_data[filter_offset * 4];
 
     // Apply the filter to the row to get the destination pixel in |accum|.
-    int32 accum[4] = {0};
+    int accum[4] = {0};
     for (int filter_x = 0; filter_x < filter_length; filter_x++) {
-      int16 cur_filter = filter_values[filter_x];
+      short cur_filter = filter_values[filter_x];
       accum[0] += cur_filter * row_to_filter[filter_x * 4 + 0];
       accum[1] += cur_filter * row_to_filter[filter_x * 4 + 1];
       accum[2] += cur_filter * row_to_filter[filter_x * 4 + 2];
@@ -162,11 +160,11 @@ void ConvolveHorizontally(const uint8* src_data,
 //
 // The output must have room for |pixel_width * 4| bytes.
 template<bool has_alpha>
-void ConvolveVertically(const int16* filter_values,
+void ConvolveVertically(const short* filter_values,
                         int filter_length,
-                        uint8* const* source_data_rows,
+                        unsigned char* const* source_data_rows,
                         int pixel_width,
-                        uint8* out_row) {
+                        unsigned char* out_row) {
   // We go through each column in the output and do a vertical convolusion,
   // generating one output pixel each time.
   for (int out_x = 0; out_x < pixel_width; out_x++) {
@@ -175,9 +173,9 @@ void ConvolveVertically(const int16* filter_values,
     int byte_offset = out_x * 4;
 
     // Apply the filter to one column of pixels.
-    int32 accum[4] = {0};
+    int accum[4] = {0};
     for (int filter_y = 0; filter_y < filter_length; filter_y++) {
-      int16 cur_filter = filter_values[filter_y];
+      short cur_filter = filter_values[filter_y];
       accum[0] += cur_filter * source_data_rows[filter_y][byte_offset + 0];
       accum[1] += cur_filter * source_data_rows[filter_y][byte_offset + 1];
       accum[2] += cur_filter * source_data_rows[filter_y][byte_offset + 2];
@@ -198,7 +196,7 @@ void ConvolveVertically(const int16* filter_values,
     out_row[byte_offset + 1] = ClampTo8(accum[1]);
     out_row[byte_offset + 2] = ClampTo8(accum[2]);
     if (has_alpha) {
-      uint8 alpha = ClampTo8(accum[3]);
+      unsigned char alpha = ClampTo8(accum[3]);
 
       // Make sure the alpha channel doesn't come out larger than any of the
       // color channels. We use premultipled alpha channels, so this should
@@ -233,7 +231,7 @@ void ConvolusionFilter1D::AddFilter(int filter_offset,
   instance.length = filter_length;
   filters_.push_back(instance);
 
-  DCHECK(filter_length > 0);
+  SkASSERT(filter_length > 0);
   for (int i = 0; i < filter_length; i++)
     filter_values_.push_back(FloatToFixed(filter_values[i]));
 
@@ -241,7 +239,7 @@ void ConvolusionFilter1D::AddFilter(int filter_offset,
 }
 
 void ConvolusionFilter1D::AddFilter(int filter_offset,
-                                    const int16* filter_values,
+                                    const short* filter_values,
                                     int filter_length) {
   FilterInstance instance;
   instance.data_location = static_cast<int>(filter_values_.size());
@@ -249,7 +247,7 @@ void ConvolusionFilter1D::AddFilter(int filter_offset,
   instance.length = filter_length;
   filters_.push_back(instance);
 
-  DCHECK(filter_length > 0);
+  SkASSERT(filter_length > 0);
   for (int i = 0; i < filter_length; i++)
     filter_values_.push_back(filter_values[i]);
 
@@ -258,12 +256,12 @@ void ConvolusionFilter1D::AddFilter(int filter_offset,
 
 // BGRAConvolve2D -------------------------------------------------------------
 
-void BGRAConvolve2D(const uint8* source_data,
+void BGRAConvolve2D(const unsigned char* source_data,
                     int source_byte_row_stride,
                     bool source_has_alpha,
                     const ConvolusionFilter1D& filter_x,
                     const ConvolusionFilter1D& filter_y,
-                    uint8* output) {
+                    unsigned char* output) {
   int max_y_filter_size = filter_y.max_filter();
 
   // The next row in the input that we will generate a horizontally
@@ -272,7 +270,7 @@ void BGRAConvolve2D(const uint8* source_data,
   // don't want to generate any output rows before that. Compute the starting
   // row for convolusion as the first pixel for the first vertical filter.
   int filter_offset, filter_length;
-  const int16* filter_values =
+  const short* filter_values =
       filter_y.FilterForValue(0, &filter_offset, &filter_length);
   int next_x_row = filter_offset;
 
@@ -307,16 +305,16 @@ void BGRAConvolve2D(const uint8* source_data,
     }
 
     // Compute where in the output image this row of final data will go.
-    uint8* cur_output_row = &output[out_y * output_row_byte_width];
+    unsigned char* cur_output_row = &output[out_y * output_row_byte_width];
 
     // Get the list of rows that the circular buffer has, in order.
     int first_row_in_circular_buffer;
-    uint8* const* rows_to_convolve =
+    unsigned char* const* rows_to_convolve =
         row_buffer.GetRowAddresses(&first_row_in_circular_buffer);
 
     // Now compute the start of the subset of those rows that the filter
     // needs.
-    uint8* const* first_row_for_filter =
+    unsigned char* const* first_row_for_filter =
         &rows_to_convolve[filter_offset - first_row_in_circular_buffer];
 
     if (source_has_alpha) {
diff --git a/skia/ext/convolver.h b/skia/ext/convolver.h
index 3ae84cd..7e9749a 100644
--- a/skia/ext/convolver.h
+++ b/skia/ext/convolver.h
@@ -7,14 +7,12 @@
 
 #include <vector>
 
-#include "base/basictypes.h"
-
 // avoid confusion with Mac OS X's math library (Carbon)
 #if defined(OS_MACOSX)
 #undef FloatToFixed
 #endif
 
-namespace gfx {
+namespace skia {
 
 // Represents a filter in one dimension. Each output pixel has one entry in this
 // object for the filter values contributing to it. You build up the filter
@@ -33,10 +31,10 @@ class ConvolusionFilter1D {
   }
 
   // Convert between floating point and our fixed point representation.
-  static inline int16 FloatToFixed(float f) {
-    return static_cast<int16>(f * (1 << kShiftBits));
+  static short FloatToFixed(float f) {
+    return static_cast<short>(f * (1 << kShiftBits));
   }
-  static inline unsigned char FixedToChar(int16 x) {
+  static unsigned char FixedToChar(short x) {
     return static_cast<unsigned char>(x >> kShiftBits);
   }
 
@@ -65,7 +63,7 @@ class ConvolusionFilter1D {
 
   // Same as the above version, but the input is already fixed point.
   void AddFilter(int filter_offset,
-                 const int16* filter_values,
+                 const short* filter_values,
                  int filter_length);
 
   // Retrieves a filter for the given |value_offset|, a position in the output
@@ -73,7 +71,7 @@ class ConvolusionFilter1D {
   // filter values are put into the corresponding out arguments (see AddFilter
   // above for what these mean), and a pointer to the first scaling factor is
   // returned. There will be |filter_length| values in this array.
-  inline const int16* FilterForValue(int value_offset,
+  inline const short* FilterForValue(int value_offset,
                                      int* filter_offset,
                                      int* filter_length) const {
     const FilterInstance& filter = filters_[value_offset];
@@ -100,7 +98,7 @@ class ConvolusionFilter1D {
   // We store all the filter values in this flat list, indexed by
   // |FilterInstance.data_location| to avoid the mallocs required for storing
   // each one separately.
-  std::vector<int16> filter_values_;
+  std::vector<short> filter_values_;
 
   // The maximum size of any filter we've added.
   int max_filter_;
@@ -124,14 +122,14 @@ class ConvolusionFilter1D {
 //
 // The layout in memory is assumed to be 4-bytes per pixel in B-G-R-A order
 // (this is ARGB when loaded into 32-bit words on a little-endian machine).
-void BGRAConvolve2D(const uint8* source_data,
+void BGRAConvolve2D(const unsigned char* source_data,
                     int source_byte_row_stride,
                     bool source_has_alpha,
                     const ConvolusionFilter1D& xfilter,
                     const ConvolusionFilter1D& yfilter,
-                    uint8* output);
+                    unsigned char* output);
 
-}  // namespace gfx
+}  // namespace skia
 
 #endif  // SKIA_EXT_CONVOLVER_H_
 
diff --git a/skia/ext/convolver_unittest.cc b/skia/ext/convolver_unittest.cc
index 6f85552..7ca1567 100644
--- a/skia/ext/convolver_unittest.cc
+++ b/skia/ext/convolver_unittest.cc
@@ -9,7 +9,7 @@
 #include "skia/ext/convolver.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace gfx {
+namespace skia {
 
 namespace {
 
diff --git a/skia/ext/image_operations.cc b/skia/ext/image_operations.cc
index 5e6c3ab..fb0bd40 100644
--- a/skia/ext/image_operations.cc
+++ b/skia/ext/image_operations.cc
@@ -9,14 +9,11 @@
 
 #include "skia/ext/image_operations.h"
 
-#include "base/gfx/rect.h"
-#include "base/gfx/size.h"
-#include "base/logging.h"
-#include "base/stack_container.h"
 #include "SkBitmap.h"
+#include "SkRect.h"
 #include "skia/ext/convolver.h"
 
-namespace gfx {
+namespace skia {
 
 namespace {
 
@@ -62,13 +59,13 @@ float EvalLanczos(int filter_size, float x) {
 class ResizeFilter {
  public:
   ResizeFilter(ImageOperations::ResizeMethod method,
-               const Size& src_full_size,
-               const Size& dest_size,
-               const Rect& dest_subset);
+               int src_full_width, int src_full_height,
+               int dest_width, int dest_height,
+               const SkIRect& dest_subset);
 
   // Returns the bounds in the input bitmap of data that is used in the output.
   // The filter offsets are within this rectangle.
-  const Rect& src_depend() { return src_depend_; }
+  const SkIRect& src_depend() { return src_depend_; }
 
   // Returns the filled filter values.
   const ConvolusionFilter1D& x_filter() { return x_filter_; }
@@ -87,7 +84,7 @@ class ResizeFilter {
         // each direction as the size of the window = 3 for Lanczos3.
         return 3.0f;
       default:
-        NOTREACHED();
+        SkASSERT(false);
         return 1.0f;
     }
   }
@@ -115,7 +112,7 @@ class ResizeFilter {
       case ImageOperations::RESIZE_LANCZOS3:
         return EvalLanczos(3, pos);
       default:
-        NOTREACHED();
+        SkASSERT(false);
         return 0;
     }
   }
@@ -123,7 +120,7 @@ class ResizeFilter {
   ImageOperations::ResizeMethod method_;
 
   // Subset of source the filters will touch.
-  Rect src_depend_;
+  SkIRect src_depend_;
 
   // Size of the filter support on one side only in the destination space.
   // See GetFilterSupport.
@@ -131,40 +128,38 @@ class ResizeFilter {
   float y_filter_support_;
 
   // Subset of scaled destination bitmap to compute.
-  Rect out_bounds_;
+  SkIRect out_bounds_;
 
   ConvolusionFilter1D x_filter_;
   ConvolusionFilter1D y_filter_;
-
-  DISALLOW_EVIL_CONSTRUCTORS(ResizeFilter);
 };
 
 ResizeFilter::ResizeFilter(ImageOperations::ResizeMethod method,
-                           const Size& src_full_size,
-                           const Size& dest_size,
-                           const Rect& dest_subset)
+                           int src_full_width, int src_full_height,
+                           int dest_width, int dest_height,
+                           const SkIRect& dest_subset)
     : method_(method),
       out_bounds_(dest_subset) {
-  float scale_x = static_cast<float>(dest_size.width()) /
-                  static_cast<float>(src_full_size.width());
-  float scale_y = static_cast<float>(dest_size.height()) /
-                  static_cast<float>(src_full_size.height());
+  float scale_x = static_cast<float>(dest_width) /
+                  static_cast<float>(src_full_width);
+  float scale_y = static_cast<float>(dest_height) /
+                  static_cast<float>(src_full_height);
 
   x_filter_support_ = GetFilterSupport(scale_x);
   y_filter_support_ = GetFilterSupport(scale_y);
 
-  gfx::Rect src_full(0, 0, src_full_size.width(), src_full_size.height());
-  gfx::Rect dest_full(0, 0,
-                      static_cast<int>(src_full_size.width() * scale_x + 0.5),
-                      static_cast<int>(src_full_size.height() * scale_y + 0.5));
+  SkIRect src_full = {0, 0, src_full_width, src_full_height};
+  SkIRect dest_full = {0, 0,
+                       static_cast<int>(src_full_width * scale_x + 0.5),
+                       static_cast<int>(src_full_height * scale_y + 0.5)};
 
   // Support of the filter in source space.
   float src_x_support = x_filter_support_ / scale_x;
   float src_y_support = y_filter_support_ / scale_y;
 
-  ComputeFilters(src_full_size.width(), dest_subset.x(), dest_subset.width(),
+  ComputeFilters(src_full_width, dest_subset.fLeft, dest_subset.width(),
                  scale_x, src_x_support, &x_filter_);
-  ComputeFilters(src_full_size.height(), dest_subset.y(), dest_subset.height(),
+  ComputeFilters(src_full_height, dest_subset.fTop, dest_subset.height(),
                  scale_y, src_y_support, &y_filter_);
 }
 
@@ -184,8 +179,10 @@ void ResizeFilter::ComputeFilters(int src_size,
   // Speed up the divisions below by turning them into multiplies.
   float inv_scale = 1.0f / scale;
 
-  StackVector<float, 64> filter_values;
-  StackVector<int16, 64> fixed_filter_values;
+  std::vector<float> filter_values;
+  filter_values.reserve(64);
+  std::vector<short> fixed_filter_values;
+  fixed_filter_values.reserve(64);
 
   // Loop over all pixels in the output range. We will generate one set of
   // filter values for each one. Those values will tell us how to blend the
@@ -194,8 +191,8 @@ void ResizeFilter::ComputeFilters(int src_size,
        dest_subset_i++) {
     // Reset the arrays. We don't declare them inside so they can re-use the
     // same malloc-ed buffer.
-    filter_values->clear();
-    fixed_filter_values->clear();
+    filter_values.clear();
+    fixed_filter_values.clear();
 
     // This is the pixel in the source directly under the pixel in the dest.
     float src_pixel = dest_subset_i * inv_scale;
@@ -218,19 +215,19 @@ void ResizeFilter::ComputeFilters(int src_size,
 
       // Compute the filter value at that location.
       float filter_value = ComputeFilter(dest_filter_pos);
-      filter_values->push_back(filter_value);
+      filter_values.push_back(filter_value);
 
       filter_sum += filter_value;
     }
-    DCHECK(!filter_values->empty()) << "We should always get a filter!";
+    SkASSERT(!filter_values->empty());
 
     // The filter must be normalized so that we don't affect the brightness of
     // the image. Convert to normalized fixed point.
-    int16 fixed_sum = 0;
-    for (size_t i = 0; i < filter_values->size(); i++) {
-      int16 cur_fixed = output->FloatToFixed(filter_values[i] / filter_sum);
+    short fixed_sum = 0;
+    for (size_t i = 0; i < filter_values.size(); i++) {
+      short cur_fixed = output->FloatToFixed(filter_values[i] / filter_sum);
       fixed_sum += cur_fixed;
-      fixed_filter_values->push_back(cur_fixed);
+      fixed_filter_values.push_back(cur_fixed);
     }
 
     // The conversion to fixed point will leave some rounding errors, which
@@ -238,12 +235,12 @@ void ResizeFilter::ComputeFilters(int src_size,
     // arbitrarily add this to the center of the filter array (this won't always
     // be the center of the filter function since it could get clipped on the
     // edges, but it doesn't matter enough to worry about that case).
-    int16 leftovers = output->FloatToFixed(1.0f) - fixed_sum;
-    fixed_filter_values[fixed_filter_values->size() / 2] += leftovers;
+    short leftovers = output->FloatToFixed(1.0f) - fixed_sum;
+    fixed_filter_values[fixed_filter_values.size() / 2] += leftovers;
 
     // Now it's ready to go.
     output->AddFilter(src_begin, &fixed_filter_values[0],
-                      static_cast<int>(fixed_filter_values->size()));
+                      static_cast<int>(fixed_filter_values.size()));
   }
 }
 
@@ -254,27 +251,24 @@ void ResizeFilter::ComputeFilters(int src_size,
 // static
 SkBitmap ImageOperations::Resize(const SkBitmap& source,
                                  ResizeMethod method,
-                                 const Size& dest_size,
-                                 const Rect& dest_subset) {
-  DCHECK(Rect(dest_size.width(), dest_size.height()).Contains(dest_subset)) <<
-      "The supplied subset does not fall within the destination image.";
-
+                                 int dest_width, int dest_height,
+                                 const SkIRect& dest_subset) {
   // If the size of source or destination is 0, i.e. 0x0, 0xN or Nx0, just
   // return empty
   if (source.width() < 1 || source.height() < 1 ||
-      dest_size.width() < 1 || dest_size.height() < 1)
-      return SkBitmap();
+      dest_width < 1 || dest_height < 1)
+    return SkBitmap();
 
   SkAutoLockPixels locker(source);
 
-  ResizeFilter filter(method, Size(source.width(), source.height()),
-                      dest_size, dest_subset);
+  ResizeFilter filter(method, source.width(), source.height(),
+                      dest_width, dest_height, dest_subset);
 
   // Get a source bitmap encompassing this touched area. We construct the
   // offsets and row strides such that it looks like a new bitmap, while
   // referring to the old data.
-  const uint8* source_subset =
-      reinterpret_cast<const uint8*>(source.getPixels());
+  const unsigned char* source_subset =
+      reinterpret_cast<const unsigned char*>(source.getPixels());
 
   // Convolve into the result.
   SkBitmap result;
@@ -294,29 +288,28 @@ SkBitmap ImageOperations::Resize(const SkBitmap& source,
 // static
 SkBitmap ImageOperations::Resize(const SkBitmap& source,
                                  ResizeMethod method,
-                                 const Size& dest_size) {
-  Rect dest_subset(0, 0, dest_size.width(), dest_size.height());
-  return Resize(source, method, dest_size, dest_subset);
+                                 int dest_width, int dest_height) {
+  SkIRect dest_subset = {0, 0, dest_width, dest_height};
+  return Resize(source, method, dest_width, dest_height, dest_subset);
 }
 
 // static
 SkBitmap ImageOperations::CreateBlendedBitmap(const SkBitmap& first,
                                               const SkBitmap& second,
                                               double alpha) {
-  DCHECK(alpha <= 1 && alpha >= 0);
-  DCHECK(first.width() == second.width());
-  DCHECK(first.height() == second.height());
-  DCHECK(first.bytesPerPixel() == second.bytesPerPixel());
-  DCHECK(first.config() == SkBitmap::kARGB_8888_Config);
+  SkASSERT(alpha <= 1 && alpha >= 0);
+  SkASSERT(first.width() == second.width());
+  SkASSERT(first.height() == second.height());
+  SkASSERT(first.bytesPerPixel() == second.bytesPerPixel());
+  SkASSERT(first.config() == SkBitmap::kARGB_8888_Config);
 
   // Optimize for case where we won't need to blend anything.
   static const double alpha_min = 1.0 / 255;
   static const double alpha_max = 254.0 / 255;
-  if (alpha < alpha_min) {
+  if (alpha < alpha_min)
     return first;
-  } else if (alpha > alpha_max) {
+  else if (alpha > alpha_max)
     return second;
-  }
 
   SkAutoLockPixels lock_first(first);
   SkAutoLockPixels lock_second(second);
@@ -330,13 +323,13 @@ SkBitmap ImageOperations::CreateBlendedBitmap(const SkBitmap& first,
   double first_alpha = 1 - alpha;
 
   for (int y = 0; y < first.height(); y++) {
-    uint32* first_row = first.getAddr32(0, y);
-    uint32* second_row = second.getAddr32(0, y);
-    uint32* dst_row = blended.getAddr32(0, y);
+    uint32_t* first_row = first.getAddr32(0, y);
+    uint32_t* second_row = second.getAddr32(0, y);
+    uint32_t* dst_row = blended.getAddr32(0, y);
 
     for (int x = 0; x < first.width(); x++) {
-      uint32 first_pixel = first_row[x];
-      uint32 second_pixel = second_row[x];
+      uint32_t first_pixel = first_row[x];
+      uint32_t second_pixel = second_row[x];
 
       int a = static_cast<int>(
           SkColorGetA(first_pixel) * first_alpha +
@@ -358,5 +351,4 @@ SkBitmap ImageOperations::CreateBlendedBitmap(const SkBitmap& first,
   return blended;
 }
 
-}  // namespace gfx
-
+}  // namespace skia
diff --git a/skia/ext/image_operations.h b/skia/ext/image_operations.h
index 73c6b53..22d5320 100644
--- a/skia/ext/image_operations.h
+++ b/skia/ext/image_operations.h
@@ -5,12 +5,10 @@
 #ifndef SKIA_EXT_IMAGE_OPERATIONS_H_
 #define SKIA_EXT_IMAGE_OPERATIONS_H_
 
-#include "base/basictypes.h"
-#include "base/gfx/rect.h"
-
 class SkBitmap;
+struct SkIRect;
 
-namespace gfx {
+namespace skia {
 
 class ImageOperations {
  public:
@@ -37,14 +35,14 @@ class ImageOperations {
   // The destination subset must be smaller than the destination image.
   static SkBitmap Resize(const SkBitmap& source,
                          ResizeMethod method,
-                         const Size& dest_size,
-                         const Rect& dest_subset);
+                         int dest_width, int dest_height,
+                         const SkIRect& dest_subset);
 
   // Alternate version for resizing and returning the entire bitmap rather than
   // a subset.
   static SkBitmap Resize(const SkBitmap& source,
                          ResizeMethod method,
-                         const Size& dest_size);
+                         int dest_width, int dest_height);
 
 
   // Create a bitmap that is a blend of two others. The alpha argument
@@ -57,7 +55,6 @@ class ImageOperations {
   ImageOperations();  // Class for scoping only.
 };
 
-}  // namespace gfx
-
-#endif  // SKIA_EXT_IMAGE_OPERATIONS_H__
+}  // namespace skia
 
+#endif  // SKIA_EXT_IMAGE_OPERATIONS_H_
diff --git a/skia/ext/image_operations_unittest.cc b/skia/ext/image_operations_unittest.cc
index e6ecda9..c8f365f 100644
--- a/skia/ext/image_operations_unittest.cc
+++ b/skia/ext/image_operations_unittest.cc
@@ -6,7 +6,9 @@
 
 #include "skia/ext/image_operations.h"
 #include "testing/gtest/include/gtest/gtest.h"
+
 #include "SkBitmap.h"
+#include "SkRect.h"
 
 namespace {
 
@@ -67,8 +69,8 @@ TEST(ImageOperations, Halve) {
   FillDataToBitmap(src_w, src_h, &src);
 
   // Do a halving of the full bitmap.
-  SkBitmap actual_results = gfx::ImageOperations::Resize(
-      src, gfx::ImageOperations::RESIZE_BOX, gfx::Size(src_w / 2, src_h / 2));
+  SkBitmap actual_results = skia::ImageOperations::Resize(
+      src, skia::ImageOperations::RESIZE_BOX, src_w / 2, src_h / 2);
   ASSERT_EQ(src_w / 2, actual_results.width());
   ASSERT_EQ(src_h / 2, actual_results.height());
 
@@ -96,17 +98,17 @@ TEST(ImageOperations, HalveSubset) {
   FillDataToBitmap(src_w, src_h, &src);
 
   // Do a halving of the full bitmap.
-  SkBitmap full_results = gfx::ImageOperations::Resize(
-      src, gfx::ImageOperations::RESIZE_BOX, gfx::Size(src_w / 2, src_h / 2));
+  SkBitmap full_results = skia::ImageOperations::Resize(
+      src, skia::ImageOperations::RESIZE_BOX, src_w / 2, src_h / 2);
   ASSERT_EQ(src_w / 2, full_results.width());
   ASSERT_EQ(src_h / 2, full_results.height());
 
   // Now do a halving of a a subset, recall the destination subset is in the
   // destination coordinate system (max = half of the original image size).
-  gfx::Rect subset_rect(2, 3, 3, 6);
-  SkBitmap subset_results = gfx::ImageOperations::Resize(
-      src, gfx::ImageOperations::RESIZE_BOX,
-      gfx::Size(src_w / 2, src_h / 2), subset_rect);
+  SkIRect subset_rect = {2, 3, 5, 9};
+  SkBitmap subset_results = skia::ImageOperations::Resize(
+      src, skia::ImageOperations::RESIZE_BOX,
+      src_w / 2, src_h / 2, subset_rect);
   ASSERT_EQ(subset_rect.width(), subset_results.width());
   ASSERT_EQ(subset_rect.height(), subset_results.height());
 
@@ -117,7 +119,7 @@ TEST(ImageOperations, HalveSubset) {
   for (int y = 0; y < subset_rect.height(); y++) {
     for (int x = 0; x < subset_rect.width(); x++) {
       ASSERT_EQ(
-          *full_results.getAddr32(x + subset_rect.x(), y + subset_rect.y()),
+          *full_results.getAddr32(x + subset_rect.fLeft, y + subset_rect.fTop),
           *subset_results.getAddr32(x, y));
     }
   }
@@ -132,8 +134,8 @@ TEST(ImageOperations, ResampleToSame) {
 
   // Do a resize of the full bitmap to the same size. The lanczos filter is good
   // enough that we should get exactly the same image for output.
-  SkBitmap results = gfx::ImageOperations::Resize(
-      src, gfx::ImageOperations::RESIZE_LANCZOS3, gfx::Size(src_w, src_h));
+  SkBitmap results = skia::ImageOperations::Resize(
+      src, skia::ImageOperations::RESIZE_LANCZOS3, src_w, src_h);
   ASSERT_EQ(src_w, results.width());
   ASSERT_EQ(src_h, results.height());