content/common/page_zoom.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <cmath>
   6
   7 #include "content/public/common/page_zoom.h"
   8
   9 namespace content {
  10
  11 const double kMinimumZoomFactor = 0.25;
  12 const double kMaximumZoomFactor = 5.0;
  13 const double kEpsilon = 0.001;
  14
  15 bool ZoomValuesEqual(double value_a, double value_b) {
  16   return (std::fabs(value_a - value_b) <= kEpsilon);
  17 }
  18
  19 }  // namespace content