ui/gfx/rect_f.cc

   1 // Copyright (c) 2012 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 "ui/gfx/rect_f.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/logging.h"
  10 #include "base/stringprintf.h"
  11 #include "ui/gfx/insets_f.h"
  12 #include "ui/gfx/rect_base_impl.h"
  13 #include "ui/gfx/safe_integer_conversions.h"
  14
  15 namespace gfx {
  16
  17 template class RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float>;
  18
  19 typedef class RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF,
  20                        float> RectBaseT;
  21
  22 bool RectF::IsExpressibleAsRect() const {
  23   return IsExpressibleAsInt(x()) && IsExpressibleAsInt(y()) &&
  24       IsExpressibleAsInt(width()) && IsExpressibleAsInt(height()) &&
  25       IsExpressibleAsInt(right()) && IsExpressibleAsInt(bottom());
  26 }
  27
  28 std::string RectF::ToString() const {
  29   return base::StringPrintf("%s %s",
  30                             origin().ToString().c_str(),
  31                             size().ToString().c_str());
  32 }
  33
  34 RectF operator+(const RectF& lhs, const Vector2dF& rhs) {
  35   RectF result(lhs);
  36   result += rhs;
  37   return result;
  38 }
  39
  40 RectF operator-(const RectF& lhs, const Vector2dF& rhs) {
  41   RectF result(lhs);
  42   result -= rhs;
  43   return result;
  44 }
  45
  46 RectF IntersectRects(const RectF& a, const RectF& b) {
  47   RectF result = a;
  48   result.Intersect(b);
  49   return result;
  50 }
  51
  52 RectF UnionRects(const RectF& a, const RectF& b) {
  53   RectF result = a;
  54   result.Union(b);
  55   return result;
  56 }
  57
  58 RectF SubtractRects(const RectF& a, const RectF& b) {
  59   RectF result = a;
  60   result.Subtract(b);
  61   return result;
  62 }
  63
  64 RectF ScaleRect(const RectF& r, float x_scale, float y_scale) {
  65   RectF result = r;
  66   result.Scale(x_scale, y_scale);
  67   return result;
  68 }
  69
  70 RectF BoundingRect(const PointF& p1, const PointF& p2) {
  71   float rx = std::min(p1.x(), p2.x());
  72   float ry = std::min(p1.y(), p2.y());
  73   float rr = std::max(p1.x(), p2.x());
  74   float rb = std::max(p1.y(), p2.y());
  75   return RectF(rx, ry, rr - rx, rb - ry);
  76 }
  77
  78 }  // namespace gfx