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      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/geometry/rect_f.h"
      6 
      7 #include <algorithm>
      8 
      9 #include "base/logging.h"
     10 #include "base/strings/stringprintf.h"
     11 #include "ui/gfx/geometry/insets_f.h"
     12 #include "ui/gfx/geometry/rect_base_impl.h"
     13 #include "ui/gfx/geometry/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 IntersectRects(const RectF& a, const RectF& b) {
     35   RectF result = a;
     36   result.Intersect(b);
     37   return result;
     38 }
     39 
     40 RectF UnionRects(const RectF& a, const RectF& b) {
     41   RectF result = a;
     42   result.Union(b);
     43   return result;
     44 }
     45 
     46 RectF SubtractRects(const RectF& a, const RectF& b) {
     47   RectF result = a;
     48   result.Subtract(b);
     49   return result;
     50 }
     51 
     52 RectF BoundingRect(const PointF& p1, const PointF& p2) {
     53   float rx = std::min(p1.x(), p2.x());
     54   float ry = std::min(p1.y(), p2.y());
     55   float rr = std::max(p1.x(), p2.x());
     56   float rb = std::max(p1.y(), p2.y());
     57   return RectF(rx, ry, rr - rx, rb - ry);
     58 }
     59 
     60 }  // namespace gfx
     61