gfx: Don't template gfx::Rect and gfx::RectF

ui/gfx/geometry/rect_f.cc

 // Copyright (c) 2012 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.
 
 #include "ui/gfx/geometry/rect_f.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "ui/gfx/geometry/insets_f.h"
-#include "ui/gfx/geometry/rect_base_impl.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 
 namespace gfx {
 
-template class RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float>;
-
-typedef class RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF,
-                       float> RectBaseT;
+static void AdjustAlongAxis(float dst_origin,
+                            float dst_size,
+                            float* origin,
+                            float* size) {
+  *size = std::min(dst_size, *size);
+  if (*origin < dst_origin)
+    *origin = dst_origin;
+  else
+    *origin = std::min(dst_origin + dst_size, *origin + *size) - *size;
+}
+
+void RectF::Inset(const InsetsF& insets) {
+  Inset(insets.left(), insets.top(), insets.right(), insets.bottom());
+}
+
+void RectF::Inset(float left, float top, float right, float bottom) {
+  origin_ += Vector2dF(left, top);
+  set_width(std::max(width() - left - right, static_cast<float>(0)));
+  set_height(std::max(height() - top - bottom, static_cast<float>(0)));
+}
+
+void RectF::Offset(float horizontal, float vertical) {
+  origin_ += Vector2dF(horizontal, vertical);
+}
+
+void RectF::operator+=(const Vector2dF& offset) {
+  origin_ += offset;
+}
+
+void RectF::operator-=(const Vector2dF& offset) {
+  origin_ -= offset;
+}
+
+InsetsF RectF::InsetsFrom(const RectF& inner) const {
+  return InsetsF(inner.y() - y(),
+                 inner.x() - x(),
+                 bottom() - inner.bottom(),
+                 right() - inner.right());
+}
+
+bool RectF::operator<(const RectF& other) const {
+  if (origin_ == other.origin_) {
+    if (width() == other.width()) {
+      return height() < other.height();
+    } else {
+      return width() < other.width();
+    }
+  } else {
+    return origin_ < other.origin_;
+  }
+}
+
+bool RectF::Contains(float point_x, float point_y) const {
+  return (point_x >= x()) && (point_x < right()) && (point_y >= y()) &&
+         (point_y < bottom());
+}
+
+bool RectF::Contains(const RectF& rect) const {
+  return (rect.x() >= x() && rect.right() <= right() && rect.y() >= y() &&
+          rect.bottom() <= bottom());
+}
+
+bool RectF::Intersects(const RectF& rect) const {
+  return !(IsEmpty() || rect.IsEmpty() || rect.x() >= right() ||
+           rect.right() <= x() || rect.y() >= bottom() || rect.bottom() <= y());
+}
+
+void RectF::Intersect(const RectF& rect) {
+  if (IsEmpty() || rect.IsEmpty()) {
+    SetRect(0, 0, 0, 0);
+    return;
+  }
+
+  float rx = std::max(x(), rect.x());
+  float ry = std::max(y(), rect.y());
+  float rr = std::min(right(), rect.right());
+  float rb = std::min(bottom(), rect.bottom());
+
+  if (rx >= rr || ry >= rb)
+    rx = ry = rr = rb = 0;  // non-intersecting
+
+  SetRect(rx, ry, rr - rx, rb - ry);
+}
+
+void RectF::Union(const RectF& rect) {
+  if (IsEmpty()) {
+    *this = rect;
+    return;
+  }
+  if (rect.IsEmpty())
+    return;
+
+  float rx = std::min(x(), rect.x());
+  float ry = std::min(y(), rect.y());
+  float rr = std::max(right(), rect.right());
+  float rb = std::max(bottom(), rect.bottom());
+
+  SetRect(rx, ry, rr - rx, rb - ry);
+}
+
+void RectF::Subtract(const RectF& rect) {
+  if (!Intersects(rect))
+    return;
+  if (rect.Contains(*static_cast<const RectF*>(this))) {
+    SetRect(0, 0, 0, 0);
+    return;
+  }
+
+  float rx = x();
+  float ry = y();
+  float rr = right();
+  float rb = bottom();
+
+  if (rect.y() <= y() && rect.bottom() >= bottom()) {
+    // complete intersection in the y-direction
+    if (rect.x() <= x()) {
+      rx = rect.right();
+    } else if (rect.right() >= right()) {
+      rr = rect.x();
+    }
+  } else if (rect.x() <= x() && rect.right() >= right()) {
+    // complete intersection in the x-direction
+    if (rect.y() <= y()) {
+      ry = rect.bottom();
+    } else if (rect.bottom() >= bottom()) {
+      rb = rect.y();
+    }
+  }
+  SetRect(rx, ry, rr - rx, rb - ry);
+}
+
+void RectF::AdjustToFit(const RectF& rect) {
+  float new_x = x();
+  float new_y = y();
+  float new_width = width();
+  float new_height = height();
+  AdjustAlongAxis(rect.x(), rect.width(), &new_x, &new_width);
+  AdjustAlongAxis(rect.y(), rect.height(), &new_y, &new_height);
+  SetRect(new_x, new_y, new_width, new_height);
+}
+
+PointF RectF::CenterPoint() const {
+  return PointF(x() + width() / 2, y() + height() / 2);
+}
+
+void RectF::ClampToCenteredSize(const SizeF& size) {
+  float new_width = std::min(width(), size.width());
+  float new_height = std::min(height(), size.height());
+  float new_x = x() + (width() - new_width) / 2;
+  float new_y = y() + (height() - new_height) / 2;
+  SetRect(new_x, new_y, new_width, new_height);
+}
+
+void RectF::SplitVertically(RectF* left_half, RectF* right_half) const {
+  DCHECK(left_half);
+  DCHECK(right_half);
+
+  left_half->SetRect(x(), y(), width() / 2, height());
+  right_half->SetRect(
+      left_half->right(), y(), width() - left_half->width(), height());
+}
+
+bool RectF::SharesEdgeWith(const RectF& rect) const {
+  return (y() == rect.y() && height() == rect.height() &&
+          (x() == rect.right() || right() == rect.x())) ||
+         (x() == rect.x() && width() == rect.width() &&
+          (y() == rect.bottom() || bottom() == rect.y()));
+}
+
+float RectF::ManhattanDistanceToPoint(const PointF& point) const {
+  float x_distance =
+      std::max<float>(0, std::max(x() - point.x(), point.x() - right()));
+  float y_distance =
+      std::max<float>(0, std::max(y() - point.y(), point.y() - bottom()));
+
+  return x_distance + y_distance;
+}
+
+float RectF::ManhattanInternalDistance(const RectF& rect) const {
+  RectF c(*this);
+  c.Union(rect);
+
+  static const float kEpsilon = std::numeric_limits<float>::is_integer
+                                    ? 1
+                                    : std::numeric_limits<float>::epsilon();
+
+  float x = std::max<float>(0, c.width() - width() - rect.width() + kEpsilon);
+  float y =
+      std::max<float>(0, c.height() - height() - rect.height() + kEpsilon);
+  return x + y;
+}
 
 bool RectF::IsExpressibleAsRect() const {
   return IsExpressibleAsInt(x()) && IsExpressibleAsInt(y()) &&
       IsExpressibleAsInt(width()) && IsExpressibleAsInt(height()) &&
       IsExpressibleAsInt(right()) && IsExpressibleAsInt(bottom());
 }
 
 std::string RectF::ToString() const {
   return base::StringPrintf("%s %s",
                             origin().ToString().c_str(),
@@ skipping 20 matching lines @@
 
 RectF BoundingRect(const PointF& p1, const PointF& p2) {
   float rx = std::min(p1.x(), p2.x());
   float ry = std::min(p1.y(), p2.y());
   float rr = std::max(p1.x(), p2.x());
   float rb = std::max(p1.y(), p2.y());
   return RectF(rx, ry, rr - rx, rb - ry);
 }
 
 }  // namespace gfx