cc: Use ui/gfx geometry types for the CCRenderPass and CCDrawQuad classes.

cc/math/int_rect.cc

+// Copyright 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 "cc/math/int_rect.h"
+
+#include <algorithm>
+
+using std::min;
+using std::max;
+
+namespace ccmath {
+
+bool IntRect::Contains(IntRect other) const {
+    return
+        x() <= other.x() && max_x() >= other.max_x() &&
+        y() <= other.y() && max_y() >= other.max_y();
+  }
+
+bool IntRect::IsEmpty() const {
+  return m_size.IsEmpty();
+}
+
+void IntRect::InflateX(float amount) {
+  set_x(x() + amount);
+}
+
+void IntRect::InflateY(float amount) {
+  set_y(y() + amount);
+}
+
+void IntRect::InflateWidth(float amount) {
+  set_width(width() + amount);
+}
+
+void IntRect::InflateHeight(float amount) {
+  set_height(height() + amount);
+}
+
+void IntRect::Intersect(IntRect other) {
+  int min_x = max(x(), other.x());
+  int min_y = max(y(), other.y());
+  int max_x = min(this->max_x(), other.max_x());
+  int max_y = min(this->max_y(), other.max_y());
+
+  set_x(min_x);
+  set_y(min_y);
+  set_width(max_x - min_x);
+  set_height(max_y - min_y);
+  m_size.ClampToNonNegative();
+}
+
+void IntRect::Unite(IntRect other) {
+  int min_x = min(x(), other.x());
+  int min_y = min(y(), other.y());
+  int max_x = max(this->max_x(), other.max_x());
+  int max_y = max(this->max_y(), other.max_y());
+
+  set_x(min_x);
+  set_y(min_y);
+  set_width(max_x - min_x);
+  set_height(max_y - min_y);
+}
+
+IntRect IntRect::Intersection(IntRect a, IntRect b) {
+  IntRect result = a;
+  result.Intersect(b);
+  return result;
+}
+
+IntRect IntRect::Union(IntRect a, IntRect b) {
+  IntRect result = a;
+  result.Unite(b);
+  return result;
+}
+
+} // namespace ccmath