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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MINIKIN_MINIKIN_RECT_H
#define MINIKIN_MINIKIN_RECT_H
#include <ostream>
namespace minikin {
struct MinikinRect {
MinikinRect() : mLeft(0), mTop(0), mRight(0), mBottom(0) {}
MinikinRect(float left, float top, float right, float bottom)
: mLeft(left), mTop(top), mRight(right), mBottom(bottom) {}
bool operator==(const MinikinRect& o) const {
return mLeft == o.mLeft && mTop == o.mTop && mRight == o.mRight && mBottom == o.mBottom;
}
bool operator!=(const MinikinRect& o) const { return !(*this == o); }
float mLeft;
float mTop;
float mRight;
float mBottom;
bool isEmpty() const { return mLeft == mRight || mTop == mBottom; }
void set(const MinikinRect& r) {
mLeft = r.mLeft;
mTop = r.mTop;
mRight = r.mRight;
mBottom = r.mBottom;
}
void offset(float dx, float dy) {
mLeft += dx;
mTop += dy;
mRight += dx;
mBottom += dy;
}
void setEmpty() { mLeft = mTop = mRight = mBottom = 0.0; }
void join(const MinikinRect& r) {
if (isEmpty()) {
set(r);
} else if (!r.isEmpty()) {
mLeft = std::min(mLeft, r.mLeft);
mTop = std::min(mTop, r.mTop);
mRight = std::max(mRight, r.mRight);
mBottom = std::max(mBottom, r.mBottom);
}
}
};
// For gtest output
inline std::ostream& operator<<(std::ostream& os, const MinikinRect& r) {
return os << "(" << r.mLeft << ", " << r.mTop << ")-(" << r.mRight << ", " << r.mBottom << ")";
}
} // namespace minikin
#endif // MINIKIN_MINIKIN_RECT_H
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