// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Note: ported from Chromium commit head: 0e161fe
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// Note: only necessary functions are ported from gfx::Rect
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// Defines a simple integer rectangle class. The containment semantics
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// are array-like; that is, the coordinate (x, y) is considered to be
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// contained by the rectangle, but the coordinate (x + width, y) is not.
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// The class will happily let you create malformed rectangles (that is,
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// rectangles with negative width and/or height), but there will be assertions
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// in the operations (such as Contains()) to complain in this case.
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#ifndef RECT_H_
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#define RECT_H_
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#include <string>
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#include "base/strings/stringprintf.h"
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#include "size.h"
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namespace media {
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// Helper struct for rect to replace gfx::Rect usage from original code.
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// Only partial functions of gfx::Rect is implemented here.
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class Rect {
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public:
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Rect() : x_(0), y_(0), size_(0, 0) {}
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Rect(int width, int height) : x_(0), y_(0), size_(width, height) {}
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Rect(int x, int y, int width, int height)
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: x_(x), y_(y), size_(width, height) {}
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explicit Rect(const Size& size) : x_(0), y_(0), size_(size) {}
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int x() const { return x_; }
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void set_x(int x) { x_ = x; }
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int y() const { return y_; }
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void set_y(int y) { y_ = y; }
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int width() const { return size_.width(); }
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void set_width(int width) { size_.set_width(width); }
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int height() const { return size_.height(); }
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void set_height(int height) { size_.set_height(height); }
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const Size& size() const { return size_; }
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void set_size(const Size& size) {
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set_width(size.width());
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set_height(size.height());
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}
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constexpr int right() const { return x() + width(); }
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constexpr int bottom() const { return y() + height(); }
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void SetRect(int x, int y, int width, int height) {
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set_x(x);
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set_y(y);
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set_width(width);
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set_height(height);
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}
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// Returns true if the area of the rectangle is zero.
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bool IsEmpty() const { return size_.IsEmpty(); }
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// Returns true if this rectangle contains the specified rectangle.
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bool Contains(const Rect& rect) const {
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return (rect.x() >= x() && rect.right() <= right() && rect.y() >= y() &&
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rect.bottom() <= bottom());
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}
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std::string ToString() const {
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return base::StringPrintf("(%d,%d) %s",
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x_, y_, size().ToString().c_str());
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}
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private:
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int x_;
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int y_;
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Size size_;
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};
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inline bool operator==(const Rect& lhs, const Rect& rhs) {
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return lhs.x() == rhs.x() && lhs.y() == rhs.y() && lhs.size() == rhs.size();
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}
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inline bool operator!=(const Rect& lhs, const Rect& rhs) {
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return !(lhs == rhs);
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}
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} // namespace media
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#endif // RECT_H_
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