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https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git
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83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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* Copyright 2016 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MATHFU_RECT_H_
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#define MATHFU_RECT_H_
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#include "mathfu/vector.h"
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namespace mathfu {
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/// @addtogroup mathfu_rect
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/// @{
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/// @class Rect "mathfu/rect.h"
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/// @brief Rect of type T containing position (pos) and width.
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///
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/// Rect contains two 2D <b>Vector</b>s of type <b>T</b> representing position
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/// (pos) and size.
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///
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/// @tparam T type of Rect elements.
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template <class T>
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struct Rect {
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Vector<T, 2> pos;
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Vector<T, 2> size;
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/// @brief Create a rect from a vector4 of the same type.
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///
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/// @param v Vector that the data will be copied from.
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explicit Rect(const Vector<T, 4>& v)
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: pos(v.x, v.y), size(v.z, v.w) {}
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/// @brief Create a rect from x, y, width and height values.
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///
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/// @param x the given x value.
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/// @param y the given y value.
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/// @param width the given width value.
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/// @param height the given height value.
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inline Rect(T x = static_cast<T>(0), T y = static_cast<T>(0),
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T width = static_cast<T>(0), T height = static_cast<T>(0))
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: pos(x, y), size(width, height) {}
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/// @brief Create a rect from two vector2 representing position and size.
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///
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/// @param pos Vector representing the position vector (x and y values).
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/// @param size Vector represening the size vector (width and height values).
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inline Rect(const Vector<T, 2>& pos, const Vector<T, 2>& size)
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: pos(pos), size(size) {}
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};
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/// @}
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/// @brief Check if two rects are identical.
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///
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/// @param r1 Rect to be tested.
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/// @param r2 Other rect to be tested.
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template <class T>
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bool operator==(const Rect<T>& r1, const Rect<T>& r2) {
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return (r1.pos == r2.pos && r1.size == r2.size);
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}
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/// @brief Check if two rects are <b>not</b> identical.
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///
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/// @param r1 Rect to be tested.
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/// @param r2 Other rect to be tested.
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template <class T>
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bool operator!=(const Rect<T>& r1, const Rect<T>& r2) {
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return !(r1 == r2);
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}
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} // namespace mathfu
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#endif // MATHFU_RECT_H_
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