mirror of https://github.com/yuzu-emu/yuzu
100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
|
|
// SPDX-FileCopyrightText: 2014 Citra Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <cstdlib>
|
|
#include <type_traits>
|
|
|
|
namespace Common {
|
|
|
|
constexpr float PI = 3.1415926535f;
|
|
|
|
template <class T>
|
|
struct Rectangle {
|
|
T left{};
|
|
T top{};
|
|
T right{};
|
|
T bottom{};
|
|
|
|
constexpr Rectangle() = default;
|
|
|
|
constexpr Rectangle(T width, T height) : right(width), bottom(height) {}
|
|
|
|
constexpr Rectangle(T left_, T top_, T right_, T bottom_)
|
|
: left(left_), top(top_), right(right_), bottom(bottom_) {}
|
|
|
|
[[nodiscard]] constexpr T Left() const {
|
|
return left;
|
|
}
|
|
|
|
[[nodiscard]] constexpr T Top() const {
|
|
return top;
|
|
}
|
|
|
|
[[nodiscard]] constexpr T Right() const {
|
|
return right;
|
|
}
|
|
|
|
[[nodiscard]] constexpr T Bottom() const {
|
|
return bottom;
|
|
}
|
|
|
|
[[nodiscard]] constexpr bool IsEmpty() const {
|
|
return (GetWidth() <= 0) || (GetHeight() <= 0);
|
|
}
|
|
|
|
[[nodiscard]] constexpr T GetWidth() const {
|
|
if constexpr (std::is_floating_point_v<T>) {
|
|
return std::abs(right - left);
|
|
} else {
|
|
return static_cast<T>(std::abs(static_cast<std::make_signed_t<T>>(right - left)));
|
|
}
|
|
}
|
|
|
|
[[nodiscard]] constexpr T GetHeight() const {
|
|
if constexpr (std::is_floating_point_v<T>) {
|
|
return std::abs(bottom - top);
|
|
} else {
|
|
return static_cast<T>(std::abs(static_cast<std::make_signed_t<T>>(bottom - top)));
|
|
}
|
|
}
|
|
|
|
[[nodiscard]] constexpr Rectangle<T> TranslateX(const T x) const {
|
|
return Rectangle{left + x, top, right + x, bottom};
|
|
}
|
|
|
|
[[nodiscard]] constexpr Rectangle<T> TranslateY(const T y) const {
|
|
return Rectangle{left, top + y, right, bottom + y};
|
|
}
|
|
|
|
[[nodiscard]] constexpr Rectangle<T> Scale(const float s) const {
|
|
return Rectangle{left, top, static_cast<T>(static_cast<float>(left + GetWidth()) * s),
|
|
static_cast<T>(static_cast<float>(top + GetHeight()) * s)};
|
|
}
|
|
|
|
[[nodiscard]] constexpr bool operator==(const Rectangle<T>& rhs) const {
|
|
return (left == rhs.left) && (top == rhs.top) && (right == rhs.right) &&
|
|
(bottom == rhs.bottom);
|
|
}
|
|
|
|
[[nodiscard]] constexpr bool operator!=(const Rectangle<T>& rhs) const {
|
|
return !operator==(rhs);
|
|
}
|
|
|
|
[[nodiscard]] constexpr bool Intersect(const Rectangle<T>& with, Rectangle<T>* result) const {
|
|
result->left = std::max(left, with.left);
|
|
result->top = std::max(top, with.top);
|
|
result->right = std::min(right, with.right);
|
|
result->bottom = std::min(bottom, with.bottom);
|
|
return !result->IsEmpty();
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
Rectangle(T, T, T, T) -> Rectangle<T>;
|
|
|
|
} // namespace Common
|