From f957f4094a8d98ad0de294c3e6325ce9a860994e Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Wed, 26 May 2021 15:31:12 -0700
Subject: More work on TableTemplate

---
 core/src/Utils/Size.hpp | 65 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100755 core/src/Utils/Size.hpp

(limited to 'core/src/Utils/Size.hpp')

diff --git a/core/src/Utils/Size.hpp b/core/src/Utils/Size.hpp
new file mode 100755
index 0000000..98be41a
--- /dev/null
+++ b/core/src/Utils/Size.hpp
@@ -0,0 +1,65 @@
+#pragma once
+
+#include "Utils/Vector.hpp"
+
+template <class T>
+class Size2 {
+public:
+	T width;
+	T height;
+
+public:
+	Size2()
+		: width{ 0 }, height{ 0 } {
+	}
+
+	Size2(T width, T height)
+		: width{ width }, height{ height } {
+	}
+
+	Size2(Vec2<T> vec)
+		: width{ vec.x }, height{ vec.y }
+	{
+	}
+
+	operator Vec2<T>() const
+	{
+		return { width, height };
+	}
+
+	Vec2<T> AsVec() const
+	{
+		return { width, height };
+	}
+
+	friend bool operator==(const Size2<T>&, const Size2<T>&) = default;
+
+	template <class TTarget>
+	Size2<TTarget> Cast() const
+	{
+		return {
+			static_cast<TTarget>(width),
+			static_cast<TTarget>(height),
+		};
+	}
+};
+
+template <class T>
+Size2<T> operator+(Size2<T> a, Size2<T> b) {
+	return { a.width + b.width, a.height + b.height };
+}
+
+template <class T>
+Size2<T> operator-(Size2<T> a, Size2<T> b) {
+	return { a.width - b.width, a.height - b.height };
+}
+
+template <class T, class N>
+auto operator*(Size2<T> a, N mult) -> Size2<decltype(a.width * mult)> {
+	return { a.width * mult, a.height * mult };
+}
+
+template <class T, class N>
+auto operator/(Size2<T> a, N mult) -> Size2<decltype(a.width / mult)> {
+	return { a.width / mult, a.height / mult };
+}
-- 
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