93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <d2d1.h>
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namespace easy2d
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{
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// 大小
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//
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// Usage:
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// 表示一个二维矩形区域的大小: Size s(10, 5); // 宽为 10, 高为 5
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// 大小可以相加减: Size s = Size(10, 10) + Size(20, 20); // s 的大小是宽高均为 30
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//
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class Size
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{
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public:
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float width; // 宽度
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float height; // 高度
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public:
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Size()
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{
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width = 0;
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height = 0;
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}
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Size(float width, float height)
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{
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this->width = width;
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this->height = height;
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}
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Size(const Size & other)
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{
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width = other.width;
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height = other.height;
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}
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inline const Size operator+(const Size & other) const
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{
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return Size(width + other.width, height + other.height);
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}
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inline const Size operator-(const Size & other) const
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{
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return Size(width - other.width, height - other.height);
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}
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inline const Size operator*(float val) const
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{
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return Size(width * val, height * val);
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}
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inline const Size operator/(float val) const
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{
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return Size(width / val, height / val);
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}
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inline const Size operator-() const
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{
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return Size(-width, -height);
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}
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inline bool operator==(const Size & other) const
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{
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return (width == other.width) && (height == other.height);
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}
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inline operator D2D1_SIZE_F () const
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{
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return D2D1_SIZE_F{ width, height };
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}
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};
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}
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