75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
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// 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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#include "Color.h"
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namespace easy2d
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{
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namespace
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{
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const unsigned int RED_SHIFT = 16;
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const unsigned int GREEN_SHIFT = 8;
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const unsigned int BLUE_SHIFT = 0;
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const unsigned int RED_MASK = 0xff << RED_SHIFT;
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const unsigned int GREEN_MASK = 0xff << GREEN_SHIFT;
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const unsigned int BLUE_MASK = 0xff << BLUE_SHIFT;
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}
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Color::Color()
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: r(0)
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, g(0)
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, b(0)
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, a(1.f)
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{
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}
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Color::Color(float r, float g, float b)
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: r(r)
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, g(g)
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, b(b)
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, a(1.f)
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{
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}
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Color::Color(float r, float g, float b, float alpha)
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: r(r)
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, g(g)
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, b(b)
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, a(alpha)
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{
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}
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Color::Color(unsigned int rgb)
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: r(((rgb & RED_MASK) >> RED_SHIFT) / 255.f)
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, g(((rgb & GREEN_MASK) >> GREEN_SHIFT) / 255.f)
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, b(((rgb & BLUE_MASK) >> BLUE_SHIFT) / 255.f)
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, a(1.f)
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{
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}
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Color::Color(unsigned int rgb, float alpha)
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: r(((rgb & RED_MASK) >> RED_SHIFT) / 255.f)
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, g(((rgb & GREEN_MASK) >> GREEN_SHIFT) / 255.f)
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, b(((rgb & BLUE_MASK) >> BLUE_SHIFT) / 255.f)
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, a(alpha)
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{
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}
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}
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