mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-20 09:16:01 +08:00
85 lines
2.7 KiB
Lua
85 lines
2.7 KiB
Lua
-------------------------------------------------------------------------------
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-- Spine Runtimes Software License v2.5
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--
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-- Copyright (c) 2013-2016, Esoteric Software
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-- All rights reserved.
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--
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-- You are granted a perpetual, non-exclusive, non-sublicensable, and
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-- non-transferable license to use, install, execute, and perform the Spine
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-- Runtimes software and derivative works solely for personal or internal
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-- use. Without the written permission of Esoteric Software (see Section 2 of
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-- the Spine Software License Agreement), you may not (a) modify, translate,
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-- adapt, or develop new applications using the Spine Runtimes or otherwise
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-- create derivative works or improvements of the Spine Runtimes or (b) remove,
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-- delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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-- or other intellectual property or proprietary rights notices on or in the
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-- Software, including any copy thereof. Redistributions in binary or source
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-- form must include this license and terms.
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--
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-- THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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-- IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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-- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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-- EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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-- USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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-- IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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-------------------------------------------------------------------------------
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local setmetatable = setmetatable
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local utils = require "spine-lua.utils"
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local Color = {}
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Color.__index = Color
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function Color.new ()
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local self = {
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r = 0, g = 0, b = 0, a = 0
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}
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setmetatable(self, Color)
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return self
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end
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function Color.newWith (r, g, b, a)
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local self = {
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r = a, g = g, b = b, a = a
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}
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setmetatable(self, Color)
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return self
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end
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function Color:set(r, g, b, a)
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self.r = r
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self.g = g
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self.b = b
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self.a = a
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end
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function Color:setFrom(color)
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self.r = color.r
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self.g = color.g
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self.b = color.b
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self.a = color.a
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end
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function Color:add(r, g, b, a)
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self.r = self.r + r
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self.g = self.g + g
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self.b = self.b + b
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self.a = self.a + a
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self:clamp()
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end
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function Color:clamp()
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self.r = utils.clamp(self.r, 0, 1)
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self.g = utils.clamp(self.g, 0, 1)
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self.b = utils.clamp(self.b, 0, 1)
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self.a = utils.clamp(self.a, 0, 1)
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end
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return Color
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