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97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/**
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* Copyright (c) 2024, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef color_spaces_hh
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#define color_spaces_hh
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struct rgb_color {
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explicit rgb_color(short r = -1, short g = -1, short b = -1)
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: rc_r(r), rc_g(g), rc_b(b)
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{
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}
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bool empty() const
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{
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return this->rc_r == -1 && this->rc_g == -1 && this->rc_b == -1;
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}
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bool operator==(const rgb_color& rhs) const;
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bool operator!=(const rgb_color& rhs) const;
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bool operator<(const rgb_color& rhs) const;
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bool operator>(const rgb_color& rhs) const;
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bool operator<=(const rgb_color& rhs) const;
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bool operator>=(const rgb_color& rhs) const;
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short rc_r;
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short rc_g;
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short rc_b;
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};
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struct lab_color {
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lab_color() : lc_l(0), lc_a(0), lc_b(0) {}
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explicit lab_color(const rgb_color& rgb);
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double deltaE(const lab_color& other) const;
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bool sufficient_contrast(const lab_color& other) const;
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lab_color& operator=(const lab_color& other)
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{
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this->lc_l = other.lc_l;
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this->lc_a = other.lc_a;
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this->lc_b = other.lc_b;
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return *this;
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}
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bool operator==(const lab_color& rhs) const;
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bool operator!=(const lab_color& rhs) const;
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bool operator<(const lab_color& rhs) const;
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bool operator>(const lab_color& rhs) const;
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bool operator<=(const lab_color& rhs) const;
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bool operator>=(const lab_color& rhs) const;
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double lc_l;
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double lc_a;
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double lc_b;
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};
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#endif
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