147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_COORD_STORE_HPP
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#define __UTIL_COORD_STORE_HPP
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#include "names.hpp"
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#include "../platform.hpp"
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#include <cstdlib>
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namespace util { namespace coord {
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///////////////////////////////////////////////////////////////////////
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// Disable GCC warnings about validity of anonyous structures in
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// unions. Push comes to shove I'll manually redsign everything to
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// keep this syntax anyway.
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#pragma GCC diagnostic push
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#if defined(COMPILER_GCC)
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#pragma GCC diagnostic ignored "-pedantic"
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#endif
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#if defined(COMPILER_CLANG)
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#pragma GCC diagnostic ignored "-Wgnu"
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#endif
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///////////////////////////////////////////////////////////////////////////
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template <size_t S, typename T, typename...>
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struct store {
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T data[S];
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};
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///////////////////////////////////////////////////////////////////////////
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template <typename T>
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struct store<3,T,rgba,hsv> {
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union {
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T data[3];
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struct { T r,g,b; };
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struct { T h,s,v; };
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};
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};
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template <typename T>
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struct store<4,T,rgba,hsv> {
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union {
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T data[4];
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struct { T r,g,b,a; };
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struct { T h,s,v; };
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};
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};
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///////////////////////////////////////////////////////////////////////////
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template <typename T>
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struct store<2,T,xyzw> {
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union {
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T data[2];
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struct { T x,y; };
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};
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};
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template <typename T>
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struct store<3,T,xyzw> {
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union {
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T data[3];
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struct { T x,y,z; };
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};
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};
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template <typename T>
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struct store<4,T,xyzw> {
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union {
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T data[4];
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struct { T x,y,z,w; };
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};
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};
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///////////////////////////////////////////////////////////////////////////
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template <typename T>
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struct store<2,T,xyzw,stpq> {
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union {
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T data[2];
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struct { T x,y; };
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struct { T s,t; };
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};
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};
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template <typename T>
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struct store<3,T,xyzw,stpq> {
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union {
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T data[3];
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struct { T x,y,z; };
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struct { T s,t,p; };
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};
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};
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template <typename T>
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struct store<4,T,xyzw,stpq> {
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union {
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T data[4];
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struct { T x,y,z,w; };
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struct { T s,t,p,q; };
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};
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};
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///////////////////////////////////////////////////////////////////////////
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template <typename T>
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struct store<2,T,whd> {
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union {
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T data[2];
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struct { T w,h; };
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};
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};
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template <typename T>
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struct store<3,T,whd> {
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union {
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T data[3];
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struct { T w,h,d; };
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};
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};
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#pragma GCC diagnostic pop
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} }
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#endif
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