mirror of
https://github.com/Llewellynvdm/conky.git
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101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
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* Copyright (c) 2005-2024 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _COLOURS_H_
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#define _COLOURS_H_
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#include "config.h"
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#include <cassert>
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#include <climits>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#ifdef BUILD_X11
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#include <X11/Xlib.h>
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#endif /* BUILD_X11 */
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struct Colour {
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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uint8_t alpha = 0xff;
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public:
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Colour() = default;
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Colour(uint8_t r, uint8_t g, uint8_t b, uint8_t a = UINT8_MAX)
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: red(r), green(g), blue(b), alpha(a) {}
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explicit Colour(const std::string &name);
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Colour(const Colour &) = default;
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Colour(Colour &&) = default;
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void operator=(const Colour &c) {
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red = c.red;
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green = c.green;
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blue = c.blue;
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alpha = c.alpha;
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}
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// Compare two instances.
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bool operator==(const Colour &c) const {
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return c.red == red && c.green == green && c.blue == blue &&
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c.alpha == alpha;
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}
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uint8_t *data() { return reinterpret_cast<uint8_t *>(this); }
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// Express the color as a 32-bit ARGB integer (alpha in MSB).
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uint32_t to_argb32(void) const {
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uint32_t out;
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out = alpha << 24 | red << 16 | green << 8 | blue;
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return out;
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}
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// Construct from a 32-bit ARGB integer (alpha in MSB).
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static Colour from_argb32(uint32_t argb);
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class Hash {
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public:
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size_t operator()(const Colour &c) const { return c.to_argb32(); }
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};
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#ifdef BUILD_X11
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unsigned long to_x11_color(Display *display, int screen,
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bool transparency = false,
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bool premultiply = false);
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#endif /* BUILD_X11 */
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};
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const Colour ERROR_COLOUR = Colour{UINT8_MAX, 0, 0, UINT8_MAX};
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Colour parse_color(const std::string &color);
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#endif /* _COLOURS_H_ */
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