112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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It 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace style {
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namespace internal {
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void destroyColors();
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class ColorData;
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class Color {
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public:
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Color(Qt::Initialization = Qt::Uninitialized) {
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}
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Color(const Color &c);
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explicit Color(const QColor &c);
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Color(uchar r, uchar g, uchar b, uchar a = 255);
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Color &operator=(const Color &c);
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~Color();
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void set(const QColor &newv);
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void set(uchar r, uchar g, uchar b, uchar a = 255);
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operator const QBrush &() const;
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operator const QPen &() const;
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ColorData *operator->() const {
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return ptr;
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}
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ColorData *v() const {
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return ptr;
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}
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explicit operator bool() const {
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return !!ptr;
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}
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private:
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ColorData *ptr = nullptr;
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bool owner = false;
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void init(uchar r, uchar g, uchar b, uchar a);
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friend void startManager();
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Color(ColorData *p) : ptr(p) {
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}
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friend class ColorData;
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};
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class ColorData {
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public:
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QColor c;
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QPen p;
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QBrush b;
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private:
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ColorData(uchar r, uchar g, uchar b, uchar a);
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void set(const QColor &c);
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friend class Color;
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};
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inline bool operator==(const Color &a, const Color &b) {
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return a->c == b->c;
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}
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inline bool operator!=(const Color &a, const Color &b) {
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return a->c != b->c;
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}
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inline Color::operator const QBrush &() const {
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return ptr->b;
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}
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inline Color::operator const QPen &() const {
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return ptr->p;
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}
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} // namespace internal
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inline QColor interpolate(const style::internal::Color &a, const style::internal::Color &b, float64 opacity_b) {
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QColor result;
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result.setRedF((a->c.redF() * (1. - opacity_b)) + (b->c.redF() * opacity_b));
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result.setGreenF((a->c.greenF() * (1. - opacity_b)) + (b->c.greenF() * opacity_b));
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result.setBlueF((a->c.blueF() * (1. - opacity_b)) + (b->c.blueF() * opacity_b));
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return result;
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}
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} // namespace style
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