716 lines
18 KiB
C++
716 lines
18 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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#include "core/basic_types.h"
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#include <QtCore/QTimer>
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#include <QtGui/QColor>
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namespace Media {
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namespace Clip {
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class Reader;
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class ReaderPointer {
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public:
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ReaderPointer(std_::nullptr_t = nullptr) {
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}
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explicit ReaderPointer(Reader *pointer) : _pointer(pointer) {
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}
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ReaderPointer(const ReaderPointer &other) = delete;
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ReaderPointer &operator=(const ReaderPointer &other) = delete;
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ReaderPointer(ReaderPointer &&other) : _pointer(base::take(other._pointer)) {
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}
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ReaderPointer &operator=(ReaderPointer &&other) {
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swap(other);
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return *this;
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}
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void swap(ReaderPointer &other) {
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qSwap(_pointer, other._pointer);
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}
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Reader *get() const {
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return valid() ? _pointer : nullptr;
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}
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Reader *operator->() const {
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return get();
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}
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void setBad() {
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reset();
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_pointer = BadPointer;
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}
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void reset() {
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ReaderPointer temp;
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swap(temp);
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}
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bool isBad() const {
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return (_pointer == BadPointer);
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}
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bool valid() const {
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return _pointer && !isBad();
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}
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explicit operator bool() const {
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return valid();
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}
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~ReaderPointer();
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private:
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Reader *_pointer = nullptr;
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static Reader *const BadPointer;
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};
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class Manager;
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enum Notification {
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NotificationReinit,
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NotificationRepaint,
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};
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} // namespace Clip
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} // namespace Media
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namespace anim {
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using transition = base::lambda_copy<float64(float64 delta, float64 dt)>;
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extern transition linear;
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extern transition sineInOut;
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extern transition halfSine;
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extern transition easeOutBack;
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extern transition easeInCirc;
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extern transition easeOutCirc;
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extern transition easeInCubic;
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extern transition easeOutCirc;
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extern transition easeInQuint;
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extern transition easeOutQuint;
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inline transition bumpy(float64 bump) {
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auto dt0 = (bump - sqrt(bump * (bump - 1.)));
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auto k = (1 / (2 * dt0 - 1));
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return [bump, dt0, k](float64 delta, float64 dt) {
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return delta * (bump - k * (dt - dt0) * (dt - dt0));
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};
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}
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// Basic animated value.
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class value {
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public:
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using ValueType = float64;
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value() = default;
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value(float64 from) : _cur(from), _from(from) {
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}
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value(float64 from, float64 to) : _cur(from), _from(from), _delta(to - from) {
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}
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void start(float64 to) {
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_from = _cur;
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_delta = to - _from;
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}
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void restart() {
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_delta = _from + _delta - _cur;
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_from = _cur;
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}
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float64 from() const {
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return _from;
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}
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float64 current() const {
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return _cur;
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}
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float64 to() const {
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return _from + _delta;
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}
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void add(float64 delta) {
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_from += delta;
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_cur += delta;
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}
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value &update(float64 dt, const transition &func) {
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_cur = _from + func(_delta, dt);
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return *this;
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}
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void finish() {
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_cur = _from + _delta;
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_from = _cur;
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_delta = 0;
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}
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private:
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float64 _cur = 0.;
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float64 _from = 0.;
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float64 _delta = 0.;
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};
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using fvalue = value;
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class ivalue { // int animated value
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public:
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using ValueType = int;
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ivalue() = default;
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ivalue(int from) : _cur(from), _from(float64(from)) {
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}
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ivalue(int from, int to) : _cur(from), _from(float64(from)), _delta(float64(to - from)) {
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}
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void start(int32 to) {
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_from = float64(_cur);
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_delta = float64(to) - _from;
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}
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void restart() {
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_delta = _from + _delta - float64(_cur);
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_from = float64(_cur);
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}
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int from() const {
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return _from;
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}
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int current() const {
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return _cur;
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}
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int to() const {
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return qRound(_from + _delta);
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}
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void add(int delta) {
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_from += delta;
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_cur += delta;
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}
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ivalue &update(float64 dt, const transition &func) {
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_cur = qRound(_from + func(_delta, dt));
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return *this;
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}
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void finish() {
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_cur = qRound(_from + _delta);
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_from = _cur;
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_delta = 0;
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}
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private:
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int _cur = 0;
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float64 _from = 0.;
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float64 _delta = 0.;
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};
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void startManager();
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void stopManager();
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void registerClipManager(Media::Clip::Manager *manager);
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FORCE_INLINE int interpolate(int a, int b, float64 b_ratio) {
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return qRound(a + float64(b - a) * b_ratio);
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}
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#ifdef ARCH_CPU_32_BITS
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#define SHIFTED_USE_32BIT
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#endif // ARCH_CPU_32_BITS
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#ifdef SHIFTED_USE_32BIT
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using ShiftedMultiplier = uint32;
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struct Shifted {
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Shifted() = default;
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Shifted(uint32 low, uint32 high) : low(low), high(high) {
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}
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uint32 low = 0;
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uint32 high = 0;
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};
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FORCE_INLINE Shifted operator+(Shifted a, Shifted b) {
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return Shifted(a.low + b.low, a.high + b.high);
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}
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FORCE_INLINE Shifted operator*(Shifted shifted, ShiftedMultiplier multiplier) {
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return Shifted(shifted.low * multiplier, shifted.high * multiplier);
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}
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FORCE_INLINE Shifted operator*(ShiftedMultiplier multiplier, Shifted shifted) {
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return Shifted(shifted.low * multiplier, shifted.high * multiplier);
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}
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FORCE_INLINE Shifted shifted(uint32 components) {
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return Shifted(
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(components & 0x000000FFU) | ((components & 0x0000FF00U) << 8),
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((components & 0x00FF0000U) >> 16) | ((components & 0xFF000000U) >> 8));
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}
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FORCE_INLINE uint32 unshifted(Shifted components) {
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return ((components.low & 0x0000FF00U) >> 8)
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| ((components.low & 0xFF000000U) >> 16)
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| ((components.high & 0x0000FF00U) << 8)
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| (components.high & 0xFF000000U);
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}
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FORCE_INLINE Shifted reshifted(Shifted components) {
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return Shifted((components.low >> 8) & 0x00FF00FFU, (components.high >> 8) & 0x00FF00FFU);
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}
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FORCE_INLINE Shifted shifted(QColor color) {
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// Make it premultiplied.
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auto alpha = static_cast<uint32>((color.alpha() & 0xFF) + 1);
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auto components = Shifted(static_cast<uint32>(color.blue() & 0xFF) | (static_cast<uint32>(color.green() & 0xFF) << 16),
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static_cast<uint32>(color.red() & 0xFF) | (static_cast<uint32>(255) << 16));
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return reshifted(components * alpha);
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}
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FORCE_INLINE uint32 getPremultiplied(QColor color) {
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// Make it premultiplied.
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auto alpha = static_cast<uint32>((color.alpha() & 0xFF) + 1);
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auto components = Shifted(static_cast<uint32>(color.blue() & 0xFF) | (static_cast<uint32>(color.green() & 0xFF) << 16),
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static_cast<uint32>(color.red() & 0xFF) | (static_cast<uint32>(255) << 16));
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return unshifted(components * alpha);
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}
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FORCE_INLINE uint32 getAlpha(Shifted components) {
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return (components.high & 0x00FF0000U) >> 16;
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}
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FORCE_INLINE Shifted non_premultiplied(QColor color) {
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return Shifted(static_cast<uint32>(color.blue() & 0xFF) | (static_cast<uint32>(color.green() & 0xFF) << 16),
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static_cast<uint32>(color.red() & 0xFF) | (static_cast<uint32>(color.alpha() & 0xFF) << 16));
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}
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FORCE_INLINE QColor color(QColor a, QColor b, float64 b_ratio) {
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auto bOpacity = snap(interpolate(0, 255, b_ratio), 0, 255) + 1;
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auto aOpacity = (256 - bOpacity);
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auto components = (non_premultiplied(a) * aOpacity + non_premultiplied(b) * bOpacity);
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return {
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static_cast<int>((components.high >> 8) & 0xFF),
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static_cast<int>((components.low >> 24) & 0xFF),
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static_cast<int>((components.low >> 8) & 0xFF),
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static_cast<int>((components.high >> 24) & 0xFF),
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};
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}
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#else // SHIFTED_USE_32BIT
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using ShiftedMultiplier = uint64;
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struct Shifted {
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Shifted() = default;
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Shifted(uint32 value) : value(value) {
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}
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Shifted(uint64 value) : value(value) {
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}
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uint64 value = 0;
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};
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FORCE_INLINE Shifted operator+(Shifted a, Shifted b) {
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return Shifted(a.value + b.value);
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}
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FORCE_INLINE Shifted operator*(Shifted shifted, ShiftedMultiplier multiplier) {
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return Shifted(shifted.value * multiplier);
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}
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FORCE_INLINE Shifted operator*(ShiftedMultiplier multiplier, Shifted shifted) {
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return Shifted(shifted.value * multiplier);
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}
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FORCE_INLINE Shifted shifted(uint32 components) {
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auto wide = static_cast<uint64>(components);
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return (wide & 0x00000000000000FFULL)
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| ((wide & 0x000000000000FF00ULL) << 8)
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| ((wide & 0x0000000000FF0000ULL) << 16)
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| ((wide & 0x00000000FF000000ULL) << 24);
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}
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FORCE_INLINE uint32 unshifted(Shifted components) {
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return static_cast<uint32>((components.value & 0x000000000000FF00ULL) >> 8)
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| static_cast<uint32>((components.value & 0x00000000FF000000ULL) >> 16)
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| static_cast<uint32>((components.value & 0x0000FF0000000000ULL) >> 24)
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| static_cast<uint32>((components.value & 0xFF00000000000000ULL) >> 32);
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}
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FORCE_INLINE Shifted reshifted(Shifted components) {
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return (components.value >> 8) & 0x00FF00FF00FF00FFULL;
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}
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FORCE_INLINE Shifted shifted(QColor color) {
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// Make it premultiplied.
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auto alpha = static_cast<uint64>((color.alpha() & 0xFF) + 1);
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auto components = static_cast<uint64>(color.blue() & 0xFF)
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| (static_cast<uint64>(color.green() & 0xFF) << 16)
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| (static_cast<uint64>(color.red() & 0xFF) << 32)
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| (static_cast<uint64>(255) << 48);
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return reshifted(components * alpha);
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}
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FORCE_INLINE uint32 getPremultiplied(QColor color) {
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// Make it premultiplied.
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auto alpha = static_cast<uint64>((color.alpha() & 0xFF) + 1);
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auto components = static_cast<uint64>(color.blue() & 0xFF)
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| (static_cast<uint64>(color.green() & 0xFF) << 16)
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| (static_cast<uint64>(color.red() & 0xFF) << 32)
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| (static_cast<uint64>(255) << 48);
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return unshifted(components * alpha);
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}
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FORCE_INLINE uint32 getAlpha(Shifted components) {
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return (components.value & 0x00FF000000000000ULL) >> 48;
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}
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FORCE_INLINE Shifted non_premultiplied(QColor color) {
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return static_cast<uint64>(color.blue() & 0xFF)
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| (static_cast<uint64>(color.green() & 0xFF) << 16)
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| (static_cast<uint64>(color.red() & 0xFF) << 32)
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| (static_cast<uint64>(color.alpha() & 0xFF) << 48);
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}
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FORCE_INLINE QColor color(QColor a, QColor b, float64 b_ratio) {
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auto bOpacity = snap(interpolate(0, 255, b_ratio), 0, 255) + 1;
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auto aOpacity = (256 - bOpacity);
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auto components = (non_premultiplied(a) * aOpacity + non_premultiplied(b) * bOpacity);
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return {
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static_cast<int>((components.value >> 40) & 0xFF),
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static_cast<int>((components.value >> 24) & 0xFF),
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static_cast<int>((components.value >> 8) & 0xFF),
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static_cast<int>((components.value >> 56) & 0xFF),
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};
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}
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#endif // SHIFTED_USE_32BIT
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FORCE_INLINE QColor color(const style::color &a, QColor b, float64 b_ratio) {
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return color(a->c, b, b_ratio);
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}
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FORCE_INLINE QColor color(QColor a, const style::color &b, float64 b_ratio) {
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return color(a, b->c, b_ratio);
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}
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FORCE_INLINE QColor color(const style::color &a, const style::color &b, float64 b_ratio) {
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return color(a->c, b->c, b_ratio);
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}
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FORCE_INLINE QPen pen(QColor a, QColor b, float64 b_ratio) {
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return color(a, b, b_ratio);
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}
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FORCE_INLINE QPen pen(const style::color &a, QColor b, float64 b_ratio) {
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return (b_ratio > 0) ? pen(a->c, b, b_ratio) : a;
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}
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FORCE_INLINE QPen pen(QColor a, const style::color &b, float64 b_ratio) {
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return (b_ratio < 1) ? pen(a, b->c, b_ratio) : b;
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}
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FORCE_INLINE QPen pen(const style::color &a, const style::color &b, float64 b_ratio) {
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return (b_ratio > 0) ? ((b_ratio < 1) ? pen(a->c, b->c, b_ratio) : b) : a;
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}
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FORCE_INLINE QBrush brush(QColor a, QColor b, float64 b_ratio) {
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return color(a, b, b_ratio);
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}
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FORCE_INLINE QBrush brush(const style::color &a, QColor b, float64 b_ratio) {
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return (b_ratio > 0) ? brush(a->c, b, b_ratio) : a;
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}
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FORCE_INLINE QBrush brush(QColor a, const style::color &b, float64 b_ratio) {
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return (b_ratio < 1) ? brush(a, b->c, b_ratio) : b;
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}
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FORCE_INLINE QBrush brush(const style::color &a, const style::color &b, float64 b_ratio) {
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return (b_ratio > 0) ? ((b_ratio < 1) ? brush(a->c, b->c, b_ratio) : b) : a;
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}
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};
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class Animation;
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class AnimationImplementation {
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public:
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virtual void start() {}
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virtual void step(Animation *a, TimeMs ms, bool timer) = 0;
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virtual ~AnimationImplementation() {}
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};
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class AnimationCallbacks {
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public:
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AnimationCallbacks(AnimationImplementation *implementation) : _implementation(implementation) {}
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AnimationCallbacks(const AnimationCallbacks &other) = delete;
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AnimationCallbacks &operator=(const AnimationCallbacks &other) = delete;
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AnimationCallbacks(AnimationCallbacks &&other) : _implementation(other._implementation) {
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other._implementation = nullptr;
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}
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AnimationCallbacks &operator=(AnimationCallbacks &&other) {
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std::swap(_implementation, other._implementation);
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return *this;
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}
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void start() { _implementation->start(); }
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void step(Animation *a, TimeMs ms, bool timer) { _implementation->step(a, ms, timer); }
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~AnimationCallbacks() { delete base::take(_implementation); }
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private:
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AnimationImplementation *_implementation;
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};
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class Animation {
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public:
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Animation(AnimationCallbacks &&callbacks)
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: _callbacks(std_::move(callbacks))
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, _animating(false) {
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}
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void start();
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void stop();
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void step(TimeMs ms, bool timer = false) {
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_callbacks.step(this, ms, timer);
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}
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void step() {
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step(getms(), false);
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}
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bool animating() const {
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return _animating;
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}
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~Animation() {
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if (_animating) stop();
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}
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private:
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AnimationCallbacks _callbacks;
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bool _animating;
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};
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template <typename Type>
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class AnimationCallbacksRelative : public AnimationImplementation {
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public:
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typedef void (Type::*Method)(float64, bool);
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AnimationCallbacksRelative(Type *obj, Method method) : _started(0), _obj(obj), _method(method) {
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}
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void start() {
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_started = float64(getms());
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}
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void step(Animation *a, TimeMs ms, bool timer) {
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(_obj->*_method)(ms - _started, timer);
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}
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private:
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float64 _started;
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Type *_obj;
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Method _method;
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};
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template <typename Type>
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AnimationCallbacks animation(Type *obj, typename AnimationCallbacksRelative<Type>::Method method) {
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return AnimationCallbacks(new AnimationCallbacksRelative<Type>(obj, method));
|
|
}
|
|
|
|
template <typename Type>
|
|
class AnimationCallbacksAbsolute : public AnimationImplementation {
|
|
public:
|
|
typedef void (Type::*Method)(TimeMs, bool);
|
|
|
|
AnimationCallbacksAbsolute(Type *obj, Method method) : _obj(obj), _method(method) {
|
|
}
|
|
|
|
void step(Animation *a, TimeMs ms, bool timer) {
|
|
(_obj->*_method)(ms, timer);
|
|
}
|
|
|
|
private:
|
|
Type *_obj;
|
|
Method _method;
|
|
|
|
};
|
|
template <typename Type>
|
|
AnimationCallbacks animation(Type *obj, typename AnimationCallbacksAbsolute<Type>::Method method) {
|
|
return AnimationCallbacks(new AnimationCallbacksAbsolute<Type>(obj, method));
|
|
}
|
|
|
|
template <typename Type, typename Param>
|
|
class AnimationCallbacksRelativeWithParam : public AnimationImplementation {
|
|
public:
|
|
typedef void (Type::*Method)(Param, float64, bool);
|
|
|
|
AnimationCallbacksRelativeWithParam(Param param, Type *obj, Method method) : _started(0), _param(param), _obj(obj), _method(method) {
|
|
}
|
|
|
|
void start() {
|
|
_started = float64(getms());
|
|
}
|
|
|
|
void step(Animation *a, TimeMs ms, bool timer) {
|
|
(_obj->*_method)(_param, ms - _started, timer);
|
|
}
|
|
|
|
private:
|
|
float64 _started;
|
|
Param _param;
|
|
Type *_obj;
|
|
Method _method;
|
|
|
|
};
|
|
template <typename Type, typename Param>
|
|
AnimationCallbacks animation(Param param, Type *obj, typename AnimationCallbacksRelativeWithParam<Type, Param>::Method method) {
|
|
return AnimationCallbacks(new AnimationCallbacksRelativeWithParam<Type, Param>(param, obj, method));
|
|
}
|
|
|
|
template <typename Type, typename Param>
|
|
class AnimationCallbacksAbsoluteWithParam : public AnimationImplementation {
|
|
public:
|
|
typedef void (Type::*Method)(Param, TimeMs, bool);
|
|
|
|
AnimationCallbacksAbsoluteWithParam(Param param, Type *obj, Method method) : _param(param), _obj(obj), _method(method) {
|
|
}
|
|
|
|
void step(Animation *a, TimeMs ms, bool timer) {
|
|
(_obj->*_method)(_param, ms, timer);
|
|
}
|
|
|
|
private:
|
|
Param _param;
|
|
Type *_obj;
|
|
Method _method;
|
|
|
|
};
|
|
template <typename Type, typename Param>
|
|
AnimationCallbacks animation(Param param, Type *obj, typename AnimationCallbacksAbsoluteWithParam<Type, Param>::Method method) {
|
|
return AnimationCallbacks(new AnimationCallbacksAbsoluteWithParam<Type, Param>(param, obj, method));
|
|
}
|
|
|
|
template <typename AnimType>
|
|
class SimpleAnimation {
|
|
public:
|
|
using ValueType = typename AnimType::ValueType;
|
|
using Callback = base::lambda<void()>;
|
|
|
|
void step(TimeMs ms) {
|
|
if (_data) {
|
|
_data->a_animation.step(ms);
|
|
if (_data && !_data->a_animation.animating()) {
|
|
_data.reset();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool animating() const {
|
|
if (_data) {
|
|
if (_data->a_animation.animating()) {
|
|
return true;
|
|
}
|
|
_data.reset();
|
|
}
|
|
return false;
|
|
}
|
|
bool animating(TimeMs ms) {
|
|
step(ms);
|
|
return animating();
|
|
}
|
|
|
|
ValueType current() const {
|
|
t_assert(_data != nullptr);
|
|
return _data->value.current();
|
|
}
|
|
ValueType current(const ValueType &def) const {
|
|
return _data ? current() : def;
|
|
}
|
|
ValueType current(TimeMs ms, const ValueType &def) {
|
|
return animating(ms) ? current() : def;
|
|
}
|
|
|
|
template <typename Lambda>
|
|
void start(Lambda &&updateCallback, const ValueType &from, const ValueType &to, float64 duration, const anim::transition &transition = anim::linear) {
|
|
if (!_data) {
|
|
_data = std_::make_unique<Data>(from, std_::forward<Lambda>(updateCallback));
|
|
}
|
|
_data->value.start(to);
|
|
_data->duration = duration;
|
|
_data->transition = transition;
|
|
_data->a_animation.start();
|
|
}
|
|
|
|
void finish() {
|
|
if (_data) {
|
|
_data->value.finish();
|
|
_data->a_animation.stop();
|
|
_data.reset();
|
|
}
|
|
}
|
|
|
|
private:
|
|
struct Data {
|
|
template <typename Lambda, typename = std_::enable_if_t<std_::is_rvalue_reference<Lambda&&>::value>>
|
|
Data(const ValueType &from, Lambda &&updateCallback)
|
|
: value(from, from)
|
|
, a_animation(animation(this, &Data::step))
|
|
, updateCallback(std_::move(updateCallback)) {
|
|
}
|
|
Data(const ValueType &from, const base::lambda_copy<void()> &updateCallback)
|
|
: value(from, from)
|
|
, a_animation(animation(this, &Data::step))
|
|
, updateCallback(base::lambda_copy<void()>(updateCallback)) {
|
|
}
|
|
void step(float64 ms, bool timer) {
|
|
auto dt = (ms >= duration) ? 1. : (ms / duration);
|
|
if (dt >= 1) {
|
|
value.finish();
|
|
a_animation.stop();
|
|
} else {
|
|
value.update(dt, transition);
|
|
}
|
|
updateCallback();
|
|
}
|
|
|
|
AnimType value;
|
|
Animation a_animation;
|
|
Callback updateCallback;
|
|
float64 duration = 0.;
|
|
anim::transition transition = anim::linear;
|
|
};
|
|
mutable std_::unique_ptr<Data> _data;
|
|
|
|
};
|
|
|
|
using FloatAnimation = SimpleAnimation<anim::fvalue>;
|
|
using IntAnimation = SimpleAnimation<anim::ivalue>;
|
|
|
|
class AnimationManager : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
AnimationManager();
|
|
|
|
void start(Animation *obj);
|
|
void stop(Animation *obj);
|
|
|
|
public slots:
|
|
void timeout();
|
|
|
|
void clipCallback(Media::Clip::Reader *reader, qint32 threadIndex, qint32 notification);
|
|
|
|
private:
|
|
using AnimatingObjects = OrderedSet<Animation*>;
|
|
AnimatingObjects _objects, _starting, _stopping;
|
|
QTimer _timer;
|
|
bool _iterating;
|
|
|
|
};
|