651 lines
15 KiB
C++
651 lines
15 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) 2014-2015 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "types.h"
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#include <QtCore/QTimer>
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#include <QtGui/QColor>
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namespace anim {
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typedef float64 (*transition)(const float64 &delta, const float64 &dt);
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float64 linear(const float64 &delta, const float64 &dt);
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float64 sineInOut(const float64 &delta, const float64 &dt);
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float64 halfSine(const float64 &delta, const float64 &dt);
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float64 easeOutBack(const float64 &delta, const float64 &dt);
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float64 easeInCirc(const float64 &delta, const float64 &dt);
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float64 easeOutCirc(const float64 &delta, const float64 &dt);
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float64 easeInCubic(const float64 &delta, const float64 &dt);
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float64 easeOutCubic(const float64 &delta, const float64 &dt);
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float64 easeInQuint(const float64 &delta, const float64 &dt);
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float64 easeOutQuint(const float64 &delta, const float64 &dt);
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class fvalue { // float animated value
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public:
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fvalue() {
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}
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fvalue(const float64 &from) : _cur(from), _from(from), _delta(0) {
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}
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fvalue(const float64 &from, const float64 &to) : _cur(from), _from(from), _delta(to - from) {
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}
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void start(const 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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const float64 ¤t() 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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fvalue &update(const float64 &dt, 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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typedef float64 Type;
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private:
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float64 _cur, _from, _delta;
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};
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class ivalue { // int animated value
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public:
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ivalue() {
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}
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ivalue(int32 from) : _cur(from), _from(float64(from)), _delta(0) {
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}
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ivalue(int32 from, int32 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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int32 current() const {
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return _cur;
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}
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int32 to() const {
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return _from + _delta;
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}
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ivalue &update(const float64 &dt, 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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typedef int32 Type;
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private:
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int32 _cur;
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float64 _from, _delta;
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};
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class cvalue { // QColor animated value
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public:
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cvalue() {
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}
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cvalue(const QColor &from) : _cur(from), _from_r(from.redF()), _from_g(from.greenF()), _from_b(from.blueF()), _from_a(from.alphaF()), _delta_r(0), _delta_g(0), _delta_b(0), _delta_a(0) {
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}
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cvalue(const QColor &from, const QColor &to)
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: _cur(from)
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, _from_r(from.redF()), _from_g(from.greenF()), _from_b(from.blueF()), _from_a(from.alphaF())
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, _delta_r(to.redF() - from.redF()), _delta_g(to.greenF() - from.greenF()), _delta_b(to.blueF() - from.blueF()), _delta_a(to.alphaF() - from.alphaF())
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{
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}
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void start(const QColor &to) {
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_from_r = _cur.redF();
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_from_g = _cur.greenF();
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_from_b = _cur.blueF();
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_from_a = _cur.alphaF();
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_delta_r = to.redF() - _from_r;
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_delta_g = to.greenF() - _from_g;
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_delta_b = to.blueF() - _from_b;
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_delta_a = to.alphaF() - _from_a;
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}
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void restart() {
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_delta_r = _from_r + _delta_r - _cur.redF();
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_delta_g = _from_g + _delta_g - _cur.greenF();
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_delta_b = _from_b + _delta_b - _cur.blueF();
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_delta_a = _from_a + _delta_a - _cur.alphaF();
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_from_r = _cur.redF();
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_from_g = _cur.greenF();
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_from_b = _cur.blueF();
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_from_a = _cur.alphaF();
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}
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const QColor ¤t() const {
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return _cur;
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}
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QColor to() const {
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QColor result;
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result.setRedF(_from_r + _delta_r);
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result.setGreenF(_from_g + _delta_g);
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result.setBlueF(_from_b + _delta_b);
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result.setAlphaF(_from_a + _delta_a);
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return result;
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}
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cvalue &update(const float64 &dt, transition func) {
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_cur.setRedF(_from_r + (*func)(_delta_r, dt));
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_cur.setGreenF(_from_g + (*func)(_delta_g, dt));
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_cur.setBlueF(_from_b + (*func)(_delta_b, dt));
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_cur.setAlphaF(_from_a + (*func)(_delta_a, dt));
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return *this;
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}
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void finish() {
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_cur.setRedF(_from_r + _delta_r);
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_cur.setGreenF(_from_g + _delta_g);
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_cur.setBlueF(_from_b + _delta_b);
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_cur.setAlphaF(_from_a + _delta_a);
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_from_r = _cur.redF();
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_from_g = _cur.greenF();
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_from_b = _cur.blueF();
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_from_a = _cur.alphaF();
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_delta_r = _delta_g = _delta_b = _delta_a = 0;
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}
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typedef QColor Type;
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private:
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QColor _cur;
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float64 _from_r, _from_g, _from_b, _from_a, _delta_r, _delta_g, _delta_b, _delta_a;
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};
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void startManager();
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void stopManager();
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};
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class Animation;
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class AnimationCallbacks {
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public:
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virtual void start() {
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}
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virtual void step(Animation *a, uint64 ms, bool timer) = 0;
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virtual ~AnimationCallbacks() {
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}
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};
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class Animation {
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public:
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Animation(AnimationCallbacks *cb) : _cb(cb), _animating(false) {
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}
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void start();
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void stop();
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void step(uint64 ms, bool timer = false) {
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_cb->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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delete _cb;
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}
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private:
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Animation(const Animation &);
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Animation &operator=(const Animation &);
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AnimationCallbacks *_cb;
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bool _animating;
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};
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template <typename Type>
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class AnimationCallbacksRelative : public AnimationCallbacks {
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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, uint64 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 new AnimationCallbacksRelative<Type>(obj, method);
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}
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template <typename Type>
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class AnimationCallbacksAbsolute : public AnimationCallbacks {
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public:
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typedef void (Type::*Method)(uint64, bool);
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AnimationCallbacksAbsolute(Type *obj, Method method) : _obj(obj), _method(method) {
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}
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void step(Animation *a, uint64 ms, bool timer) {
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(_obj->*_method)(ms, timer);
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}
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private:
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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 AnimationCallbacksAbsolute<Type>::Method method) {
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return new AnimationCallbacksAbsolute<Type>(obj, method);
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}
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template <typename Type, typename Param>
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class AnimationCallbacksRelativeWithParam : public AnimationCallbacks {
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public:
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typedef void (Type::*Method)(Param, float64, bool);
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AnimationCallbacksRelativeWithParam(Param param, Type *obj, Method method) : _started(0), _param(param), _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, uint64 ms, bool timer) {
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(_obj->*_method)(_param, ms - _started, timer);
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}
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private:
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float64 _started;
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Param _param;
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Type *_obj;
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Method _method;
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};
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template <typename Type, typename Param>
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AnimationCallbacks *animation(Param param, Type *obj, typename AnimationCallbacksRelativeWithParam<Type, Param>::Method method) {
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return new AnimationCallbacksRelativeWithParam<Type, Param>(param, obj, method);
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}
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template <typename Type, typename Param>
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class AnimationCallbacksAbsoluteWithParam : public AnimationCallbacks {
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public:
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typedef void (Type::*Method)(Param, uint64, bool);
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AnimationCallbacksAbsoluteWithParam(Param param, Type *obj, Method method) : _param(param), _obj(obj), _method(method) {
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}
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void step(Animation *a, uint64 ms, bool timer) {
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(_obj->*_method)(_param, ms, timer);
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}
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private:
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Param _param;
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Type *_obj;
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Method _method;
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};
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template <typename Type, typename Param>
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AnimationCallbacks *animation(Param param, Type *obj, typename AnimationCallbacksAbsoluteWithParam<Type, Param>::Method method) {
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return new AnimationCallbacksAbsoluteWithParam<Type, Param>(param, obj, method);
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}
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template <typename AnimType>
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class SimpleAnimation {
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public:
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typedef Function<void> Callbacks;
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SimpleAnimation() : _data(0) {
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}
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bool animating(uint64 ms) {
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if (_data && _data->_a.animating()) {
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_data->_a.step(ms);
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return _data && _data->_a.animating();
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}
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return false;
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}
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bool isNull() {
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return !_data;
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}
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typename AnimType::Type current() {
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return _data ? _data->a.current() : typename AnimType::Type();
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}
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typename AnimType::Type current(uint64 ms, const typename AnimType::Type &def) {
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return animating(ms) ? current() : def;
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}
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void setup(const typename AnimType::Type &from, Callbacks *update) {
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if (!_data) {
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_data = new Data(from, update, animation(this, &SimpleAnimation<AnimType>::step));
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} else {
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delete update;
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_data->a = AnimType(from, from);
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}
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}
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void start(const typename AnimType::Type &to, float64 duration, anim::transition transition = anim::linear) {
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if (_data) {
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_data->a.start(to);
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_data->_a.start();
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_data->duration = duration;
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_data->transition = transition;
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}
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}
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~SimpleAnimation() {
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delete _data;
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setBadPointer(_data);
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}
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private:
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typedef struct _Data {
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_Data(const typename AnimType::Type &from, Callbacks *update, AnimationCallbacks *acb)
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: a(from, from)
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, _a(acb)
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, update(update)
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, duration(0)
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, transition(anim::linear) {
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}
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~_Data() {
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delete update;
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setBadPointer(update);
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}
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AnimType a;
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Animation _a;
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Callbacks *update;
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float64 duration;
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anim::transition transition;
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} Data;
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Data *_data;
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void step(float64 ms, bool timer) {
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float64 dt = (ms >= _data->duration) ? 1 : (ms / _data->duration);
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if (dt >= 1) {
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_data->a.finish();
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_data->_a.stop();
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} else {
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_data->a.update(dt, _data->transition);
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}
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if (timer) {
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_data->update->call();
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}
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if (!_data->_a.animating()) {
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delete _data;
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_data = 0;
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}
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}
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};
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typedef SimpleAnimation<anim::fvalue> FloatAnimation;
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typedef SimpleAnimation<anim::ivalue> IntAnimation;
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typedef SimpleAnimation<anim::cvalue> ColorAnimation;
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#define EnsureAnimation(animation, from, callback) if ((animation).isNull()) { (animation).setup((from), (callback)); }
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class ClipReader;
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class AnimationManager : public QObject {
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Q_OBJECT
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public:
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AnimationManager();
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void start(Animation *obj);
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void stop(Animation *obj);
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public slots:
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void timeout();
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void clipReinit(ClipReader *reader, qint32 threadIndex);
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void clipRepaint(ClipReader *reader, qint32 threadIndex);
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private:
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typedef QMap<Animation*, NullType> AnimatingObjects;
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AnimatingObjects _objects, _starting, _stopping;
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QTimer _timer;
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bool _iterating;
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};
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class FileLocation;
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enum ClipState {
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ClipReading,
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ClipError,
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};
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struct ClipFrameRequest {
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ClipFrameRequest() : factor(0), framew(0), frameh(0), outerw(0), outerh(0), rounded(false) {
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}
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bool valid() const {
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return factor > 0;
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}
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int32 factor;
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int32 framew, frameh;
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int32 outerw, outerh;
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bool rounded;
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};
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template <typename Type>
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class Atomic {
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public:
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Atomic(const Type &value = Type()) : _v(1, value) {
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}
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Type get() const {
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QVector<Type> v(_v);
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return v.at(0);
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}
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void set(const Type &value) {
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QVector<Type> v(1, value);
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_v = v;
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}
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private:
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QVector<Type> _v;
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};
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enum ClipReaderNotification {
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ClipReaderReinit,
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ClipReaderRepaint,
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};
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class ClipReaderPrivate;
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class ClipReader {
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public:
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typedef Function1<void, ClipReaderNotification> Callback;
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ClipReader(const FileLocation &location, const QByteArray &data, Callback *cb = 0);
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static void callback(ClipReader *reader, int32 threadIndex, ClipReaderNotification notification); // reader can be deleted
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void setAutoplay() {
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_autoplay = true;
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}
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bool autoplay() const {
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return _autoplay;
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}
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void start(int32 framew, int32 frameh, int32 outerw, int32 outerh, bool rounded);
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QPixmap current(int32 framew, int32 frameh, int32 outerw, int32 outerh, uint64 ms);
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QImage frameOriginal() const {
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return _currentOriginal;
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}
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bool currentDisplayed() const {
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return _currentDisplayed.get();
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}
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bool paused() const {
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return _paused.get();
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}
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int32 threadIndex() const {
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return _threadIndex;
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}
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int32 width() const;
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int32 height() const;
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ClipState state() const;
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bool started() const {
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return _request.valid();
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}
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bool ready() const;
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void stop();
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void error();
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~ClipReader();
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private:
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Callback *_cb;
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ClipState _state;
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ClipFrameRequest _request;
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mutable int32 _width, _height;
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QPixmap _current;
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|
QImage _currentOriginal, _cacheForResize;
|
|
Atomic<bool> _currentDisplayed, _paused;
|
|
Atomic<uint64> _lastDisplayMs;
|
|
int32 _threadIndex;
|
|
|
|
bool _autoplay;
|
|
|
|
friend class ClipReadManager;
|
|
|
|
ClipReaderPrivate *_private;
|
|
|
|
};
|
|
|
|
static ClipReader * const BadClipReader = reinterpret_cast<ClipReader * const>(&SharedMemoryLocation0);
|
|
|
|
enum ClipProcessResult {
|
|
ClipProcessError,
|
|
ClipProcessStarted,
|
|
ClipProcessReinit,
|
|
ClipProcessRepaint,
|
|
ClipProcessWait,
|
|
};
|
|
|
|
class ClipReadManager : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
ClipReadManager(QThread *thread);
|
|
int32 loadLevel() const {
|
|
return _loadLevel.loadAcquire();
|
|
}
|
|
void append(ClipReader *reader, const FileLocation &location, const QByteArray &data);
|
|
void start(ClipReader *reader);
|
|
void update(ClipReader *reader);
|
|
void stop(ClipReader *reader);
|
|
bool carries(ClipReader *reader) const;
|
|
~ClipReadManager();
|
|
|
|
signals:
|
|
|
|
void processDelayed();
|
|
|
|
void reinit(ClipReader *reader, qint32 threadIndex);
|
|
void repaint(ClipReader *reader, qint32 threadIndex);
|
|
|
|
public slots:
|
|
|
|
void process();
|
|
void finish();
|
|
|
|
private:
|
|
|
|
void clear();
|
|
|
|
QAtomicInt _loadLevel;
|
|
typedef QMap<ClipReader*, ClipReaderPrivate*> ReaderPointers;
|
|
ReaderPointers _readerPointers;
|
|
mutable QMutex _readerPointersMutex;
|
|
|
|
bool handleProcessResult(ClipReaderPrivate *reader, ClipProcessResult result, uint64 ms);
|
|
|
|
enum ResultHandleState {
|
|
ResultHandleRemove,
|
|
ResultHandleStop,
|
|
ResultHandleContinue,
|
|
};
|
|
ResultHandleState handleResult(ClipReaderPrivate *reader, ClipProcessResult result, uint64 ms);
|
|
|
|
typedef QMap<ClipReaderPrivate*, uint64> Readers;
|
|
Readers _readers;
|
|
|
|
QTimer _timer;
|
|
QThread *_processingInThread;
|
|
bool _needReProcess;
|
|
|
|
};
|
|
|
|
MTPDocumentAttribute clipReadAnimatedAttributes(const QString &fname, const QByteArray &data, QImage &cover);
|