77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/basic_types.h"
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#include "base/variant.h"
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#include <QSize>
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#include <QColor>
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#include <crl/crl_time.h>
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namespace Lottie {
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constexpr auto kTimeUnknown = std::numeric_limits<crl::time>::min();
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class Animation;
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struct PlaybackOptions {
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float64 speed = 1.;
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bool loop = true;
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};
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struct Information {
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int frameRate = 0;
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int framesCount = 0;
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QSize size;
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};
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struct DisplayFrameRequest {
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crl::time time = 0;
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};
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struct Update {
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base::variant<
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Information,
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DisplayFrameRequest> data;
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};
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enum class Error {
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ParseFailed,
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NotSupported,
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};
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struct FrameRequest {
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QSize box;
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std::optional<QColor> colored;
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[[nodiscard]] bool empty() const {
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return box.isEmpty();
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}
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[[nodiscard]] QSize size(const QSize &original) const {
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Expects(!empty());
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const auto result = original.scaled(box, Qt::KeepAspectRatio);
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const auto skipw = result.width() % 2;
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const auto skiph = result.height() % 2;
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return QSize(
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std::max(result.width() - skipw, 2),
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std::max(result.height() - skiph, 2));
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}
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[[nodiscard]] bool operator==(const FrameRequest &other) const {
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return (box == other.box)
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&& (colored == other.colored);
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}
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[[nodiscard]] bool operator!=(const FrameRequest &other) const {
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return !(*this == other);
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}
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};
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} // namespace Lottie
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