afb81b8278
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100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "ui/style/style_core_types.h"
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#include "ui/effects/animations.h"
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#include "base/weak_ptr.h"
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#include <crl/crl_time.h>
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#include <QtCore/QByteArray>
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#include <optional>
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namespace Ui::Text {
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class CustomEmoji;
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} // namespace Ui::Text
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namespace Lottie {
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struct IconDescriptor {
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QString name;
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QString path;
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QByteArray json;
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const style::color *color = nullptr;
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QSize sizeOverride;
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int frame = 0;
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bool limitFps = false;
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bool colorizeUsingAlpha = false;
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};
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class Icon final : public base::has_weak_ptr {
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public:
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explicit Icon(IconDescriptor &&descriptor);
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Icon(const Icon &other) = delete;
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Icon &operator=(const Icon &other) = delete;
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Icon(Icon &&other) = delete; // _animation captures 'this'.
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Icon &operator=(Icon &&other) = delete;
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[[nodiscard]] bool valid() const;
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[[nodiscard]] int frameIndex() const;
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[[nodiscard]] int framesCount() const;
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[[nodiscard]] QImage frame() const;
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[[nodiscard]] int width() const;
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[[nodiscard]] int height() const;
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[[nodiscard]] QSize size() const;
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struct ResizedFrame {
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QImage image;
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bool scaled = false;
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};
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[[nodiscard]] ResizedFrame frame(
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QSize desiredSize,
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Fn<void()> updateWithPerfect) const;
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void paint(
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QPainter &p,
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int x,
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int y,
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std::optional<QColor> colorOverride = std::nullopt);
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void paintInCenter(
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QPainter &p,
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QRect rect,
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std::optional<QColor> colorOverride = std::nullopt);
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void animate(
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Fn<void()> update,
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int frameFrom,
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int frameTo,
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std::optional<crl::time> duration = std::nullopt);
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void jumpTo(int frame, Fn<void()> update);
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[[nodiscard]] bool animating() const;
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private:
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struct Frame;
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class Inner;
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friend class Inner;
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void wait() const;
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[[nodiscard]] int wantedFrameIndex() const;
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void preloadNextFrame(QSize updatedDesiredSize = QSize()) const;
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void frameJumpFinished();
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std::shared_ptr<Inner> _inner;
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const style::color *_color = nullptr;
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Ui::Animations::Simple _animation;
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mutable int _animationFrameTo = 0;
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const bool _colorizeUsingAlpha = false;
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mutable Fn<void()> _repaint;
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};
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[[nodiscard]] std::unique_ptr<Icon> MakeIcon(IconDescriptor &&descriptor);
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[[nodiscard]] std::unique_ptr<Ui::Text::CustomEmoji> MakeEmoji(
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IconDescriptor &&descriptor,
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Fn<void()> repaint);
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} // namespace Lottie
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