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Telegram/lib_lottie/lottie/lottie_common.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "base/basic_types.h"
+
+#include <QSize>
+#include <QColor>
+#include <QImage>
+#include <crl/crl_time.h>
+#include <vector>
+#include <optional>
+
+namespace Lottie {
+
+inline constexpr auto kTimeUnknown = std::numeric_limits<crl::time>::min();
+inline constexpr auto kMaxFileSize = 2 * 1024 * 1024;
+
+constexpr auto kImageFormat = QImage::Format_ARGB32_Premultiplied;
+
+class Animation;
+
+struct Information {
+	QSize size;
+	int frameRate = 0;
+	int framesCount = 0;
+};
+
+enum class Error {
+	ParseFailed,
+	NotSupported,
+};
+
+struct FrameRequest {
+	QSize box;
+	QColor colored = QColor(0, 0, 0, 0);
+	bool mirrorHorizontal = false;
+
+	[[nodiscard]] bool empty() const {
+		return box.isEmpty();
+	}
+	[[nodiscard]] QSize size(
+		const QSize &original,
+		int sizeRounding) const;
+
+	[[nodiscard]] bool operator==(const FrameRequest &other) const {
+		return (box == other.box)
+			&& (colored == other.colored)
+			&& (mirrorHorizontal == other.mirrorHorizontal);
+	}
+	[[nodiscard]] bool operator!=(const FrameRequest &other) const {
+		return !(*this == other);
+	}
+};
+
+enum class Quality : char {
+	Default,
+	High,
+	Synchronous
+};
+
+enum class SkinModifier {
+	None,
+	Color1,
+	Color2,
+	Color3,
+	Color4,
+	Color5,
+};
+
+struct ColorReplacements {
+	std::vector<std::pair<std::uint32_t, std::uint32_t>> replacements;
+	SkinModifier modifier = SkinModifier::None;
+	uint8 tag = 0;
+};
+
+[[nodiscard]] QByteArray ReadContent(
+	const QByteArray &data,
+	const QString &filepath);
+[[nodiscard]] std::string ReadUtf8(const QByteArray &data);
+[[nodiscard]] bool GoodStorageForFrame(const QImage &storage, QSize size);
+[[nodiscard]] QImage CreateFrameStorage(QSize size);
+
+enum class FrameRenderResult {
+	Ok,
+	NotReady,
+	BadCacheSize,
+	Failed,
+};
+
+} // namespace Lottie