init

Telegram/lib_ui/ui/effects/cross_line.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 "styles/style_widgets.h"
+
+namespace Ui {
+
+class CrossLineAnimation {
+public:
+	CrossLineAnimation(
+		const style::CrossLineAnimation &st,
+		bool reversed = false,
+		float angle = 315);
+
+	void paint(
+		QPainter &p,
+		QPoint position,
+		float64 progress,
+		std::optional<QColor> colorOverride = std::nullopt);
+	void paint(
+		QPainter &p,
+		int left,
+		int top,
+		float64 progress,
+		std::optional<QColor> colorOverride = std::nullopt);
+
+	void invalidate();
+
+private:
+	void fillFrame(float64 progress, std::optional<QColor> colorOverride);
+
+	const style::CrossLineAnimation &_st;
+	const bool _reversed;
+	const QPen _transparentPen;
+	QPen _strokePen;
+	QLineF _line;
+	QImage _frame;
+	QImage _completeCross;
+	QImage _completeCrossOverride;
+
+};
+
+} // namespace Ui