// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. using System; using osuTK; using osuTK.Graphics; using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using osu.Framework.Graphics.Shapes; namespace osu.Game.Graphics.UserInterface { public class Bar : Container, IHasAccentColour { private readonly Box background; private readonly Box bar; private const int resize_duration = 250; private const Easing easing = Easing.InOutCubic; private float length; /// <summary> /// Length of the bar, ranges from 0 to 1 /// </summary> public float Length { get => length; set { length = Math.Clamp(value, 0, 1); updateBarLength(); } } public Color4 BackgroundColour { get => background.Colour; set => background.Colour = value; } public Color4 AccentColour { get => bar.Colour; set => bar.Colour = value; } private BarDirection direction = BarDirection.LeftToRight; public BarDirection Direction { get => direction; set { direction = value; updateBarLength(); } } public Bar() { Children = new[] { background = new Box { RelativeSizeAxes = Axes.Both, Colour = new Color4(0, 0, 0, 0) }, bar = new Box { RelativeSizeAxes = Axes.Both, Width = 0, }, }; } private void updateBarLength() { switch (direction) { case BarDirection.LeftToRight: case BarDirection.RightToLeft: bar.ResizeTo(new Vector2(length, 1), resize_duration, easing); break; case BarDirection.TopToBottom: case BarDirection.BottomToTop: bar.ResizeTo(new Vector2(1, length), resize_duration, easing); break; } switch (direction) { case BarDirection.LeftToRight: case BarDirection.TopToBottom: bar.Anchor = Anchor.TopLeft; bar.Origin = Anchor.TopLeft; break; case BarDirection.RightToLeft: case BarDirection.BottomToTop: bar.Anchor = Anchor.BottomRight; bar.Origin = Anchor.BottomRight; break; } } } [Flags] public enum BarDirection { LeftToRight = 1, RightToLeft = 1 << 1, TopToBottom = 1 << 2, BottomToTop = 1 << 3, Vertical = TopToBottom | BottomToTop, Horizontal = LeftToRight | RightToLeft, } }