303 lines
9.0 KiB
C#
303 lines
9.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Primitives;
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namespace OpenRA.Widgets
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{
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public static class WidgetUtils
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{
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public static Sprite GetChromeImage(World world, string name)
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{
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return ChromeProvider.GetImage("chrome-" + world.LocalPlayer.Faction.InternalName, name);
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}
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public static void DrawRGBA(Sprite s, float2 pos)
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{
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Game.Renderer.RgbaSpriteRenderer.DrawSprite(s, pos);
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}
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public static void DrawSHPCentered(Sprite s, float2 pos, PaletteReference p)
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{
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Game.Renderer.SpriteRenderer.DrawSprite(s, pos - 0.5f * s.Size, p);
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}
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public static void DrawSHPCentered(Sprite s, float2 pos, PaletteReference p, float scale)
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{
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Game.Renderer.SpriteRenderer.DrawSprite(s, pos - 0.5f * scale * s.Size, p, scale * s.Size);
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}
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public static void DrawPanel(string collection, Rectangle bounds)
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{
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DrawPanelPartial(collection, bounds, PanelSides.All);
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}
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public static void FillRectWithSprite(Rectangle r, Sprite s)
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{
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for (var x = r.Left; x < r.Right; x += (int)s.Size.X)
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for (var y = r.Top; y < r.Bottom; y += (int)s.Size.Y)
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{
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var ss = s;
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var left = new int2(r.Right - x, r.Bottom - y);
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if (left.X < (int)s.Size.X || left.Y < (int)s.Size.Y)
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{
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var rr = new Rectangle(s.Bounds.Left,
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s.Bounds.Top,
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Math.Min(left.X, (int)s.Size.X),
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Math.Min(left.Y, (int)s.Size.Y));
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ss = new Sprite(s.Sheet, rr, s.Channel);
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}
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DrawRGBA(ss, new float2(x, y));
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}
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}
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public static void FillRectWithColor(Rectangle r, Color c)
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{
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// Offset to the edges of the pixels
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var tl = new float2(r.Left - 0.5f, r.Top - 0.5f);
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var br = new float2(r.Right - 0.5f, r.Bottom - 0.5f);
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Game.Renderer.RgbaColorRenderer.FillRect(tl, br, c);
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}
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public static void FillEllipseWithColor(Rectangle r, Color c)
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{
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var tl = new float2(r.Left, r.Top);
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var br = new float2(r.Right, r.Bottom);
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Game.Renderer.RgbaColorRenderer.FillEllipse(tl, br, c);
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}
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public static int[] GetBorderSizes(string collection)
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{
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var images = new[] { "border-t", "border-b", "border-l", "border-r" };
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var ss = images.Select(i => ChromeProvider.GetImage(collection, i)).ToList();
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return new[] { (int)ss[0].Size.Y, (int)ss[1].Size.Y, (int)ss[2].Size.X, (int)ss[3].Size.X };
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}
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static bool HasFlags(this PanelSides a, PanelSides b)
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{
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// PERF: Enum.HasFlag is slower and requires allocations.
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return (a & b) == b;
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}
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public static Rectangle InflateBy(this Rectangle rect, int l, int t, int r, int b)
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{
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return Rectangle.FromLTRB(rect.Left - l, rect.Top - t,
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rect.Right + r, rect.Bottom + b);
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}
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public static void DrawPanelPartial(string collection, Rectangle bounds, PanelSides ps)
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{
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DrawPanelPartial(bounds, ps,
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ChromeProvider.GetImage(collection, "border-t"),
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ChromeProvider.GetImage(collection, "border-b"),
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ChromeProvider.GetImage(collection, "border-l"),
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ChromeProvider.GetImage(collection, "border-r"),
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ChromeProvider.GetImage(collection, "corner-tl"),
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ChromeProvider.GetImage(collection, "corner-tr"),
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ChromeProvider.GetImage(collection, "corner-bl"),
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ChromeProvider.GetImage(collection, "corner-br"),
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ChromeProvider.GetImage(collection, "background"));
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}
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public static void DrawPanelPartial(Rectangle bounds, PanelSides ps,
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Sprite borderTop,
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Sprite borderBottom,
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Sprite borderLeft,
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Sprite borderRight,
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Sprite cornerTopLeft,
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Sprite cornerTopRight,
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Sprite cornerBottomLeft,
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Sprite cornerBottomRight,
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Sprite background)
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{
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var marginLeft = borderLeft == null ? 0 : (int)borderLeft.Size.X;
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var marginTop = borderTop == null ? 0 : (int)borderTop.Size.Y;
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var marginRight = borderRight == null ? 0 : (int)borderRight.Size.X;
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var marginBottom = borderBottom == null ? 0 : (int)borderBottom.Size.Y;
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var marginWidth = marginRight + marginLeft;
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var marginHeight = marginBottom + marginTop;
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// Background
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if (ps.HasFlags(PanelSides.Center) && background != null)
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FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Top + marginTop,
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bounds.Width - marginWidth, bounds.Height - marginHeight),
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background);
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// Left border
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if (ps.HasFlags(PanelSides.Left) && borderLeft != null)
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FillRectWithSprite(new Rectangle(bounds.Left, bounds.Top + marginTop,
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marginLeft, bounds.Height - marginHeight),
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borderLeft);
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// Right border
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if (ps.HasFlags(PanelSides.Right) && borderRight != null)
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FillRectWithSprite(new Rectangle(bounds.Right - marginRight, bounds.Top + marginTop,
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marginLeft, bounds.Height - marginHeight),
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borderRight);
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// Top border
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if (ps.HasFlags(PanelSides.Top) && borderTop != null)
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FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Top,
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bounds.Width - marginWidth, marginTop),
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borderTop);
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// Bottom border
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if (ps.HasFlags(PanelSides.Bottom) && borderBottom != null)
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FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Bottom - marginBottom,
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bounds.Width - marginWidth, marginTop),
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borderBottom);
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if (ps.HasFlags(PanelSides.Left | PanelSides.Top) && cornerTopLeft != null)
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DrawRGBA(cornerTopLeft, new float2(bounds.Left, bounds.Top));
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if (ps.HasFlags(PanelSides.Right | PanelSides.Top) && cornerTopRight != null)
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DrawRGBA(cornerTopRight, new float2(bounds.Right - cornerTopRight.Size.X, bounds.Top));
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if (ps.HasFlags(PanelSides.Left | PanelSides.Bottom) && cornerBottomLeft != null)
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DrawRGBA(cornerBottomLeft, new float2(bounds.Left, bounds.Bottom - cornerBottomLeft.Size.Y));
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if (ps.HasFlags(PanelSides.Right | PanelSides.Bottom) && cornerBottomRight != null)
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DrawRGBA(cornerBottomRight, new float2(bounds.Right - cornerBottomRight.Size.X, bounds.Bottom - cornerBottomRight.Size.Y));
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}
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public static string FormatTime(int ticks, int timestep)
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{
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return FormatTime(ticks, true, timestep);
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}
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public static string FormatTime(int ticks, bool leadingMinuteZero, int timestep)
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{
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var seconds = (int)Math.Ceiling(ticks * timestep / 1000f);
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return FormatTimeSeconds(seconds, leadingMinuteZero);
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}
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public static string FormatTimeSeconds(int seconds)
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{
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return FormatTimeSeconds(seconds, true);
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}
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public static string FormatTimeSeconds(int seconds, bool leadingMinuteZero)
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{
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var minutes = seconds / 60;
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if (minutes >= 60)
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return "{0:D}:{1:D2}:{2:D2}".F(minutes / 60, minutes % 60, seconds % 60);
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if (leadingMinuteZero)
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return "{0:D2}:{1:D2}".F(minutes, seconds % 60);
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return "{0:D}:{1:D2}".F(minutes, seconds % 60);
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}
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public static string WrapText(string text, int width, SpriteFont font)
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{
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var textSize = font.Measure(text);
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if (textSize.X > width)
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{
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var lines = text.Split('\n').ToList();
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for (var i = 0; i < lines.Count; i++)
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{
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var line = lines[i];
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if (font.Measure(line).X <= width)
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continue;
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// Scan forwards until we find the last word that fits
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// This guarantees a small bound on the amount of string we need to search before a linebreak
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var start = 0;
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while (true)
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{
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var spaceIndex = line.IndexOf(' ', start);
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if (spaceIndex == -1)
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break;
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var fragmentWidth = font.Measure(line.Substring(0, spaceIndex)).X;
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if (fragmentWidth > width)
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break;
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start = spaceIndex + 1;
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}
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if (start > 0)
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{
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lines[i] = line.Substring(0, start - 1);
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lines.Insert(i + 1, line.Substring(start));
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}
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}
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return string.Join("\n", lines);
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}
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return text;
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}
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public static string TruncateText(string text, int width, SpriteFont font)
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{
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var trimmedWidth = font.Measure(text).X;
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if (trimmedWidth <= width)
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return text;
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var trimmed = text;
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while (trimmedWidth > width && trimmed.Length > 3)
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{
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trimmed = text.Substring(0, trimmed.Length - 4) + "...";
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trimmedWidth = font.Measure(trimmed).X;
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}
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return trimmed;
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}
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public static Color GetContrastColor(Color fgColor, Color bgDark, Color bgLight)
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{
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var fg = new HSLColor(fgColor);
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return fg.RGB == Color.White || fg.L > 80 ? bgDark : bgLight;
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}
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}
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public class CachedTransform<T, U>
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{
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readonly Func<T, U> transform;
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bool initialized;
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T lastInput;
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U lastOutput;
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public CachedTransform(Func<T, U> transform)
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{
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this.transform = transform;
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}
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public U Update(T input)
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{
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if (initialized && ((input == null && lastInput == null) || (input != null && input.Equals(lastInput))))
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return lastOutput;
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lastInput = input;
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lastOutput = transform(input);
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initialized = true;
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return lastOutput;
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}
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}
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[Flags]
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public enum PanelSides
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{
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Left = 1,
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Top = 2,
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Right = 4,
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Bottom = 8,
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Center = 16,
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Edges = Left | Top | Right | Bottom,
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All = Edges | Center,
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}
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}
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