mirror of
https://github.com/ShareX/ShareX.git
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504 lines
16 KiB
C#
504 lines
16 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2024 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib.Properties;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public static class Extensions
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{
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public static void ForEach<T>(this IEnumerable<T> source, Action<T> action)
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{
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if (source == null) throw new ArgumentNullException(nameof(source));
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if (action == null) throw new ArgumentNullException(nameof(action));
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foreach (T item in source)
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{
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action(item);
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}
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}
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public static byte[] GetBytes(this Image img)
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{
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using (MemoryStream ms = new MemoryStream())
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{
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img.Save(ms, img.RawFormat);
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return ms.ToArray();
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}
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}
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public static Stream GetStream(this Image img)
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{
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MemoryStream ms = new MemoryStream();
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img.Save(ms, img.RawFormat);
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return ms;
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}
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public static ImageCodecInfo GetCodecInfo(this ImageFormat format)
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{
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return ImageCodecInfo.GetImageEncoders().FirstOrDefault(info => info.FormatID.Equals(format.Guid));
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}
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public static string GetMimeType(this ImageFormat format)
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{
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ImageCodecInfo codec = format.GetCodecInfo();
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if (codec != null) return codec.MimeType;
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return "image/unknown";
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}
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public static bool IsValidIndex<T>(this T[] array, int index)
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{
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return array != null && index >= 0 && index < array.Length;
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}
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public static bool IsValidIndex<T>(this List<T> list, int index)
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{
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return list != null && index >= 0 && index < list.Count;
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}
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public static T ReturnIfValidIndex<T>(this T[] array, int index)
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{
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if (array.IsValidIndex(index)) return array[index];
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return default;
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}
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public static T ReturnIfValidIndex<T>(this List<T> list, int index)
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{
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if (list.IsValidIndex(index)) return list[index];
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return default;
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}
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public static T Last<T>(this T[] array, int index = 0)
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{
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if (array.Length > index) return array[array.Length - index - 1];
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return default;
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}
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public static T Last<T>(this List<T> list, int index = 0)
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{
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if (list.Count > index) return list[list.Count - index - 1];
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return default;
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}
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public static double ToDouble(this Version value)
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{
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return (Math.Max(value.Major, 0) * Math.Pow(10, 12)) +
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(Math.Max(value.Minor, 0) * Math.Pow(10, 9)) +
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(Math.Max(value.Build, 0) * Math.Pow(10, 6)) +
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Math.Max(value.Revision, 0);
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}
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public static bool IsValid(this Rectangle rect)
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{
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return rect.Width > 0 && rect.Height > 0;
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}
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public static bool IsValid(this RectangleF rect)
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{
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return rect.Width > 0 && rect.Height > 0;
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}
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public static Point Add(this Point point, int offsetX, int offsetY)
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{
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return new Point(point.X + offsetX, point.Y + offsetY);
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}
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public static Point Add(this Point point, Point offset)
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{
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return new Point(point.X + offset.X, point.Y + offset.Y);
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}
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public static Point Add(this Point point, int offset)
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{
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return point.Add(offset, offset);
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}
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public static PointF Add(this PointF point, float offsetX, float offsetY)
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{
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return new PointF(point.X + offsetX, point.Y + offsetY);
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}
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public static PointF Add(this PointF point, PointF offset)
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{
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return new PointF(point.X + offset.X, point.Y + offset.Y);
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}
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public static PointF Scale(this Point point, float scaleFactor)
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{
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return new PointF(point.X * scaleFactor, point.Y * scaleFactor);
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}
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public static PointF Scale(this PointF point, float scaleFactor)
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{
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return new PointF(point.X * scaleFactor, point.Y * scaleFactor);
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}
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public static Point Round(this PointF point)
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{
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return Point.Round(point);
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}
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public static void Offset(this PointF point, PointF offset)
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{
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point.X += offset.X;
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point.Y += offset.Y;
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}
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public static Size Offset(this Size size, int offset)
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{
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return size.Offset(offset, offset);
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}
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public static Size Offset(this Size size, int width, int height)
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{
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return new Size(size.Width + width, size.Height + height);
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}
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public static Rectangle Offset(this Rectangle rect, int offset)
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{
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return new Rectangle(rect.X - offset, rect.Y - offset, rect.Width + (offset * 2), rect.Height + (offset * 2));
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}
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public static RectangleF Offset(this RectangleF rect, float offset)
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{
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return new RectangleF(rect.X - offset, rect.Y - offset, rect.Width + (offset * 2), rect.Height + (offset * 2));
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}
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public static RectangleF Scale(this RectangleF rect, float scaleFactor)
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{
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return new RectangleF(rect.X * scaleFactor, rect.Y * scaleFactor, rect.Width * scaleFactor, rect.Height * scaleFactor);
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}
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public static Rectangle Round(this RectangleF rect)
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{
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return Rectangle.Round(rect);
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}
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public static Rectangle LocationOffset(this Rectangle rect, int x, int y)
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{
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return new Rectangle(rect.X + x, rect.Y + y, rect.Width, rect.Height);
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}
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public static RectangleF LocationOffset(this RectangleF rect, float x, float y)
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{
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return new RectangleF(rect.X + x, rect.Y + y, rect.Width, rect.Height);
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}
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public static RectangleF LocationOffset(this RectangleF rect, PointF offset)
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{
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return rect.LocationOffset(offset.X, offset.Y);
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}
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public static Rectangle LocationOffset(this Rectangle rect, Point offset)
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{
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return rect.LocationOffset(offset.X, offset.Y);
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}
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public static Rectangle LocationOffset(this Rectangle rect, int offset)
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{
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return rect.LocationOffset(offset, offset);
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}
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public static Rectangle SizeOffset(this Rectangle rect, int width, int height)
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{
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return new Rectangle(rect.X, rect.Y, rect.Width + width, rect.Height + height);
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}
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public static RectangleF SizeOffset(this RectangleF rect, float width, float height)
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{
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return new RectangleF(rect.X, rect.Y, rect.Width + width, rect.Height + height);
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}
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public static Rectangle SizeOffset(this Rectangle rect, int offset)
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{
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return rect.SizeOffset(offset, offset);
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}
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public static RectangleF SizeOffset(this RectangleF rect, float offset)
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{
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return rect.SizeOffset(offset, offset);
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}
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public static string Join<T>(this T[] array, string separator = " ")
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{
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StringBuilder sb = new StringBuilder();
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if (array != null)
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{
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foreach (T t in array)
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{
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if (sb.Length > 0 && !string.IsNullOrEmpty(separator)) sb.Append(separator);
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sb.Append(t);
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}
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}
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return sb.ToString();
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}
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public static int WeekOfYear(this DateTime dateTime)
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{
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return CultureInfo.CurrentCulture.Calendar.GetWeekOfYear(dateTime, CalendarWeekRule.FirstDay, DayOfWeek.Monday);
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}
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public static Icon ToIcon(this Bitmap bmp)
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{
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IntPtr handle = bmp.GetHicon();
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return Icon.FromHandle(handle);
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}
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public static void DisposeHandle(this Icon icon)
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{
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if (icon.Handle != IntPtr.Zero)
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{
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NativeMethods.DestroyIcon(icon.Handle);
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}
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}
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public static void ApplyDefaultPropertyValues(this object self)
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{
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foreach (PropertyDescriptor prop in TypeDescriptor.GetProperties(self))
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{
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if (prop.Attributes[typeof(DefaultValueAttribute)] is DefaultValueAttribute attr)
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{
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prop.SetValue(self, attr.Value);
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}
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}
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}
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public static Bitmap CreateEmptyBitmap(this Image img, int widthOffset = 0, int heightOffset = 0, PixelFormat pixelFormat = PixelFormat.Format32bppArgb)
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{
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Bitmap bmp = new Bitmap(img.Width + widthOffset, img.Height + heightOffset, pixelFormat);
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bmp.SetResolution(img.HorizontalResolution, img.VerticalResolution);
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return bmp;
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}
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public static Bitmap CreateEmptyBitmap(this Image img, PixelFormat pixelFormat)
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{
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return img.CreateEmptyBitmap(0, 0, pixelFormat);
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}
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public static string GetDescription(this Type type)
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{
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DescriptionAttribute[] attributes = (DescriptionAttribute[])type.GetCustomAttributes(typeof(DescriptionAttribute), false);
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return attributes.Length > 0 ? attributes[0].Description : type.Name;
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}
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public static IEnumerable<T> TakeLast<T>(this IEnumerable<T> source, int count)
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{
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return source.Reverse().Take(count).Reverse();
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}
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public static Version Normalize(this Version version, bool ignoreRevision = false, bool ignoreBuild = false, bool ignoreMinor = false)
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{
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return new Version(Math.Max(version.Major, 0),
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ignoreMinor ? 0 : Math.Max(version.Minor, 0),
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ignoreBuild ? 0 : Math.Max(version.Build, 0),
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ignoreRevision ? 0 : Math.Max(version.Revision, 0));
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}
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public static void Move<T>(this List<T> list, int oldIndex, int newIndex)
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{
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T obj = list[oldIndex];
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list.RemoveAt(oldIndex);
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list.Insert(newIndex, obj);
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}
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public static Rectangle Combine(this IEnumerable<Rectangle> rects)
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{
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Rectangle result = Rectangle.Empty;
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foreach (Rectangle rect in rects)
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{
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if (result.IsEmpty)
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{
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result = rect;
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}
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else
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{
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result = Rectangle.Union(result, rect);
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}
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}
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return result;
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}
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public static RectangleF Combine(this IEnumerable<RectangleF> rects)
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{
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RectangleF result = RectangleF.Empty;
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foreach (RectangleF rect in rects)
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{
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if (result.IsEmpty)
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{
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result = rect;
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}
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else
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{
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result = RectangleF.Union(result, rect);
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}
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}
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return result;
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}
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public static RectangleF AddPoint(this RectangleF rect, PointF point)
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{
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return RectangleF.Union(rect, new RectangleF(point, new SizeF(1, 1)));
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}
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public static RectangleF CreateRectangle(this IEnumerable<PointF> points)
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{
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RectangleF result = Rectangle.Empty;
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foreach (PointF point in points)
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{
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if (result.IsEmpty)
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{
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result = new RectangleF(point, new Size(1, 1));
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}
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else
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{
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result = result.AddPoint(point);
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}
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}
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return result;
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}
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public static Point Center(this Rectangle rect)
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{
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return new Point(rect.X + (rect.Width / 2), rect.Y + (rect.Height / 2));
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}
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public static PointF Center(this RectangleF rect)
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{
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return new PointF(rect.X + (rect.Width / 2), rect.Y + (rect.Height / 2));
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}
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public static float Area(this RectangleF rect)
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{
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return rect.Width * rect.Height;
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}
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public static float Perimeter(this RectangleF rect)
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{
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return 2 * (rect.Width + rect.Height);
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}
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public static PointF Restrict(this PointF point, RectangleF rect)
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{
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point.X = Math.Max(point.X, rect.X);
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point.Y = Math.Max(point.Y, rect.Y);
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point.X = Math.Min(point.X, rect.X + rect.Width - 1);
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point.Y = Math.Min(point.Y, rect.Y + rect.Height - 1);
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return point;
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}
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public static void ShowError(this Exception e, bool fullError = true)
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{
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string error = fullError ? e.ToString() : e.Message;
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MessageBox.Show(error, "ShareX - " + Resources.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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public static Task ContinueInCurrentContext(this Task task, Action action)
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{
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TaskScheduler scheduler = TaskScheduler.FromCurrentSynchronizationContext();
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return task.ContinueWith(t => action(), scheduler);
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}
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public static List<T> Range<T>(this List<T> source, int start, int end)
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{
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List<T> list = new List<T>();
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if (start > end)
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{
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for (int i = start; i >= end; i--)
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{
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list.Add(source[i]);
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}
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}
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else
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{
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for (int i = start; i <= end; i++)
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{
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list.Add(source[i]);
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}
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}
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return list;
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}
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public static List<T> Range<T>(this List<T> source, T start, T end)
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{
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int startIndex = source.IndexOf(start);
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if (startIndex == -1) return new List<T>();
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int endIndex = source.IndexOf(end);
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if (endIndex == -1) return new List<T>();
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return Range(source, startIndex, endIndex);
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}
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public static T CloneSafe<T>(this T obj) where T : class, ICloneable
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{
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try
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{
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if (obj != null)
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{
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return obj.Clone() as T;
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}
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}
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catch (Exception e)
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{
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DebugHelper.WriteException(e);
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}
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return null;
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}
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public static bool IsTransparent(this Color color)
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{
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return color.A < 255;
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}
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public static string ToStringProper(this Rectangle rect)
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{
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return $"X: {rect.X}, Y: {rect.Y}, Width: {rect.Width}, Height: {rect.Height}";
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}
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}
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} |