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82 lines
2.7 KiB
C#
82 lines
2.7 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) 2007-2018 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 System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Linq;
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namespace ShareX.HelpersLib
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{
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public class GradientInfo
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{
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[DefaultValue(LinearGradientMode.Vertical)]
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public LinearGradientMode Type { get; set; }
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public List<GradientStop> Colors { get; set; }
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public bool IsValid
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{
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get
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{
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return Colors != null && Colors.Count >= 2 && Colors.Any(x => x.Location == 0f) && Colors.Any(x => x.Location == 100f);
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}
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}
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public GradientInfo()
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{
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Type = LinearGradientMode.Vertical;
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Colors = new List<GradientStop>();
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}
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public void Draw(Graphics g, Rectangle rect)
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{
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if (IsValid)
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{
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try
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{
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, rect.Width, rect.Height), Color.White, Color.White, Type))
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{
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ColorBlend colorBlend = new ColorBlend();
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IEnumerable<GradientStop> gradient = Colors.OrderBy(x => x.Location);
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colorBlend.Colors = gradient.Select(x => x.Color).ToArray();
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colorBlend.Positions = gradient.Select(x => x.Location / 100).ToArray();
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brush.InterpolationColors = colorBlend;
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g.FillRectangle(brush, rect);
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}
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}
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catch
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{
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}
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}
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}
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public override string ToString()
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{
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return "Gradient";
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}
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}
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} |