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77 lines
2.7 KiB
C#
77 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) 2007-2020 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;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace ShareX.ScreenCaptureLib
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{
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public class ArrowDrawingShape : LineDrawingShape
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{
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public override ShapeType ShapeType { get; } = ShapeType.DrawingArrow;
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public bool ArrowHeadsBothSide { get; set; }
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public override void OnConfigLoad()
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{
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base.OnConfigLoad();
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ArrowHeadsBothSide = AnnotationOptions.ArrowHeadsBothSide;
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}
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public override void OnConfigSave()
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{
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base.OnConfigSave();
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AnnotationOptions.ArrowHeadsBothSide = ArrowHeadsBothSide;
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}
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protected override Pen CreatePen(Color borderColor, int borderSize)
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{
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using (GraphicsPath gp = new GraphicsPath())
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{
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int arrowWidth = 2, arrowHeight = 6, arrowCurve = 1;
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gp.AddLine(new Point(0, 0), new Point(-arrowWidth, -arrowHeight));
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gp.AddCurve(new Point[] { new Point(-arrowWidth, -arrowHeight), new Point(0, -arrowHeight + arrowCurve), new Point(arrowWidth, -arrowHeight) });
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gp.CloseFigure();
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CustomLineCap lineCap = new CustomLineCap(gp, null)
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{
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BaseInset = arrowHeight - arrowCurve
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};
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Pen pen = new Pen(borderColor, borderSize);
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pen.CustomEndCap = lineCap;
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if (ArrowHeadsBothSide && MathHelpers.Distance(Points[0], Points[Points.Length - 1]) > arrowHeight * borderSize * 2)
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{
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pen.CustomStartCap = lineCap;
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}
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pen.LineJoin = LineJoin.Round;
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return pen;
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}
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}
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}
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} |