mirror of
https://github.com/ShareX/ShareX.git
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267 lines
No EOL
9.3 KiB
C#
267 lines
No EOL
9.3 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;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Text;
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namespace ShareX.ScreenCaptureLib
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{
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public class StepDrawingShape : EllipseDrawingShape
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{
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private const int DefaultSize = 30;
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public override ShapeType ShapeType { get; } = ShapeType.DrawingStep;
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public int FontSize { get; set; }
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public int Number { get; set; }
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public StepType StepUseType { get; set; } = StepType.Numbers;
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public bool IsTailActive { get; set; }
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private Point tailPosition;
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public Point TailPosition
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{
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get
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{
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return tailPosition;
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}
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private set
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{
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tailPosition = value;
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TailNode.Position = tailPosition;
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}
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}
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public bool TailVisible => !Rectangle.Contains(TailPosition);
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internal ResizeNode TailNode => Manager.ResizeNodes[(int)NodePosition.Extra];
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protected const float TailWidthMultiplier = 1f;
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public StepDrawingShape()
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{
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Rectangle = new Rectangle(0, 0, DefaultSize, DefaultSize);
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}
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public override void OnCreating()
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{
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Manager.IsMoving = true;
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Point pos = InputManager.ClientMousePosition;
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Rectangle = new Rectangle(new Point(pos.X - (Rectangle.Width / 2), pos.Y - (Rectangle.Height / 2)), Rectangle.Size);
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int tailOffset = 5;
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TailPosition = Rectangle.Location.Add(Rectangle.Width + tailOffset, Rectangle.Height + tailOffset);
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}
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protected override void UseLightResizeNodes()
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{
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Manager.ResizeNodes[(int)NodePosition.Extra].Shape = NodeShape.Circle;
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}
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public override void OnNodeVisible()
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{
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TailNode.Position = TailPosition;
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TailNode.Visible = true;
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}
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public override void OnNodeUpdate()
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{
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if (TailNode.IsDragging)
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{
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IsTailActive = true;
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TailPosition = InputManager.ClientMousePosition;
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}
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}
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public override void OnNodePositionUpdate()
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{
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}
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public override void OnConfigLoad()
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{
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BorderColor = AnnotationOptions.StepBorderColor;
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BorderSize = AnnotationOptions.StepBorderSize;
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FillColor = AnnotationOptions.StepFillColor;
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Shadow = AnnotationOptions.Shadow;
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ShadowColor = AnnotationOptions.ShadowColor;
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ShadowOffset = AnnotationOptions.ShadowOffset;
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FontSize = AnnotationOptions.StepFontSize;
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StepUseType = AnnotationOptions.StepUseType;
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}
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public override void OnConfigSave()
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{
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AnnotationOptions.StepBorderColor = BorderColor;
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AnnotationOptions.StepBorderSize = BorderSize;
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AnnotationOptions.StepFillColor = FillColor;
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AnnotationOptions.Shadow = Shadow;
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AnnotationOptions.ShadowColor = ShadowColor;
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AnnotationOptions.ShadowOffset = ShadowOffset;
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AnnotationOptions.StepFontSize = FontSize;
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AnnotationOptions.StepUseType = StepUseType;
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}
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public override void OnDraw(Graphics g)
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{
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DrawNumber(g);
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}
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private string GetText()
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{
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switch (StepUseType)
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{
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case StepType.Letters:
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return Helpers.NumberToLetters(Number);
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case StepType.RomanNumerals:
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return Helpers.NumberToRomanNumeral(Number);
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default:
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return Number.ToString();
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}
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}
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protected void DrawNumber(Graphics g)
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{
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string text = GetText();
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using (Font font = new Font(FontFamily.GenericSansSerif, FontSize, FontStyle.Bold))
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{
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Size textSize = g.MeasureString(text, font).ToSize();
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int maxSize = Math.Max(textSize.Width, textSize.Height);
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int padding = 3;
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Point center = Rectangle.Center();
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Rectangle = new Rectangle(center.X - (maxSize / 2) - padding, center.Y - (maxSize / 2) - padding, maxSize + (padding * 2), maxSize + (padding * 2));
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if (Shadow)
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{
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if (IsBorderVisible)
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{
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DrawEllipse(g, ShadowColor, BorderSize, BorderStyle, Color.Transparent, Rectangle.LocationOffset(ShadowOffset));
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}
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else if (FillColor.A == 255)
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{
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DrawEllipse(g, Color.Transparent, 0, BorderStyle, ShadowColor, Rectangle.LocationOffset(ShadowOffset));
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}
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}
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if (IsTailActive && TailVisible)
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{
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if (Shadow)
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{
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DrawTail(g, ShadowColor, Rectangle.Offset(BorderSize / 2).LocationOffset(ShadowOffset), TailPosition.Add(ShadowOffset));
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}
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Color tailColor;
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if (IsBorderVisible)
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{
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tailColor = BorderColor;
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}
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else
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{
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tailColor = FillColor;
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}
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DrawTail(g, tailColor, Rectangle.Offset(BorderSize / 2), TailPosition);
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}
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DrawEllipse(g, BorderColor, BorderSize, BorderStyle, FillColor, Rectangle);
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if (Shadow)
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{
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DrawNumber(g, text, font, ShadowColor, Rectangle.LocationOffset(ShadowOffset));
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}
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DrawNumber(g, text, font, BorderColor, Rectangle);
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}
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}
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protected void DrawNumber(Graphics g, string text, Font font, Color textColor, Rectangle rect)
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{
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using (StringFormat sf = new StringFormat { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center })
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using (Brush textBrush = new SolidBrush(textColor))
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{
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g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
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rect = rect.LocationOffset(0, 1);
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g.DrawString(text, font, textBrush, rect, sf);
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g.TextRenderingHint = TextRenderingHint.SystemDefault;
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}
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}
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private void DrawTail(Graphics g, Color tailColor, Rectangle rectangle, Point tailPosition)
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{
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using (GraphicsPath gpTail = CreateTailPath(rectangle, tailPosition))
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{
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if (gpTail != null)
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{
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g.SmoothingMode = SmoothingMode.HighQuality;
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using (Brush brush = new SolidBrush(tailColor))
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{
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g.FillPath(brush, gpTail);
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}
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g.SmoothingMode = SmoothingMode.None;
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}
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}
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}
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public override void Move(int x, int y)
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{
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base.Move(x, y);
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TailPosition = TailPosition.Add(x, y);
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}
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public override void Resize(int x, int y, bool fromBottomRight)
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{
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Move(x, y);
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}
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protected GraphicsPath CreateTailPath(Rectangle rect, Point tailPosition)
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{
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GraphicsPath gpTail = new GraphicsPath();
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Point center = rect.Center();
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int rectAverageSize = (rect.Width + rect.Height) / 2;
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int tailWidth = (int)(TailWidthMultiplier * rectAverageSize);
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tailWidth = Math.Min(Math.Min(tailWidth, rect.Width), rect.Height);
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int tailOrigin = tailWidth / 2;
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int tailLength = (int)MathHelpers.Distance(center, tailPosition);
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gpTail.AddLine(0, -tailOrigin, 0, tailOrigin);
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gpTail.AddLine(0, tailOrigin, tailLength, 0);
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gpTail.CloseFigure();
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using (Matrix matrix = new Matrix())
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{
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matrix.Translate(center.X, center.Y);
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float tailDegree = MathHelpers.LookAtDegree(center, tailPosition);
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matrix.Rotate(tailDegree);
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gpTail.Transform(matrix);
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}
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return gpTail;
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}
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}
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} |