/* * Greenshot - a free and open source screenshot tool * Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom * * For more information see: http://getgreenshot.org/ * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 1 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Runtime.Serialization; using Greenshot.Drawing.Fields; using Greenshot.Helpers; using Greenshot.Plugin.Drawing; using Greenshot.Drawing.Adorners; namespace Greenshot.Drawing { /// /// Description of LineContainer. /// [Serializable()] public class LineContainer : DrawableContainer { public static readonly int MAX_CLICK_DISTANCE_TOLERANCE = 10; public LineContainer(Surface parent) : base(parent) { Init(); } protected override void InitializeFields() { AddField(GetType(), FieldType.LINE_THICKNESS, 2); AddField(GetType(), FieldType.LINE_COLOR, Color.Red); AddField(GetType(), FieldType.SHADOW, true); } protected override void OnDeserialized(StreamingContext context) { Init(); } protected void Init() { Adorners.Add(new MoveAdorner(this, Positions.TopLeft)); Adorners.Add(new MoveAdorner(this, Positions.BottomRight)); } public override void Draw(Graphics graphics, RenderMode rm) { graphics.SmoothingMode = SmoothingMode.HighQuality; graphics.InterpolationMode = InterpolationMode.HighQualityBilinear; graphics.CompositingQuality = CompositingQuality.HighQuality; graphics.PixelOffsetMode = PixelOffsetMode.None; int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS); Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR); bool shadow = GetFieldValueAsBool(FieldType.SHADOW); if (lineThickness > 0) { if (shadow) { //draw shadow first int basealpha = 100; int alpha = basealpha; int steps = 5; int currentStep = 1; while (currentStep <= steps) { using Pen shadowCapPen = new Pen(Color.FromArgb(alpha, 100, 100, 100), lineThickness); graphics.DrawLine(shadowCapPen, Left + currentStep, Top + currentStep, Left + currentStep + Width, Top + currentStep + Height); currentStep++; alpha -= basealpha / steps; } } using Pen pen = new Pen(lineColor, lineThickness); graphics.DrawLine(pen, Left, Top, Left + Width, Top + Height); } } public override bool ClickableAt(int x, int y) { int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS) +5; if (lineThickness > 0) { using Pen pen = new Pen(Color.White) { Width = lineThickness }; using GraphicsPath path = new GraphicsPath(); path.AddLine(Left, Top, Left + Width, Top + Height); return path.IsOutlineVisible(x, y, pen); } return false; } protected override ScaleHelper.IDoubleProcessor GetAngleRoundProcessor() { return ScaleHelper.LineAngleRoundBehavior.Instance; } } }