/* * Greenshot - a free and open source screenshot tool * Copyright (C) 2007-2010 Thomas Braun, Jens Klingen, Robin Krom * * For more information see: http://getgreenshot.org/ * The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/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.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Runtime.Serialization; using System.Windows.Forms; using Greenshot.Configuration; using Greenshot.Drawing.Fields; using Greenshot.Helpers; 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(); AddField(FieldFactory.CreateField(FieldType.LINE_THICKNESS)); AddField(FieldFactory.CreateField(FieldType.LINE_COLOR)); AddField(FieldFactory.CreateField(FieldType.SHADOW)); } private void Init() { grippers[1].Enabled = false; grippers[2].Enabled = false; grippers[3].Enabled = false; grippers[5].Enabled = false; grippers[6].Enabled = false; grippers[7].Enabled = false; } public override void Draw(Graphics g, RenderMode rm) { g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS); Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR); bool shadow = GetFieldValueAsBool(FieldType.SHADOW); if ( shadow && lineThickness > 0 ) { //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))) { shadowCapPen.Width = lineThickness; g.DrawLine(shadowCapPen, this.Left + currentStep, this.Top + currentStep, this.Left + currentStep + this.Width, this.Top + currentStep + this.Height); currentStep++; alpha = alpha - (basealpha / steps); } } } using (Pen pen = new Pen(lineColor)) { pen.Width = lineThickness; if(pen.Width > 0) { g.DrawLine(pen, this.Left, this.Top, this.Left + this.Width, this.Top + this.Height); } } } public override bool ClickableAt(int x, int y) { int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS); double distance = DrawingHelper.CalculateLinePointDistance(this.Left, this.Top, this.Left + this.Width, this.Top + this.Height, x, y); if (distance < 0) { return false; } return distance <= Math.Max(lineThickness / 2, MAX_CLICK_DISTANCE_TOLERANCE); } } }