/*
* 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);
}
}
}