/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2014 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 Greenshot.Drawing.Fields;
using Greenshot.Helpers;
using Greenshot.Plugin.Drawing;
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Runtime.Serialization;
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);
}
[OnDeserialized()]
private void OnDeserialized(StreamingContext context)
{
InitGrippers();
DoLayout();
Init();
}
protected void Init()
{
if (_grippers != null)
{
foreach (int index in new[] { 1, 2, 3, 5, 6, 7 })
{
_grippers[index].Enabled = false;
}
}
}
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 = 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))
{
pen.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;
}
}
}