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moved all sources to trunk directory

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@693 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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JKlingen 2010-07-25 08:48:59 +00:00
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Greenshot/Drawing/EllipseContainer.cs Normal file
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/*
* 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 <http://www.gnu.org/licenses/>.
*/
using System;
using System.Drawing;
using System.Runtime.Serialization;
using System.Windows.Forms;
using Greenshot.Configuration;
using Greenshot.Drawing.Fields;
using Greenshot.Helpers;
using Greenshot.Plugin.Drawing;
namespace Greenshot.Drawing {
/// <summary>
/// Description of EllipseContainer.
/// </summary>
[Serializable()]
public class EllipseContainer : DrawableContainer {
public EllipseContainer(Surface parent) : base(parent) {
AddField(FieldFactory.CreateField(FieldType.LINE_THICKNESS));
AddField(FieldFactory.CreateField(FieldType.LINE_COLOR));
AddField(FieldFactory.CreateField(FieldType.FILL_COLOR));
AddField(FieldFactory.CreateField(FieldType.SHADOW));
}
public override void Draw(Graphics graphics, RenderMode renderMode) {
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS);
Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR);
Color fillColor = GetFieldValueAsColor(FieldType.FILL_COLOR);
bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
bool lineVisible = (lineThickness > 0 && Colors.IsVisible(lineColor));
// draw shadow before anything else
if (shadow && (lineVisible || Colors.IsVisible(fillColor))) {
int basealpha = 100;
int alpha = basealpha;
int steps = 5;
int currentStep = lineVisible ? 1 : 0;
while (currentStep <= steps) {
using (Pen shadowPen = new Pen(Color.FromArgb(alpha, 100, 100, 100))) {
shadowPen.Width = lineVisible ? lineThickness : 1;
Rectangle shadowRect = GuiRectangle.GetGuiRectangle(Left + currentStep, Top + currentStep, Width, Height);
graphics.DrawEllipse(shadowPen, shadowRect);
currentStep++;
alpha = alpha - basealpha / steps;
}
}
}
//draw the original shape
Rectangle rect = GuiRectangle.GetGuiRectangle(this.Left, this.Top, this.Width, this.Height);
using (Brush brush = new SolidBrush(fillColor)) {
graphics.FillEllipse(brush, rect);
}
using (Pen pen = new Pen(lineColor)) {
pen.Width = lineThickness;
if (pen.Width > 0) {
graphics.DrawEllipse(pen, rect);
}
}
}
public override bool Contains(int x, int y) {
double xDistanceFromCenter = x - (Left+Width/2);
double yDistanceFromCenter = y - (Top+Height/2);
// ellipse: x^2/a^2 + y^2/b^2 = 1
return Math.Pow(xDistanceFromCenter,2)/Math.Pow(Width/2,2) + Math.Pow(yDistanceFromCenter,2)/Math.Pow(Height/2,2) < 1;
}
}
}