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// Accord Imaging Library
// The Accord.NET Framework
// http://accord-framework.net
//
// Copyright © César Souza, 2009-2017
// cesarsouza at gmail.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
namespace Accord.Imaging.Moments
{
using System.Drawing;
using System.Drawing.Imaging;
using Accord.Imaging;
/// <summary>
/// Base class for image moments.
/// </summary>
///
public abstract class MomentsBase
{
/// <summary>
/// Gets or sets the maximum order of the moments.
/// </summary>
///
public int Order { get; set; }
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
///
protected MomentsBase(int order)
{
Order = order;
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
protected MomentsBase(Bitmap image, Rectangle area, int order)
: this(order)
{
Compute(image, area);
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
protected MomentsBase(UnmanagedImage image, Rectangle area, int order)
: this(order)
{
Compute(image, area);
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
protected MomentsBase(float[,] image, Rectangle area, int order)
: this(order)
{
Compute(image, area);
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
///
protected MomentsBase(Bitmap image, int order)
: this(order)
{
Compute(image, Rectangle.Empty);
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
///
protected MomentsBase(UnmanagedImage image, int order)
: this(order)
{
Compute(image, Rectangle.Empty);
}
/// <summary>
/// Initializes a new instance of the <see cref="MomentsBase"/> class.
/// </summary>
///
/// <param name="order">The maximum order for the moments.</param>
/// <param name="image">The image whose moments should be computed.</param>
///
protected MomentsBase(float[,] image, int order)
: this(order)
{
Compute(image, Rectangle.Empty);
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
///
public void Compute(Bitmap image)
{
Compute(image, new Rectangle(0, 0, image.Width, image.Height));
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
///
public void Compute(UnmanagedImage image)
{
Compute(image, new Rectangle(0, 0, image.Width, image.Height));
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
///
public void Compute(BitmapData image)
{
Compute(image, new Rectangle(0, 0, image.Width, image.Height));
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
public void Compute(Bitmap image, Rectangle area)
{
// lock source bitmap data
BitmapData imageData = image.LockBits(
new Rectangle(0, 0, image.Width, image.Height),
ImageLockMode.ReadOnly, image.PixelFormat);
try
{
Compute(new UnmanagedImage(imageData), area);
}
finally
{
image.UnlockBits(imageData);
}
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
public void Compute(BitmapData image, Rectangle area)
{
Compute(new UnmanagedImage(image), area);
}
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
public abstract void Compute(UnmanagedImage image, Rectangle area);
/// <summary>
/// Computes the moments for the specified image.
/// </summary>
///
/// <param name="image">The image whose moments should be computed.</param>
/// <param name="area">The region of interest in the image to compute moments for.</param>
///
public abstract void Compute(float[,] image, Rectangle area);
}
}