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New feature : Add and substact of two images of the same type is now possible

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Rohmer Maxime
2022-09-28 16:01:15 +02:00
parent 25fc4df156
commit 3ba70ef468
4 changed files with 171 additions and 0 deletions
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1
AgraV2/AgraV2.csproj
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@@ -48,6 +48,7 @@
</ItemGroup>
<ItemGroup>
<Compile Include="Effect.cs" />
<Compile Include="EffectArythmeticOperations.cs" />
<Compile Include="EffectGrayScale.cs" />
<Compile Include="EffectMedianFilter.cs" />
<Compile Include="EffectScale.cs" />

168
AgraV2/EffectArythmeticOperations.cs Normal file
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@@ -0,0 +1,168 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Drawing;
using System.IO;
using System.Drawing.Imaging;
namespace AgraV2
{
internal class EffectArythmeticOperations : Effect
{
private readonly object balancelock = new object();
public static List<string> Operations = new List<string>() { "Substract","Add" };
private string _operationType;
private Bitmap _imageToCompare;
public Bitmap ImageToCompare { get => _imageToCompare; set => _imageToCompare = value; }
public string OperationType { get => _operationType; set => _operationType = value; }
public EffectArythmeticOperations(string name, Panel toolBox) : base(name, toolBox)
{
ImageToCompare = new Bitmap(1,1);
OperationType = Operations[0];
}
public override void populatePannel()
{
base.populatePannel();
const int UI_MARGIN = 10;
PictureBox pictureBox = new PictureBox();
pictureBox.Width = ToolBox.Width;
pictureBox.Height = ToolBox.Width;
pictureBox.SizeMode = PictureBoxSizeMode.Zoom;
pictureBox.Location = new Point(0,0);
if (ImageToCompare.Size != new Size(1,1))
{
pictureBox.Image = ImageToCompare;
}
Button button = new Button();
button.Click += LoadImage;
button.Location = new Point(0,pictureBox.Location.Y + pictureBox.Height + UI_MARGIN);
ListBox listBox = new ListBox();
listBox.DataSource = Operations;
listBox.SelectedIndexChanged += operationChange;
listBox.Location = new Point(0,button.Location.Y + button.Height + UI_MARGIN);
ToolBox.Controls.Add(pictureBox);
ToolBox.Controls.Add(button);
ToolBox.Controls.Add(listBox);
}
private void operationChange(object sender, EventArgs e)
{
if (sender is ListBox)
{
OperationType = Operations[(sender as ListBox).SelectedIndex];
}
}
public override Bitmap[] apply(Bitmap inputBmp)
{
if (inputBmp == null)
return null;
//This is important for when the user wants to re apply an effet
ProcessingDuration = new List<double>();
Bitmap[] result = new Bitmap[] { Substract(inputBmp,ImageToCompare) };
return result;
}
public unsafe Bitmap Substract(Bitmap image,Bitmap imageToSubstract)
{
Chrono.Restart();
Size imageSize = image.Size;
Bitmap result = new Bitmap(imageSize.Width,imageSize.Height);
BitmapData xData = result.LockBits(new Rectangle(0, 0, imageSize.Width, imageSize.Height), ImageLockMode.ReadWrite, image.PixelFormat);
BitmapData firstData = image.LockBits(new Rectangle(0, 0, imageSize.Width, imageSize.Height), ImageLockMode.ReadWrite, image.PixelFormat);
BitmapData secondData = imageToSubstract.LockBits(new Rectangle(0, 0, imageSize.Width, imageSize.Height), ImageLockMode.ReadWrite, image.PixelFormat);
int bytesPerPixel = Bitmap.GetPixelFormatSize(image.PixelFormat) / 8;
int byteCount = xData.Stride * image.Height;
int offset = xData.Stride - bytesPerPixel * image.Width;
lock (balancelock)
{
byte* ResultStartPx = (byte*)xData.Scan0.ToPointer();
byte* FirstStartPx = (byte*)firstData.Scan0.ToPointer();
byte* SecondStartPx = (byte*)secondData.Scan0.ToPointer();
byte* ResultCursor = ResultStartPx;
byte* FirstCursor = FirstStartPx;
byte* SecondCursor = SecondStartPx;
for (int x = 0; x < imageSize.Width; x++)
{
for (int y = 0; y < imageSize.Height; y++)
{
int firstBlue = FirstCursor[0];
int firstGreen = FirstCursor[1];
int firstRed = FirstCursor[2];
int secondBlue = SecondCursor[0];
int secondGreen = SecondCursor[1];
int secondRed = SecondCursor[2];
switch (OperationType)
{
case "Substract":
ResultCursor[0] = (byte)Math.Max(0, firstBlue - secondBlue);
ResultCursor[1] = (byte)Math.Max(0, firstGreen - secondGreen);
ResultCursor[2] = (byte)Math.Max(0, firstRed - secondRed);
break;
case "Add":
ResultCursor[0] = (byte)Math.Min(255, firstBlue + secondBlue);
ResultCursor[1] = (byte)Math.Min(255, firstGreen + secondGreen);
ResultCursor[2] = (byte)Math.Min(255, firstRed + secondRed);
break;
default:
ResultCursor[0] = (byte)0;
ResultCursor[1] = (byte)0;
ResultCursor[2] = (byte)0;
break;
}
ResultCursor += bytesPerPixel;
FirstCursor += bytesPerPixel;
SecondCursor += bytesPerPixel;
}
//Taking care of the offset
ResultCursor += offset;
FirstCursor += offset;
SecondCursor += offset;
}
}
result.UnlockBits(xData);
image.UnlockBits(firstData);
imageToSubstract.UnlockBits(secondData);
ProcessingDuration.Add(Chrono.ElapsedMilliseconds / 1000.0);
return result;
}
private void LoadImage(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
FileInfo file = new FileInfo(dialog.FileName);
ImageToCompare = (Bitmap)Image.FromFile(file.FullName);
populatePannel();
}
}
}
}

1
AgraV2/Form1.Designer.cs generated
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@@ -287,6 +287,7 @@
//
// pnlEffectToolbox
//
this.pnlEffectToolbox.AutoScroll = true;
this.pnlEffectToolbox.Location = new System.Drawing.Point(6, 24);
this.pnlEffectToolbox.Name = "pnlEffectToolbox";
this.pnlEffectToolbox.Size = new System.Drawing.Size(188, 250);

1
AgraV2/Form1.cs
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@@ -27,6 +27,7 @@ namespace AgraV2
effects.Add(new EffectGrayScale("GrayScale", pnlEffectToolbox));
effects.Add(new EffectMedianFilter("Median Filter", pnlEffectToolbox));
effects.Add(new EffectScale("Scaling", pnlEffectToolbox));
effects.Add(new EffectArythmeticOperations("Arithmetic Operations", pnlEffectToolbox));
RefreshUi();
}
private void RefreshUi()