private static void PerformDuplicationDetection(ScanSettings settings)
{
List <string> actionFiles = settings.RootDirectory == null ? settings.FilesToScan : GetFiles(settings);
foreach (var actionFile in actionFiles)
{
var currentImage = new MyImageInfo(actionFile);
List <string> matchingFiles = manager.GetMatchingFilesToCompare(currentImage);
foreach (var matchingFile in matchingFiles)
{
var imi = new MyImageInfo(matchingFile);
if (ImageCompare.Comapre(currentImage, imi))
{
manager.SaveMatch(currentImage, imi);
}
}
}
}
private void Comapre(MyImageInfo other)
{
var thisfn = FileName;
var otherfn = other.FileName;
bool equals = true;
Rectangle rect1 = new Rectangle(0, 0, iBitmap.Width, iBitmap.Height);
Rectangle rect2 = new Rectangle(0, 0, other.iBitmap.Width, other.iBitmap.Height);
if (rect1.Width == rect2.Width && rect1.Height == rect2.Height)
{
BitmapData bmpData1 = iBitmap.LockBits(rect1, ImageLockMode.ReadOnly, iBitmap.PixelFormat);
BitmapData bmpData2 = other.iBitmap.LockBits(rect1, ImageLockMode.ReadOnly, other.iBitmap.PixelFormat);
unsafe
{
byte *ptr1 = (byte *)bmpData1.Scan0.ToPointer();
byte *ptr2 = (byte *)bmpData2.Scan0.ToPointer();
int width = rect1.Width * 3; // for 24bpp pixel data
for (int y = 0; equals && y < rect1.Height; y++)
{
for (int x = 0; x < width; x++)
{
if (*ptr1 != *ptr2)
{
equals = false;
break;
}
ptr1++;
ptr2++;
}
ptr1 += bmpData1.Stride - width;
ptr2 += bmpData2.Stride - width;
}
}
iBitmap.UnlockBits(bmpData1);
other.iBitmap.UnlockBits(bmpData2);
if (equals)
{
Clones.Add(other);
other.Clones.Add(this);
}
}
}
public static bool Comapre(MyImageInfo imageInfo1, MyImageInfo imageInfo2)
{
bool equals = true;
Rectangle rect1 = new Rectangle(0, 0, imageInfo1.iBitmap.Width, imageInfo1.iBitmap.Height);
Rectangle rect2 = new Rectangle(0, 0, imageInfo2.iBitmap.Width, imageInfo2.iBitmap.Height);
if (rect1.Width == rect2.Width && rect1.Height == rect2.Height)
{
BitmapData bmpData1 = imageInfo1.iBitmap.LockBits(rect1, ImageLockMode.ReadOnly, imageInfo1.iBitmap.PixelFormat);
BitmapData bmpData2 = imageInfo2.iBitmap.LockBits(rect1, ImageLockMode.ReadOnly, imageInfo2.iBitmap.PixelFormat);
unsafe
{
byte *ptr1 = (byte *)bmpData1.Scan0.ToPointer();
byte *ptr2 = (byte *)bmpData2.Scan0.ToPointer();
int width = rect1.Width * 3; // for 24bpp pixel data
for (int y = 0; equals && y < rect1.Height; y++)
{
for (int x = 0; x < width; x++)
{
if (*ptr1 != *ptr2)
{
equals = false;
break;
}
ptr1++;
ptr2++;
}
ptr1 += bmpData1.Stride - width;
ptr2 += bmpData2.Stride - width;
}
}
imageInfo1.iBitmap.UnlockBits(bmpData1);
imageInfo2.iBitmap.UnlockBits(bmpData2);
}
return(equals);
}
