static void testImage(String bigImageName, String smallImageName)
{
Color[,] bigImage = Vemod.Image.file2imagearray(bigImageName);
Console.WriteLine(smallImageName);
Color[,] testImage = Vemod.Image.file2imagearray(smallImageName);
DateTime startTime = DateTime.Now;
PixelMatchList pml = Vemod.Screen.SearchForSamples(bigImage, testImage);
TimeSpan duration = DateTime.Now.Subtract(startTime);
Console.WriteLine("Found: " + pml.Count + " in " + duration.Seconds + "." + duration.Milliseconds + " seconds");
Console.WriteLine("--");
}
/*
* Searches for a small image, in a big image and returns the matches
* ---
* Screen = image to search in
* Sample = image to search for
* Offset = where to START and END on the screen we're searching in
* minMatch = minimum match in percent to even consider a beginning match (from 0.01 to 1) usually
* i use 0.70.
*/
public static PixelMatchList SearchForSamples(Color[,] screen, Color[,] sample, Square offset, float minMatch)
{
PixelMatchList matches = new PixelMatchList();
// search the screen for the sample
int screen_rows = screen.GetLength(0);
int screen_colums = screen.GetLength(1);
// count sample rows
int sample_rows = sample.GetLength(0);
int sample_colums = sample.GetLength(1);
// Det er her på Screenet vi starter vores søgning
int i = offset.startx;
int j = offset.starty;
int k = 0;
int l = 0;
while (i < offset.endx)
{
while (j < offset.endy)
{
// Vi har en start match, så herfra leder vi videre uden løkken kører videre
//if (screen[i, j].Equals(sample[k, l]))
if (Vemod.Image.rgbPercentCompare(screen[i, j], sample[k, l]) > minMatch)
{
// Pixelmatches:
int pixelmatches = 0;
float pixelmatchpercent = 0;
float pixelmatchpercenttotal = 0;
// Initial match!
int start_match_x = i;
int start_match_y = j;
// subsearch
// Vi vil ikke påvirke det omkringliggende loop
int _i = i;
int _j = j;
// Vi itererer over vores sample
while (k < sample_rows)
{
while (l < sample_colums)
{
// Tjek for om _i og _j er inden for vores "screen"
if (_i < offset.endx && _j < offset.endy)
{
float match = Vemod.Image.rgbPercentCompare(screen[_i, _j], sample[k, l]);
if (pixelmatchpercent == 0)
{
pixelmatchpercent = match;
pixelmatchpercenttotal += match;
pixelmatches++;
}
else
{
pixelmatchpercent = ((pixelmatchpercent * pixelmatches) + match) / (pixelmatches + 1);
pixelmatchpercenttotal += match;
pixelmatches++;
}
if (k == sample.GetLength(0) - 1 && l == sample.GetLength(1) - 1)
{
// Found the image!
if (pixelmatchpercent > 0.70)
{
matches.Add(new PixelMatch(start_match_x, start_match_y, _i, _j, pixelmatchpercent));
}
k = sample_rows + 1; // Grimt grimt hack, men vi sparer en goto
pixelmatchpercent = 0;
pixelmatchpercenttotal = 0;
pixelmatches = 0;
break;
}
else if (l == sample.GetLength(1) - 1)
{
// Hvis vi er for "enden" så reset, og hop til næste row
k++;
l = 0;
// Row jump på screenen også
_i = _i + 1;
_j = start_match_y;
}
else
{
// Hop en enkelt column både på screen og på sample
l++;
_j++;
}
}
else
{
k = sample_rows + 1; // Grimt grimt hack, men vi sparer en goto
pixelmatchpercent = 0;
pixelmatchpercenttotal = 0;
pixelmatches = 0;
break;
}
}
}
// resets the sample search
k = 0;
l = 0;
}
else
{
// Ingen match, så kan dette ikke være vores sample, led videre!
k = 0;
l = 0;
}
j++;
}
j = offset.starty;
i++;
}
return matches;
}
