Created
December 9, 2016 23:53
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Detect corrupted charts
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using System; | |
using System.Collections.Generic; | |
using System.Drawing; | |
using System.IO; | |
using System.Linq; | |
namespace TooMuchWhite | |
{ | |
class Program | |
{ | |
static void Main(string[] args) | |
{ | |
var files = Directory.EnumerateFiles(@"C:\Users\rrusu\Desktop\last check", "924.png", SearchOption.AllDirectories); | |
//var files = Directory.EnumerateFiles("Samples"); | |
var cntr = 0; | |
Console.WriteLine("Files to process " + files.Count()); | |
foreach (var file in files) | |
{ | |
cntr++; | |
if (cntr%10 != 0) | |
Console.Write("."); | |
else | |
Console.Write(cntr); | |
var suspectCorrupted = IsSuspiciousEnough(file); | |
if (suspectCorrupted) | |
Console.WriteLine("\t " + file); | |
} | |
Console.ReadKey(); | |
} | |
private static bool IsSuspiciousEnough(string file) | |
{ | |
bool suspectCorrupted; | |
using (var image = Image.FromFile(file)) | |
using (var bmp = GrayScale(new Bitmap(image))) | |
{ | |
var colors = new Dictionary<Color, int>(); | |
for (int i = 0; i < image.Height; i++) | |
{ | |
for (int j = 0; j < image.Width; j++) | |
{ | |
var nowColor = bmp.GetPixel(j, i); | |
if (colors.ContainsKey(nowColor)) | |
colors[nowColor]++; | |
else | |
colors[nowColor] = 1; | |
} | |
} | |
var tops = colors.OrderByDescending(x => x.Value).Take(3); | |
var white = Color.White; | |
var topColor = tops.First().Key; | |
var total = image.Height*image.Width; | |
var inRatioOf = (int) Math.Round((double) (100*tops.First().Value)/total); | |
var topColorIsWhite = | |
white.A == topColor.A && | |
white.R == topColor.R && | |
white.G == topColor.G && | |
white.B == topColor.B; | |
suspectCorrupted = topColorIsWhite && inRatioOf > 90; | |
/*else | |
{ | |
Console.WriteLine(file); | |
}*/ | |
/*foreach (var color in tops) | |
{ | |
var colorPerc = (int)Math.Round((double)(100 * color.Value) / total); | |
Console.WriteLine("\t " + colorPerc + "% " + color.Key + " " + color.Value); | |
} | |
Console.WriteLine(); | |
*/ | |
} | |
return suspectCorrupted; | |
} | |
public static Bitmap GrayScale(Bitmap Bmp) | |
{ | |
int rgb; | |
Color c; | |
for (int y = 0; y < Bmp.Height; y++) | |
for (int x = 0; x < Bmp.Width; x++) | |
{ | |
c = Bmp.GetPixel(x, y); | |
rgb = (int)((c.R + c.G + c.B) / 3); | |
Bmp.SetPixel(x, y, Color.FromArgb(rgb, rgb, rgb)); | |
} | |
return Bmp; | |
} | |
} | |
} |
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