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Covert to black and white

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This commit is contained in:
Mike Phares 2022-02-25 13:08:03 -07:00
parent 18033a355a
commit 5475392c3f
3 changed files with 44 additions and 30 deletions
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2
Adaptation/FileHandlers/DEP08SIASM/FileRead.cs
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@ -117,8 +117,6 @@ public class FileRead : Shared.FileRead, IFileRead
throw new Exception(); throw new Exception();
} }
void IFileRead.Callback(object state) => throw new Exception(string.Concat("Not ", nameof(_IsDummy)));
protected static List<Description> GetDescriptions(JsonElement[] jsonElements) protected static List<Description> GetDescriptions(JsonElement[] jsonElements)
{ {
List<Description> results = new(); List<Description> results = new();

2
Adaptation/FileHandlers/DownloadJpegFile/FileRead.cs
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@ -108,8 +108,6 @@ public class FileRead : Shared.FileRead, IFileRead
void IFileRead.CheckTests(Test[] tests, bool extra) => throw new Exception(string.Concat("Not ", nameof(_IsDuplicator))); void IFileRead.CheckTests(Test[] tests, bool extra) => throw new Exception(string.Concat("Not ", nameof(_IsDuplicator)));
void IFileRead.Callback(object state) => Callback(state);
private Tuple<string, Test[], JsonElement[], List<FileInfo>> GetExtractResult(string reportFullPath, DateTime dateTime) private Tuple<string, Test[], JsonElement[], List<FileInfo>> GetExtractResult(string reportFullPath, DateTime dateTime)
{ {
if (reportFullPath is null) if (reportFullPath is null)

70
Adaptation/FileHandlers/jpeg/ProcessData.cs
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@ -105,41 +105,56 @@ public class ProcessData : IProcessData
#pragma warning disable CA1416 #pragma warning disable CA1416
private static (byte[], Color[]) Get(IFileRead fileRead, int endY, int endX, int startY, int startX, int outputQuality, string saveFileName) private static (MemoryStream memoryStream, Color[]) Get(IFileRead fileRead, int thresHold, int endY, int endX, int startY, int startX)
{ {
byte[] bytes; Color color;
List<Color> colors = new(); List<Color> colors = new();
Point startPoint = new(startX, startY); MemoryStream memoryStream = new();
using MemoryStream memoryStream = new(); int middle = (int)(endY - startY * .5);
EncoderParameters encoderParameters = new(1); Bitmap selectedBitmap = new(endX - startX, endY - startY);
System.Drawing.Imaging.ImageFormat imageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
ImageCodecInfo imageCodecInfo = (from l in ImageCodecInfo.GetImageEncoders() where l.FormatID == imageFormat.Guid select l).First();
encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, outputQuality);
Rectangle rectangle = new(startPoint, new Size(endX - startX, endY - startY));
using Bitmap bitmap = Image.FromFile(fileRead.ReportFullPath) as Bitmap; using Bitmap bitmap = Image.FromFile(fileRead.ReportFullPath) as Bitmap;
using Bitmap clonedBitmap = bitmap.Clone(rectangle, bitmap.PixelFormat); System.Drawing.Imaging.ImageFormat imageFormat = System.Drawing.Imaging.ImageFormat.Png;
if (!string.IsNullOrEmpty(saveFileName)) for (int x = startX; x < endX; x++)
{ {
if (!saveFileName.EndsWith(".png")) for (int y = startY; y < endY; y++)
throw new NotImplementedException("Configured to save as *.png"); {
clonedBitmap.Save(saveFileName, System.Drawing.Imaging.ImageFormat.Png); color = bitmap.GetPixel(x, y);
for (int i = 0; i < rectangle.Width; i++) if (y == middle)
colors.Add(clonedBitmap.GetPixel(i, (int)(rectangle.Height * .5))); colors.Add(color);
if (color.R > thresHold || color.G > thresHold || color.B > thresHold)
selectedBitmap.SetPixel(x - startX, y - startY, Color.Black);
}
} }
clonedBitmap.Save(memoryStream, imageCodecInfo, encoderParameters); selectedBitmap.Save(memoryStream, imageFormat);
bytes = memoryStream.GetBuffer(); return new(memoryStream, colors.ToArray());
return new(bytes, colors.ToArray()); }
private static void SaveToFile(MemoryStream memoryStream, string extension, string saveFileName)
{
System.Drawing.Imaging.ImageFormat imageFormat = extension switch
{
".bmp" => System.Drawing.Imaging.ImageFormat.Bmp,
".gif" => System.Drawing.Imaging.ImageFormat.Gif,
".jpeg" => System.Drawing.Imaging.ImageFormat.Jpeg,
".jpg" => System.Drawing.Imaging.ImageFormat.Jpeg,
".png" => System.Drawing.Imaging.ImageFormat.Png,
".tiff" => System.Drawing.Imaging.ImageFormat.Tiff,
_ => throw new Exception("Extension not mapped"),
};
using Bitmap bitmap = new(memoryStream);
bitmap.Save(saveFileName, imageFormat);
} }
#pragma warning restore CA1416 #pragma warning restore CA1416
private static (byte[], Color[]) Get(IFileRead fileRead, string saveFileName) => Get(fileRead, 68, 1559, 32, 1094, 95, saveFileName); private static (MemoryStream, Color[]) Get(IFileRead fileRead, int thresHold) => Get(fileRead, thresHold, 68, 1559, 32, 1094);
private void Parse(IFileRead fileRead, List<FileInfo> fileInfoCollection) private void Parse(IFileRead fileRead, List<FileInfo> fileInfoCollection)
{ {
int thresHold = 76;
(MemoryStream memoryStream, Color[] colors) = Get(fileRead, thresHold);
byte[] bytes = memoryStream.GetBuffer();
using TesseractEngine engine = new(string.Empty, "eng", EngineMode.Default); using TesseractEngine engine = new(string.Empty, "eng", EngineMode.Default);
//using Pix img = Pix.LoadFromFile(fileRead.ReportFullPath);
(byte[] bytes, Color[] colors) = Get(fileRead, saveFileName: string.Empty);
using Pix img = Pix.LoadFromMemory(bytes); using Pix img = Pix.LoadFromMemory(bytes);
using Page page = engine.Process(img); using Page page = engine.Process(img);
string text = page.GetText().Trim(); string text = page.GetText().Trim();
@ -150,13 +165,14 @@ public class ProcessData : IProcessData
int red = 0; int red = 0;
int green = 0; int green = 0;
_Log.Debug("Looking by color"); _Log.Debug("Looking by color");
string saveFileName = Path.ChangeExtension(fileRead.ReportFullPath, ".png"); string extension = ".png";
(bytes, colors) = Get(fileRead, saveFileName); string saveFileName = Path.ChangeExtension(fileRead.ReportFullPath, extension);
SaveToFile(memoryStream, extension, saveFileName);
foreach (Color color in colors) foreach (Color color in colors)
{ {
if (color.R > 127) if (color.R > thresHold)
red += 1; red += 1;
if (color.G > 127) if (color.G > thresHold)
green += 1; green += 1;
} }
if (red > green) if (red > green)
@ -165,6 +181,8 @@ public class ProcessData : IProcessData
text = "Green*"; text = "Green*";
fileInfoCollection.Add(new FileInfo(saveFileName)); fileInfoCollection.Add(new FileInfo(saveFileName));
} }
if (memoryStream is not null)
memoryStream.Dispose();
_Details.Add(text); _Details.Add(text);
} }