/// <summary>
/// Crop the image and return the cropped image
/// </summary>
/// <param name="image">Image that need to be cropped</param>
/// <param name="Start">Starting Point</param>
/// <param name="End">Ending Point</param>
/// <param name="caller"></param>
/// <param name="lineNumber"></param>
/// <returns></returns>
public static ScreenshotData CropImage(ScreenshotData image, Point Start, Point End, [CallerLineNumber] int lineNumber = 0, [CallerMemberName] string caller = null)
{
if (!ScriptRun.Run)
{
return(null);
}
return(Compress(CropImage(Decompress(image), Start, End, lineNumber, caller)));
}
/// <summary>
/// OCR the image. Need Prepair OCR first!
/// </summary>
/// <param name="source"></param>
/// <param name="lang"></param>
/// <returns></returns>
public static string OcrImage(ScreenshotData source, string lang)
{
if (Instance.t == null)
{
throw new Exception("Run PrepairOcr First!");
}
int error = 0;
while (source == null && error < 5)
{
if (Variables.ProchWnd != IntPtr.Zero)
{
source = Screenshot.ImageCapture(Variables.ProchWnd, Variables.WinApiCaptCropStart, Variables.WinApiCaptCropEnd);
}
else
{
source = Screenshot.ImageCapture(Variables.Proc.MainWindowHandle, Variables.WinApiCaptCropStart, Variables.WinApiCaptCropEnd);
}
error++;
}
if (source == null)
{
Variables.AdvanceLog("Source image is null and unable to recapture!");
return(string.Empty);
}
Image <Bgr, byte> img = new Image <Bgr, byte>(Screenshot.Decompress(source));
if (File.Exists($"C:\\ProgramData\\tessdata\\{lang}.traineddata"))
{
FileInfo f = new FileInfo(($"C:\\ProgramData\\tessdata\\{lang}.traineddata"));
if (f.Length == 0)
{
throw new FileNotFoundException("The given ocr data is incomplete or not found!");
}
}
Instance.t.SetImage(img);
var result = Instance.t.GetUTF8Text();
if (Instance.NumOnly)
{
result = new string(result.Where(Char.IsDigit).ToArray());
}
return(result.Trim());
}
/// <summary>
/// Decompress the byte array back to image for other usage
/// </summary>
/// <param name="buffer">the byte array of image compressed by Compress(Image image)</param>
/// <returns>Image</returns>
public static Bitmap Decompress(ScreenshotData buffer)
{
lock (Instance.locker)
{
try
{
if (buffer == null)
{
//Unable to get back image, lets return black
Bitmap bmp = new Bitmap(Variables.EmulatorWidth, Variables.EmulatorHeight);
using (Graphics graph = Graphics.FromImage(bmp))
{
Rectangle ImageSize = new Rectangle(0, 0, Variables.EmulatorWidth, Variables.EmulatorHeight);
graph.FillRectangle(Brushes.Black, ImageSize);
}
return(bmp);
}
else
{
using (MemoryStream stream = new MemoryStream(buffer.imageData))
{
return(new Bitmap(stream));
}
}
}
catch (Exception ex)
{
Variables.AdvanceLog(ex.ToString());
Bitmap bmp = new Bitmap(Variables.EmulatorWidth, Variables.EmulatorHeight);
using (Graphics graph = Graphics.FromImage(bmp))
{
Rectangle ImageSize = new Rectangle(0, 0, Variables.EmulatorWidth, Variables.EmulatorHeight);
graph.FillRectangle(Brushes.Black, ImageSize);
}
return(bmp);
}
}
}
