private static RasterImage CreateTextFooter(LeadSize size, string tag)
{
var bpp = 24;
var byteOrder = RasterByteOrder.Bgr;
var viewPerspective = RasterViewPerspective.TopLeft;
var image = new RasterImage(RasterMemoryFlags.Conventional, size.Width, size.Height, bpp, byteOrder, viewPerspective, null, null, 0);
var fill = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.White));
fill.Run(image);
using (var graphics = RasterImagePainter.CreateGraphics(image))
{
using (var brush = new SolidBrush(Color.Black))
{
using (var font = new Font(FontFamily.GenericSansSerif, size.Width / 128))
{
var pos = new PointF(0, 0);
{
SizeF stringSize = new SizeF();
stringSize = graphics.Graphics.MeasureString(tag, font);
float scaleX = (float)size.Width / stringSize.Width;
float scaleY = (float)size.Height / stringSize.Height;
scaleX = Math.Min(1f, scaleX);
scaleY = Math.Min(1f, scaleY);
graphics.Graphics.ScaleTransform(scaleX, scaleY);
if (size.Height > (int)stringSize.Height)
{
size.Height = (int)stringSize.Height;
}
}
graphics.Graphics.DrawString(tag, font, Brushes.Black, new PointF(0, 0));
}
}
}
if (size.Height < image.Height)
{
var crop = new CropCommand(LeadRect.FromLTRB(0, 0, size.Width, size.Height));
crop.Run(image);
}
return(image);
}
private static LEADDocument AddDocumentToCache(LEADDocument largestDocument, IOcrEngine ocrEngine, Uri documentUri, LoadDocumentOptions loadOptions, DocumentCacheOptions cacheOptions)
{
// Adds the document to the cache. Note that a new cache entry is created for each different maximumImagePixelSize.
var document = DocumentFactory.LoadFromUri(documentUri, loadOptions);
try
{
if (document == null)
{
throw new InvalidOperationException("Failed to load URI: " + documentUri);
}
// We will modify this document...
bool wasReadOnly = document.IsReadOnly;
document.IsReadOnly = false;
if (document.Text.TextExtractionMode != DocumentTextExtractionMode.OcrOnly && !document.Images.IsSvgSupported && ocrEngine != null)
{
document.Text.OcrEngine = ocrEngine;
}
// Set in the cache options that we want
document.CacheOptions = cacheOptions;
// prepare the document, caching as much as possible.
if (document.IsStructureSupported && !document.Structure.IsParsed)
{
document.Structure.Parse();
}
// Need to cache the SVG with and without getting the back image
var loadSvgOptions = new CodecsLoadSvgOptions();
foreach (var page in document.Pages)
{
// If we have a previous largest document, use the same
// SVG and text instead of recreating them (they do not change based on image size)
DocumentPage largestDocumentPage = null;
if (largestDocument != null)
{
largestDocumentPage = largestDocument.Pages[page.PageNumber - 1];
}
if (cacheOptions == DocumentCacheOptions.None)
{
// We are done, do not cache the images, svg or text
continue;
}
if ((cacheOptions & DocumentCacheOptions.PageSvg) == DocumentCacheOptions.PageSvg)
{
// SVG, this does not depend on the image size
using (var svg = page.GetSvg(null))
{
}
using (var svg = page.GetSvg(loadSvgOptions))
{
}
}
if ((cacheOptions & DocumentCacheOptions.PageSvgBackImage) == DocumentCacheOptions.PageSvgBackImage)
{
// SVG back image, this is different based on the image size
using (var svgBack = page.GetSvgBackImage(RasterColor.FromKnownColor(RasterKnownColor.White)))
{
}
}
if ((cacheOptions & DocumentCacheOptions.PageImage) == DocumentCacheOptions.PageImage)
{
// Image, this is different based on the image size
using (var image = page.GetImage())
{
}
}
if ((cacheOptions & DocumentCacheOptions.PageThumbnailImage) == DocumentCacheOptions.PageThumbnailImage)
{
// Thumbnail, this does not depend on the image size but there is no set thumbnail method
using (var thumbnailImage = page.GetThumbnailImage())
{
}
}
if ((cacheOptions & DocumentCacheOptions.PageText) == DocumentCacheOptions.PageText)
{
// Text, this does not depend on the image size
if (largestDocumentPage == null)
{
page.GetText();
}
else
{
var pageText = largestDocumentPage.GetText();
page.SetText(pageText);
}
}
}
document.AutoDeleteFromCache = false;
document.AutoDisposeDocuments = true;
document.AutoSaveToCache = false;
// Stop caching
document.CacheOptions = DocumentCacheOptions.None;
document.IsReadOnly = wasReadOnly;
// save it to the regular cache
document.SaveToCache();
return(document);
}
catch (Exception)
{
if (document != null)
{
document.Dispose();
}
throw;
}
}
private void ShowMousePositionAndImageColor(RasterImage image, LeadPoint viewerPoint, LeadPoint imagePoint)
{
// This point is now in image coordinates, i.e., 0,0 is the top-left area of the image
// Since we passed 'false' to 'accountForViewPerspective' above, the point is what we see
// if the data in the image is top-left (point 0, 0, is the most left-top point in the image data)
// This is called the ViewPerspective of the image. Not all images supported by LEADTOOLS have top-left coordinates,
// for example, when you load a BMP file, by the default, the image data is "flipped" and has a view perspective of
// bottom-left. We could pass 'true' for images like that if we need to convert the point to the
// actual pixel x, y in the image. We will do that later in the code below
string imagePointText;
bool outside = false;
// Check if the viewer point is outside the image coordinates
if (imagePoint.X < 0 || imagePoint.Y < 0 || imagePoint.X > image.ImageWidth || imagePoint.Y > image.ImageHeight)
{
outside = true;
}
if (outside)
{
// Outside
imagePointText = "OUTSIDE";
}
else
{
imagePointText = string.Format("{0}, {1}", imagePoint.X, imagePoint.Y);
}
// Show both points
_mousePositionLabel.Text = string.Format(
"Viewer: {0}, {1} - Image: {2}",
viewerPoint.X, viewerPoint.Y,
imagePointText);
// Get the color under the cursor
RasterColor pointCursorColor;
// Use the imagePoint, we will use Raster.GetPixel. This method except the points
// to be in image coordinates and in the image view perspective.
// Since we had the point in top-left (by not passing true to accountForViewPerspective),
// we must convert it to image coordinate first using RasterImage.PointToImage
if (!outside)
{
LeadPoint colorPoint = new LeadPoint(imagePoint.X, imagePoint.Y);
colorPoint = image.PointToImage(RasterViewPerspective.TopLeft, colorPoint);
// GetPixel takes row/column, or Y and X
pointCursorColor = image.GetPixel(colorPoint.Y, colorPoint.X);
}
else
{
// Either outside the image or we do not have an image
pointCursorColor = RasterColor.FromKnownColor(RasterKnownColor.Transparent);
}
_cursorColorValueLabel.Text = pointCursorColor.ToString();
_colorCursorPanel.BackColor = RasterColorConverter.ToColor(pointCursorColor);
// Finally, if we are not drawing an interactive user rectangle and the cursor is over the
// overlay rect, change its shape to a Hand
if (!rubberBandMode.IsEnabled)
{
if (!_overlayRect.IsEmpty && _overlayRect.Contains(imagePoint.X, imagePoint.Y))
{
_imageViewer.Cursor = Cursors.Hand;
}
else
{
_imageViewer.Cursor = Cursors.Default;
}
}
}
//public static byte[] CreateBarcode( string value, int resolution, int Width, int Height, bool Save2File,bool usingMemory, ref string ErrMsg)
//{
// byte[] arrImg;
// BarcodeEngine barEngine;
// try
// {
// RasterImage theImage = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White));
// // Unlock barcode support.
// // Note that this is a sample key, which will not work in your toolkit
// BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d);
// BarcodeEngine.Startup(BarcodeMajorTypeFlags.BarcodesPdfWrite);
// BarcodeEngine.Startup(BarcodeMajorTypeFlags.BarcodesDatamatrixWrite);
// BarcodeEngine.Startup(BarcodeMajorTypeFlags.BarcodesQrWrite);
// // Initialize barcodes
// barEngine = new BarcodeEngine();
// BarcodeData data = new BarcodeData();
// LeadRect rc = new LeadRect(0, 0, Width, Height);
// data.Unit = BarcodeUnit.ScanlinesPerPixels;
// data.Location = rc;
// data.SearchType = BarcodeSearchTypeFlags.DatamatrixDefault;
// string[] barcodeText;
// barcodeText = new string[1];
// barcodeText[0] = value;
// data.Data = BarcodeData.ConvertFromStringArray(barcodeText);
// BarcodeColor barColor = new BarcodeColor();
// barColor.BarColor = RasterColor.FromKnownColor(RasterKnownColor.Black);
// barColor.SpaceColor = RasterColor.FromKnownColor(RasterKnownColor.White);
// Barcode1d bar1d = new Barcode1d();
// BarcodeWritePdf barPDF = new BarcodeWritePdf();
// BarcodeWriteDatamatrix barDM = new BarcodeWriteDatamatrix();
// bar1d.StandardFlags = Barcode1dStandardFlags.Barcode1dCode128EncodeA;
// barDM.Justify = BarcodeJustifyFlags.Right;
// barDM.FileIdHigh = 0;
// barDM.FileIdLow = 0;
// barDM.GroupNumber = 0;
// barDM.GroupTotal = 0;
// barDM.XModule = 0;
// BarcodeWriteQr barQR = new BarcodeWriteQr();
// string barcodeFileName = AppDomain.CurrentDomain.BaseDirectory + @"\barcode.tif";
// barEngine.Write(theImage, data, barColor, BarcodeWriteFlags.UseColors | BarcodeWriteFlags.Transparent | BarcodeWriteFlags.DisableCompression, bar1d, barPDF, barDM, barQR, LeadRect.Empty);
// if (usingMemory)
// {
// using (MemoryStream _stream = new MemoryStream())
// {
// using (RasterCodecs _Codecs = new RasterCodecs())
// {
// _Codecs.Save(theImage, _stream, RasterImageFormat.Tif, theImage.BitsPerPixel);
// arrImg = _stream.ToArray();
// if (Save2File)
// {
// _Codecs.Save(theImage, barcodeFileName, RasterImageFormat.Tif, theImage.BitsPerPixel);
// }
// }
// }
// }
// else
// {
// using (RasterCodecs _Codecs = new RasterCodecs())
// {
// _Codecs.Save(theImage, barcodeFileName, RasterImageFormat.Tif, theImage.BitsPerPixel);
// arrImg = System.IO.File.ReadAllBytes(barcodeFileName);
// }
// }
// }
// catch (Exception ex)
// {
// ErrMsg = ex.Message;
// return null;
// }
// return arrImg;
//}
public static byte[] CreateBarcode(BarcodeSymbology _BarcodeSymbology, string value, int resolution, int Width, int Height, bool Save2File, bool usingMemory, ref string ErrMsg)
{
ErrMsg = "";
BarcodeEngine barcodeEngineInstance = new BarcodeEngine();
RasterImage theImage = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White));
// Create a UPC A barcode
BarcodeData data = new BarcodeData();
data.Symbology = _BarcodeSymbology;
data.Value = value;
data.Bounds = new LogicalRectangle(10, 10, Width, Height, LogicalUnit.Pixel);
// Setup the options to enable error checking and show the text on the bottom of the barcode
OneDBarcodeWriteOptions options = new OneDBarcodeWriteOptions();
options.EnableErrorCheck = true;
options.TextPosition = BarcodeOutputTextPosition.None;// OneDBarcodeTextPosition.Default;
byte[] arrImg;
try
{
string barcodeFileName = AppDomain.CurrentDomain.BaseDirectory + @"\barcode.tif";
// Write the barcode
barcodeEngineInstance.Writer.WriteBarcode(theImage, data, options);
if (usingMemory)
{
using (MemoryStream _stream = new MemoryStream())
{
using (RasterCodecs _Codecs = new RasterCodecs())
{
_Codecs.Save(theImage, _stream, RasterImageFormat.Tif, theImage.BitsPerPixel);
arrImg = _stream.ToArray();
if (Save2File)
{
_Codecs.Save(theImage, barcodeFileName, RasterImageFormat.Tif, theImage.BitsPerPixel);
}
}
}
}
else
{
using (RasterCodecs _Codecs = new RasterCodecs())
{
_Codecs.Save(theImage, barcodeFileName, RasterImageFormat.Tif, theImage.BitsPerPixel);
arrImg = System.IO.File.ReadAllBytes(barcodeFileName);
}
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
ErrMsg = ex.Message;
return(null);
}
return(arrImg);
}
static void Main(string[] args)
{
String fileToConvert = @"FILE PATH HERE";
RasterSupport.SetLicense(@"C:\LEADTOOLS 20\Common\License\LEADTOOLS.LIC", System.IO.File.ReadAllText(@"C:\LEADTOOLS 20\Common\License\LEADTOOLS.LIC.KEY"));
using (RasterCodecs codecs = new RasterCodecs())
{
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false))
{
ocrEngine.Startup(null, null, null, @"C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime");
using (IOcrPage ocrPage = ocrEngine.CreatePage(ocrEngine.RasterCodecsInstance.Load(fileToConvert, 1), OcrImageSharingMode.AutoDispose))
{
ocrPage.AutoZone(null);
ocrPage.Recognize(null);
string recognizedCharacters = ocrPage.GetText(-1);
BarcodeEngine engine = new BarcodeEngine();
int resolution = 300;
using (RasterImage image = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White)))
{
BarcodeWriter writer = engine.Writer;
QRBarcodeData data = BarcodeData.CreateDefaultBarcodeData(BarcodeSymbology.QR) as QRBarcodeData;
data.Bounds = new LeadRect(0, 0, image.ImageWidth, image.ImageHeight);
QRBarcodeWriteOptions writeOptions = writer.GetDefaultOptions(data.Symbology) as QRBarcodeWriteOptions;
writeOptions.XModule = 30;
writeOptions.HorizontalAlignment = BarcodeAlignment.Near;
writeOptions.VerticalAlignment = BarcodeAlignment.Near;
data.Value = recognizedCharacters;
writer.CalculateBarcodeDataBounds(new LeadRect(0, 0, image.ImageWidth, image.ImageHeight), image.XResolution, image.YResolution, data, writeOptions);
Console.WriteLine("{0} by {1} pixels", data.Bounds.Width, data.Bounds.Height);
writer.WriteBarcode(image, data, writeOptions);
CropCommand cmd = new CropCommand(new LeadRect(0, 0, data.Bounds.Width, data.Bounds.Height));
cmd.Run(image);
codecs.Save(image, "QR.tif", RasterImageFormat.CcittGroup4, 1);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var process = new Process();
process.StartInfo = new ProcessStartInfo("QR.tif")
{
UseShellExecute = true
};
process.Start();
}
Console.WriteLine();
}
}
}
}
}
private void CleanupImage(RasterImage imageToClean, int startIndex, int count)
{
try
{
//Deskew
if (cleanUpOcrEngine != null && cleanUpOcrEngine.IsStarted)
{
using (IOcrDocument document = cleanUpOcrEngine.DocumentManager.CreateDocument())
{
for (var i = startIndex; i < startIndex + count; i++)
{
imageToClean.Page = i;
document.Pages.AddPage(imageToClean, null);
int angle = -document.Pages[0].GetDeskewAngle();
RotateCommand cmd = new RotateCommand(angle * 10, RotateCommandFlags.Bicubic, RasterColor.FromKnownColor(RasterKnownColor.White));
cmd.Run(imageToClean);
document.Pages.Clear();
}
}
}
else
{
for (var i = startIndex; i < startIndex + count; i++)
{
imageToClean.Page = i;
var deskewCommand = new DeskewCommand();
if (imageToClean.Height > 3500)
{
deskewCommand.Flags = DeskewCommandFlags.DocumentAndPictures | DeskewCommandFlags.DoNotPerformPreProcessing | DeskewCommandFlags.UseNormalDetection | DeskewCommandFlags.DoNotFillExposedArea;
}
else
{
deskewCommand.Flags = DeskewCommandFlags.DeskewImage | DeskewCommandFlags.DoNotFillExposedArea;
}
deskewCommand.Run(imageToClean);
}
}
}
catch (Exception ex)
{
//log.Error(ex);
Console.WriteLine("Not recognized");
}
}
private void DrawImage(PaintEventArgs e, Rectangle clipRect)
{
if (_documents.Count == 0)
{
return;
}
if (_documents[_currentPageIndex].Document == null || !this.CanUpdate)
{
return;
}
var graphics = e.Graphics;
var options = new SvgRenderOptions();
options.Transform = _transform;
options.Bounds = _documents[_currentPageIndex].Document.Bounds.Bounds;
options.UseBackgroundColor = true;
options.ClipBounds = LeadRectD.Create(clipRect.X, clipRect.Y, clipRect.Width, clipRect.Height);
options.BackgroundColor = RasterColor.FromKnownColor(RasterKnownColor.White);
try
{
using (var engine = RenderingEngineFactory.Create(graphics))
_documents[_currentPageIndex].Document.Render(engine, options);
}
catch
{
Console.WriteLine();
}
DrawBounds(graphics, Pens.Black, null, null, null, null, options.Bounds, options.Transform);
if (_documents[_currentPageIndex].DocumentText != null && _documents[_currentPageIndex].ShowText)
{
LeadRectD docBounds = _documents[_currentPageIndex].Document.Bounds.Bounds;
// Could be rotated, so
LeadPointD topLeft = docBounds.TopLeft;
LeadPointD bottomRight = docBounds.BottomRight;
LeadPointD[] corners = new LeadPointD[4];
corners[0].X = topLeft.X;
corners[0].Y = topLeft.Y;
corners[1].X = bottomRight.X;
corners[1].Y = topLeft.Y;
corners[2].X = bottomRight.X;
corners[2].Y = bottomRight.Y;
corners[3].X = topLeft.X;
corners[3].Y = bottomRight.Y;
options.Transform.TransformPoints(corners);
GraphicsPath path = new GraphicsPath();
PointF[] pts = new PointF[4];
for (int i = 0; i < corners.Length; i++)
{
pts[i].X = (float)corners[i].X;
pts[i].Y = (float)corners[i].Y;
}
path.AddPolygon(pts);
graphics.SetClip(path, System.Drawing.Drawing2D.CombineMode.Intersect);
using (var brush = new SolidBrush(Color.FromArgb(64, Color.Black)))
{
foreach (var character in _documents[_currentPageIndex].DocumentText.Characters)
{
var bounds = character.Bounds;
var text = new string(new char[] { character.Code });
DrawBounds(graphics, Pens.Yellow, brush, Brushes.Yellow, Font, text, character.Bounds, options.Transform);
}
}
}
base.OnPaint(e);
}
private bool CleanupImage(RasterImage imageToClean, int startIndex, int count)
{
try
{
if (this.IsStartedOcrEngine())
{
using (IOcrDocument document = this.TheOcrEngine.DocumentManager.CreateDocument())
{
for (var i = startIndex; i < startIndex + count; i++)
{
imageToClean.Page = i;
document.Pages.AddPage(imageToClean, null);
int angle = -document.Pages[0].GetDeskewAngle();
RotateCommand cmd = new RotateCommand(angle * 10, RotateCommandFlags.Bicubic, RasterColor.FromKnownColor(RasterKnownColor.White));
cmd.Run(imageToClean);
document.Pages.Clear();
}
}
}
else
{
for (var i = startIndex; i < startIndex + count; i++)
{
imageToClean.Page = i;
var deskewCommand = new DeskewCommand();
if (imageToClean.Height > 3500)
{
deskewCommand.Flags = DeskewCommandFlags.DocumentAndPictures | DeskewCommandFlags.DoNotPerformPreProcessing | DeskewCommandFlags.UseNormalDetection | DeskewCommandFlags.DoNotFillExposedArea;
}
else
{
deskewCommand.Flags = DeskewCommandFlags.DeskewImage | DeskewCommandFlags.DoNotFillExposedArea;
}
deskewCommand.Run(imageToClean);
}
}
return(true);
}
catch (Exception ex)
{
return(false);
}
}
