public BarcodeWriter Writer { get; }
@property (nonatomic, strong, readonly) LTBarcodeWriter *writer;
public BarcodeWriter getWriter()
public:
property BarcodeWriter^ Writer {
BarcodeWriter^ get();
}
Writer # get (BarcodeEngine)
The instance of the BarcodeWriter class associated with this barcode engine that can be used to write barcodes to an image.
The BarcodeWriter class is used to write one or more barcodes to an image. You cannot create an instance of BarcodeWriter directly, instead, use the instance created inside BarcodeEngine and accessed through BarcodeEngine.Writer.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Barcode;
using Leadtools.ImageProcessing;
public void BarcodeWriter_Example()
{
// Create a directory to store the images we will create
string outDir = Path.Combine(LEAD_VARS.ImagesDir, "MyBarcodes");
if (Directory.Exists(outDir))
{
Directory.Delete(outDir, true);
}
Directory.CreateDirectory(outDir);
int resolution = 300;
// Create a Barcode engine
BarcodeEngine engine = new BarcodeEngine();
// Get the Barcode writer
BarcodeWriter writer = engine.Writer;
// All 1D options have the UseXModule set to false by default, we need to set it to true
// so we can calculate the default size. We will change the default options so we can
// pass null to CalculateBarcodeDataBounds and WriteBarcode below
// For all Standard 1D
OneDBarcodeWriteOptions oneDWriteOptions = writer.GetDefaultOptions(BarcodeSymbology.UPCA) as OneDBarcodeWriteOptions;
oneDWriteOptions.UseXModule = true;
// All GS1 Databar Stacked
GS1DatabarStackedBarcodeWriteOptions gs1DatabarStackedWriteOptions = writer.GetDefaultOptions(BarcodeSymbology.GS1DatabarStacked) as GS1DatabarStackedBarcodeWriteOptions;
gs1DatabarStackedWriteOptions.UseXModule = true;
// Patch Code
PatchCodeBarcodeWriteOptions patchCodeWriteOptions = writer.GetDefaultOptions(BarcodeSymbology.PatchCode) as PatchCodeBarcodeWriteOptions;
patchCodeWriteOptions.UseXModule = true;
// All PostNet/Planet
PostNetPlanetBarcodeWriteOptions postNetPlanetWriteOptions = writer.GetDefaultOptions(BarcodeSymbology.PostNet) as PostNetPlanetBarcodeWriteOptions;
postNetPlanetWriteOptions.UseXModule = true;
// We will use this object to save files
using (RasterCodecs codecs = new RasterCodecs())
{
// Get all the available write symbologies
BarcodeSymbology[] symbologies = writer.GetAvailableSymbologies();
foreach (BarcodeSymbology symbology in symbologies)
{
Console.WriteLine("Processing {0}", symbology);
// Create the default data for this symbology
BarcodeData data = BarcodeData.CreateDefaultBarcodeData(symbology);
// Calculate its size with default options
writer.CalculateBarcodeDataBounds(LeadRect.Empty, resolution, resolution, data, null);
// Create an image to write the data to
LeadRect pixels = data.Bounds;
using (RasterImage image = RasterImage.Create(pixels.Width, pixels.Height, 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White)))
{
// Write the barcode with default options
writer.WriteBarcode(image, data, null);
// Save it
string outFileName = Path.Combine(outDir, symbology + ".tif");
codecs.Save(image, outFileName, RasterImageFormat.Tif, 1);
}
}
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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