public event EventHandler<SliceCommandEventArgs> Slice
public:
event EventHandler<SliceCommandEventArgs^>^ Slice
def Slice(sender,e): # sender: SliceCommand e: SliceCommandEventArgs
The event handler receives an argument of type SliceCommandEventArgs containing data related to this event. The following SliceCommandEventArgs properties provide information specific to this event.
Property | Description |
---|---|
Cancel | Gets or sets the value which indicates whether or not to continue with the slicing command. |
DeskewAngle | Gets the angle of deskewing. |
Image | Affected image. |
SliceImage | Gets the sliced images. |
SliceRectangle | Gets the bounding rectangle of the extracted slice. |
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void SliceCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));
// Prepare the command
SliceCommand cmd = new SliceCommand();
cmd.FillColor = new RasterColor(0, 0, 0);
cmd.MaximumDeskewAngle = 40;
cmd.Flags = SliceCommandFlags.Bicubic | SliceCommandFlags.WithoutCut | SliceCommandFlags.DeskewImage;
cmd.Slice += new EventHandler<SliceCommandEventArgs>(SliceEventExample_S1);
// Apply the slice command on the image.
cmd.Run(image);
// Print out the deskew amount.
Console.WriteLine("Deskew Angle = {0}", cmd.DeskewAngle);
}
private void SliceEventExample_S1(object sender, SliceCommandEventArgs e)
{
// create a region around the slice
if (e.Image.HasRegion)
e.Image.AddRectangleToRegion(null, e.SliceRectangle, Leadtools.RasterRegionCombineMode.Xor);
else
e.Image.AddRectangleToRegion(null, e.SliceRectangle, Leadtools.RasterRegionCombineMode.Set);
// print out the deskew angle
Console.WriteLine("The rotation Amount is {0}", e.DeskewAngle);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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