public enum LeadFillMode
typedef NS_ENUM(NSInteger, LTLeadFillMode) {
LTLeadFillModeAlternate,
LTLeadFillModeWinding
};
public final class LeadFillMode
extends java.lang.Enum<LeadFillMode>
public enum class LeadFillMode
class LeadFillMode(Enum):
Alternate = 0
Winding = 1
Value | Member | Description |
---|---|---|
0 | Alternate | The filled area includes the area between odd-numbered and even-numbered polygon sides on each scan line. |
1 | Winding | All pixels that are inside the resulting exterior lines are filled. |
The following figure describes how fill mode is used:
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Dicom;
using Leadtools.Drawing;
using Leadtools.Controls;
using Leadtools.Svg;
public void AddPolygonToRegionExample()
{
RasterCodecs codecs = new RasterCodecs();
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddPolygonToRegion.bmp");
// Load the image
RasterImage image = codecs.Load(srcFileName);
// Add a polygon region
RasterRegionXForm xform = new RasterRegionXForm();
xform.ViewPerspective = RasterViewPerspective.TopLeft;
xform.XOffset = 0;
xform.YOffset = 0;
xform.XScalarDenominator = 1;
xform.XScalarNumerator = 1;
xform.YScalarDenominator = 1;
xform.YScalarNumerator = 1;
int x1 = image.ImageWidth / 4;
int y1 = image.ImageHeight / 4;
int x2 = image.ImageWidth / 3;
int y2 = image.ImageHeight / 3;
LeadPoint[] pts =
{
new LeadPoint(x1, y1),
new LeadPoint(x2, y1),
new LeadPoint(x1, y2),
new LeadPoint(x2, y2)
};
image.AddPolygonToRegion(xform, pts, LeadFillMode.Winding, RasterRegionCombineMode.Set);
// Draw something on the image
InvertCommand command = new InvertCommand();
command.Run(image);
// Save the image
codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);
image.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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