Underlay Method (original) (raw)
Summary
Combines two images so that one appears to be an underlying texture for the other.
Syntax
C#
Objective-C
C++/CLI
Java
Python
- (BOOL)underlay:(LTRasterImage *)_underlayImage_
flags:(LTRasterImageUnderlayFlags)_flags_
error:(NSError **)error
def Underlay(self,flags): Parameters
underlayImage
The image that will be used as the underlying image. This is the image that appears to be on bottom and is grayscaled as it is combined with the target image.
flags
Indicators of how the underlying image is to be positioned.
Example
This example draws an ellipse on the image.
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 UnderlayExample()
{
RasterCodecs codecs = new RasterCodecs();
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP"));
// Load underlay image
RasterImage underlayImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ULAY1.BMP"));
// Use underlayImage as a tiled underlay for image
image.Underlay(underlayImage, RasterImageUnderlayFlags.None);
codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1_underlay.BMP"), RasterImageFormat.Bmp, 0);
image.Dispose();
underlayImage.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Leadtools Assembly