StopOverlay Method (original) (raw)
Summary
Restores the previous overlay callback.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public void StopOverlay() public void stopOverlay() public:
void StopOverlay();
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;
void PtokaOverlayExample(string ptokaFileName, string ptokaFilesPath)
{
RasterCodecs codecs = new RasterCodecs();
// Set up the private variables used in the callback
myCodecs = codecs;
myPtokaFilesPath = ptokaFilesPath;
// Set the overlay callback
codecs.StartOverlay(CodecsOverlayCallback, CodecsOverlayCallbackMode.CallLoad);
// Load the PTOKA file
RasterImage image = codecs.Load(ptokaFileName);
// Stop the overlay by resetting the old callback.
codecs.StopOverlay();
// Save the image as TIFF
string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "PtokaOverlay.tif");
codecs.Save(image, destFileName, RasterImageFormat.Tif, 1);
image.Dispose();
// Clean up
codecs.Dispose();
}
RasterCodecs myCodecs;
string myPtokaFilesPath;
void CodecsOverlayCallback(CodecsOverlayData data)
{
// Show overlay information
Debug.WriteLine("File: {0}", data.FileName);
Debug.WriteLine("Page Number: {0}", data.PageNumber);
Debug.WriteLine("Info: {0}", data.Info);
// Construct the overlay file name
string overlayFileName = Path.Combine(myPtokaFilesPath, data.FileName);
if (data.Info)
{
// Info, we only need to fill in the .InfoXXX members of the data
CodecsImageInfo imageInfo = myCodecs.GetInformation(overlayFileName, false);
data.InfoWidth = imageInfo.Width;
data.InfoHeight = imageInfo.Height;
data.InfoXResolution = imageInfo.XResolution;
data.InfoYResolution = imageInfo.YResolution;
}
else
{
// We need to load the overlay image into the .Image member
data.Image = myCodecs.Load(overlayFileName);
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Leadtools.Codecs Assembly
CompactFile(Stream,Stream,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(Stream,Stream,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method
CompactFile(string,string,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(string,string,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method