public Stream Stream { get; }
@property (nonatomic, strong, readonly, nullable) LTLeadStream *stream;
public ILeadStream getStream()
public:
property Stream^ Stream {
Stream^ get();
}
Stream # get (CodecsSaveImageEventArgs)
The Stream object currently being saved.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;
public void SaveImageExample()
{
RasterCodecs codecs = new RasterCodecs();
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_SaveImage.cmp");
// Load the source file (make sure to load as 24 bits/pixel)
RasterImage image = codecs.Load(srcFileName, 24, CodecsLoadByteOrder.Bgr, 1, 1);
// Instruct RasterCodecs to generate the saved scanlines data for us to manipulate
codecs.Options.Save.RetrieveDataFromImage = true;
// Add a handler to the SaveImage event
codecs.SaveImage += new EventHandler<CodecsSaveImageEventArgs>(codecs_SaveImage);
// Save the image
codecs.Save(image, destFileName, RasterImageFormat.Cmp, 24);
codecs.SaveImage -= new EventHandler<CodecsSaveImageEventArgs>(codecs_SaveImage);
image.Dispose();
// Clean up
codecs.Dispose();
}
private void codecs_SaveImage(object sender, CodecsSaveImageEventArgs e)
{
// This example works with images saved as 24-bit per pixel only
Debug.Assert(e.Image.BitsPerPixel == 24);
e.Cancel = false;
if (e.Row == 0)
{
// Show information about the image being saved
Debug.WriteLine("Saving an image with {0} bpp to {1}", e.Image.BitsPerPixel, e.FileName);
Debug.WriteLine("Offset: {0}, OffsetValid: {1}", e.Offset, e.OffsetValid);
Debug.WriteLine("Page: {0} of {1}", e.Page, e.LastPage - e.FirstPage + 1);
Debug.WriteLine("Page percent: {0}%, Total percent: {1}%, Image Page: {2}", e.PagePercent, e.TotalPercent, e.ImagePage);
if (e.Stream != null)
{
Debug.WriteLine("Stream: {0}", e.Stream);
}
}
Debug.WriteLine("Row: {0}, Lines {1}", e.Row, e.Lines);
// Get the scanlines from the image
int scanlineLength = e.Image.BytesPerLine;
byte[] scanline = new byte[scanlineLength];
// Loop through all the scanlines in the data
for (int y = 0; y < e.Lines; y++)
{
// Get this row
e.Buffer.GetData(y * scanlineLength, scanline, 0, scanlineLength);
// We got the data, now double the intensity
// Remember, this is 24-bits/pixel
for (int x = 0; x < scanlineLength; x++)
{
scanline[x] *= 2;
}
// Copy it back to the event buffer
e.Buffer.SetData(y * scanlineLength, scanline, 0, scanlineLength);
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.*;
import java.net.*;
import java.nio.file.Paths;
import java.util.*;
import java.time.Instant;
import java.time.Duration;
import org.junit.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import static org.junit.Assert.*;
import leadtools.*;
import leadtools.codecs.*;
import leadtools.codecs.RasterCodecs.FeedCallbackThunk;
import leadtools.drawing.internal.*;
import leadtools.imageprocessing.*;
import leadtools.imageprocessing.color.ChangeIntensityCommand;
import leadtools.svg.*;
public void saveImageExample() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
RasterCodecs codecs = new RasterCodecs();
String srcFileName = combine(LEAD_VARS_IMAGES_DIR, "Image1.cmp");
String destFileName = combine(LEAD_VARS_IMAGES_DIR, "Image2.cmp");
// Load the source file (make sure to load as 24 bits/pixel)
RasterImage image = codecs.load(srcFileName, 24, CodecsLoadByteOrder.BGR, 1, 1);
// Instruct RasterCodecs to generate the saved scanlines data for us to
// manipulate
codecs.getOptions().getSave().setRetrieveDataFromImage(true);
// Add a handler to the SaveImage event
codecs.addSaveImageListener(codecsSaveImage);
// Save the image
codecs.save(image, destFileName, RasterImageFormat.CMP, 24);
assertTrue("File unsuccessfully saved to" + destFileName, (new File(destFileName)).exists());
System.out.println("File is saved to" + destFileName);
// Clean up
codecs.removeSaveImageListener(codecsSaveImage);
image.dispose();
codecs.dispose();
}
CodecsSaveImageListener codecsSaveImage = new CodecsSaveImageListener() {
@Override
public void onSaveImage(CodecsSaveImageEvent e) {
// This example works with images saved as 24-bit per pixel only
assertTrue(e.getImage().getBitsPerPixel() == 24);
e.setCancel(false);
if (e.getRow() == 0) {
// Show information about the image being saved
System.out.println("Saving an image with " + e.getImage().getBitsPerPixel() + " bpp");
System.out.println("Page: " + e.getPage() + " of " + (e.getLastPage() - e.getFirstPage() + 1));
System.out.println("Page percent: " + e.getPagePercent() + "%, Total percent: " + e.getTotalPercent()
+ "%, Image Page: " + e.getImagePage());
if (e.getStream() != null) {
System.out.println("Stream: " + e.getStream());
}
}
System.out.println("Row: " + e.getRow() + ", Lines " + e.getLines());
// Get the scanlines from the image
int scanlineLength = e.getImage().getBytesPerLine();
byte[] scanline = new byte[scanlineLength];
// Loop through all the scanlines in the data
for (int y = 0; y < e.getLines(); y++) {
// Get this row
e.getBuffer().getData(y * scanlineLength, scanline, 0, scanlineLength);
// We got the data, now double the intensity
// Remember, this is 24-bits/pixel
for (int x = 0; x < scanlineLength; x++) {
scanline[x] *= 2;
}
// Copy it back to the event buffer
e.getBuffer().setData(y * scanlineLength, scanline, 0, scanlineLength);
}
}
};
Help Collections
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