Reset Method (original) (raw)
Syntax
C#
Objective-C
C++/CLI
Java
Python
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
RasterImage image;
private void Codecs_LoadImage(object sender, CodecsLoadImageEventArgs e)
{
//copy each row of data into our manually allocated RasterImage
image.SetRow(e.Row, e.Buffer.Data, image.BytesPerLine * e.Lines);
}
public void AllocateImageExample()
{
string fileName = Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp");
RasterCodecs codecs = new RasterCodecs();
CodecsImageInfo info = codecs.GetInformation(fileName, false);
int size = info.Width * info.Height * info.BitsPerPixel;
IntPtr data = Marshal.AllocHGlobal(size);
image = new RasterImage(RasterMemoryFlags.User, info.Width, info.Height, info.BitsPerPixel, RasterByteOrder.Bgr, info.ViewPerspective, null, data, size);
image.Access();
//Setting the loading options.
//Do NOT allow LEADTOOLS to allocate the image data
codecs.Options.Load.AllocateImage = false; // CodecsOptions & CodecsLoadOptions reference
codecs.Options.Load.StoreDataInImage = false;
//keeping the loaded image data compressed in memory.
codecs.Options.Load.Compressed = true;
codecs.Options.Load.DiskMemory = false;
//force a palletized image to be dithered to the LEAD fixed palette.
codecs.Options.Load.FixedPalette = true;
//we know the format of the file
codecs.Options.Load.Format = RasterImageFormat.Cmp;
//disable loading metadata markers if present in the file, false to ignore them.
codecs.Options.Load.Markers = false;
codecs.Options.Load.NoDiskMemory = true;
codecs.Options.Load.NoInterlace = false;
codecs.Options.Load.NoTiledMemory = true;
codecs.Options.Load.Passes = 0;
//ignore the view perspective stored in the file.
codecs.Options.Load.Rotated = false;
//set negative pixel values to 0.
codecs.Options.Load.Signed = false;
codecs.Options.Load.InitAlpha = true;
//load super-compressed in memory
codecs.Options.Load.SuperCompressed = true;
codecs.Options.Load.TiledMemory = false;
codecs.Options.Load.XResolution = 350;
codecs.Options.Load.YResolution = 350;
//allow loading corrupted images
codecs.Options.Load.LoadCorrupted = true;
codecs.LoadImage += Codecs_LoadImage;
codecs.Load(fileName);
codecs.LoadImage -= Codecs_LoadImage;
image.Release();
//Meta file's comments will be saved.
//CodecsSaveOptions reference
codecs.Options.Save.Comments = true;
codecs.Options.Save.FixedPalette = true;
codecs.Options.Save.GeoKeys = false;
//Tiff file output will be gray.
codecs.Options.Save.GrayOutput = true;
//Meta file's markers will be saved.
codecs.Options.Save.Markers = true;
codecs.Options.Save.MotorolaOrder = false;
codecs.Options.Save.OptimizedPalette = true;
codecs.Options.Save.Password = "LEADTOOLS";
LeadSize[] resolutions = new LeadSize[1];
resolutions[0].Width = 350;
resolutions[0].Height = 350;
codecs.Options.Save.GetResolutions();
codecs.Options.Save.SetResolutions(resolutions);
codecs.Options.Save.Reset();
//Meta file's tags will be saved.
codecs.Options.Save.Tags = true;
codecs.Options.Save.UseImageDitheringMethod = true;
codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "allocate_image.tif"), RasterImageFormat.Tif, 8, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite);
// Finalize cannot be called directly, it is invoked automatically.
// To clean up before exiting, use Dispose
image.Dispose();
Marshal.FreeHGlobal(data);
codecs.Dispose();
}
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