Hjg.Pngcs.PngWriter.PngWriter C# (CSharp) Method

PngWriter Class Documentation Show file Open project: devedse/DeveMazeGenerator

PngWriter() public method

Constructs a PngWriter from a outputStream, with optional filename or description

After construction nothing is writen yet. You still can set some parameters (compression, filters) and queue chunks before start writing the pixels. See also FileHelper.createPngWriter()

public PngWriter ( Stream outputStream, Hjg.Pngcs.ImageInfo imgInfo, String filename ) : System
outputStream	Stream	Opened stream for binary writing
imgInfo	Hjg.Pngcs.ImageInfo	Basic image parameters
filename	String	Optional, can be the filename or a description.
return	System

        public PngWriter(Stream outputStream, ImageInfo imgInfo,
                String filename)
        {
            this.filename = (filename == null) ? "" : filename;
            this.outputStream = outputStream;
            this.ImgInfo = imgInfo;
            // defaults settings
            this.CompLevel = 6;
            this.ShouldCloseStream = true;
            this.IdatMaxSize = 0; // use default
            this.CompressionStrategy = EDeflateCompressStrategy.Filtered;
            // prealloc
            //scanline = new int[imgInfo.SamplesPerRowPacked];
            rowb = new byte[imgInfo.BytesPerRow + 1];
            rowbprev = new byte[rowb.Length];
            rowbfilter = new byte[rowb.Length];
            chunksList = new ChunksListForWrite(ImgInfo);
            metadata = new PngMetadata(chunksList);
            filterStrat = new FilterWriteStrategy(ImgInfo, FilterType.FILTER_DEFAULT);
            unpackedMode = false;
            needsPack = unpackedMode && imgInfo.Packed;
        }