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C# Imaging How-Tos

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C# Imaging Library
C# Raster - Image Save Options in C#.NET


How to save image(s) addition options with C# XImage.Raster SDK





There are a series of settings for saving. Every output format has their own special save options. The table at the end of this section will explain these parameters in detail.


How to save, export TIFF BMP, PNG raster images with options applied using C#?

  1. Download XImage.Raster C# imaging library
  2. Install C# library to save, convert, export TIFF, BMP, PNG, JPG images with options specified in .NET applications
  3. Step by Step Tutorial












To save RasterImage object with option just need three steps:
  1. Create a SaveOption object.
  2. Set the corresponding arguments
  3. Pass the object to the Save method.

Here we will explain a sample C# code to save an image with saving options applied.
  1. Create a SaveOption object to specify the image saving options.
  2. Specify the saving image format as PNG
  3. Apply the PNG image properties, including Filter, Inerlaced, and Level
  4. Create a RasterImage object with an image loaded.
  5. Call method Save() to save image with options applied.

SaveOption options = new SaveOption();
options.ImageFormat = RasterEdge.XImage.Raster.ImageFormat.PNG;
options.Png.Filter = PNGFilter.PAETH;
options.Png.Interlaced = true;
options.Png.Level = PNGCompressLevel.LEVEL9;
RasterImage image = new RasterImage("sample-image.png");
image.Save("sample-image-saved-with-options.png", options);


List of image saving options



General Image Saving Options
  • ImageFormat Specify the target format that image need to encode to
  • ThumbnailSize the size of the output, set this option will save the RasterImage object as a thumbnail
  • UseEmbeddedColorManagement if use the embedded color management
  • RenderIntent set the render intent for output file
  • TargetProfileName the path of color profile


Image Formats Specified Options:

SaveOption.Png
  • Filter filtering the data before compression
  • Interlaced if save the png file in interlaced format. Turn on it if there is a slow internet connection.
  • Level compression level
  • Strategy compression strategy
  • TransparencyColor pick a color form the image, and make it transparent
  • TransparencyMatch colors within this distance are considered equal.


SaveOption.Tif
  • Compression set compression for output tif file
  • ColorSpace set color space for output tif file
  • MultiPage if save to a multipage tif file, otherwise only the first page of the file will be saved.
  • RowsPerStip set the number of rows per strip


SaveOption.Bmp
  • Compression set the compression for output bmp file


SaveOption.Jpeg
  • Progressive if save jpeg file in progressed format. Turn on it if there is a slow internet connection.
  • OptimizedHuffman if use the optimized Huffman codes during encoding instead of using default Huffman codes
  • SaveToGray if save the output jpeg file to gray
  • ColorSpace set the output jpeg file's color space
  • Quality set compression level
  • SubSampleType specify sub sample type for jpeg encoder, use default compress quality 85
  • SmoothImage if smooth the output jpeg file


SaveOption.Gif
  • Interlaced if save gif file in interlaced format
  • TransparencyColor pick a color from color palette and define it as a transparent color
  • TransparencyMatch colors within this distance are considered equal
  • Version set output gif's version. note:87a not support animate delays nor transparent background colors


SaveOption.Jp2
  • SaveToGray if save the jp2 file to gray scale
  • PSNR set the Peak Signal to Noise Ratio(DB)
  • CompressRate set jp2 file's compression rate
  • ProgressOrder set jp2 file's progress order
  • TileWidth set jp2 file's tile width
  • TileHeigth set jp2 file's tile height
  • Lossless if save jp2 file in lossless format