How to C#: Modify Alpha Channel

Overview

By using the XImage.Raster SDK, you can add alpha channel to 24bpp image and convert it to 32bpp image. Conversely, you can remove 32bpp image's depth channel and convert it to 24bpp image. c# pdf split merge, c# split pdf, c# print to pdf, how to read pdf file in asp.net c#, extract images from pdf file c# itextsharp, datamatrix.net c# example.

Steps to Modify Alpha Channel

Load an image with RasterImage object.

Create an image processor with ImageProcess object.

Call the AddAlphaChannel method of ImageProcess object to complete the task flopping image.

Save the modified image to an image file on the disk.

In order to acheive the work, please refer to the following steps. c# populate pdf form fields, itextsharp read pdf line by line vb.net, vb.net code to merge pdf files, c# change pdf title, vb.net edit pdf, c# itextsharp add text to existing pdf, vb.net itextsharp convert pdf to text.

Install XImage.Raster in C# Project

Add necessary references to your C#.NET project. Right-click the project and select "Add Reference..." to locate and add the following DLLs as project references;

  RasterEdge.Imaging.Basic.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XImage.Raster.dll

Use corresponding namespaces;

  using RasterEdge.XImage.Raster;

Note: When you get the error "Could not load file or assembly 'RasterEdge.Imaging.Basic' or any other assembly or one of its dependencies. An attempt to load a program with an incorrect format", please check your configure as follows:

       If you are using x64 libraries/dlls, Right click the project -> Properties -> Build -> Platform target: x64.

       If using x86, the platform target should be x86. asp.net mvc open word document in browser, pdf editor in asp net mvc, asp.net tif viewer, asp net replace text from pdf javascript, display pdf in asp.net page, preview pdf in asp.net mvc, asp. net mvc pdf viewer.

Modify Alpha Channel

Sample Code (modify alpha channel):

RasterImage img = new RasterImage(@"F:\input.png");
ImageProcess process = new ImageProcess(img);
//add alpha channel to 24bpp image.
process.AddAlphaChannel();
img.Save(@"C:\output.png">);