How to C#: Modify Color and Contrast

Overview

By using the XImage.Raster SDK, you can modify the image's color and contrast by assigning it to the processor. The same image displayed on different screen may be have a different perception about the image's intensities. The GammaImage method will adjust red, green and blue three channels with gamma parameter, or you can choose the GammaImageChannel method to adjust the three channels individually. vb.net ghostscript pdf to image, create pdf report from database in asp.net using vb.net, view pdf in windows form c#, merge pdf c#, itextsharp edit existing pdf c#, asp.net pdf writer. If you are not sure what is the exactly value to use, call the AutoGammaImage method. Also, the method BtightnessContrastImage can modify the image's brightness and contrast individually or both two.

Steps to Modify Color and Contrast

Load an image with RasterImage object.

Create an image processor with ImageProcess object.

Call the method BrightnessContrastImage 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. convert pdf to text c#, convert image to pdf using vb.net, replace text in pdf using itext7 c#, c# pdf scale, convert pdf to word in c#.net, c# extract pdf page as image, vb.net convert pdf to bitmap.

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. show image in datalist asp.net c#, c# asp.net pdf viewer, how to edit pdf file in asp.net c#, pdf preview in asp.net c#, asp.net open excel file, asp net replace text fro pdf free, asp net mvc generate pdf from view itextsharp.

How to Modify Color and Contrast

Sample Code (modify image color and contrast):

RasterImage img = new RasterImage(@"F:\input.tif");
ImageProcess process = new ImageProcess(img);

//modify the brightness and contrast
process.BrightnessContrastImage(100F, 100F);
//If the image has multiple frames,>
//Only modify the brightness and contrast of the second page
process.BrightnessContrastImage(100F, 100F, 1);
img.Save(@"C:\output.tif">);