OgImgGen

Og image generation middleware for .net core with built in caching

Available on nuget package manager Nuget package

.net CLI: dotnet add package OgImgGen --version 1.0.1

Usage example

Query the required og image:

https://localhost:5001/ogimg.png?topText=Hello%20World&bottomText=Dynamically%20generated%20png%20og%20image

Enjoy the result:

Setup

Register in the Configure method

app.UseResponseCaching();

app.UseOgImgGen("/ogImg.png", "default-image.png", "font-you-want-to-use.ttf");

UseOgImgGen accepts 3 properties

• path, the URL to listen to
• defaultImage location, the location for an existing image
• font file location, the font to render on image

Query options

query option	default value	description	type
topText		first line of the text	string?
bottomText		second line of the text	string?
theme	dark	defines the background and text color	"dark"|"light"
image	defaultImage from the UseOgImgGen method	a relative path to the image file	string?