Mayank Agarwal has Published 373 Articles

NodeJS - Exception Handling in Synchronous Code

Mayank Agarwal

Mayank Agarwal

Updated on 28-Apr-2021 06:24:19

192 Views

An exception is a type of an event that occurs while executing or running a program that stops the normal flow of the program and returns to the system. When an exception occurs the method creates an object and gives it to the runtime system. This creating an exception and ... Read More

NodeJS - Exception Handling in eventful Code

Mayank Agarwal

Mayank Agarwal

Updated on 28-Apr-2021 06:22:07

354 Views

An exception is a type of an event, that occurs while executing or running a program that stops the normal flow of the program and returns to the system. When an exception occurs the method creates an object and gives it to the runtime system. This creating an exception and ... Read More

NodeJS - Exception Handling in Asynchronous Code

Mayank Agarwal

Mayank Agarwal

Updated on 28-Apr-2021 06:19:38

265 Views

An exception is a type of an event that occurs while executing or running a program that stops the normal flow of the program and returns to the system. When an exception occurs the method creates an object and gives it to the runtime system. This creating an exception and ... Read More

How to overlay text on an image using JIMP in NodeJS?

Mayank Agarwal

Mayank Agarwal

Updated on 28-Apr-2021 06:17:29

5K+ Views

Like Image, we can also overlay text on an image using JIMP. This can be used to display brands or copyright information on images. The print() method is used to write text on images. Though Jimp can only support the Bitmap font format (.fnt), but other fonts can be converted ... Read More

How to apply a Sepia tone to an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:54:46

201 Views

NodeJS – Sepia() is an inbuilt function that is used to apply a sepia or wash tone to the image.Syntaxsepia(cb)sepia() paramterscb – This is an optional parameter that can be invoked after the compilation is complete.Input ImageUsing Node JIMP – SEPIA()Before proceeding to use sepia() functions, please check that the following ... Read More

How to rotate an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:52:29

1K+ Views

NodeJS – Rotate() is an inbuilt function that is used to rotate the images. The image is rotated clockwise where the dimensions of the image remains same and no changes are made on them.Syntaxrotate ( r, mode, cb )Definition of rotate() paramtersr – Used to store the rotation angle at ... Read More

How to resize an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:48:56

7K+ Views

NodeJS – Resize() is an inbuilt function that is used to resize the images to the desired size. We can use resize to set the height and width using a 2-pass bilinear algorithm. It can resize an image into any size as declared by the user. We can take input ... Read More

How to apply Posterize to an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:45:24

353 Views

NodeJS – Posterize() is an inbuilt function that is used to apply posterize to images upto the level 'n'. The n will be the input parameter.Syntaxposterize(n, cb)Definition of posterize() paramtersn – It will take input to adjust the posterize level. Minimum value possible is 2.cb – This is an optional ... Read More

How to change the opacity of an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:40:52

724 Views

NodeJS – Opacity() is an inbuilt function that is used to change the opacity of the images. This function multiplies the opacity of each pixel by a factor between 0 and 1 to produce the output image.Syntaxopacity(f, cb)Definition of opacity() paramtersf – It takes a value between 0 to 1 as ... Read More

How to invert the colors of an image in Node Jimp?

Mayank Agarwal

Mayank Agarwal

Updated on 27-Apr-2021 13:37:09

604 Views

NodeJS – Invert() is an inbuilt function that is used to invert the image colors.Syntaxinvert(cb)sepia() paramtersb – This is an optional parameter that can be invoked after the compilation is complete.Input ImageUsing Node JIMP – INVERT()Before proceeding to use invert() functions, please check that the following statements are already executed ... Read More

Advertisements