@hsk.coder/js-cut-image v0.0.1

JS Cut Image

A lib for cutting an image by specific color line.

Installing

Using npm:

npm install @hsk.coder/js-cut-image

or using yarn:

yarn add @hsk.coder/js-cut-image

Functions

cutImageByColorLine(image url, r, g, b, deviation, percentage criterion, CUT_DIRECTION_TOP | CUT_DIRECTION_BOTTOM | CUT_DIRECTION_LEFT | CUT_DIRECTION_RIGHT, CUT_FIND_FIRST_LINE_OVER | CUT_FIND_FIRST_LINE_UNDER | CUT_FIND_LAST_LINE_OVER | CUT_FIND_LAST_LINE_UNDER)

cutImageByColorLine(imgUrl, 255, 255, 255, 5, 70, CUT_DIRECTION_TOP, CUT_FIND_FIRST_LINE_OVER);

It means that search from top to bottom and when find a line that includes white color( but It's okay from -5 to +5 from the criterion number) over 70% of a line, remove the line .

Example

Let's say. We have the image and want to remove black colors of the image.

let cuttedImgUrl = await cutImageByColorLine(
  imgUrl,
  [0, 0, 0],
  10,
  70,
  CUT_DIRECTION_TOP,
  CUT_FIND_LAST_LINE_UNDER
);
cuttedImgUrl = await cutImageByColorLine(
  cuttedImgUrl,
  [0, 0, 0],
  10,
  70,
  CUT_DIRECTION_LEFT,
  CUT_FIND_LAST_LINE_UNDER
);
cuttedImgUrl = await cutImageByColorLine(
  cuttedImgUrl,
  [0, 0, 0],
  10,
  70,
  CUT_DIRECTION_RIGHT,
  CUT_FIND_LAST_LINE_UNDER
);
cuttedImgUrl = await cutImageByColorLine(
  cuttedImgUrl,
  [0, 0, 0],
  10,
  70,
  CUT_DIRECTION_BOTTOM,
  CUT_FIND_LAST_LINE_UNDER
);

After executing the code, The image will be changed like this.