Class ImageProcessor

Index

Methods

applyFilter copy crop processedImage release resize rotate

Methods

applyFilter

applyFilter(filter): Promise<void>
Applies the given filter to the image. See ParametricFilter for available filters.
Parameters
- filter: ParametricFilter
Returns Promise<void>
Example
```
imageProcessor.applyFilter(new sdk.imageFilters.ScanbotBinarizationFilter());
```

copy

copy(): Promise<ImageProcessor>
Returns Promise<ImageProcessor>

crop

crop(polygon): Promise<void>
Crops the image to the given polygon. The polygon is defined by an array of four points, each point being an object with x and y coordinates. Each coordinate is a floating point number between 0 and 1, representing the percentage of the image width and height, respectively.
Parameters
- polygon: Polygon
Returns Promise<void>
Example
```
// Crop an image to the center 80% of the image:
   imageProcessor.crop([{x: 0.1, y: 0.1}, {x: 0.9, y: 0.1}, {x: 0.9, y: 0.9}, {x: 0.1, y: 0.9}])
```

processedImage

processedImage(): Promise<ArrayBuffer>
Returns the processed image as a JPEG encoded ArrayBuffer.

Returns Promise<ArrayBuffer>

release

release(): Promise<void>
Returns Promise<void>

resize

resize(destinationSize): Promise<void>
Resizes image, keeping aspect ratio, so that the biggest side of the image is equal to destinationSize.
Parameters
- destinationSize: number
Returns Promise<void>

rotate

rotate(rotation): Promise<void>
Parameters
- rotation: Rotation
Returns Promise<void>

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