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function .decodeBuffer()

Description

Decodes barcodes from the memory buffer containing image pixels in defined format.

Syntax

.decodeBuffer(source, width, height, stride, enumImagePixelFormat)

Parameter

Parameter Type Description
source Blob ArrayBuffer Uint8Array The image raw buffer.
width number The width of the image buffer.
height number The height of the image buffer.
stride number The stride width (also called scan width) of the image buffer.
enumImagePixelFormat number(dynamsoft.BarcodeReader.EnumImagePixelFormat) The pixel format of the image buffer.

Returned Value

Type Description
Promise(resolve(array), reject(ex)) The array element is TextResult.

Example

var rawImgData = new Blob(['xxxxxxx']);
var width = 100;
var height = 200;
reader.decodeBuffer(rawImgData, width, height, width * 4, dynamsoft.BarcodeReader.EnumImagePixelFormat.IPF_ARGB_8888).then(results=>{
    for(var i = 0; i < results.length; ++i){
        console.log(results[i].BarcodeText);
    }
})