code128

问题 Based on my understanding* of the check digit calculation for Code128 barcodes (which differs radically/drastically from most of the other standard barcode types), my code below is correct. However, I would appreciate a "sanity check" by those who may know better/have some empirical observations/mud from the trenches attached to their trench (or lab) coats. This is my understanding: Each character in the barcode, from the left, is first converted into its ASCII code (IOW, a barcode character

问题 According to the chart here: http://www.idautomation.com/barcode-faq/code-128/ This character: Ë equates to the value 103. Yet this code: string barcode = textBoxRawCode128.Text.Trim(); . . . int runningTotal = ConvertToASCIIInt(barCode[0]); . . . private int ConvertToASCIIInt(char valToConvertToASCII) { const int ASCII_ADJUSTMENT_VAL = 32; return valToConvertToASCII - ASCII_ADJUSTMENT_VAL; } ...when the value in the textbox and thus of barcode is "ËTry another string.", thus where barcode[0]

问题 I have integrated the ZXing barcode reader in my android application. It scans most of the codes, but I have a electricity bill which it is unable to scan (using a Galaxy Ace 5.0MP). I think the problem is due to camera resolution and focus, because when I tried the same barcode on using Xperia SL (12.1MP) I got the result. So is there any solution to this problem? I have attached a sample image of the barcode. . 回答1: This scans instantly by the library itself: http://zxing.org/w/decode?u

问题 We are implementing GS1 linear barcodes (Code 128, Code 39) and GS1 2D barcodes (Data Matrix, PDF41 [sic]) and also GS1 DataBar barcodes in our application. Since I am new to this, I have few questions regarding GS1-type barcodes. What is the relation between GS1 standard barcodes and generic barcode symbols? Can any text be made into GS1-type barcode (e.g. GS1 DataMatrix) or does the text have to follow a certain mandatory format? Thanks in advance. 回答1: A quick nit: There is no such format

问题 I am working to integrate POS system to my site. So I want to generate barcode. I am using SKU as the data fields to encode the formate is XXXXX-XXX-XXX-XXX . X is a digit from 0 to 9 so after doing research I found code 128 is the best correct me if I am wrong. The problem with size, The label on items are 2' by 3 1/2' inches, when I generate barcode using barbecue and resize the image the scanner cannot read the barcode. So could you please explain what is the size constrains and what is

问题 I have developed an application for barcode decoding in android using Google vision Library for GS1 data matrix and Zbar Library for GS1 128 barcode Unable to read FNC1 character at the first position of a GS1 128 Barcode using Zbar library. The Zbar library is unable to display any sign of FNC1 character at the start of the Barcode! Any Solutions. . . . Instant Help is appreciable . . . Below is my ZBar Scanner Activity @SuppressWarnings("deprecation") public class ZBarFirstScannerActivity

问题 This is my first post on this website, can't seem to solve the problem. How do I emulate key function Ctrl + B to a barcode so i can scan the barcode with a scanner without pressing Ctrl + B . I've tried reading the ASCII Control Codes ASCII control codes Please help me. 回答1: As one of your tags demonstrates, you are already aware of the code 128 symbology. You will want to use the code128A start code (103) and the same character as a lower case 'b' in code128B (66). Finally, after adding

问题 Some questions about using Zxing... I write the following code to read barcode from an image: public class BarCodeDecode { /** * @param args */ public static void main(String[] args) { try { String tmpImgFile = "D:\\FormCode128.TIF"; Map<DecodeHintType,Object> tmpHintsMap = new EnumMap<DecodeHintType, Object>(DecodeHintType.class); tmpHintsMap.put(DecodeHintType.TRY_HARDER, Boolean.TRUE); tmpHintsMap.put(DecodeHintType.POSSIBLE_FORMATS, EnumSet.allOf(BarcodeFormat.class)); tmpHintsMap.put

问题 The original question i had ask was in C# Saving a form to image without anti aliasing which i am trying to print out Code128 to a printer. As screen capture degrades the quality of the print, i had decided to write the code directly for printing instead. All images and text could be printed out properly except Code128 Below are my codes for printing Code128. The content had already been generated properly. SizeF sizeLoginID128 = e.Graphics.MeasureString(this.strUserID128, font1DText); e