barcode

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . Is there a decent free API/component for printing barcodes in C#? 回答1: Could the Barcode Rendering Framework at Codeplex GitHub be of help? 回答2: I do recommend BarcodeLibrary Here is a small piece of code of how to use it. BarcodeLib.Barcode barcode = new BarcodeLib.Barcode() { IncludeLabel = true, Alignment =

问题 I am using this code to generate barcode128 : String stb1 = "123456789"; code128.setCode(stb1); //code128.setCodeType(Barcode128.CODE128_UCC); //code128.setCode("1234567890"); code128.setStartStopText(true); Image image128 = code128.createImageWithBarcode(cbd, null, Color.white); image128.setAbsolutePosition(20 + x, 626 + y); image128.scaleAbsolute(109, 33); document.add(image128); My client want the barcode 128 type B. How to set it to type B? I tried CODE128_UCC , CODE128_RAW , CODE128 in

问题 My requirements ask for generating pdf documents that contain both arbitrary text and barcodes. I have related question that addresses pdf generation part, but here I'd like to know about how to incorporate barcode in pdf in Java. So far, I've found clear explanation on how barcode4j does it with Apache FOP: Instructions for the Apache FOP extension But it looks that XSL-FO is not primary option for my requirements as I prefer to go with pdf forms (using iText or PDFBox or similar). Again,

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . Is there a barcode scanner SDK that works with iPad 2? I've tried RedLaser 3.0 (I have an account through them) and they don't have

问题 I am generating a barcode as an image. The barcode consists of few different values, such as amount, length, width and m2. These numbers are displaying below the barcode as a summary of all user entries. Is there a way to either bold or underline the m2 (square meters) in the summary under the barcode? Please see below sample of what is needed: Here's the code I use to generate the barcode: private void generate_Click(object sender, EventArgs e) { String barcode = summary.Text; Bitmap bitmap

问题 i am in trouble with generating a barcode in pdf. i am using itextsharp to generate pdf and i have number from database togenerate this and i am not familiar with barcodes...please help me to generate the barcode..... i used thefollowing code.. HttpContext.Current.Response.ContentType = "application/pdf" HttpContext.Current.Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.pdf") HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache) Dim pdfDoc

问题 Okay, I get it, possible duplicate of Read binary QR Code with AVFoundation but I'll try to tackle this issue from a different angle. I'm trying to scan a barcode (in this case, Aztec) in my swift app. It works for barcodes that have regular string data encoded. For my app though, I need to be able to scan a certain type of barcode (read more about this on SO) that stores the data in binary format. Sadly, stringValue of AVMetadataMachineReadableCodeObject is (per Apple's docs) The value of

问题 I am using zxing in my android application to read QR_CODE and Barcodes. My application is unable to read the CODE_39 using zxing. I am using the following code in CaptureActivity OnResume Method: Intent intent = getIntent(); String action = intent == null ? null : intent.getAction(); String dataString = intent == null ? null : intent.getDataString(); if (intent != null && action != null) { if (action.equals(Intents.Scan.ACTION)) { //Scan the formats the intent requested, and return the /

问题 Was anybody able to read the PDF417 barcode with use of the ZXing library on the Android OS? They are supporting this - and according to their page it is in 'alpha' stage. We are not looking for perfect solution - since the PDF417 is pretty complex and needs a very good camera with auto-focus, we can accept that it will be working only on few pre-selected high end devices. We have tried also the Barcode Scanner + available on the Android Market - it has the PDF417 option in the settings, but

问题 How to write the code to apply the formula to the image and the result is low-pass filtered. The red region is the highest intensity which corresponds to the barcode. Formula: Original image: Processed Image: edited How to plotting the points?? edited Plotting the Points: 回答1: I tend to agree with nikie that you should be working from a book if you are at this basic level, but here is an answer anyway. I = imread('your_image'); # convert I to grayscale double as appropriate using rgb2gray(),