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JavaFX ImageView via FXML does not work

流过昼夜 提交于 2021-02-08 13:24:06
问题 I have a problem with loading Images with ImageView on FXML. My controller class: public class BoxViewController { @FXML private Label label_boxID; @FXML private ImageView boximage; public void initData(ObservableList<BoxProperty> observableList, BoxService sBox, TableView tableview) { this.label_boxID.setText( String.valueOf(this.boxproperty.getPboxid())); Image image = new Image("boximage.jpg"); this.boximage = new ImageView(); this.boximage.setImage(image); } } So, setting the label with a

Reading images in python using OpenCV and OS libraries

假装没事ソ 提交于 2021-02-08 11:58:50
问题 I have a folder with numerous images(about 300), I am gonna save the python file which will be splitting the images into red, green and blue channels and saving them as _red, _green, _blue, preceded by the original image name itself in a different folder. For example if the image is named "image 001", then the images obtained after the split are: "image 001_red", "image 001_green", "image 001_blue". Now, is there a way I can obtain the images one after the other using the OS library?

Get image from http GET response as base64 String

我怕爱的太早我们不能终老 提交于 2021-02-08 11:32:32
问题 When my GET request for an image returns an encoded string like ‰PNGØßn¥àí»Øèª¯ÐPÒäœ?Å'Üë²... How can I get the image as a base64 encoded String, instead of whatever encoding this is? String url = http://i.stack.imgur.com/tKsDb.png; try{ URL obj = new URL(url); HttpURLConnection con = (HttpURLConnection) obj.openConnection(); // optional default is GET con.setRequestMethod("GET"); //add request header con.setRequestProperty("User-Agent", "Mozilla/5.0"); int responseCode = con.getResponseCode(

How to extract image bytes out of PDF efficiently

℡╲_俬逩灬. 提交于 2021-02-08 11:18:27
问题 Is there a way to extract image bytes out of PDImageXObject for different image types without loading them into a BufferedImage? A 15mb TIFF file takes up 200mb in memory when loaded into BufferedImage, which I would love to avoid. I have found an example for JPG files, but I have no idea what it's doing or if it's possible to do the equivalent for other file types: PNG, GIF, TIFF etc. // I don't really understand this, but it works for JPEGs private static final List<String> PDF_JPEG_STOP

store captured image in MySQL database with Python and OpenCV

半腔热情 提交于 2021-02-08 11:10:51
问题 I have a piece of code here which captures an image from my internal webcam on my laptop. With this image, i would like to directly send it to my MySQL database. here is the code. import numpy as np import cv2 import mysql.connector from mysql.connector import errorcode from time import sleep import serial # Obtain connection string information from the portal config = { 'host':'oursystem.mysql.database.azure.com', 'user':'user', 'password':'pass', 'database':'projectdb' } try: conn = mysql

When trying to put the image/png response of an xmlHTTPRequest I am getting garbage data

懵懂的女人 提交于 2021-02-08 11:10:11
问题 I am using the below code to call a captcha generating web service. The response is fetched correctly but when trying to append the result under a div the image appears as garbage text var xmlHttp = new XMLHttpRequest(); xmlHttp.onreadystatechange = function() { if (xmlHttp.readyState == 4 && xmlHttp.status == 200) { window.alert(xmlHttp.getAllResponseHeaders()); document.getElementById("captchaDiv2").innerHTML = "<img src=\"data:image/png;base64," + xmlHttp.responseText + "\"/>"; } } xmlHttp

Pdf to image using java

帅比萌擦擦* 提交于 2021-02-08 11:09:34
问题 Good day fellow programmer. I'm new to java, and I need to create an Image from a specific part of a pdf. Currently, I'm using pdfbox. Here is my code to create an image from a pdf (it's working but it creates an image of the whole pdf page): PDDocument document = PDDocument.load(new File(PDFFILE)); PDFRenderer pdfRenderer = new PDFRenderer(document); for (int page = 0; page < document.getNumberOfPages(); ++page) { BufferedImage bim = pdfRenderer.renderImageWithDPI(page, 300, ImageType.RGB);

Pdf to image using java

非 Y 不嫁゛ 提交于 2021-02-08 11:09:01
问题 Good day fellow programmer. I'm new to java, and I need to create an Image from a specific part of a pdf. Currently, I'm using pdfbox. Here is my code to create an image from a pdf (it's working but it creates an image of the whole pdf page): PDDocument document = PDDocument.load(new File(PDFFILE)); PDFRenderer pdfRenderer = new PDFRenderer(document); for (int page = 0; page < document.getNumberOfPages(); ++page) { BufferedImage bim = pdfRenderer.renderImageWithDPI(page, 300, ImageType.RGB);

Pdf to image using java

别来无恙 提交于 2021-02-08 11:07:26
问题 Good day fellow programmer. I'm new to java, and I need to create an Image from a specific part of a pdf. Currently, I'm using pdfbox. Here is my code to create an image from a pdf (it's working but it creates an image of the whole pdf page): PDDocument document = PDDocument.load(new File(PDFFILE)); PDFRenderer pdfRenderer = new PDFRenderer(document); for (int page = 0; page < document.getNumberOfPages(); ++page) { BufferedImage bim = pdfRenderer.renderImageWithDPI(page, 300, ImageType.RGB);

Swift: how to display image from html source

二次信任 提交于 2021-02-08 10:39:05
问题 How can I display image from html source in some of sites in swift 2.2? Actually I don't have any JSON or XML. The important thing is that I have to use regex. I tried this: if htmlContent != nil { let htmlContent = (item?.htmlContent)! as NSString var imageSource = "" let rangeOfString = NSMakeRange(0, htmlContent.length) let regex = try! NSRegularExpression(pattern: "(<img.*?src=\")(.*?)(\".*?>)", options: [.CaseInsensitive]) if htmlContent.length > 0 { let match = regex.firstMatchInString