Questions tagged as 'imagem'

Tagged questions
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File Upload with FormData without input file

I'm working with the cordova, and it does not support the input file of the html. I would like to know if some way to send an image of the file by the formData method of ajax. I tried to send the image as Blob to my database, but I can not br...
asked by 15.04.2018 / 19:57
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Insert image into database

I am trying to insert an image into the database and it is not working. Can you help? Image Insertion Page Code: <form action="registo_produtos.php" method="post" enctype="multipart/form-data"> <label>Nome Produto : <...
asked by 18.06.2018 / 12:42
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Return Image Json Database

Initially for clarification, I'm trying to create a hybrid html, javascript and css app. Objectively, my obstacle is to display on the user's screen your avatar, which is in a directory of the Mysql database on my computer. I can send the...
asked by 06.04.2018 / 22:47
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Convert image to webp in a client side way?

My site has a page to receive images from users, when receiving these images my system is converting them to the server-side webp format. However, I thought of optimizing the upload process by doing client-side conversion, so I wanted to speed u...
asked by 21.03.2018 / 17:26
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Doubt php, appear image with if?

People, I have a table in SQL Server, which has the columns "pv" "pont" and "enabled" On the webpage, I will display the table as follows: Point of Sale | 0 - 1000 | 1000 - 2000 | 2000 - 3000 | 3000 - 4000 Then, I need to configure t...
asked by 26.02.2018 / 23:59
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Display loading image while switching img src attribute using angular 2+

I'm starting to use angled 2+ and I'm having a little problem In an application that I'm developing I'm changing the atirbuto src of the image by a variable that controls the url of the image q should be displayed I would like to display a...
asked by 04.03.2018 / 20:33
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PDF to PNG using php and imagick

I'm trying the best way, via the web, to load a PDF (Large and high quality file) and transform it into an image, which will be displayed in an APP, that is, it has quality but can not be "heavy" so as not to damage the performace of the app at...
asked by 23.02.2018 / 23:21
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Css file with image inside

Person I am trying to set an image inside the css, for this I am using: body { margin: 0px; padding: 0px; background: #C0C4C5 url(images/page-body-bg.png) repeat; font-family: "Trebuchet MS", Arial, Helvetica, sans-serif; f...
asked by 22.02.2018 / 21:45
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How to upload an image to a file using JSP

Hello, how are you? I already apologize for the language, because I live in Uruguay. I would like to know how and what Java objects (specifically JSP) can I use to upload an image to a file on my Windows? I have a field <input type="fil...
asked by 22.02.2018 / 18:01
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How to convert image from gray to RGB?

Converting an image into RGB to grayscale is relatively easy, just do a linear (or average) combination of the 3 channels. For example: Gray = 0.3*R +0.59*G +0.11*B By the above expression you get a matrix in shades of gray. My question...
asked by 13.02.2018 / 17:39