Questions tagged as 'imagem'

Tagged questions
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QVector for QImage

I have to transform a QVector 2d into a QImage to display the image in a label. The QVector in this case is an array of integers with value from 0 to 255 representing an image in PGM or PPM, this vector makes grayscale or RG...
asked by 03.04.2014 / 02:34
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Macro to automatically fetch images and play in excel

Good afternoon, I have a spreadsheet, where I need to automatically include images. I would like to know if there is any way to create a macro, where you merge the Reference and the color (reference & color) and search in a certain folder the...
asked by 10.04.2018 / 19:48
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Send and receive image via WebService

I'm developing an app where I need to convert an image to JSON and send it to a WebService. Afterwards I will need to perform the inverse path, that is, receive a JSON image from a WebService and present it to the application user. Well, to s...
asked by 20.05.2014 / 06:41
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Apply a transform with perspective

I would like to make the selection by perspective in a imageview . Where I select the 4 corners of the image and I make the cut, following this idea: Isearchedalldayandfoundlittle,foundthis link with the solution, only for ios :...
asked by 20.06.2016 / 22:57
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How to invert (mirror / flip) an image

Well, I need to invert a preference image if possible with CSS. I do not know if that is possible. I wanted to stick the arrow pointing to the left. Thanks     
asked by 31.03.2017 / 11:17
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How to center a rectangular image in a square div

When I try to place a rectangular image inside a square div, the image is trimmed evenly, as it cuts only one side. When I mean to center the image I mean distribute the image equally to both sides and cut equal pieces of the image to form the s...
asked by 02.08.2014 / 20:57
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Change banner according to screen size?

For the best performance in load time of my site I wanted to make the incoming page banner smarter. For screens up to 1600px would have to be loaded with a simpler, lower quality and smaller side banner, since it does not have to be bigger,...
asked by 10.04.2015 / 16:04
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Image "run / fly" through the Site

Can I make a "Fly" or "Run" Image Alone on my site? I would like to put on my site a kind of "Puzzle", a Mystery. I want to put a link in the Image. It has to be a little quick to click. Do you know the Twitter Bird that flies through the Blo...
asked by 08.05.2015 / 05:32
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How to read the width and height of a physical image-type file?

How to get width and height of a physical image file?     
asked by 21.01.2015 / 15:01
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Editing images using OpenCV without ready functions

I have the following image shown below and I need to turn it gray and then binarize it. Iusethefollowingcodetoshowitonthescreencv::Matimg=cv::imread("lena.jpg");// Lê a imagem no local onde ela é gerada(matriz) cv::namedWindow("RGB"); cv::im...
asked by 24.08.2015 / 23:41