Most voted "pixels" questions
13 questions
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13
votes2
answers431
viewsWhat is the difference between "Css Resolution" and "Pixel Resolution"
I wonder why a @media(max-width: 400px) is applied on a cell phone that has 1440px/2960px? How it really works ? I found a website with this information, that the mobile has 1440x2960 but the…
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answer122
viewsHow to avoid distortion of pixels in HTML elements in various screen/screen settings?
I noticed in a simple situation that elements with pixel are not always rendered as you imagine, a simple example is when one adjusts the browser zoom to more or less than 100%, making it appear…
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answer1039
viewsC++ - Convert Mat to Opencv integer array?
I’m doing an image manipulation project using the Opencv. I need to analyze the values of pixels of a "binarized" image, for this I am trying to convert my Mat file image to a array of integers,…
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answer76
viewsHow to get pixel color played on screen on Android? (Without using images)
I’m developing an application for calligraphy and what I’m looking for is the following: I intend to, using a TextView, put the letters on the screen and want to detect if the user is touching the…
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answers47
viewsPixel breaking creating false edge
I don’t know how to explain this situation. I created a tooltip using both CSS3 and HTML5 only. In normal size (100% zoom), on the left, the elements are blurred and it appears that there is an edge…
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answer170
viewsDo em and rem use html or body tags as a reference?
Reading about, I saw places saying that measures In and Rem use the tag html as other reference saying it is the tag body, but what really is the tag that is used as reference?…
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answer331
viewsHow to get a pixel color out of the screen limit in pygame?
I know to get a color of a pixel in Pygame I use get_at. But I have a huge background image and a lot of it is outside the screen area delimited by pygame. For example, a 1000x1000 image inside a…
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answer413
viewsHow to calculate blobs in C?
How can I calculate a pixel zone in C? The pixels, R G B are given from a file. The user has to insert an R, G and B and a deviation as it is in the function to calculate zones. From that, you’re…
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answer127
viewsError Read access violation in visual studio function
Good morning, I have a project to do, it is almost done, but now I have created two functions that give me reading access violation error, and I am not able to solve the problem, someone can help?…
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answer37
viewsPass RGB pixels from a file to C Structure
Good afternoon, I’m doing a project on the Data Structure chair and I have this file, with multiple RGB pixels. I would like to read the file and pass the values to a structure, where each pixel had…
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answer60
viewsHow to know the intensity of pixels in a given row or column of a cv::Mat?? [opencv][c++]
I have a project where there is a need to analyze the intensity of the pixels of a certain column or row, that is, my function will be Intensity(cv::Mat m, int ref, Std::string "lico") with a…
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answer169
viewsPixel size of a Python String
I would like to know how to make a code in Python that checks the size of a string (in pixels). Guess: we have a string 'ALCON BOTTON FISH 50G' I would like to know what its pixel size to center in…
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answer83
viewsGet the size of a div in pixels
I want to make a grid of images where they fit. I had already done the Divs grid and just wanted to put the background of an image, but when I try the images are wrong. How do I get the pixel value…