Resize image to maintain aspect ratio in Python, OpenCv
Apr 29, 2022 · Here's a script that defines a resizeAndPad() function which automatically calculates the aspect ratio, scales accordingly, and pads as necessary, and then uses it on a horizontal, vertical, and square image: import cv2. import numpy as np. def resizeAndPad(img, size, padColor=0): h, w = img.shape[:2] sh, sw = size.
ruby on rails - Background color for JPEGs while keeping …
Sep 28, 2012 · Using the -background transparent option seems to work fine for the PNGs, but adds black borders to the JPGs. Adding a -fill red option as recommended doesn't change much, and only using -background red works on the JPEGs but makes the PNG backgrounds red too. I wonder what I'm missing here.
html - black 50px shadow starting at opacity 1 and finishes with ...
Sep 30, 2017 · How can we add a black shadow to a background image, shadow starting at opacity 1 and gradually decreasing to opacity 0, on all 4 sides of the image? (At least 50 pixels worth of "decreasing shadow
ImageMagick Antia-aliasing - Stack Overflow
Nov 2, 2016 · but I get anti-aliasing (grey pixels), I have tried adding +antialias but it doesn't seem to work. Should this work? Mick. Amended after trying with scale. Here is the original image: Here is the image after. convert cp10.bmp -scale 200x200 -background white -gravity center -extent 200x200 test.bmp. imagemagick. edited Nov 3, 2016 at 8:44.
Full background Image size in browser in any resolution
Sep 4, 2014 · But this is not re-size the background when browser re-size, and one more doubt is i use the background as jpg image size is 1627*768 . is that the right size. I want to show vector type drawings as my background, so want to get maximum quality in less size. Guide me. Thanks
html - Generate random image by url - Stack Overflow
Mar 23, 2020 · I have an API with the endpoints: api/image/1 Returns me the image 1 api/image/random Gives me a random image Whenever I make a call for a random image, like 5 times on one web page, each time it...
background images is not aligning properly - Stack Overflow
Aug 12, 2016 · So what I am trying to do is first giving a container a background image and then creating two div tag using col-md-6 of bootstrap. background image of main div is just grass texture. In the two div tag I am giving a background image of skeleton of football court.
Is there an equivalent to background-size: cover and contain for …
Jul 26, 2012 · What you could do is use the 'style' attribute to add the background image to the element, that way you will still be calling the image in the HTML but you will still be able to use the background-size: cover css behaviour:
How to center an specific (x,y) point of a background image to a ...
Apr 19, 2021 · Since you know the size of the background image (200x200), you can use half the amount of those pixel values as negative values for the background position in order to have the image's center exactly at the upper left corner of its div element. In your case, that would be background-position: -100px -100px;:
html - How can I wrap my bootstrap containers so I can have a …
Jul 6, 2014 · The basic background color will be a soilid color but I want a background image for the main content. I would like the background image to scale appropriately with the responsive aspect of the framework.