pixel Questions
44
Solved
I created some custom elements, and I want to programmatically place them to the upper right corner (n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen...
Villenage asked 19/6, 2009 at 8:25
4
Solved
Microsoft uses dialog length units (DLU) in their guidelines for UI. How can I convert them into pixels?
As I know, DLU depending on system font size. Can you advise some simple method of such co...
Launcher asked 29/7, 2011 at 8:25
11
I want to know how to loop through all pixels of an image. I tried this:
import cv2
import numpy as np
x = np.random.randint(0,5,(500,500))
img = cv2.imread('D:\Project\Capture1.jpg',0)
p = img.s...
Tryptophan asked 11/3, 2015 at 8:12
3
Solved
There is this image comparison code I am supposed to modify to highlight/point out the difference between two images. Is there a way to modify this code so as to highlight the differences in images...
Smelly asked 29/7, 2014 at 18:34
4
Solved
So I'm slightly embarrassed to ask this because it seems so rudimentary but ever since beginning iOS development (about a year of self/internet teaching), when not using storyboards, I have relied ...
Branum asked 22/11, 2015 at 0:13
10
Solved
I would like to fade the color of a pixel out toward white, but obviously maintain the same color. If I have a pixel (200,120,40), will adding 10 to each value to make (210,130,50) make it the same...
Vaientina asked 18/1, 2015 at 22:12
2
Solved
I was wondering how to draw on the fly pixel by pixel in XNA/MonoGame and could only find this. Problem is, the question wasn't centered about how to actually draw pixel by pixel but rather manage ...
1
I have created Facebook pixels, which connected well. When I run a debug tool, it selects sample items and lists them but once I try connecting the catalog to the pixel, it shows that the pixel is ...
Blackdamp asked 25/8, 2021 at 9:28
35
I have created my application with the height and width given in pixels for a Pantech device whose resolution is 480x800.
I need to convert height and width for a G1 device.
I thought converting i...
Marcellamarcelle asked 5/1, 2011 at 15:4
6
Solved
I know this is a common question and there are a lot of answers of this question. I've used some of this. Although many of them are the same. But the sad thing for me is that none of them worked fo...
2
Solved
I am getting sick trying to adapt my app to a certain tablet dimensions using flutter.
The tablet is a Samsung Galaxy Tab S5e with screen of 2560x1600.
When I make flutter return the screen dimen...
Cuirass asked 16/7, 2019 at 7:39
2
Can someone suggest me a fast method or a library for color splash effect? For example, I select a color and a photo gets desaturated for all colors except that one I have picked.
I have tried usi...
Accrue asked 29/3, 2018 at 6:57
3
Solved
I got the designs for a new app. All the dimensions are Android-ready and are given in DP - (Density-independent Pixels). How can I convert these values to Flutter's LP (Logical Pixels).
I know th...
Dilatant asked 6/3, 2019 at 22:1
6
Solved
I was reading dp, dip, px, sp measurements, but I still have some questions about dp/dpi vs ppi vs px vs inch. I am not able to compare them... is an inch the largest?
They say 160 dpi means 160 ...
Jakie asked 12/12, 2011 at 18:15
2
Here is my code snippets. It prints the means and the standard deviations from the image pixels.
from numpy import asarray
from PIL import Image
import os
os.chdir("../images")
image = Image.op...
Breakneck asked 13/2, 2020 at 2:38
7
Solved
Does setWidth(int pixels) use device independent pixel or physical pixel as unit?
For example, does setWidth(100) set the a view's width to 100 dips or 100 pxs?
Thanks.
Ischium asked 9/3, 2010 at 3:29
2
Preambule
When trying to position a UserForm at a particular Pixel position (stored in a POINTAPI Type structure), one must convert the Pixel coordinates to Point coordinates to be able to set the...
1
I am trying to iterate through every pixel coordinate, starting at (0, 0), in order to fuse two pixelated shapes at the closest offset where they don't overlap.
Until now, I was using concentric sq...
4
Solved
BOUNTY UPDATE
Following Denis's link, this is how to use the threeblindmiceandamonkey code:
// the destination rect is our 'in' quad
int dw = 300, dh = 250;
double in[4][4] = {{0,0},{dw,0},{dw,...
Vizard asked 7/6, 2010 at 18:57
6
Okay, I am looking for a function or something that will read the color of a certain pixel on my monitor, and when that color is detected, another function will be enabled. I figure using RGB. All ...
2
Solved
img = cv2.imread('example.jpg')
img_hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
# lower mask (0-10)
lower_red = np.array([0, 50, 50])
upper_red = np.array([10, 255, 255]
mask0 = cv2.inRange(img_hsv,...
6
Solved
I have to count all the values in a matrix (2-d array) that are less than 200.
The code I wrote down for this is:
za=0
p31 = numpy.asarray(o31)
for i in range(o31.size[0]):
for j in range(o32.s...
3
Solved
For a project, I need to know the current size (in pixels) of my matplotlib figure, but I can't find how to do this.
Does anyone know how to do this ?
Handsel asked 17/4, 2015 at 14:45
4
Solved
I want to convert dp to px in my C# code in xamarin.android, but all I could find were java codes in android studio that have some problems in xamarin. I tried to use equivalent like using Resource...
Pavia asked 26/11, 2016 at 14:9
3
Solved
Let's say I have the string "Hello". This string is obviously five characters in length, but what is its length in pixels? Is there an easy way to determine this length in JavaScript? I have though...
Brusa asked 5/2, 2011 at 23:27
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