pixl | : rocket : Lightweight image processing library in C11 | Computer Vision library
kandi X-RAY | pixl Summary
kandi X-RAY | pixl Summary
pixl is a lightweight image processing library, written in C++11. The main goals of this project are ease of use and performance. Image decoding/encoding is done by third party libraries. Currently supported image formats are: png and jpeg. There are also APIs for C, Python and Go.
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pixl Key Features
pixl Examples and Code Snippets
#include
int main() {
// Resize image
auto image = pixl::read("path/to/image.png");
image->resize(256, 256);
pixl::write(image, "path/to/small_image.png");
return 0;
}
Community Discussions
Trending Discussions on pixl
QUESTION
I'm using a multi input component for capturing MFA codes. Think six identical boxes and as you type - it moves to the next one with an auto submit on completion.
We handle paste logic uniquely by filling in the code one at a time from the beginning which works really well and lets the user paste into any input field.
The issue is that when using a google keyboard (GBoard - native to Pixl phones) - the clipboard feature seems to not trigger an actual paste but instead tries to fire some sort of onChange event or series of onChange events.
So for instance if you have 123456 in your clipboard and you press the clipboard button, the change handler fires with "1" rather than an onPaste of "123456".
I was wondering if anyone had run into similar issues and how you navigated it. I've looked into the navigator.clipboard route - but this requires the user being prompted for permissions, and I would still need to uniquely identify the user keyboard since this would trigger for normal copy pastes (which work correctly)
...ANSWER
Answered 2022-Jan-12 at 16:36My coworker found out a solution to have specific handleChange behavior equal to the handlePaste behavior when e.target.value.length
is equal to the codeLength (indicating a paste from gBoard in this instance). Hope this helps anyone else who may run into this issue.
QUESTION
I am trying to make plots with datashader. the data itself is a time series of points in polar coordiantes. i managed to transform them to cartesian coordianted(to have equal spaced pixles) and i can plot them with datashader.
the point where i am stuck is that if i just plot them with line()
instead of points()
it just connects the whole dataframe as a single line. i would like to plot the data of the dataframe group per group(the groups are the names in list_of_names
) onto the canvas as lines.
data can be found here
i get this kind of image with datashader
This is a zoomed in view of the plot generated with points()
instead of line()
the goal is to produce the same plot but with connected lines instead of points
ANSWER
Answered 2021-Sep-29 at 16:10To do this, you have a couple options. One is inserting NaN rows as a breakpoint into your dataframe when using cvs.line
. You need DataShader to "pick up the pen" as it were, by inserting a row of NaNs after each group. It's not the slickest, but that's a current recommended solution.
Really simple, hacky example:
QUESTION
I am using ImageMagick to place an image on particular location on a white background canvas, can someone help me with it?
Here is what i tried so far, this would resize my image to correct resolution and put on a right size canvas.
...ANSWER
Answered 2021-Sep-09 at 07:52Reading the documentation for the geometry argument, it seems like one can use:
QUESTION
Context
I'm creating a coloring pixels game clone using canvas
I save the state of a canvas inside an array that looks like this:
ANSWER
Answered 2021-Aug-23 at 11:10Sorry guys after struggling for hours it finally clicked. The calculation I made:
QUESTION
ANSWER
Answered 2021-Feb-11 at 22:01Maybe try to wrap Column widget with SingleChildScrollView.
QUESTION
Im in python, I have a list with a length 784 (which i extracted from a 28x28 image ) and now i want to arrange it in a way i can use it in tensor-flow to be used with a trained model but the problem is that the NN needs to have a 28,28 shaped array but my current array is of shape (784,)
I tried to use some for loops for this but i have no luck in successfully creating a system to carry this out , please help
i figured out that i need to use this structure
...ANSWER
Answered 2021-Jan-12 at 14:03numpy might help you there very easily:
QUESTION
My website: https://nycphoto.pixl.work/delete/
I have a container under the Header which I want to HIDE when the Photo Booth menu is hover. You can check it here:
ID of the Photo Booth menu item: #menu-item-7912 ID of the container under the Header: #mega-menu-customized
So far I have tried the following:
...ANSWER
Answered 2020-Dec-09 at 16:04Check this example.
I am toggling hide
class on div2 on hover of div1.
QUESTION
I've been having problems trying to work out how to loop through an array of Adafruit_NeoPixel objects. But I cant for the life of me get my head aroud what is going wrong. Ive looked up this issue on google and trough both Ardrino and stack over flow ive tryed adapting the code to what ive seen other people have done (for example instead of listing the adafruit_neopixles objects in the array,create the neopixles inside the array) to get it to work and still I have no luck.
so heres an simple example: this script should make the first 6 Leds light up in green blue
...ANSWER
Answered 2020-Nov-29 at 23:20So I've fixed this issue by swapping out the adafruit liabery with fastled no more crashing or abnormal behaviour.
QUESTION
I am trying to make a tile-based 2d platformer in Python with Pygame. I've started with just creating the window and tile system. It refers to a text file, and based on each number found in the file, blits an image to the Pygame display window("2" for grass image, "1" for dirt image). When the program is executed, the tiles appear on the screen but rapidly flash and move slowly to one side. There are also gaps in between the tiles too, which I am not sure why they are there, but I want to get rid of them.
...ANSWER
Answered 2020-Sep-27 at 21:00The variable dirt_count
and grass_count
are incremented, but they are never changed back to 0. Set the variables to 0, right before the loop: grass_count = 0
grass_count = 0
. Anyway, I don't think that this will satisfy you, since the coordinate of the tile doesn't seem to depend on it's index.
Most likely the position of the tile depends on the row
an column
:
QUESTION
I am new to Flutter I have the following activity, when I click in Text Field Keyboard appears and then the warning
e.g. BOTTOM OVERFLOWED BY 84 PIXLES
also appears how can i be able to resolve this issue? when I tried SingleChildScrollView
then empty area("where there is no Widgets") of activity gone white. Is there any Widget that is missing or i made a mistake in my code?
My Activity
here is my code
...ANSWER
Answered 2020-Aug-13 at 06:57Simply add resizeToAvoidBottomInset: false
to your Scaffold
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