Eyedropper | Eyedropper can pick up a color | Runtime Evironment library
kandi X-RAY | Eyedropper Summary
kandi X-RAY | Eyedropper Summary
Eyedropper can pick up a color from anywhere in your application. Zoom in to see every pixel of color to choose from.
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Eyedropper Examples and Code Snippets
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Trending Discussions on Eyedropper
QUESTION
I'm making an "eyedropper" tool that will let you select/see a colour under your mouse cursor wherever it is on the screen. I wanted to display colour information on a window, and have the WPF window follow the cursor around as you move it.
The colour part is fine. I'm actually having the most trouble with just getting the window to follow the cursor around. The mouse data is completely incorrect.
The same code in Winforms works flawlessly.
I have tried adding app.manifests to both to make each project DPI aware. This seems to have no effect on the WPF project.
Using .NET 5 and C#. Currently testing on a 4k monitor scaled 150%.
Here's my code:
...ANSWER
Answered 2021-Jun-23 at 15:22Check this thread:
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
If you opt for manual check of the scaling factor, you can query the display transformation matrix:
QUESTION
I'm brand new to JavaScript, trying to add a simple event listener, to console.log a chosen color value from an input that the script appends to a div on page-load.
HTML:
...ANSWER
Answered 2020-Dec-03 at 04:13In eventListener declarations, javascript expects either just the function name or an anonymous function. .addEventListener("change", myFunction(e));
is not valid. In addition, you should use the full myFunction(event)
rather than just myFunction(e)
. Instead you should do:
QUESTION
I have UITextView implemented by UIViewRepresentable.
...ANSWER
Answered 2020-Nov-28 at 07:13You need to make ˋCustomTextViewˋ to listen to changes of ˋTmpTextViewModelˋ.
Just declare ˋtmpTextVMˋ in ˋCustomTextViewˋ as ˋ@ObservedOjectˋ.
QUESTION
I've seen a few posts on this topic, but I haven't seen one that would help my cause. I have a topographical map image, with color from white to black, which is 0 meters to 1000 meters respectively. They have all the colors in between, like purple, blue, green, etc. How can I get the color of wherever the mouse is, and then show what the height is? Any suggestions help!
Here's a link to what I've tried. I have tried most of these on that post, but either they don't work for me, or I am doing them wrong. JavaScript eyedropper (tell color of pixel under mouse cursor)
...ANSWER
Answered 2020-Oct-21 at 12:37Here's a working example using a canvas.
QUESTION
I have a menu array called "items". It has submenus.
I need to filter the items with property "visible" equal 1. I don't know at run time how deep the hierarchy will be. I need a function returning a new array, with the next conditions:
- Every non-matching object with no children, or no matches in children hierarchy, should not exist in output object
- Every object with a descendant that contains a matching object, should remain
- Only descendants with matching objects should remain
My question is similar to this post Recursively filter array of objects.
But it does not work to me. I have used the following function, but it´s not working:
...ANSWER
Answered 2020-Sep-08 at 15:02Here's a recursive filter based on a recursive visibility check. This version preserves the nested structure:
QUESTION
so, I am trying to add a random element to my site with Font Awesome icons that change on reload. I found a helpful post, here, but I can't find a way to make the code work. I am getting the console log, but no icon is displayed. I've tried assigning my an id and having the Jquery add a random class to that, but that doesn't seem to work. Any ideas?
...ANSWER
Answered 2020-Mar-06 at 21:49Your error description is not very precise, but I assume that the problem is that you are not adding the class (string), but its index.
Try replacing
QUESTION
I'm maintaining an old website and had the opportunity to touch old age HTML. So I encountered a strange behavior of the color
attribute.
In the following source code, both texts are red:
...ANSWER
Answered 2020-Feb-29 at 12:21Following the answer you linked we will have the following steps:
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