brush | emmit evenly spaced brush stroke event , can use | Graphics library
kandi X-RAY | brush Summary
kandi X-RAY | brush Summary
emmit evenly spaced brush stroke event. based on , croquis.js closely bind with canvas2d, but I want to use brush in webgl, so I extracted and modified it.
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Top functions reviewed by kandi - BETA
- Clazz object .
- Push a dirty rectangle at a given index
- Move the camera up .
- Synchronously changes the size of the canvas to redraw an image .
- Pushes a undo layer at a given index .
- Updates the pointer position .
- Pushes all image data from scratch .
- Draw a point
- Push a given layer back to the undo .
- Pushes undo functions .
brush Key Features
brush Examples and Code Snippets
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Trending Discussions on brush
QUESTION
I'm trying to create a button where it has brush strokes at the start and end. The brush strokes are SVG files and so I thought about using before and after but I can't get the SVG's to be placed before the container of the button
...ANSWER
Answered 2022-Apr-04 at 13:56Hopefully you can go from here:
QUESTION
ANSWER
Answered 2022-Feb-16 at 20:55Yes, you can show a tooltip for your nodes that you have drawn on the drawing surface. To do so, you need to do the followings:
- Implement hit-testing for your node, so you can get the node under the mouse position.
- Create a timer and In mouse move event handler of the drawing surface, do hit-testing to find the hot item. If the hot node is not same as the current hot node, you stop the timer, otherwise, if there's a new hot item you start the timer.
- In the timer tick event handler, check if there's a hot item, show the tooltip and stop the time.
- In the mouse leave event of the drawing surface, stop the timer.
And here is the result, which shows tooltip for some points in a drawing:
The above algorithm, is being used in internal logic of ToolStrip control to show tooltip for the tool strip items (which are not control). So without wasting a lot of windows handle, and using a single parent control and a single tooltip, you can show tooltip for as many nodes as you want.
Code Example - Show Tooltip for some points in a drawing
Here is the drawing surface:
QUESTION
After multiple hours, google searches and trying to go back to previous code I can't get this weird Exception out of the way. So I'm open for any suggestion.
I did an update to an existing ClickOnce-Deployment Project of mine and in Debug everything works totally fine. After finishing the update I wanted to test the application in my own network as it is a multi-user app. Turns out I must've destroyed something along the way and because I didn't back-up the old code I can't do a rollback.
I added an Exception-catching code in the App.xaml.cs to write into a log, so if the users get an exception I can check the logs and act accordingly. This is where following log comes from:
Zeilennummer "8" und Zeilenposition "9" von "Durch den Aufruf des Konstruktors für Typ "MietPlaner2020.MainWindow", der den angegebenen Bindungseinschränkungen entspricht, wurde eine Ausnahme ausgelöst.". bei System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) bei System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) bei System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) bei System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) bei System.Windows.Application.LoadBamlStreamWithSyncInfo(Stream stream, ParserContext pc) bei System.Windows.Application.DoStartup() bei System.Windows.Application.<.ctor>b__1_0(Object unused) bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
On my google searches I found this translation into english:
The invocation of the constructor on type 'TestWPF.MainWindow' that matches the specified binding constraints threw an exception.
The code of the MainWindow-Constructor looks like that
...ANSWER
Answered 2022-Feb-14 at 20:34Solution here: How to Publish a Winforms App with SQLite using ClickOnce
Short Explanation: Getting SQLite via Nuget won't add the SQLite.Interop.dll into the ClickOnce Deployment. You need to add those by hand. On how you can do that, follow the link.
QUESTION
I've been having a problem with updating a picture in python using Tkinter. This program is creating a QR code and is displaying it on the window. I have no idea how to update it when it changes, the file name stays the same it just changes. This is what activates the creation of a QR code
...ANSWER
Answered 2022-Feb-10 at 18:21You should create the label with the qr code once, and then update the label whenever you create the new qr code. Here's an example based off of your code:
QUESTION
I'm trying to match all the quotes in the following example e-mail message:
...ANSWER
Answered 2022-Jan-30 at 00:49My idea is to split the string based on the line breaks. maybe this will help you?
QUESTION
I am trying to update ProgressBar.Value in FsXaml. In C#, I used the below-mentioned code. I haven't tried to implement the C# approach in F# as using a public field (myCaller) does not seem to me as being a functional approach (let alone the fact that I do not know if it is at all possible to use this C# approach in F#).
...ANSWER
Answered 2022-Jan-15 at 19:18This answer explains how, in Elmish.WPF, progress updates to the user interface can be done from an async.
I have created an example on GitHub that demoes this. The example also demoes another way to call async functions and receive results. And it also demoes how to use mkProgram instead of mkSimple. The demo can be used as a starting template for your Elmish.WPF applications.
This snippet from the demo show the essential code involved in updating a user interface from an async.
Both techniques are based on code from the Elmish Book. You will find a lot of code there that is useful also in Elmish.WPF.
I haven't tried to update a progress bar here, only a status text box, but from this you'll very easily figure out what to do to update anything.
QUESTION
I'm using this function to generate a simple gradient bitmap using LinearGradientBrush which I save as a file in the end to use as a wallpaper. But the the problem is the result doesn't look "smooth", it looks rather "choppy" as you can see the colors' lines.
I use the bounds of the screen as the dimensions of the bitmap and increasing the size doesn't improve the quality (I tried 2x and even 4x).
I tried setting the InterpolationMode and SmoothingMode but neither seemed to have an effect on the end result.
Is there a way to fix this issue?
...ANSWER
Answered 2022-Jan-13 at 14:42The issue is with the RandomShade() method. By generating a shade using the alpha channel, the gradient is also interpolating this channel.
I think an approach that would yield better results is darkening or lightening the color randomly using the other three (color) channels instead, and keep the alpha constant. In other words, vary the brightness of the colors only.
For example:
QUESTION
This is my first stack overflow question, so if I am presenting something wrong, please let me know. I am pretty new to computer programming, so I just have a small webpage where I am just implementing things that I am learning.
I made a little quiz with random trivia multiple choice questions you can take if you press a button. I am using window prompts to ask the questions and get the answers, and I have all of the questions and answers stored as objects with question/prompt and answer pairs. All of those objects are stored in an array in a variable called shortQuizPrompts. I already have the quiz working and everything, aka., It tells you after every question if you got the answer to that question right or wrong, and it gives you a grade afterwards... I also have it set up so that if you enter an answer that is not "a", "b", "c", or "d", it lets you know that it isnt a valid answer. Those sorts of things.
As of right now, you can choose how many questions long you want the quiz to be out of the 24 total questions I have so far. It just asks the questions in the order that they are stored in the array. For example, you will never be asked the last question in the array if you do not choose for the quiz to be the full 24 questions long. However, I want to make the quiz ask the questions in a random order, while also removing those questions from the array as to not ask the same question multiple times.
I have tried increasing the iterator while looping through the array to a random number from 0 to the length of however many questions they chose. Then checking to see if the iterator was larger than the length of the number of questions they chose, it would decrease the iterator until it found a question that is still in the array that it could ask...
If anyone knows how to go about doing that, it would be great. Sorry for the long question btw. I am pretty new to coding, so this is probably a simple answer, but I digress. I'm pretty sure I did everything right. Thx.
...ANSWER
Answered 2022-Jan-12 at 01:03You can shuffle the shortQuizPrompts array before starting the quiz. Array shuffle details can be found in this answer.
QUESTION
For a Belgian sports community project, built in ASP.Net Core, I am dynamically rendering an image in C#. The image is based on a "base picture", in which I dynamically add Text and then return the image to the client.
It works well, and I am quite happy with the results.
However, when I compare the image that is generated client side, on my dev environment (which is MacOS), that image renders more beautiful, compared to my production environment (a Linux VM in the Azure platform).
As a comparison, you can see two pictures, and you will see the difference, when looking at the texts. The text strings look much more pixelated, in the second picture.
Is there something I can do, to avoid this? Could this be related to the (un)availability of a GPU, or something like that?
Any insights are welcome.
(I also have added the Nuget package runtime.osx.10.10-x64.CoreCompat.System.Drawing to my project, which was needed to run successfully on my MacOS)
For reference: the relevant code snippet:
...ANSWER
Answered 2021-Dec-23 at 21:38Don't use System.Drawing. Microsoft itself warns against this in the documentation. It exists in .NET Core only for compatibility
In .NET 6 and later versions, the System.Drawing.Common package, which includes this type, is only supported on Windows operating systems. Use of this type in cross-platform apps causes compile-time warnings and run-time exceptions. For more information, see System.Drawing.Common only supported on Windows.
The linked article explains what's wrong and offers several cross-platform alternatives like ImageSharp and SkiaSharp.
System.Drawing's primary job is to draw the UI on the screen anyway, not manipulate images. On Windows it's just a very thin wrapper over GDI+. The equivalent cross-platform technology is MAUI, which hasn't been released yet.
The equivalent code in ImageSharp could be:
QUESTION
After this post, where I saw how to do a clickable histogram, I was wondering if there is a way to use brushedPoints in order to get the output from the brush. I saw that I need a x-axis and y-axis. However, since ggplot2 allows me to get a histogram (with the frequency axis) and a histogram with a density curve (with the density axis), I don't know how to get this information before the plot.
Does anyone know how to calculate the density and the frequency in order to draw histograms in ggplot2? (NOTE that I don't want to use ggplot2 particular functions to get the plots, I want a data.frame with this information after drawing the plot).
The code that I use to draw a histogram with a density curve:
...ANSWER
Answered 2021-Dec-20 at 18:32If you're looking to extract count / density information from the plot, layer_data is your friend.
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