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I am working on a project where I had received all the designs in Adobe Xd format. I usually work on the backend part and database and server deployment. But here I need to work on the design part too.

I used adobe Xd webexport plugin and converted the design into html format. But real problems arise on the responsive part for mobile and tablet.

What is the quick solution for me to responsive those html pages?

here is the code of the sample html that I received after converting using webexport in adobe Xd. Really appreciate some thoughts on this matter.

HTML

I need to be able to use loadFromJSON with canvas resolutions/aspect ratios other than the one that the JSON data was generated at, while maintaining the relationships of the graphic elements and centering everything within the canvas.

I have tried every solution I've seen or have come up with. At this point I don't know if it is my logic that is bad, my arithmetic or my coding.

Functional code is included here (stripped of my failed "attempts"). Only the first function matters – the rest is UI boilerplate and JSON data. Here's a JS Fiddle if that is easier: https://jsfiddle.net/sunny001/a8thqd0z/24/

Details: I save the JSON data with custom width and height properties so that I know the resolution/aspect ratio the data was created at. I then use those properties to determine how to scale things. The canvas is always set to the size of the window, which can vary. I've seen some solutions which use the canvas "zoom" property but I can't do that because the app allows the user to zoom in on the documents they are annotating.

Background This is for a desktop electron app where the user can annotate text documents, so accurate positioning matters. The user can create and present the annotations in a window mode or full screen.

My problem is that i can't get my textfields with document.getContent() and document.getContents(). So I tried to use XPath for selecting the objects, it works but i can't copy the object and add it again.

For example:

I also tried to make a own object but this also don't worked for me, because it wasn't accepted as an JAXB Object.

This is my code:

In order to draw, for instance, roads or walls, we know how to calculate a miter join on 2 connecting lines, resulting in something like this

But is there an algorithm to efficiently calculate points for a nice join when 3 or more lines connect to the same point, like this

The input is a list of segments

NB: The ultimate goal is to triangulate this

I am trying to create a custom control called PieceImage that contains one of several predefined Canvas elements. I have defined these Canvases in a ResourceDictionary called PieceImageDictionary.xaml. I have set up some dependency properties in PieceImage, Color1 and Color2, that I'd like to bind to the Fill and Stroke of the paths in the Canvases. I have a pretty good understanding of custom controls and simple databinding but styles are a little confusing to me.

So basically I have a ResourceDictionary with Canvases that I am treating as images and I want be able to have multiple PieceImage Control instances that can each choose one of these images independently (not a global style) and I want to be able to set the colors using a DependencyProperty on the PieceImage Controls.

I have tried wrapping my Canvases in ControlTemplates but for whatever reason "Canvas" is not a valid TargetType.

I got it to apply this template if I set the TargetType to "Control" however when I tried adding TemplateBinding to the Paths, the Property I wanted to set (Color1) couldn't be found. I kind of understand this because the Color1 property is in my PieceImage control, so TemplateBinding to a Control or even a Canvas won't work.

I then tried RelativeBinding with an AncestorType of "PieceImage" but this doesn't work either. No error, just a blank Canvas. I've tried calling UpdateLayout() and InvalidateVisual() on the Canvas just in case but no change.

I tried using a XamlReader and Writer to create these canvases instead of using templates, which initially worked when I statically defined the colors but when I tried to add the RelativeBinding I got a Xaml Parse Error saying it couldnt create the type from the string "local:PieceImage"

I tried adding a binding in the code but also got a blank Canvas. I will admit I don't know much about coding bindings, this was my implementation:

i have been trying to use the Chart.js in Ionic 5 by looking this tutorial (https://ichi.pro/es/ionic-5-charts-graphs-usando-la-biblioteca-chartjs-102145521332905) But I get this error:

The code is almost identical except for the file names. Don't really understand why it happens, any help is welcome.

I'm working w/ fabricJS and custom classes.

I'm having issues w/ canvas.loadFromJSON() so I took a basic MRE from another question to figure out what's wrong with my custom fabric classes. The example in the question works fine, but it creates a class based on fabric.Rect.

I need a custom class based on fabric.Polyline. I modified the code a bit and got this :

why doesn't the arrow start along with the line? Is it not synchronized? I would like the arrow to leave together with the line.

This is my current code for line chart and it shows the normal chart but I want color shadow below the line. I have added the image of the same way I want to make it.

enter image description here