Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. With the help of stackoverflow i got me a simple canvas signature directive. The problem is that it works with mouse events mousedown, mouseup, mousemove but is not working with touch events touchstart,touchmove,touchend.
I have ngTouch in my main app module and in the module that holds the directive. I hope you can help me. Here's the code:. If someone will need a simple signature directive for AngularJS this is what I came up with in the end:. Learn more.
Asked 6 years, 1 month ago. Active 6 years, 1 month ago. Viewed 6k times. Zoneh Zoneh 3 3 silver badges 19 19 bronze badges. This is ment for simple signatures.
I need touch events so i can draw on the canvas. The above code works with mouse events drawing works on desktop but not with touch events. The trouble has to be with drawing. But what? When i use mouse events everything works perfectly. Is offsetx propertie added differently for touchevents? Active Oldest Votes.
Does anyone know of a tutorial I could use or could give me basic directions how would I do this, what elements do i need I'd really appriciate it!
But it doesn't work. Can anyone indentifiy why? I have a directive that i inject into html as an element. Console is not returning any exceptions. Take a look at the canvas element.
Angular Signature Pad
You can directly manipulate the pixel data and draw primitive shapes with a canvas and as a HTML element, it supports all of the mouse manipulation events that you will need out of the box.
This is a pretty primitive way of doing it, using the fillRect method to simulate pixels. If you wanted to look at heavier solutions, you could try doing something with click points and bezier curves. If you're using Angular, then you'll almost certainly want to wrap this up in a directive as well. First off, you're using a strange mix of jQuery and plain js. All of the lines that look like this, won't work.
Read up on canvas. What browser support are you expecting?Episode #044 - Capturing Signatures with Signature Pad
Second Rikudo: I'm expecting it to work on cordova,chrome,firefox.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.
If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. This means you must execute the exposed functions from your own buttons, events etc See the Hosted Example to see this in action.
For more details regarding Canvas elements, see Sizing The Canvas. The displayed size of the canvas can be changed using a stylesheet. The image is scaled during rendering to fit the styled size. If your renderings seem distorted, try specifying your width and height attributes explicitly in the attributes, and not using CSS. If you would like the background of the canvas to be something other than transparent, use CSS to change the background instead of setting the options.
Create Signature Pad Using AngularJS
Dirty checking the scope for property changes is a common operation in Angular and for this reason the dirty checking function must be efficient.
Ionic 3 and Angular 4: Working with Signature Pad.
Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit 1f4c76b May 9, You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Updated dependencies.Comment 0. In one of our projects, we needed to add the possibility to add signatures to PDF documents. A technician fills out a checklist online and a responsible person and the technician need to sign the checklist afterward.
The signatures then get embedded into a generated PDF document together with the results of the checklist. The signatures must be created on a web UI, running on an iPad Pro. It was pretty clear that we needed to use the HTML5 canvas element and to capture the pointer movements.
Using Signature Pad is really easy and works well without any configuration. Let me show you in a quick way how it works. To play around with it, I created a new ASP. I created a simple form and placed some elements in it:. We will have a look later on. The canvas is the most important thing. This is the area where the signature gets drawn. I added a border to make the pad boundaries visible on the screen.
I add a button to accept the signature. I also added a second button to submit the form. The image is just to validate the signature and is not really needed, but I was curious about how it looks in an image tag.
So after the comma, the image is a base 64 encoded string. The data before the comma describes the image type and the encoding. I now send the complete data URL to the server and we need to decode the string. Inside we first check whether the bound property has a value or not.
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Ionic 3 and Angular 4: Working with Signature Pad.
Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am trying to add a signature pad to one of my Angular 4. X application so that I can allow users to sign using touch input. For that I am using the angular2-signature-pad package downloaded from the npm. I want to use the signature pad as one of my form control so that I can get the value of the signature field when the form is submitted alongwith other form controls of my form.
All other fields are working fine but when I am assigning a formcontrol name to signature pad, it throws the following error. I have created a plunker for the issue. The reason I need it as a form control because I want to save the signature so that when I wish display the form somewhere I shall easily fetch the signature value and assign it back to the formcontrol.
Any help would be highly appreciated. Any help would be appreciated. Learn more. Angular 2 Signature Pad Ask Question. Asked 2 years, 6 months ago. Active 1 year ago. Viewed 2k times. No value accessor for form control with name: 'Signature' I have created a plunker for the issue. Amit Anand. Amit Anand Amit Anand 1 1 gold badge 8 8 silver badges 21 21 bronze badges. Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook.
Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. The Overflow How many jobs can be done at home? Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap.Any Solution??? When I try this. Do you know what might cause it? Not worked for me i got error : core. If 'signature-pad' is an Angular component and it has 'options' input, then verify that it is part of this module.
Blocked scrolling. Please disable your ad blocker for 9lessons. This tutorial explains how to upgrade to Ionic 3 and Angular 4 and how to use signature pad for your application.
If you are working with some agreement related project or something which needs some written proof from the customers, we might in need of a signature pad. The combination of Ionic 3 and Angular 4 provides some better features to achieve signature pad.
Using this tutorial, you can also make a signature pad with Ionic 2 and Angular 3. Why late? Wednesday, April 19, Sandeep April 23, at AM. Unknown June 9, at AM.
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Capture Signature.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Is very welcome! And remember, contribution is not only PRs and code, but any help with docs or helping other developers to solve issues are very appreciated!
Thanks in advance! Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Signature pad component for Angular 2.
TypeScript Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit Fetching latest commit….
Installation instructions Install angular2-signature-pad from npm : npm install angular2-signature-pad --save.
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Mar 29, Initial commit.