Search Results for "canvas" - Page 3
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Showing 127 open source projects for "canvas"
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OpenGL Canvas
An Android library that provides views using openGL canvas
android-openGL-canvas is a lightweight OpenGL rendering library for Android that emulates the Android Canvas API using OpenGL ES 2.0. It’s designed for developers who want to achieve hardware-accelerated 2D graphics on Android while maintaining the familiar Canvas drawing commands. Ideal for real-time graphics, games, or custom views, this project provides a fast and flexible alternative to Android’s software rendering without the need for a full game engine. ... -
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Smoothie Charts
Smooth JavaScript charts for realtime streaming data
...It focuses on smooth live updates instead of charts that visibly jump every time new data arrives. Developers can create a TimeSeries object, attach it to a SmoothieChart, and stream the chart into an HTML canvas element. Data points can be appended continuously, making it useful for dashboards, monitoring tools, server metrics, sensors, and other live feeds. The project includes examples, documentation, an interactive builder, and installation options through npm, Yarn, Bower, or direct JavaScript usage. Overall, it is a lightweight option for adding fluid, browser-based streaming charts. -
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Flowy
The minimal javascript library to create flowcharts
flowy is a minimal JavaScript library for building interactive flowchart-style interfaces in web applications, allowing developers to create node-based editors, automation builders, or visual programming tools with relatively little code. It provides draggable, connectable blocks (nodes) that can be placed on a canvas, connected via lines, and rearranged dynamically while preserving the underlying graph structure. The library focuses on simplicity and aesthetics, offering a clean look out of the box that can be customized with your own CSS, making it suitable for dashboards, SaaS products, or internal tools. Events emitted by flowy enable integration with your own data model, so you can sync block positions, connections, and metadata back to a database or application state. ... -
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Bot Framework Composer
Dialog creation and management for Microsoft Bot Framework Application
Bot Framework Composer is an open-source, visual authoring canvas for developers and multi-disciplinary teams to design and build conversational experiences with Language Understanding and QnA Maker, and a sophisticated composition of bot replies (Language Generation). Within this tool, you'll have everything you need to build a sophisticated conversational experience. -
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glfx.js
An image effects library for JavaScript using WebGL
glfx.js is a JavaScript image-effects library that uses WebGL to apply real-time filters and transformations directly in the browser. It exposes a simple API where images are uploaded into GPU textures, processed with shader-based filters, and rendered to a WebGL canvas. Because the work is done on the GPU, many effects that would be too slow in pure JavaScript (like complex blurs, lens effects, or tilt-shift) can run interactively, even on large images. The library is structured around three components: textures (image sources), filters (shader pipelines), and canvases (render targets), making it easy to compose multiple effects. ... -
6
Automatic Drawing Generation
A canvas library for generating technical drawings
...It is not a CAD system but a GObject-based library where a custom application can put common CAD entities such as paths, hatches and dimensions, to automatically create technical drawings. A demo application is provided in order to show the capabilities of the canvas. Although it is possible to interact with the library directly in C (that is what the adg-demo program is doing), the canvas is expected to be used from higher level languages, much in the same way as what done in the GNOME stack. Lua bindings based on LGI are already provided out of the box. The adg-lua project, downloadable from the "Files" section, provides Lua programs and demos that leverages these bindings. -
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jeelizFaceFilter
Javascript/WebGL lightweight face tracking library
This JavaScript library detects and tracks the face in real time from the camera video feed captured with WebRTC. Then it is possible to overlay 3D content for augmented reality applications. We provide various demonstrations using main WebGL 3D engines. We have included in this repository the release versions of the 3D engines to work with a determined version (they are in /libs/<name of the engine>/). This library is lightweight and it does not include any 3D engine or third-party library.... -
8
JavaScript Load Image
Load images provided as File or Blob objects or via URL
JavaScript-Load-Image is a client-side image loading and processing library that focuses on turning File/Blob objects or remote URLs into HTML <img> or <canvas> elements, optionally transformed in the process. It is often used in upload flows where images need to be previewed, resized, rotated, or cropped before being sent to a server, reducing bandwidth and improving user experience. The library can interpret image metadata, including Exif and IPTC tags, and can extract embedded thumbnails when present, which is handy for building fast image pickers or galleries. ... -
9
Awfice
The world smallest office suite
Awfice is an experimental office suite made from extremely small browser applications written in plain JavaScript. It includes a rich-text editor, spreadsheet, drawing canvas, and presentation maker. Every main tool is under one kilobyte and is compressed into a single line of code. The applications can run directly from data URLs, bookmarks, or saved HTML files without installation. They work offline and intentionally avoid persistent storage, so refreshing the page erases the current content. The spreadsheet supports formulas and cell references, while the presentation tool offers editable slides and formatting shortcuts. ... -
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Microsoft Bot Framework SDK
Tool for building conversation applications
...Developers can model and build sophisticated conversation using their favorite programming languages including C#, JS, Python and Java or using Bot Framework Composer, an open-source, visual authoring canvas for developers and multi-disciplinary teams to design and build conversational experiences with Language Understanding, QnA Maker and sophisticated composition of bot replies (Language Generation). Checkout the Bot Framework ecosystem section to learn more about other tooling and services related to the Bot Framework SDK. The Bot Framework SDK v4 is an open source SDK that enable developers to model and build sophisticated conversation using their favorite programming language. -
11
RecordRTC
RecordRTC is WebRTC JavaScript library for audio/video
RecordRTC is a client-side JavaScript library for recording browser media streams. It can record audio, video, screen activity, canvas animation, and combined media sources through WebRTC-related browser APIs. The library supports common modern browsers across Windows, macOS, Linux, Android, and selected iOS or Safari use cases. Developers can use promise-based or callback-based recording flows, then retrieve blobs for saving, uploading, or playback. It offers multiple recorder strategies, MIME type options, time-sliced blob delivery, CDN usage, npm installation, and many demos. ... -
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texgen.js
JavaScript Texture Generator
...It exposes a set of composable operations—noise, gradients, patterns, transforms, blends—that you can stack to create complex materials without image files. The API is deliberately fluent, letting you chain nodes to define a pipeline and then render to a canvas or WebGL texture. This approach is ideal for games, demos, and creative coding where small footprint and dynamic variation matter more than hand-painted assets. Because textures are generated at runtime, parameters can be animated or randomized to add life without extra downloads. The project demonstrates how far you can push simple building blocks to create wood, marble, clouds, checkerboards, and other familiar materials. -
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PDFJsAnnotations
Wrapper for PDF JS to add annotations
FabricJS layer on top of Mozilla's PDFJS to add ANNOTATIONS. The exported file will be a PDF with a set of images. So you won't be able to use functions like text selections. trying my best to add the text layer. Due to a lack of PDFJs documentation about this section progress is very slow. If anyone is interested you can check the progress on the dev branch. -
14
MaLiang
iOS painting and drawing library based on Metal
MaLiang is a painting framework based on Metal. It supports drawing and handwriting with customized textures. The name of "MaLiang" comes from a boy who had a magical brush in a Chinese ancient fairy story. A Canvas is the basic component of MaLiang. You will paint all things on it. Canvas extends from MetalView, which extends from MTKView. MetalView handles all the logic with MetalKit and hides them from you. MaLiang supports the automatic adjustment of stroke size with painting force. 3D Touch is supported by default, and simulated force will be setup on devices that do not support this. forceSensitive is the property that force affects the stroke size. ... -
15
Go canvas
Canvas is a Go drawing library based on OpenGL
Canvas is a high-performance 2D rendering library for C++ that mimics the HTML5 Canvas API. It is built using OpenGL for hardware acceleration and offers a simple, familiar interface for developers looking to draw shapes, images, and text in desktop applications or games. Canvas focuses on ease of use, speed, and flexibility, making it suitable for GUI overlays, visualizations, and real-time 2D rendering tasks. -
16
tcl-virtualscrolling
Virtual Scrolling without a frame or canvas wrapper
This code implements virtual scrolling using callbacks to configure and populate the rows. Each row display is configured with a callback and the data for each row is populate with a callback. -
17
WebRTC-Experiment
WebRTC, WebRTC and WebRTC. Everything here is all about WebRTC
...The repository acts as a catalog of related projects rather than one narrow library. It links together tools such as RecordRTC, MultiStreamsMixer, DetectRTC, RTCMultiConnection, scalable broadcasting, Canvas Designer, and Translator. Developers can study the examples to understand WebRTC APIs, signaling patterns, browser support, device detection, and peer-to-peer behavior. It is useful for prototyping browser-based communication apps and learning practical WebRTC implementation ideas. -
18
React Sketch.app
Render React components to Sketch
...Design with real data— Designing with data is important but challenging; react-sketchapp makes it simple to fetch and incorporate real data into your Sketch files. Build new tools on top of Sketch— the easiest way to use Sketch as a canvas for custom design tooling. -
19
Face-Detection-JavaScript
Small browser-based computer vision demo
...It loads face detection, facial landmark, face recognition, and facial expression models from a local models folder. Once the webcam stream starts, the app creates a canvas overlay and draws detection results directly over the video feed. It can identify face boxes, map facial landmark points, and display detected expressions in near real time. The project is simple enough for beginners to study, but it still demonstrates the core pieces needed for webcam access, model loading, detection loops, result resizing, and canvas rendering. ... -
20
VivaGraph
Graph drawing library for JavaScript
...It is designed for speed and scalability, handling large graph datasets with smooth rendering and interactive capabilities such as dragging nodes and zooming. The library supports multiple rendering backends including SVG, WebGL, and Canvas, allowing developers to choose the best balance of performance and visual fidelity for their use case. Its layout algorithms help position nodes in aesthetically pleasing arrangements using force-directed simulations that adjust dynamically as the graph evolves. VivaGraphJS is modular, so you can extend or customize layouts, rendering, and interaction logic to fit specialized applications such as social network analysis, dependency mapping, or knowledge graphs. -
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html5-canvas-2d-grid-layout
A simple grid model system for drawing shapes in an HTML canvas
This project allows the user to define a grid configuration model for a canvas within an HTML document. The grid configuration allows the user to specify height and width of grid "units". Once the grid configuration is defined, the user can create an draw certain shapes and lines, specifying locations in "units" of where objects should be placed in the canvas. Shapes and lines support configuration themselves for color, stroke width, etc. -
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HTML5 Demos and Examples
Collection of hacks and demos showing capability of HTML5 apps
HTML5 Demos and Examples is a classic collection of HTML5 experiments and demonstration files created to show the capabilities of modern web APIs and browser technologies during the rise of HTML5. The repository is an archive of interactive examples—ranging from canvas tricks to video, audio, drag-and-drop, WebSockets, and more—that illustrate how HTML, CSS, and JavaScript can combine to build rich, browser-centric experiences without plugins. Each demo is a self-contained piece of code you can open, explore, and learn from, and the collection was curated to help developers grasp emerging standards at a time when HTML5 was gaining traction and not yet ubiquitous. ... -
23
printThis
jQuery printing plugin; print specific elements on a page
jQuery printing plugin; print specific elements on a page. Filter which inline style attributes to remove. Requires removeInline to be true. Accepts custom CSS/jQuery selectors. The amount of time to wait before calling print() in the printThis iframe. Defaults to 1000 milliseconds. Appropriate values depend heavily on the content and network performance. Graphics heavy, slow, or uncached content may need extra time to load. Use a custom page title on the iframe. This may be reflected on the... -
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PDF API HTML5 Web Apps
Mini SDK JavaScript API library PDF web apps
A condensed library designed to web modern applications, to quickly export your content html to pdf thanks the famous library in javascript: jsPDF. And a special thanks to the project canvg and html2canvas. Project documentation: http://ulmdevice.altervista.org/pdfapihtml5/#documentation ========== Also available service for Angular 7+: http://ulmdevice.altervista.org/pdfjsapi/ Mobile Applications: http://bit.ly/1MrlgKk Opera add-on: http://bit.ly/1kkMhTa -
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Effeckt.css
A Performant Transitions and Animations Library
Effeckt.css is a showcase and toolkit of high-performance UI transitions and animations for the web. It catalogs common interaction patterns—button states, list reveals, modals, off-canvas menus, and page transitions—implemented with CSS transforms and opacity for smooth, GPU-friendly motion. The project focuses on practical details such as using compositing-friendly properties, keeping DOM structures lean, and providing hooks so JavaScript can toggle classes without micromanaging animation state. Each effect is isolated, documented, and demoed, allowing designers to copy just what they need rather than dragging in a monolithic framework. ...
