Transforms the perspective of an image and draw it on a canvas
npm install perspectivets
perspective.ts is a TypeScript library which allow you to transform a rectangle image into an arbitrary form of quadrilateral on a canvas element. It is used to draw an image using perspective on a canvas.
perspective.ts is a fork of perspective.js, which is itself a derivative work of the original Futomi Hatano's perspective.js
``html`
`js`
var p = new Perspective(ctx, image);
p.draw({
topLeftX: 30,
topLeftY: 30,
topRightX: 462,
topRightY: 50,
bottomRightX: 442,
bottomRightY: 482,
bottomLeftX: 10,
bottomLeftY: 512,
});
`js
import Perspective from "perspectivets"
let p = new Perspective(ctx, img)
p.draw({
topLeftX: 30,
topLeftY: 30,
topRightX: 462,
topRightY: 50,
bottomRightX: 442,
bottomRightY: 482,
bottomLeftX: 10,
bottomLeftY: 512,
})
`
`
yarn build
No automated tests. But you can manually test using the demo:
`
http-server
And then open http://localhost:8080/demo/ in your browser.
Copyright 2010 futomi http://www.html5.jp/
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.