UNPKG

perspectivets

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Transforms the perspective of an image and draw it on a canvas

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/*! Copyright 2021 Adonmo https://www.adonmo.com/ 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. This file was modified by Fabien LOISON <http://www.flozz.fr/> This file was further modified by Adonmo https://www.adonmo.com/ */ interface Quadrilateral { topLeftX: number; topLeftY: number; topRightX: number; topRightY: number; bottomRightX: number; bottomRightY: number; bottomLeftX: number; bottomLeftY: number; } export default class Perspective { private ctxd; private cvso; private ctxo; private ctxt; constructor(ctxd: CanvasRenderingContext2D, image: HTMLImageElement); draw(q: Quadrilateral): void; private create_canvas_context; private _applyMask; } export {};