@jbrowse/core
Version:
JBrowse 2 core libraries used by plugins
100 lines (99 loc) • 4.32 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.renderToAbstractCanvas = renderToAbstractCanvas;
exports.getSerializedSvg = getSerializedSvg;
exports.ReactRendering = ReactRendering;
const jsx_runtime_1 = require("react/jsx-runtime");
const react_1 = require("react");
const canvas_sequencer_1 = require("canvas-sequencer");
const blobToDataURL_1 = require("./blobToDataURL");
const offscreenCanvasPonyfill_1 = require("./offscreenCanvasPonyfill");
async function renderToAbstractCanvas(width, height, opts, cb) {
const { exportSVG, highResolutionScaling = 1 } = opts;
if (exportSVG) {
if (!exportSVG.rasterizeLayers) {
const fakeCtx = new canvas_sequencer_1.CanvasSequence();
const callbackResult = await cb(fakeCtx);
return {
...callbackResult,
canvasRecordedData: fakeCtx.toJSON(),
};
}
else {
const s = exportSVG.scale || highResolutionScaling;
const canvas = (0, offscreenCanvasPonyfill_1.createCanvas)(Math.ceil(width * s), height * s);
const ctx = canvas.getContext('2d');
if (!ctx) {
throw new Error('2d canvas rendering not supported on this platform');
}
ctx.scale(s, s);
const callbackResult = await cb(ctx);
return {
...callbackResult,
reactElement: ((0, jsx_runtime_1.jsx)("image", { width: width, height: height, xlinkHref: 'convertToBlob' in canvas
? await (0, blobToDataURL_1.blobToDataURL)(await canvas.convertToBlob({
type: 'image/png',
}))
: canvas.toDataURL('image/png') })),
};
}
}
else {
const s = highResolutionScaling;
const canvas = (0, offscreenCanvasPonyfill_1.createCanvas)(Math.ceil(width * s), height * s);
const ctx = canvas.getContext('2d');
if (!ctx) {
throw new Error('2d canvas rendering not supported on this platform');
}
ctx.scale(s, s);
const callbackResult = await cb(ctx);
return {
...callbackResult,
imageData: await (0, offscreenCanvasPonyfill_1.createImageBitmap)(canvas),
};
}
}
async function getSerializedSvg(results) {
const { width, height, canvasRecordedData } = results;
const C2S = await Promise.resolve().then(() => __importStar(require('canvas2svg')));
const ctx = new C2S.default(width, height);
const seq = new canvas_sequencer_1.CanvasSequence(canvasRecordedData);
seq.execute(ctx);
return ctx.getSvg().innerHTML;
}
function ReactRendering({ rendering, }) {
return (0, react_1.isValidElement)(rendering.reactElement) ? (rendering.reactElement) : ((0, jsx_runtime_1.jsx)("g", { dangerouslySetInnerHTML: { __html: rendering.html || '' } }));
}