imagerot
Version:
A lightweight, cross-environment image library for applying unique effects via raw image buffers.
29 lines (28 loc) • 1.48 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.bufferToBlob = void 0;
const bufferToBlob = (_a) => __awaiter(void 0, [_a], void 0, function* ({ data, width, height }) {
const canvas = new OffscreenCanvas(width, height);
const context = canvas.getContext('2d');
const clampedArray = new Uint8ClampedArray(data.buffer);
const imageData = new ImageData(clampedArray, width, height);
context === null || context === void 0 ? void 0 : context.putImageData(imageData, 0, 0);
return canvas.convertToBlob().then((blob) => {
if (blob) {
return URL.createObjectURL(blob);
}
else {
throw new Error('Failed to create Blob from canvas image');
}
});
});
exports.bufferToBlob = bufferToBlob;