camstreamerlib
Version:
Helper library for CamStreamer ACAP applications.
47 lines (46 loc) • 1.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs/promises");
class ResourceManager {
co;
imgFileNames = {};
fontFileNames = {};
images = {};
fonts = {};
constructor(co) {
this.co = co;
}
registerImage(moniker, fileName) {
this.imgFileNames[moniker] = process.env.INSTALL_PATH + '/images/' + fileName;
}
registerFont(moniker, fileName) {
this.fontFileNames[moniker] = process.env.INSTALL_PATH + '/fonts/' + fileName;
}
async image(moniker) {
if (this.images[moniker] !== undefined) {
return this.images[moniker];
}
if (this.imgFileNames[moniker] !== undefined) {
const imgData = await fs.readFile(this.imgFileNames[moniker]);
this.images[moniker] = await this.co.uploadImageData(imgData);
return this.images[moniker];
}
throw new Error('Error! Unknown image requested!');
}
async font(moniker) {
if (this.fonts[moniker] !== undefined) {
return this.fonts[moniker];
}
if (this.fontFileNames[moniker] !== undefined) {
const fontData = await fs.readFile(this.fontFileNames[moniker]);
this.fonts[moniker] = await this.co.uploadFontData(fontData);
return this.fonts[moniker];
}
throw new Error('Error! Unknown font requested!');
}
clear() {
this.images = {};
this.fonts = {};
}
}
exports.default = ResourceManager;