wdio-ocr-service
Version:
A WebdriverIO service that is using Tesseract OCR for Appium Native App tests.
91 lines (90 loc) • 5.36 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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
// @ts-ignore
var pureimage_1 = require("pureimage");
var fs_1 = require("fs");
function createImage(data) {
return __awaiter(this, void 0, void 0, function () {
var bottom, filePath, height, left, lines, right, top, width, image, canvasImage, context, sxDx, syDy, sdHeight, sdWidth;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
bottom = data.bottom, filePath = data.filePath, height = data.height, left = data.left, lines = data.lines, right = data.right, top = data.top, width = data.width;
return [4 /*yield*/, pureimage_1.decodePNGFromStream(fs_1.createReadStream(filePath))];
case 1:
image = _a.sent();
canvasImage = pureimage_1.make(width, height);
context = canvasImage.getContext('2d');
sxDx = left ? left : 0;
syDy = top ? top : 0;
sdHeight = bottom && (top || top === 0) ? Math.abs(bottom - top) : height;
sdWidth = (left || left === 0) && right ? Math.abs(right - left) : width;
context.drawImage(image,
// Start at x/y pixels from the left and the top of the image (crop)
sxDx, syDy,
// 'Get' a (w * h) area from the source image (crop)
sdWidth, sdHeight,
// Place the result at 0, 0 in the canvas,
// 0,0,
sxDx, syDy,
// With as width / height: 100 * 100 (scale)
sdWidth, sdHeight);
if (lines && lines.length > 0) {
// Highlight all found texts
lines.forEach(function (_a) {
var bbox = _a.bbox;
var right = bbox.right, bottom = bbox.bottom, left = bbox.left, top = bbox.top;
context.beginPath();
context.fillStyle = 'rgba(57, 170, 86, 0.5)';
context.fillRect(left, top, Math.abs(right - left), Math.abs(bottom - top));
context.lineWidth = 2;
context.strokeStyle = '#39aa56';
context.rect(left, top, Math.abs(right - left), Math.abs(bottom - top));
context.stroke();
});
}
return [4 /*yield*/, pureimage_1.encodePNGToStream(canvasImage, fs_1.createWriteStream(filePath))];
case 2:
_a.sent();
return [2 /*return*/];
}
});
});
}
exports.default = createImage;