You can edit the below JavaScript code to customize the image tool.
Apply Changes
async function processImage(originalImg, themeColor = '#00FFCC', lang = 'ru') {
// Return an empty canvas if validation fails
if (!originalImg || !originalImg.width || !originalImg.height) {
return document.createElement('canvas');
}
const width = originalImg.width;
const height = originalImg.height;
// Create and configure the output canvas
const canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext('2d');
// Draw the original image as the background
ctx.drawImage(originalImg, 0, 0, width, height);
// Apply a dark overlay to create a "screen/hud" effect outside the scan bounds
ctx.fillStyle = 'rgba(0, 15, 25, 0.65)';
ctx.fillRect(0, 0, width, height);
// Define the scanning target area (center 80% of the image)
const padX = width * 0.1;
const padY = height * 0.1;
const scanW = width - padX * 2;
const scanH = height - padY * 2;
// Draw the enhanced/cropped portion of the image inside the scanning area
ctx.save();
ctx.beginPath();
ctx.rect(padX, padY, scanW, scanH);
ctx.clip();
// Use an image filter to give a neon "technical analysis" scan effect
ctx.filter = `contrast(1.3) brightness(1.2) sepia(0.8) hue-rotate(140deg) saturate(2)`;
ctx.drawImage(originalImg, 0, 0, width, height);
ctx.filter = 'none'; // reset filter
// Draw scanning area grid
ctx.strokeStyle = themeColor;
ctx.globalAlpha = 0.25;
ctx.lineWidth = 1;
const gridSizeX = scanW / 12;
const gridSizeY = scanH / 12;
ctx.beginPath();
for (let x = padX; x <= width - padX; x += gridSizeX) {
ctx.moveTo(x, padY);
ctx.lineTo(x, height - padY);
}
for (let y = padY; y <= height - padY; y += gridSizeY) {
ctx.moveTo(padX, y);
ctx.lineTo(width - padX, y);
}
ctx.stroke();
// Draw a simulated moving laser scan line
const scanLineY = padY + (scanH * 0.4); // Statically positioned mid-scan
ctx.fillStyle = themeColor;
ctx.globalAlpha = 0.6;
ctx.fillRect(padX, scanLineY, scanW, Math.max(2, height * 0.005));
// Trailing glow behind the scanner line
const gradient = ctx.createLinearGradient(0, padY, 0, scanLineY);
gradient.addColorStop(0, 'rgba(0, 255, 204, 0)');
gradient.addColorStop(1, 'rgba(0, 255, 204, 0.15)');
ctx.fillStyle = gradient;
ctx.fillRect(padX, padY, scanW, scanLineY - padY);
ctx.globalAlpha = 1.0;
ctx.restore();
// Draw HUD Corner Brackets to frame the scan area
const bracketSize = Math.max(20, Math.min(scanW, scanH) * 0.1);
ctx.strokeStyle = themeColor;
ctx.lineWidth = Math.max(2, width * 0.006);
ctx.lineJoin = 'miter';
const drawCorner = (bx, by, dx, dy) => {
ctx.beginPath();
ctx.moveTo(bx + dx, by);
ctx.lineTo(bx, by);
ctx.lineTo(bx, by + dy);
ctx.stroke();
};
// Top-left, top-right, bottom-left, bottom-right brackets
drawCorner(padX, padY, bracketSize, bracketSize);
drawCorner(width - padX, padY, -bracketSize, bracketSize);
drawCorner(padX, height - padY, bracketSize, -bracketSize);
drawCorner(width - padX, height - padY, -bracketSize, -bracketSize);
// Attempt Native Barcode Detection for physical TV identifiers/models on labels
let identifiers = [];
try {
if ('BarcodeDetector' in window) {
const detector = new BarcodeDetector();
const barcodes = await detector.detect(originalImg);
identifiers = barcodes.map(b => ({
text: b.rawValue,
box: b.boundingBox
}));
}
} catch(e) {
console.warn("Native Barcode/Identifier detection unavailable or failed due to CORS.", e);
}
// Font Configuration
const baseFontSize = Math.max(12, Math.floor(width * 0.02));
ctx.font = `bold ${baseFontSize}px "Courier New", monospace`;
ctx.fillStyle = themeColor;
// Highlight found Identifiers
let hasIdentifier = identifiers.length > 0;
if (hasIdentifier) {
for (const id of identifiers) {
const { x, y, width: bw, height: bh } = id.box;
ctx.strokeStyle = '#FF3366'; // Highlight color for target model/SN
ctx.lineWidth = Math.max(2, width * 0.005);
ctx.strokeRect(x, y, bw, bh);
ctx.fillStyle = '#FF3366';
ctx.textAlign = 'left';
const textY = y > baseFontSize + 15 ? y - 10 : y + bh + baseFontSize + 5;
ctx.fillText(`► ИДЕНТИФИКАТОР: ${id.text}`, x, textY);
// Draw crosshairs on target center
ctx.beginPath();
ctx.moveTo(x + bw/2 - 10, y + bh/2); ctx.lineTo(x + bw/2 + 10, y + bh/2);
ctx.moveTo(x + bw/2, y + bh/2 - 10); ctx.lineTo(x + bw/2, y + bh/2 + 10);
ctx.stroke();
}
}
// Overlay General HUD Text & Telemetry
ctx.fillStyle = themeColor;
// Top Left Headers
const title1 = lang === 'ru' ? 'ОБЗОР ТЕЛЕВИЗОРЫ' : 'TV REVIEW';
const title2 = lang === 'ru' ? 'СКАНЕР ИДЕНТИФИКАТОР' : 'IDENTIFIER SCANNER TOOL';
ctx.textAlign = 'left';
ctx.fillText(`${title1} / СКАНИРОВАНИЕ ЗАПУЩЕНО`, padX, padY - baseFontSize * 1.6);
ctx.fillText(`ИНСТРУМЕНТ: ${title2}`, padX, padY - baseFontSize * 0.4);
// Top Right Info
ctx.textAlign = 'right';
ctx.fillText(`SYS.RES: ${width}x${height}PX`, width - padX, padY - baseFontSize * 1.6);
ctx.fillText(`FREQ: ${(Math.random() * 5 + 55).toFixed(2)}HZ | HDR: DETECTED`, width - padX, padY - baseFontSize * 0.4);
// Bottom Status Output
ctx.textAlign = 'left';
const statusOutputTitle = lang === 'ru' ? 'СТАТУС:' : 'STATUS:';
if (hasIdentifier) {
ctx.fillText(`${statusOutputTitle} ИДЕНТИФИКАТОРЫ НАЙДЕНЫ И РАСПОЗНАНЫ (${identifiers.length})`, padX, height - padY + baseFontSize + 10);
} else {
ctx.fillText(`${statusOutputTitle} ИДЕНТИФИКАТОР (ШТРИХ-КОД/QR) НЕ ОБНАРУЖЕН. ТРЕБУЕТСЯ РУЧНОЙ ВВОД.`, padX, height - padY + baseFontSize + 10);
}
ctx.fillText('МОДЕЛЬ ТЕЛЕВИЗОРА: АНАЛИЗ ФОРМЫ...', padX, height - padY + baseFontSize * 2.5 + 10);
// Central crosshair graphic
ctx.beginPath();
ctx.moveTo(width / 2 - baseFontSize*1.5, height / 2);
ctx.lineTo(width / 2 + baseFontSize*1.5, height / 2);
ctx.moveTo(width / 2, height / 2 - baseFontSize*1.5);
ctx.lineTo(width / 2, height / 2 + baseFontSize*1.5);
ctx.strokeStyle = themeColor;
ctx.globalAlpha = 0.8;
ctx.lineWidth = Math.max(1, width * 0.002);
ctx.stroke();
ctx.beginPath();
ctx.arc(width / 2, height / 2, baseFontSize * 0.8, 0, Math.PI * 2);
ctx.stroke();
// Add fake processing hex streams down the left side for tech/scanner effect
ctx.font = `normal ${Math.max(8, baseFontSize * 0.6)}px "Courier New", monospace`;
ctx.globalAlpha = 0.5;
for(let i = 0; i < 15; i++) {
const fakeHex = '0x' + Math.floor(Math.random()*65535).toString(16).padEnd(4,'0').toUpperCase();
ctx.fillText(fakeHex, padX + 10, padY + (scanH * 0.1) + (i * baseFontSize));
}
ctx.globalAlpha = 1.0;
return canvas;
}Apply Changes
