Takes a screenshot of Mathswatch question images, sends it to Gemini, and displays the answer in a beautifully styled new tab.
// ==UserScript==
// @name Mathswatch Autosolver
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Takes a screenshot of Mathswatch question images, sends it to Gemini, and displays the answer in a beautifully styled new tab.
// @author Your Name
// @match https://vle.mathswatch.co.uk/*
// @grant GM_openInTab
// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const GEMINI_API_KEY_KEY = 'Your-Google-API-Key-Here';
let geminiApiKey = GM_getValue(GEMINI_API_KEY_KEY, null);
const GEMINI_API_URL = 'https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-pro-latest:generateContent?key=';
const DEFAULT_PROMPT = "Analyze the image and identify any questions. Answer the questions with as much detail as possible. Show your reasoning.";
const ADDITIONAL_PROMPT_MESSAGE = "Enter any additional instructions or questions to send with the image (or leave blank for default prompt):";
async function checkApiKey() {
if (!geminiApiKey) {
geminiApiKey = prompt("Enter your Google AI Studio API Key:");
if (geminiApiKey) {
GM_setValue(GEMINI_API_KEY_KEY, geminiApiKey);
alert("API key saved. Press Ctrl+X again to process the question.");
} else {
alert("API key required for the script to function.");
}
return false;
}
return true;
}
async function captureScreenshot() {
if (typeof html2canvas === "undefined") {
await new Promise(resolve => {
const script = document.createElement("script");
script.src = "https://html2canvas.hertzen.com/dist/html2canvas.min.js";
script.onload = resolve;
document.head.appendChild(script);
});
}
// Capture only the images with the class 'img-responsive col-xs-12 img-question'
const imageElements = document.querySelectorAll('img.img-responsive.col-xs-12.img-question');
if (imageElements.length === 0) {
alert("No image found with the specified class.");
return;
}
// Create a canvas of the first image (you can modify this for multiple images)
const canvas = await html2canvas(imageElements[0], {
useCORS: true,
allowTaint: true,
scrollX: 0,
scrollY: 0,
windowWidth: imageElements[0].naturalWidth,
windowHeight: imageElements[0].naturalHeight,
width: imageElements[0].naturalWidth,
height: imageElements[0].naturalHeight
});
return canvas;
}
function convertCanvasToBlob(canvas) {
return new Promise((resolve, reject) => {
canvas.toBlob(blob => {
blob ? resolve(blob) : reject(new Error('Failed to convert canvas to blob.'));
}, 'image/png');
});
}
async function sendImageToGemini(imageBlob, additionalPrompt = "") {
if (!await checkApiKey()) return;
const reader = new FileReader();
reader.readAsDataURL(imageBlob);
return new Promise((resolve, reject) => {
reader.onloadend = () => {
const base64Image = reader.result.split(',')[1];
const promptText = additionalPrompt.trim() !== "" ? additionalPrompt : DEFAULT_PROMPT;
const payload = {
contents: [
{
parts: [
{ text: promptText },
{
inline_data: {
mime_type: "image/png",
data: base64Image
}
}
]
}
]
};
GM_xmlhttpRequest({
method: "POST",
url: GEMINI_API_URL + geminiApiKey,
headers: { "Content-Type": "application/json" },
data: JSON.stringify(payload),
onload: function (response) {
if (response.status >= 200 && response.status < 300) {
try {
const jsonResponse = JSON.parse(response.responseText);
const answer = jsonResponse?.candidates?.[0]?.content?.parts?.[0]?.text || "No answer found.";
displayAnswerInNewTab(answer);
} catch (error) {
reject("Error parsing response: " + error.message);
}
} else {
reject(`API Error: ${response.status} - ${response.responseText}`);
}
},
onerror: function (error) {
reject("Request error: " + error);
}
});
};
reader.onerror = () => reject(new Error('Failed to read image.'));
});
}
function displayAnswerInNewTab(answer) {
const newTabContent = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Gemini Answer</title>
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap" rel="stylesheet">
<style>
@keyframes bgAnimation {
0% { background-position: 0% 50%; }
50% { background-position: 100% 50%; }
100% { background-position: 0% 50%; }
}
body {
font-family: 'Poppins', sans-serif;
background: linear-gradient(135deg, #1E1E2F, #2D2D3F);
background-size: 300% 300%;
animation: bgAnimation 10s infinite alternate;
color: #FFF;
text-align: center;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.container {
background: rgba(255, 255, 255, 0.1);
padding: 20px;
border-radius: 12px;
max-width: 600px;
box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.container:hover {
transform: translateY(-5px);
box-shadow: 0 10px 20px rgba(255, 255, 255, 0.4);
}
h1 {
font-size: 22px;
font-weight: 600;
margin-bottom: 10px;
}
pre {
white-space: pre-wrap;
word-wrap: break-word;
font-size: 14px;
background: rgba(255, 255, 255, 0.1);
padding: 10px;
border-radius: 8px;
text-align: left;
max-height: 300px;
overflow-y: auto;
font-family: 'Poppins', sans-serif;
}
button {
margin-top: 10px;
padding: 10px 20px;
font-size: 14px;
border: none;
border-radius: 8px;
background: #FFC857;
color: #222;
cursor: pointer;
transition: 0.3s;
}
button:hover {
background: #FFA500;
}
</style>
</head>
<body>
<div class="container">
<h1>Gemini Answer</h1>
<pre id="answer">${answer}</pre>
<button onclick="copyToClipboard()">📋 Copy</button>
</div>
<script>
function copyToClipboard() {
const answerText = document.getElementById("answer").textContent;
navigator.clipboard.writeText(answerText).then(() => {
alert("Copied to clipboard!");
}).catch(err => console.error("Copy failed:", err));
}
</script>
</body>
</html>
`;
GM_openInTab(`data:text/html;charset=utf-8,${encodeURIComponent(newTabContent)}`, { active: true });
}
document.addEventListener('keydown', async function (event) {
if (event.ctrlKey && event.key === 'x') {
event.preventDefault();
try {
const canvas = await captureScreenshot();
const imageBlob = await convertCanvasToBlob(canvas);
const additionalPrompt = prompt(ADDITIONAL_PROMPT_MESSAGE);
await sendImageToGemini(imageBlob, additionalPrompt);
} catch (error) {
alert("Error: " + error);
}
}
});
console.log("Mathswatch Autosolver script loaded.");
})();