FrostFall

One-click tool to combine multiple Tweet photos into one continuous image.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         FrostFall
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  One-click tool to combine multiple Tweet photos into one continuous image.
// @author       blackjack
// @match        https://twitter.com/*
// @match        https://x.com/*
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    // Styles
    const styles = `
.tic-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9999px;
    transition-duration: 0.2s;
    cursor: pointer;
    margin-left: 8px;
}

.tic-btn:hover {
    background-color: rgba(29, 155, 240, 0.1);
}

.tic-btn svg {
    color: rgb(83, 100, 113);
    fill: currentColor;
    width: 20px;
    height: 20px;
}

.tic-btn:hover svg {
    color: rgb(29, 155, 240);
}

.tic-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Modal Overlay */
.tic-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: tic-fade-in 0.2s forwards;
}

@keyframes tic-fade-in {
    to { opacity: 1; }
}

/* Modal Content Container */
.tic-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* The Combined Image */
.tic-modal-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border-radius: 4px;
}

/* Close Button (Top Right) */
.tic-modal-close {
    position: absolute;
    top: -40px;
    right: -40px;
    color: white;
    font-size: 30px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
    line-height: 1;
}

.tic-modal-close:hover {
    color: #1d9bf0;
}

/* Action Bar (Download Button) */
.tic-modal-actions {
    margin-top: 15px;
}

.tic-btn-download {
    background-color: #1d9bf0;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 9999px;
    font-weight: bold;
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tic-btn-download:hover {
    background-color: #1a8cd8;
}
    `;

    GM_addStyle(styles);

    // Watch for DOM changes to inject buttons
    const observer = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
            if (mutation.addedNodes.length) {
                injectButtons();
            }
        });
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

    function injectButtons() {
        const groups = document.querySelectorAll('div[role="group"]:not(.tic-processed)');

        groups.forEach(group => {
            const article = group.closest('article[data-testid="tweet"]');
            if (!article) return;

            group.classList.add('tic-processed');

            const btn = createBtn();
            btn.onclick = (e) => handleCombine(e, article);

            group.appendChild(btn);
        });
    }

    function createBtn() {
        const div = document.createElement('div');
        div.className = 'tic-btn css-1dbjc4n r-18u37iz r-1h0z5md';
        div.setAttribute('role', 'button');
        div.setAttribute('aria-label', 'Combine Images');
        div.setAttribute('title', 'Combine Images');

        // Icon: Snowflake style (FrostFall theme)
        div.innerHTML = `
        <svg viewBox="0 0 24 24" aria-hidden="true" class="r-4qtqp9 r-yyyyoo r-1xvli5t r-dnmrzs r-bnwqim r-1plcrui r-lrvibr r-18jsvk2">
            <g>
                <path d="M21 11h-3.64l1.88-2.61c.45-.63.3-1.51-.33-1.96-.63-.45-1.51-.3-1.96.33L15.2 9.2V6c0-.77-.63-1.4-1.4-1.4-.77 0-1.4.63-1.4 1.4v3.2l-1.75-2.43c-.45-.63-1.33-.78-1.96-.33-.63.45-.78 1.33-.33 1.96L10.24 11H6.6c-.77 0-1.4.63-1.4 1.4 0 .77.63 1.4 1.4 1.4h3.64l-1.88 2.61c-.45.63-.3 1.51.33 1.96.26.19.56.28.85.28.43 0 .86-.2 1.11-.56l1.75-2.43V19c0 .77.63 1.4 1.4 1.4.77 0 1.4-.63 1.4-1.4v-3.2l1.75 2.43c.25.35.68.56 1.11.56.29 0 .59-.09.85-.28.63-.45.78-1.33.33-1.96L17.36 14H21c.77 0 1.4-.63 1.4-1.4 0-.77-.63-1.4-1.4-1.4z"></path>
            </g>
        </svg>
        `;
        return div;
    }

    async function handleCombine(e, article) {
        e.stopPropagation();
        const btn = e.currentTarget;
        const originalContent = btn.innerHTML;

        try {
            btn.classList.add('tic-loading');
            btn.innerHTML = '<span style="font-size:12px">...</span>';

            const images = getTweetImages(article);

            if (images.length === 0) {
                alert('No images found in this tweet!');
                return;
            }

            const blobs = await Promise.all(images.map(url => fetchImage(url)));
            const bitmaps = await Promise.all(blobs.map(blob => createImageBitmap(blob)));

            const canvas = document.createElement('canvas');
            const ctx = canvas.getContext('2d');

            let totalHeight = 0;
            let maxWidth = 0;

            bitmaps.forEach(bmp => {
                totalHeight += bmp.height;
                maxWidth = Math.max(maxWidth, bmp.width);
            });

            canvas.width = maxWidth;
            canvas.height = totalHeight;

            let currentY = 0;
            bitmaps.forEach(bmp => {
                const x = (maxWidth - bmp.width) / 2;
                ctx.drawImage(bmp, x, currentY);
                currentY += bmp.height;
            });

            canvas.toBlob((blob) => {
                showPreviewModal(blob);
            }, 'image/png');

        } catch (err) {
            console.error('Error combining images:', err);
            alert('Failed to combine images. See console for details.');
        } finally {
            btn.classList.remove('tic-loading');
            btn.innerHTML = originalContent;
        }
    }

    function showPreviewModal(blob) {
        const url = URL.createObjectURL(blob);

        const overlay = document.createElement('div');
        overlay.className = 'tic-modal-overlay';

        overlay.innerHTML = `
            <div class="tic-modal-content">
                <button class="tic-modal-close" aria-label="Close">×</button>
                <img src="${url}" class="tic-modal-image" alt="Combined Image">
                <div class="tic-modal-actions">
                    <button class="tic-btn-download">
                        <svg viewBox="0 0 24 24" width="18" height="18" fill="currentColor"><path d="M21 16v-2l-8-5-8 5v2h16zm2-8H1v11c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V8zm-2 11H3v-2l8-5 8 5v2zM5 8h14V6H5v2z"></path></svg>
                        Download Image
                    </button>
                </div>
            </div>
        `;

        const closeBtn = overlay.querySelector('.tic-modal-close');
        const downloadBtn = overlay.querySelector('.tic-btn-download');
        const img = overlay.querySelector('.tic-modal-image');

        const escHandler = (e) => {
            if (e.key === 'Escape') {
                closeModal(overlay, url, escHandler);
            }
        };
        document.addEventListener('keydown', escHandler);

        closeBtn.onclick = () => closeModal(overlay, url, escHandler);

        overlay.onclick = (e) => {
            if (e.target === overlay) closeModal(overlay, url, escHandler);
        };

        downloadBtn.onclick = () => {
            const a = document.createElement('a');
            const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
            a.download = `frostfall-${timestamp}.png`;
            a.href = url;
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
        };

        document.body.appendChild(overlay);
    }

    function closeModal(overlay, url, escHandler) {
        if (escHandler) {
            document.removeEventListener('keydown', escHandler);
        }

        if (overlay && overlay.parentNode) {
            overlay.parentNode.removeChild(overlay);
        }

        setTimeout(() => URL.revokeObjectURL(url), 100);
    }

    function getTweetImages(article) {
        const imgs = Array.from(article.querySelectorAll('img[src*="pbs.twimg.com/media"]'));

        return imgs.filter(img => {
            const closestTweet = img.closest('[data-testid="tweet"]');
            if (closestTweet !== article) return false;
            if (img.closest('div[role="link"]')) return false;
            return true;
        }).map(img => {
            const url = new URL(img.src);
            if (url.searchParams.has('name')) {
                url.searchParams.set('name', 'orig');
            }
            return url.toString();
        });
    }

    async function fetchImage(url) {
        const response = await fetch(url);
        if (!response.ok) throw new Error('Network error');
        return response.blob();
    }

    injectButtons();
})();