From 7fdc47350f7210cc1183eb3dacdf8bc49f42b9c0 Mon Sep 17 00:00:00 2001 From: Adrian Maraj Date: Tue, 14 May 2024 12:09:43 +0200 Subject: [PATCH 1/3] new: downloadable tree as png --- website/web/sri.txt | 4 +-- website/web/static/tree.css | 6 ---- website/web/static/tree.js | 59 ++++++++++++++++++++++++++++++++- website/web/templates/tree.html | 3 ++ 4 files changed, 63 insertions(+), 9 deletions(-) diff --git a/website/web/sri.txt b/website/web/sri.txt index 2599d90..d53e079 100644 --- a/website/web/sri.txt +++ b/website/web/sri.txt @@ -35,8 +35,8 @@ "secure.svg": "H8ni7t0d60nCJDVGuZpuxC+RBy/ipAjWT627D12HlZGg6LUmjSwPTQTUekm3UJupEP7TUkhXyq6WHc5gy7QBjg==", "stats.css": "/kY943FwWBTne4IIyf7iBROSfbGd82TeBicEXqKkRwawMVRIvM/Pk5MRa7okUyGIxaDjFQGmV/U1vy+PhN6Jbw==", "stats_graph.js": "S/sMNQK1UMMLD0xQeEa7sq3ce8o6oPxwxGlyKVtaHOODjair86dbBDm7cu6pa/elMRDJT1j09jEFjWp+5GbhTw==", - "tree.css": "AvSJOleYapo+xOCcOPGxTcKg+t1TxFkmr/VvgVJbXaeDOnYECzmJOIVNZii/eFouTh85uDSgr+WLQHq3hft6Kg==", - "tree.js": "MezKYufVkOBLm/Z4ENrMhKzBNDslhXYTlDhjDDAbhHo6XqRzCnTMIgYtikQ1mxkwF5P61Tl1w0kalIPe4Sca6g==", + "tree.css": "xffZ5VGbH0dvaD3pJRj48PttTd29xtU45QozhHi/oJCKy8HU/NkHcGutpx9sOGMuY5tsKn8Pub6Ncsjj9f4TSg==", + "tree.js": "26qV04hLcKiZB2Td5Oe/OZ2shdvGZv+xcO7VB1hcrvV3j7Urdvq/mMZ+OT5B8/iP0Ao7KvZKH3EzszXw55mkSA==", "up.jpg": "d1ljZJ9f5JekyM6RLFFH2Ua44j6neiQBdUIXOenRTjGppQr3JaeglpQIH6BjPCJL177+TH52U3UIRNS5YAyKIg==", "up_right.jpg": "OMmz+n+MxR34P8/fn5t4DkqKqdJRzQbXQ7fAi2lhkZIJGhVs2vIyY1f2hpYoBxDAX1OcYsSE2lqIR2vXNDGZsA==", "video.png": "gJtmkfr8I1Kw43pYEKjg6CAjgmhl1vIBKBQ3ZkxCu3wvxQm+6kf93iLrrFiY2WuiXzxEn2Leu52GJzmVN5id0g==", diff --git a/website/web/static/tree.css b/website/web/static/tree.css index 431642b..0031889 100644 --- a/website/web/static/tree.css +++ b/website/web/static/tree.css @@ -8,12 +8,6 @@ font: 12px sans-serif; } -.link { - fill: none; - stroke: #ccc; - stroke-width: 2px; -} - .flashed-messages { position: fixed; bottom: 5px; diff --git a/website/web/static/tree.js b/website/web/static/tree.js index 88495ed..dffd204 100644 --- a/website/web/static/tree.js +++ b/website/web/static/tree.js @@ -824,7 +824,10 @@ function update(root, computed_node_width=0) { // Enter any new links at the parent's previous position. .insert('path', "g") .attr("class", "link") - .attr('d', diagonal), + .attr('d', diagonal) + .style('fill', 'none') + .style('stroke', '#ccc') + .style('stroke-width', '2px'), update => update, exit => exit.call(exit => exit.attr('d', diagonal).remove()) ).call(link => link.attr('d', diagonal)); @@ -833,3 +836,57 @@ function update(root, computed_node_width=0) { update(root, node_width) } } + +//download the tree as png file +const downloadSvg = () => { + const svgElement = document.querySelector('svg'); + const svgCopy = svgElement.cloneNode(true); + const images = svgCopy.querySelectorAll('image'); + const promises = []; + images.forEach((imageElement) => { + const promise = new Promise((resolve, reject) => { + const canvas = document.createElement('canvas'); + const ctx = canvas.getContext('2d'); + + const image = new Image(); + image.onload = function() { + canvas.width = image.width; + canvas.height = image.height; + ctx.drawImage(image, 0, 0); + const dataURL = canvas.toDataURL("image/svg+xml"); + imageElement.setAttribute('href', dataURL); + resolve(); + }; + image.onerror = function() { + reject(new Error('Error')); + }; + image.src = imageElement.getAttribute('href'); + }); + promises.push(promise); + }); + + Promise.all(promises).then(() => { + var svgData = new XMLSerializer().serializeToString(svgCopy); + var svgBlob = new Blob([svgData], { type: "image/svg+xml;charset=utf-8" }); + var url = URL.createObjectURL(svgBlob); + var img = new Image(); + img.onload = function() { + var canvas = document.createElement('canvas'); + canvas.width = svgCopy.width.baseVal.value * 2; + canvas.height = svgCopy.height.baseVal.value * 2; + var ctx = canvas.getContext('2d'); + ctx.fillStyle='white'; + ctx.fillRect(0,0,canvas.width,canvas.height) + ctx.drawImage(img, 0, 0, canvas.width, canvas.height); + + var png = canvas.toDataURL('image/png'); + var a = document.createElement('a'); + a.download = 'tree.png'; + a.href = png; + a.click(); + }; + img.src = url; + }).catch((error) => { + console.error('Error:', error); + }); +}; diff --git a/website/web/templates/tree.html b/website/web/templates/tree.html index 1b0ae7f..71bfc6b 100644 --- a/website/web/templates/tree.html +++ b/website/web/templates/tree.html @@ -867,6 +867,9 @@