added file download to meme
This commit is contained in:
parent
54d92a2c08
commit
0eebf30d48
9 changed files with 319 additions and 99 deletions
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@ -15,4 +15,10 @@
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.row {
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margin: 10px 0px 10px 0px;
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}
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canvas {
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background-color: blue;
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width: 100%;
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height: auto;
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}
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98
public/assets/js/memeDraw.js
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98
public/assets/js/memeDraw.js
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@ -0,0 +1,98 @@
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var canvas = document.getElementById('meme-canvas');
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var img = document.getElementById('start-image');
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var canvasWidth;
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var canvasHeight;
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var fontSize = 28;
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var topText = document.getElementById('top-text');
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var bottomText = document.getElementById('bottom-text');
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var ctx = canvas.getContext('2d');
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var downloadLink = document.getElementById("meme-download-link");
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var memeFileName = document.getElementById("meme-file-name");
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// create the canvas
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img.onload = function() {
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// get dimensions of the start img
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canvasWidth = img.width;
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canvasHeight = img.height;
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// hide start image
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img.hidden = true;
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// size the canvas
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canvas.width = canvasWidth;
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canvas.height = canvasHeight;
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// draw the starting meme
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drawMeme()
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}
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// if the text changes, re-draw the meme
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topText.addEventListener('keyup', drawMeme);
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bottomText.addEventListener('keyup', drawMeme);
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// draw the image and draw the text over it
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function drawMeme() {
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ctx.clearRect(0, 0, canvasWidth, canvasHeight);
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ctx.drawImage(img, 0, 0, canvasWidth, canvasHeight);
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ctx.lineWidth = 4;
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ctx.font = fontSize + 'px sans-serif';
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ctx.strokeStyle = 'black';
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ctx.fillStyle = 'white';
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ctx.textAlign = 'center';
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ctx.textBaseline = 'top';
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var text1 = topText.value;
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text1 = text1.toUpperCase();
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x = canvasWidth / 2;
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y = 0;
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wrapText(ctx, text1, x, y, canvasWidth, fontSize, false);
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ctx.textBaseline = 'bottom';
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var text2 = bottomText.value;
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text2 = text2.toUpperCase();
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y = canvasHeight;
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wrapText(ctx, text2, x, y, canvasHeight, fontSize, true);
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}
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function wrapText(context, text, x, y, maxWidth, lineHeight, fromBottom) {
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var pushMethod = (fromBottom)?'unshift':'push';
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lineHeight = (fromBottom)?-lineHeight:lineHeight;
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var lines = [];
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var y = y;
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var line ='';
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var words = text.split(' ');
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for (var i = 0; i < words.length; i++) {
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var testLine = line + ' ' + words[i];
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var metrics = context.measureText(testLine);
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var testWidth = metrics.width;
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if (testWidth > maxWidth) {
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lines[pushMethod](line);
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line = words[i] + ' ';
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} else {
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line = testLine;
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}
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}
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lines[pushMethod](line);
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for (var k in lines ) {
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context.strokeText(lines[k], x, y + lineHeight * k);
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context.fillText(lines[k], x, y + lineHeight * k);
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}
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}
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// save the meme
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function downloadMeme() {
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var dt = canvas.toDataURL('image/jpeg');
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this.href = dt;
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};
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function updateFileName(){
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downloadLink.download = this.value;
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}
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memeFileName.addEventListener('keyup', updateFileName);
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downloadLink.addEventListener('click', downloadMeme, false);
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144
public/assets/js/memePublish.js
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public/assets/js/memePublish.js
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@ -0,0 +1,144 @@
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// define variables
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var socket = io();
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var uploader = new SocketIOFileUpload(socket);
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var stagedFiles = null;
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/* helper functions */
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// create a progress animation
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function createProgressBar(element, size){
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var x = 1;
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var adder = 1;
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function addOne(){
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var bars = '<p>|';
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for (var i = 0; i < x; i++){ bars += ' | '; }
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bars += '</p>';
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element.innerHTML = bars;
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if (x === size){
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adder = -1;
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} else if ( x === 0){
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adder = 1;
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}
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x += adder;
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};
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setInterval(addOne, 300);
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}
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// preview file and stage the image for upload
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function previewAndStageFile(selectedFile){
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var preview = document.getElementById('image-preview');
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var dropzone = document.getElementById('drop-zone');
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var previewReader = new FileReader();
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preview.style.display = 'block';
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dropzone.style.display = 'none';
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previewReader.onloadend = function () {
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preview.src = previewReader.result;
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};
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if (selectedFile) {
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previewReader.readAsDataURL(selectedFile); // reads the data and sets the img src
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document.getElementById('publish-name').value = selectedFile.name.substring(0, selectedFile.name.indexOf('.')); // updates metadata inputs
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stagedFiles = [selectedFile]; // stores the selected file for upload
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} else {
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preview.src = '';
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}
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}
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// update the publish status
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function updatePublishStatus(msg){
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document.getElementById('publish-status').innerHTML = msg;
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}
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// process the drop-zone drop
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function drop_handler(ev) {
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console.log("drop");
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ev.preventDefault();
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// if dropped items aren't files, reject them
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var dt = ev.dataTransfer;
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if (dt.items) {
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if (dt.items[0].kind == 'file') {
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var droppedFile = dt.items[0].getAsFile();
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previewAndStageFile(droppedFile);
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} else {
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console.log("no files were found")
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}
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} else {
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console.log("no items were found")
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}
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}
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// prevent the browser's default drag behavior
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function dragover_handler(ev) {
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ev.preventDefault();
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}
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// remove all of the drag data
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function dragend_handler(ev) {
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var dt = ev.dataTransfer;
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if (dt.items) {
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for (var i = 0; i < dt.items.length; i++) {
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dt.items.remove(i);
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}
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} else {
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ev.dataTransfer.clearData();
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}
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}
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/* configure the submit button */
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document.getElementById('publish-submit').addEventListener('click', function(event){
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event.preventDefault();
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// make sure a file was selected
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if (stagedFiles) {
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// make sure only 1 file was selected
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if (stagedFiles.length > 1) {
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alert("Only one file allowed at a time");
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return;
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}
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// make sure the content type is acceptable
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switch (stagedFiles[0].type) {
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case "image/png":
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case "image/jpeg":
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case "image/gif":
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case "video/mp4":
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uploader.submitFiles(stagedFiles);
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break;
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default:
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alert("Only .png, .jpeg, .gif, and .mp4 files are currently supported");
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break;
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}
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}
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})
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/* socketio-file-upload listeners */
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uploader.addEventListener('start', function(event){
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var name = document.getElementById('publish-name').value;
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var license = document.getElementById('publish-license').value;
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var nsfw = document.getElementById('publish-nsfw').value;
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event.file.meta.name = name;
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event.file.meta.license = license;
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event.file.meta.nsfw = nsfw;
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event.file.meta.type = stagedFiles[0].type;
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// re-set the html in the publish area
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document.getElementById('publish-active-area').innerHTML = '<div id="publish-status"></div><div id="progress-bar"></div>';
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// start a progress animation
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createProgressBar(document.getElementById('progress-bar'), 12);
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});
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uploader.addEventListener('progress', function(event){
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var percent = event.bytesLoaded / event.file.size * 100;
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updatePublishStatus('File is ' + percent.toFixed(2) + '% loaded to the server');
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});
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/* socket.io message listeners */
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socket.on('publish-status', function(msg){
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updatePublishStatus(msg);
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});
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socket.on('publish-failure', function(msg){
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document.getElementById('publish-active-area').innerHTML = '<p>' + JSON.stringify(msg) + '</p><p> --(✖╭╮✖)→ </p><strong>For help, post the above error text in the #speech channel on the <a href="https://lbry.slack.com/" target="_blank">lbry slack</a></strong>';
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});
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socket.on('publish-complete', function(msg){
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var publishResults = '<p>Your publish is complete!</p>';
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publishResults += '<p><strong>NOTE: the transaction still needs to be mined by the network before you can access it! This will take a few minutes. To view the transaction on the blockchain explorer click the Transaction ID link below.</strong></p>';
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publishResults += '<p>Your Transaction ID is: <a target="_blank" href="https://explorer.lbry.io/#!/transaction?id=' + msg.result.txid + '">' + msg.result.txid + '</a></p>';
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publishResults += '<p>Your Claim ID is: ' + msg.result.claim_id + '</p>';
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publishResults += '<p>Here is a link to the claim where your asset will be published: <a target="_blank" href="https://spee.ch/' + msg.name + '">spee.ch/' + msg.name + '</a></p>';
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publishResults += '<p>Here is a direct link to where your asset will be stored: <a target="_blank" href="https://spee.ch/' + msg.name + '/' + msg.result.claim_id + '">spee.ch/' + msg.name + '/' + msg.result.claim_id + '</a></p>';
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publishResults += '<p><a href="/">Reload to publish another asset</a></p>';
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document.getElementById('publish-active-area').innerHTML = publishResults;
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});
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module.exports = (app, ua, googleAnalyticsId) => {
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// route to fetch all free public claims
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app.get('/meme-fodder', ({ originalUrl }, res) => {
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app.get('/lbrymemefodder', ({ originalUrl }, res) => {
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logger.debug(`GET request on ${originalUrl}`);
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res.status(200).render('memeFodder');
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});
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<div class="container">
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{{> topBar}}
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{{ image }}
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<div class="row">
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{{> memeMaker}}
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</div>
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<div class="row">
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{{> memeFodderResults}}
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</div>
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</div>
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<script>
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var canvas = document.getElementById('meme-canvas');
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ctx = canvas.getContext('2d');
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<script src="/assets/js/memeDraw.js"></script>
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// set the size
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var img = document.getElementById('start-image');
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var canvasWidth = 400;
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var canvasHeight = 300;
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canvas.width = canvasWidth;
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canvas.height = canvasHeight;
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var topText = document.getElementById('top-text');
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var bottomText = document.getElementById('bottom-text');
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img.onload = function() {
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drawMeme()
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}
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topText.addEventListener('keydown', drawMeme);
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topText.addEventListener('keyup', drawMeme);
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topText.addEventListener('change', drawMeme);
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bottomText.addEventListener('keydown', drawMeme);
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bottomText.addEventListener('keyup', drawMeme);
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bottomText.addEventListener('change', drawMeme);
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function drawMeme() {
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ctx.clearRect(0, 0, canvasWidth, canvasHeight);
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ctx.drawImage(img, 0, 0, canvasWidth, canvasHeight);
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ctx.lineWidth = 4;
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ctx.font = '20pt sans-serif';
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ctx.strokeStyle = 'black';
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ctx.fillStyle = 'white';
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ctx.textAlign = 'center';
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ctx.textBaseline = 'top';
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var text1 = document.getElementById('top-text').value;
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text1 = text1.toUpperCase();
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x = canvasWidth / 2;
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y = 0;
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wrapText(ctx, text1, x, y, 300, 28, false);
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ctx.textBaseline = 'bottom';
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var text2 = document.getElementById('bottom-text').value;
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text2 = text2.toUpperCase();
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y = canvasHeight;
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wrapText(ctx, text2, x, y, 300, 28, true);
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}
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function wrapText(context, text, x, y, maxWidth, lineHeight, fromBottom) {
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var pushMethod = (fromBottom)?'unshift':'push';
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lineHeight = (fromBottom)?-lineHeight:lineHeight;
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var lines = [];
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var y = y;
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var line ='';
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var words = text.split(' ');
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for (var i = 0; i < words.length; i++) {
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var testLine = line + ' ' + words[i];
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var metrics = context.measureText(testLine);
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var testWidth = metrics.width;
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if (testWidth > maxWidth) {
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lines[pushMethod](line);
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line = words[i] + ' ';
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} else {
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line = testLine;
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}
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}
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lines[pushMethod](line);
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for (var k in lines ) {
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context.strokeText(lines[k], x, y + lineHeight * k);
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context.fillText(lines[k], x, y + lineHeight * k);
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}
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}
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</script>
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<script src="/socket.io/socket.io.js"></script>
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<script src="/siofu/client.js"></script>
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<div class="col-md-12">
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<div class="card" id="documentation">
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<div class="card-title card-block grey lighten-1 white-text">
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<h2>Site Navigation</h2>
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<h2>Documentation</h2>
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</div>
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<div class="row">
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<div class="col-md-12">
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<div class="col-md-12">
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<div class="card" id="examples">
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<div class="card-title card-block grey lighten-1 white-text">
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<h2>Examples</h2>
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<h2>What Is Spee.ch?</h2>
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</div>
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<div class="card-block">
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<ul>
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<li class="list-square"><a href="/coconuts">spee.ch/coconuts</a></li>
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<li class="list-square"><a href="/wood">spee.ch/wood</a></li>
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<li class="list-square"><a href="/doitlive">spee.ch/doitlive</a></li>
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<li class="list-square"><a href="/doitlive/all">spee.ch/doitlive/all</a></li>
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<li class="list-square"><a href="/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0">spee.ch/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0</a></li>
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</ul>
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<div class="row">
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<div class="col-md-6" id="contribute">
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<h2>Spee.ch is for sharing</h2>
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<p>Spee.ch is a platform by which you can publish images to the Lbry blockchain. Just upload an image, title it, and send it off into the lbry ecosystem.</p>
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<p>Spee.ch is also a platform to serve you those images. It's like have a personal chef that will serve you a meal anywhere in the world. All you have to do is ask for it, by using "spee.ch/" + the name of a claim.</p>
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<p>If you want a specific image, just ask for it with the claim_id by using "spee.ch/" + the name of the claim + "/" + the claim id.</p>
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</div>
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<div class="col-md-6" id="bugs">
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<h2>Examples</h2>
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<h5>Use spee.ch to serve the top asset at a lbry claim:</h5>
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<a href="/coconuts">spee.ch/coconuts</a><br>
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<a href="/wood">spee.ch/wood</a><br>
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<a href="/doitlive">spee.ch/doitlive</a><br>
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<h5>Use spee.ch to show you all the assets at a lbry claim:</h5>
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<a href="/doitlive/all">spee.ch/doitlive/all</a>
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<h5>Use spee.ch to serve you a specific asset by claim id:</h5>
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<a href="/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0">spee.ch/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0</a>
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</div>
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</div>
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</div>
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</div>
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14
views/partials/memeFodderResults.handlebars
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14
views/partials/memeFodderResults.handlebars
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<div class="col-md-12">
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<div class="card" id="publish">
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<div class="card-title card-block grey lighten-1 white-text">
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<h2>Recent Publishes</h2>
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</div>
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<div class="card-block" id="publish-active-area">
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<div class="row">
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<p>Below are some of the most recent entries published via /meme-fodder</p>
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(pull all the claims published to 'lbryMemeFodder' and display most recent 20 here)
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(maybe a voting system? Is there a way to allow people to donate funds to a claimId so that it will show up higher in the results?)
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</div>
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</div>
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</div>
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</div>
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@ -1,23 +1,46 @@
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<div class="col-md-12">
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<div class="card" id="publish">
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<div class="card-title card-block grey lighten-1 white-text">
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<h2>Meme Generator</h2>
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<h2>/LbryMemeFodder</h2>
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</div>
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<div class="card-block" id="publish-active-area">
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<form id="meme-form" action="" method="" enctype="multipart/form-data">
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<div class="row">
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<p>Congratulations, you found <i>/LbryMemeFodder</i>. Here's the game...</p>
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<p>(1) <i>/LbryMemeFodder</i> will always use the winning public, free image published to <a href="lbry://meme-fodder">lbry://meme-fodder</a>. (meaning the most recent, highest bid). Want to put a different image on the chopping block? Go publish it!</p>
|
||||
<p>(2) Create a meme based on the current claim with the tool below. Think you got a winner? <a href="https://twitter.com/hashtag/LbryMemeFodder" target="_blank">Share it with the community</a> and see what they think!</p>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-md-6">
|
||||
<canvas id="meme-canvas">
|
||||
If you can see this, canvas is not supported.
|
||||
</canvas>
|
||||
<img id="start-image" src="http://spee.ch/meme-fodder" alt="a picture to make your meme with" hidden="true"/>
|
||||
<img id="start-image" src="/meme-fodder" alt="a picture to make your meme with"/>
|
||||
</div>
|
||||
<div class="col-md-6">
|
||||
<input type="text" value="Is it ready?" id="top-text" />
|
||||
<input type="text" value="Who cares, ship it!" id="bottom-text" />
|
||||
<div class="row">
|
||||
<div class="col-md-12">
|
||||
<label for="top-text">Meme:</label>
|
||||
<input id="top-text" type="text" value="Is it ready?" />
|
||||
</div>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-md-12">
|
||||
<input id="bottom-text" type="text" value="Who cares, ship it!" />
|
||||
</div>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-md-12">
|
||||
<label for="meme-name">File Name:</label>
|
||||
<input id="meme-file-name" class="form-control" type="text" value="YourFileName.jpg" />
|
||||
</div>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-md-12">
|
||||
<a id="meme-download-link" download="YourFileName.jpg"><button>Save and Publish</button></a>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</form>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
Loading…
Reference in a new issue