Cause I can
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4bb88b8296
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1 changed files with 89 additions and 75 deletions
70
index.js
70
index.js
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@ -34,18 +34,7 @@ for(templateName in templates) {
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}
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function render(template, url, size) {
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return new Promise((resolve, reject) => {
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console.log("Getting " + url);
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if (url) {
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request.get({ url: url, encoding: null }, function (e, r, data) {
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if (e) {
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reject({ status: (r && r.statusCode || 500), error: e });
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return;
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}
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var img = new Image();
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img.src = data;
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console.log("image loaded");
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function render(template, img, size) {
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var width = img.width;
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var height = img.height;
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if (size && size.height) {
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@ -82,7 +71,7 @@ function render(template, url, size) {
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var canvas = new Canvas(resultingWidth, resultingHeight);
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var ctx = canvas.getContext("2d");
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console.log("Drawing template")
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console.log("Drawing template "+template.template)
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try {
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ctx.drawImage(template.image, resultingTemplateLeft, resultingTemplateTop, template.image.width * templateScale, template.image.height * templateScale);
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console.log("Drawing done.")
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@ -99,12 +88,7 @@ function render(template, url, size) {
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}
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// return the image and cache it
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resolve(canvas);
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});
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} else {
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reject({ status: 400, error: "No url specified" });
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}
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});
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return(canvas);
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}
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const circleScale = 0.4;
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@ -112,9 +96,9 @@ const lineWidthScale = 0.2;
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const lowerRightFactor = 0.5 + 0.7071 * circleScale; // %-ual location of the lower right end of the strikethrough line
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const upperLeftFactor = 0.5 - 0.7071 * circleScale; // %-ual location of the upper left end of the strikethrough line
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app.get("/:templateName/", function (req, res) {
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app.get("/:templateName/", async function (req, res) {
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if(!templates[req.params.templateName]) return res.status(404).end();
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render(templates[req.params.templateName], req.query.url).then((canvas) => {
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render(templates[req.params.templateName], await loadImage(req.query.url)).then((canvas) => {
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console.log(canvas)
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res.setHeader('Content-Type', 'image/png');
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canvas.pngStream().pipe(res);
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@ -173,19 +157,49 @@ function findEmoji(str) {
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return unicodeEmoji;
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}
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client.on('message', function (message) {
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function loadImage(url) {
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return new Promise((resolve, reject) => {
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console.log("Getting " + url);
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if (url) {
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request.get({ url: url, encoding: null }, function (e, r, data) {
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if (e) {
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return reject({ status: (r && r.statusCode || 500), error: e });
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}
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var img = new Image();
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img.src = data;
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resolve(img);
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})
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}
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});
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}
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client.on('message', async function (message) {
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console.log(message.cleanContent);
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const commandParsed = /^\/(\w+)\b/.exec(message.cleanContent);
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if (commandParsed && templates[commandParsed[1]]) {
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// get emoji from message
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const messageSplit = message.cleanContent.split(" ");
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const emoji = findEmoji(message.cleanContent);
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if (emoji) render(templates[commandParsed[1]], emoji.url).then(canvas => {
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let result = null;
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try {
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if (emoji) {
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let name = emoji.name;
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for (var i = 0; i < messageSplit.length && i<3; ++i) {
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const commandParsed = /^\/(\w+)\b/.exec(messageSplit[i]);
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if (commandParsed && templates[commandParsed[1]]) {
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name += commandParsed[1];
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if (result === null) result = await loadImage(emoji.url);
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result = render(templates[commandParsed[1]], result);
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}
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}
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if (result) {
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var messageOptions = {
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files: [
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{ attachment: canvas.toBuffer(), name: emoji.name + commandParsed[1] + ".png" }
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{ attachment: result.toBuffer(), name: name + ".png" }
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]
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}
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message.channel.send("", messageOptions);
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});
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}
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}
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} catch(err) {
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console.error(err);
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}
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});
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