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Added turtles

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CBenni 2017-12-10 15:03:09 +01:00
parent 76a9510a7f
commit 4bb88b8296
2 changed files with 86 additions and 66 deletions
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152
index.js
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@ -3,7 +3,7 @@ var request = require("request");
var Discord = require('discord.js');
const Canvas = require("canvas");
const Image = Canvas.Image;
const Image = Canvas.Image;
const twemoji = require("./twemoji");
@ -12,100 +12,119 @@ var config = require("./config");
var cache = {};
const beeTemplate = new Image();
beeTemplate.src = "./BeeTemplate.png";
templates = {
bee: {
template: "./BeeTemplate.png",
leftOffset: 475,
widthTarget: 600,
bottomTarget: 530
},
turtle: {
template: "./TurtleTemplate.png",
leftOffset: 210,
widthTarget: 150,
bottomTarget: 150
}
}
for(templateName in templates) {
const data = templates[templateName];
data.image = new Image();
data.image.src = data.template;
}
function bee(url, size) {
return new Promise((resolve,reject)=>{
console.log("Getting "+url);
if(url) {
request.get({url:url, encoding: null}, function(e, r, data) {
if(e) {
reject({status: (r && r.statusCode || 500), error: e});
return;
function render(template, url, size) {
return new Promise((resolve, reject) => {
console.log("Getting " + url);
if (url) {
request.get({ url: url, encoding: null }, function (e, r, data) {
if (e) {
reject({ status: (r && r.statusCode || 500), error: e });
return;
}
var img = new Image();
img.src = data;
console.log("image loaded");
var width = img.width;
var height = img.height;
if(size && size.height) {
if (size && size.height) {
height = size.height;
if(!size.width) width = width * size.height / img.height;
if (!size.width) width = width * size.height / img.height;
}
if(size && size.width) {
if (size && size.width) {
width = size.width;
if(!size.height) height = height * size.width / img.width;
if (!size.height) height = height * size.width / img.width;
}
const leftOffset = 475.0; // relative to bee template width
const widthTarget = 600.0; // relative to bee template width
const bottomTarget = 530; // relative to bee template height
const templateScale = width / template.widthTarget; // scale the template to fit the image
const beeScale = width / widthTarget; // scale the bee to fit the image
const resultingWidth = beeTemplate.width * beeScale;
let resultingHeight = beeTemplate.height * beeScale;
let resultingWidth = template.image.width * templateScale;
let resultingHeight = template.image.height * templateScale;
let imgTop = bottomTarget * beeScale - height; // naive top center position
let imgTop = template.bottomTarget * templateScale - height; // naive top center position
if(imgTop < 0) {
if (imgTop < 0) {
resultingHeight -= imgTop;
imgTop = 0;
}
const resultingImgTop = imgTop;
const resultingImgLeft = leftOffset * beeScale - width / 2.0;
const resultingImgLeft = template.leftOffset * templateScale - width / 2.0;
const resultingBeeTop = resultingHeight - beeTemplate.height * beeScale;
const resultingBeeLeft = 0.0;
if(resultingImgLeft + width > resultingWidth) {
resultingWidth = resultingImgLeft + width;
}
const resultingTemplateTop = resultingHeight - template.image.height * templateScale;
const resultingTemplateLeft = 0.0;
var canvas = new Canvas(resultingWidth, resultingHeight);
var ctx = canvas.getContext("2d");
console.log("Drawing first image")
console.log("Drawing template")
try {
ctx.drawImage(beeTemplate, resultingBeeLeft, resultingBeeTop, resultingWidth, beeTemplate.height * beeScale);
ctx.drawImage(template.image, resultingTemplateLeft, resultingTemplateTop, template.image.width * templateScale, template.image.height * templateScale);
console.log("Drawing done.")
} catch(err) {
reject({status: 400, error: "Invalid template"})
} catch (err) {
reject({ status: 400, error: "Invalid template" })
}
console.log("Drawing second image")
console.log("Drawing image")
try {
ctx.drawImage(img, resultingImgLeft, resultingImgTop, width, height);
console.log("Drawing done.")
} catch(err) {
} catch (err) {
console.error(err);
reject({status: 400, error: "Invalid image"})
reject({ status: 400, error: "Invalid image" })
}
// return the image and cache it
resolve(canvas);
});
} else {
reject({status: 400, error: "No url specified"});
reject({ status: 400, error: "No url specified" });
}
});
}
const circleScale = 0.4;
const lineWidthScale = 0.2;
const lowerRightFactor = 0.5 + 0.7071*circleScale; // %-ual location of the lower right end of the strikethrough line
const upperLeftFactor = 0.5 - 0.7071*circleScale; // %-ual location of the upper left end of the strikethrough line
const lowerRightFactor = 0.5 + 0.7071 * circleScale; // %-ual location of the lower right end of the strikethrough line
const upperLeftFactor = 0.5 - 0.7071 * circleScale; // %-ual location of the upper left end of the strikethrough line
app.get("/bee/", function(req, res) {
bee(req.query.url).then((canvas)=>{
app.get("/:templateName/", function (req, res) {
if(!templates[req.params.templateName]) return res.status(404).end();
render(templates[req.params.templateName], req.query.url).then((canvas) => {
console.log(canvas)
res.setHeader('Content-Type', 'image/png');
canvas.pngStream().pipe(res);
}).catch((err)=>{
}).catch((err) => {
res.status(err.status).end(err.error);
})
});
app.listen(3002, function () {
console.log('Beebot app listening on port 3002!')
console.log('Beebot app listening on port 3002!')
})
@ -114,26 +133,26 @@ app.listen(3002, function () {
var client = new Discord.Client({
autoReconnect: true
autoReconnect: true
});
// manage roles permission is required
const invitelink = 'https://discordapp.com/oauth2/authorize?client_id='
+ config.discord.client_id + '&scope=bot&permissions=0';
+ config.discord.client_id + '&scope=bot&permissions=0';
const authlink = 'https://discordapp.com/oauth2/authorize?client_id='
+ config.discord.client_id + '&scope=email';
console.log("Bot invite link: "+invitelink);
+ config.discord.client_id + '&scope=email';
console.log("Bot invite link: " + invitelink);
client.login(config.discord.token).catch(function (error) {
if (error) {
console.error("Couldn't login: ", error);
process.exit(15);
}
if (error) {
console.error("Couldn't login: ", error);
process.exit(15);
}
});
function findEmoji(str) {
const discordEmote = /<:(\w+):(\d+)>/g.exec(str)
if(discordEmote) {
if (discordEmote) {
return {
name: discordEmote[1],
id: discordEmote[2],
@ -142,10 +161,10 @@ function findEmoji(str) {
}
let unicodeEmoji;
twemoji.parse(str, (name, emoji) =>{
if(unicodeEmoji) return false;
twemoji.parse(str, (name, emoji) => {
if (unicodeEmoji) return false;
unicodeEmoji = {
name,
name,
id: name,
url: emoji.base + emoji.size + "/" + name + emoji.ext
}
@ -156,16 +175,17 @@ function findEmoji(str) {
client.on('message', function (message) {
console.log(message.cleanContent);
if (message.cleanContent.startsWith("/bee")) {
// get emoji from message
const emoji = findEmoji(message.cleanContent);
if(emoji) bee(emoji.url).then(canvas => {
var messageOptions = {
files: [
{attachment: canvas.toBuffer(), name: emoji.name.toUpperCase()+"DETECTED.png"}
]
}
message.channel.send("", messageOptions);
});
}
const commandParsed = /^\/(\w+)\b/.exec(message.cleanContent);
if (commandParsed && templates[commandParsed[1]]) {
// get emoji from message
const emoji = findEmoji(message.cleanContent);
if (emoji) render(templates[commandParsed[1]], emoji.url).then(canvas => {
var messageOptions = {
files: [
{ attachment: canvas.toBuffer(), name: emoji.name + commandParsed[1] + ".png" }
]
}
message.channel.send("", messageOptions);
});
}
});