SunRed/beebot
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Added turtles

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This commit is contained in:
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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64
index.js
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@ -12,11 +12,29 @@ 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) {
function render(template, url, size) {
return new Promise((resolve, reject) => {
console.log("Getting " + url);
if (url) {
@ -39,17 +57,13 @@ function bee(url, size) {
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 beeScale = width / widthTarget; // scale the bee to fit the image
const templateScale = width / template.widthTarget; // scale the template 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) {
resultingHeight -= imgTop;
@ -57,21 +71,25 @@ function bee(url, size) {
}
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" })
}
console.log("Drawing second image")
console.log("Drawing image")
try {
ctx.drawImage(img, resultingImgLeft, resultingImgTop, width, height);
console.log("Drawing done.")
@ -94,8 +112,9 @@ 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
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);
@ -156,13 +175,14 @@ function findEmoji(str) {
client.on('message', function (message) {
console.log(message.cleanContent);
if (message.cleanContent.startsWith("/bee")) {
const commandParsed = /^\/(\w+)\b/.exec(message.cleanContent);
if (commandParsed && templates[commandParsed[1]]) {
// get emoji from message
const emoji = findEmoji(message.cleanContent);
if(emoji) bee(emoji.url).then(canvas => {
if (emoji) render(templates[commandParsed[1]], emoji.url).then(canvas => {
var messageOptions = {
files: [
{attachment: canvas.toBuffer(), name: emoji.name.toUpperCase()+"DETECTED.png"}
{ attachment: canvas.toBuffer(), name: emoji.name + commandParsed[1] + ".png" }
]
}
message.channel.send("", messageOptions);