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This commit is contained in:
Daniel Odendahl Jr
2017-10-13 17:33:29 +00:00
parent 76111000b5
commit 981f59b1b1
40 changed files with 228 additions and 125 deletions
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commands/avatar-edit/greyscale.js
+8 -5
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@@ -33,12 +33,12 @@ module.exports = class GreyscaleCommand extends Command {
size: 512
});
try {
const canvas = createCanvas(512, 512);
const ctx = canvas.getContext('2d');
const { body } = await snekfetch.get(avatarURL);
const avatar = await loadImage(body);
ctx.drawImage(avatar, 0, 0, 512, 512);
const imgData = ctx.getImageData(0, 0, 512, 512);
const canvas = createCanvas(avatar.width, avatar.height);
const ctx = canvas.getContext('2d');
ctx.drawImage(avatar, 0, 0);
const imgData = ctx.getImageData(0, 0, avatar.width, avatar.height);
const { data } = imgData;
for (let i = 0; i < data.length; i += 4) {
const brightness = (0.34 * data[i]) + (0.5 * data[i + 1]) + (0.16 * data[i + 2]);
@@ -47,7 +47,10 @@ module.exports = class GreyscaleCommand extends Command {
data[i + 2] = brightness;
}
ctx.putImageData(imgData, 0, 0);
return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'greyscale.png' }] });
return msg.say({ files: [{
attachment: canvas.toBuffer(),
name: 'greyscale.png'
}] });
} catch (err) {
return msg.say(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
}