#png — Public Fediverse posts

Not actually back yet, just wanted to toot this for fun... ;)

Raw (TGA/Targa format) 1200ppi US Letter scan: 381MiB
PNG version: 27MiB
After contrast enhancement: 2.3MiB
After reducing to 10 colors: 1.2MiB
After re-doing reduction, first converting to grayscale: 1001KiB
Reducing to 4 shades of gray (from original 256-shade image): 727KiB
Reducing to monochrome (no perceptible loss in quality): 556KiB
Conversion to PDF + OCR with aggressive JBIG2 compression: 264KiB

Overall compression factor from original scan: 1480.6:1

Overall compression factor from uncompressed monochrome version of scan: 61.7:1

Overall lossless compression factor (uncompressed monochrome to PNG monochrome): 29.2:1

Lossless compression factor for full-color image: 14:1

Data compression is a heck of a thing. ;)

#DataCompression #Compression #PNG #JBIG #JBIG2

为GoToSocial添加自定义表情包 :message:

本文一共八张图片

下载表情包： :Love:

1. 各种小表情meme，动态静态都有： https://slackmojis.com/
2. 哔哩哔哩Lv0到Lv6硬核会员：https://i0.hdslb.com/bfs/seed/jinkela/short/webui/user-profile/img/level_0.svg - https://i0.hdslb.com/bfs/seed/jinkela/short/webui/user-profile/img/level_h.svg
3. 哔哩哔哩表情包（付费那种，而且还在更新）：https://github.com/ccmuyuu/bilibili-emotes 适合搭配 https://minhaskamal.github.io/DownGit/#/home 下载目录
4. 风格化的表情，主要还是类似emoji而非表情包： https://mutant.tech/
5. 蓝豆表情包，适合抽象人士： https://bluemoji.io/
6. 表情符号资源网站： https://emojipedia.org/
7. 主要是颜文字，复制粘贴很方便： https://emojidb.org/meme-emojis
8. 用豆包的seedream AI生成N创表情包： https://www.doubao.com/chat/create-image
9. Lobehub对于IT人员很不错： https://lobehub.com/zh/icons

压缩处理表情包： :shy:

1. 各种图片，我常用于处理GIF： https://imagestool.com/
2. 专业处理GIF： https://ezgif.com/
3. 主要用于处理非动态图片，效果特别好： https://squoosh.app/

从其他服务器“窃取”表情包： :creating:

1. 一个用于从本地目录或远程实例将自定义表情符号导入 GoToSocial 的小工具: ： https://codeberg.org/pswilde/gts_emoji_importer

#gotosocial #mastodon #fediverse #bilibili #ezgif #mygo #mujica #imagestool #ezgif #gif #png #jpg #webp #squoosh #icon #logo
@board