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Image::Magick

How to add watermark on the image through Ubuntu terminal

2019-04-03
In: L.A.M.P.
Tagged: composite, Image::Magick, jpg, watermark

This how-to is tell you how to add a watermark on the image file. The image file is youtube.jpg, 1024×768. I would like to add a watermark to the youtube.jpg. The watermark is a small picture.  Continue Reading

The way to check if JPEG file is progressive or not

2015-02-04
In: Web & Network
Tagged: how-to, Image::Magick, jpeg, progressive

There are two type of JPEG picture file. Regular JPEG, or baseline JPEG. Progressive JPEG, or Interlace JPEG. It is very common, same quality picture, progressive jpeg is smaller than regular jpeg. And also progressive jpeg can show the content when the picture is download. This kind of show isContinue Reading

Why thumbnail png file is bigger after original png

2010-10-14
In: Notes of MovableType
Tagged: "file size", dreamhost, Image::Magick, MovableType, thumbnail

I use png format picture file sometimes. It is OK when I upload the file into MovableType platform. I choose make thumbnail to 400px width from about 700px. Perl ImageMagick engine will create thumbnail file. The blog software will generate html code and put into editor body. Everything looks find.Continue Reading

Install the Perl Image::Magick on Centos

2010-09-23
In: Notes of MovableType
Tagged: how-to, Image::Magick, installation, module, MovableType, perl

I have an VPS at Burst.net. I pick up Centos 5.5 installation. To make MovableType work on it, I have to install Perl module Image::Magick. The image thumbnail feature will be disabled if no Image::Magick installed. Every time I do it, I always have the problem to install it. NowContinue Reading



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