By Sohail Salehi
Unharness the facility of ImageMagick with this speedy, pleasant educational and guidance guide
Complete instructional and a gallery of tips and techniques
Create awesome photo manipulations and animations on-the-fly from the command line or inside of your programs
Complete PHP-based pattern functions convey tips on how to use ImageMagick so as to add pizzazz your internet site
In aspect The publication is choked with fascinating and enjoyable examples. We had loads of enjoyable arising with cool how you can show ImageMagick's energy, and we are yes you will have enjoyable studying tips to create them.
Although the broadcast publication is in black and white, there's a complete color PDF of the screenshots freely to be had that incorporates the entire photographs within the publication. Use it to work out precisely what the ImageMagick results appear like in color, or flick through it and notice simply what you will discover ways to do with this book.
ImageMagick is a loose software program suite to create, edit, and compose bitmap photos utilizing text-based instructions. The instructions may be issued from the command line, yet extra usually may be integrated in internet or machine purposes - undertaking advanced image-manipulation projects based on the user's input.
ImageMagick is a well-liked approach for producing photographs on-the-fly in websites, no matter if it truly is producing thumbnails from a wide photo, or growing complicated mixtures of pictures, textual content, and results selected through a customer or the internet site's creator.
What you'll examine from this book?
Understand what ImageMagick can do and why you'll want to use it
Install the ImageMagick software program by yourself desktop or a server, and comprehend your approach round it
Create fascinating textual content results and convey eye catching trademarks and headings to be used on your pages or applications
Slice, cube, and clear out your photos flip uncomplicated pictures into mind-bending designs and illusions
Create thumbnails via changing dossier kinds, resizing, and cropping to constant measurement, element ratio, and layout. Or create entire picture catalogues with thumbnails, dossier names, and knowledge mixed in one image.
Make your photographs glance 3D with smart program of blurs, displacements, and masks
Extract info out of your documents comparable to measurement, compression degrees, and resource details
Use ImageMagick to create GIF animations, from uncomplicated slideshows to sluggish morphs and effects
Generate ImageMagick scripts in MSL utilizing the conjure utility
Write net purposes akin to a sophisticated e-card generator, or even create your individual Packt booklet cover!
Crystal transparent reasons - this may be Magick, yet there is no smoke and mirrors!
Approach
Sohail Salehi is an skilled special effects artist, operating with second, 3D, and video portraits. The publication exhibits his strategies in motion. this can be no hard stroll via of ImageMagick, with one uninteresting instance after one other. The chapters include workshops, each utilising a suite of ImageMagick instructions to supply unbelievable and intriguing effects. As you learn the booklet, you are going to research the good points of ImageMagick in addition to getting plenty of concept and concepts for the way you should use it on your personal initiatives. you can be surprised by means of the inventive effects you could in attaining utilizing code.
Read Online or Download ImageMagick Tricks: Unleash the power of ImageMagick with this fast, friendly tutorial and tips guide PDF
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Extra resources for ImageMagick Tricks: Unleash the power of ImageMagick with this fast, friendly tutorial and tips guide
Example text
But what can we do if we were looking for a pixilated resize operation? Another alternative to the resize task in ImageMagick is the –sample option. Here is the usage: -sample widthxheight{+-}x{+-}y The width and height specify image dimension. In the next example we will see the usage of these two resizing options. jpg It will create a little image (30x20) so let's enlarge it using the options that we are already familiar with. jpg In this example using 900% as the parameter of –resize will enlarge it to nine times its original size (Fig 3-26b).
In the –implode option we can set the blowing status using negative values. gif Fig 3-14: Making an Exploding Effect by using Negative Values (-3) in the -implode Option Another deformation in ImageMagick parameters is –swirl. As its name shows we can use it to create spiral effects in the middle of the current image. It has only one parameter, which is used for degrees of spiral. Use positive values for counter clockwise and negative values for clockwise rotation. [ 37 ] Convert and Mogrify The -wave option is another deformation option.
We are going to design the Packt Publishing logo in this workshop. Take a look at the Packt logo on the cover of this book and try to guess what primitives can be used to implement it. 1. gif. gif is three hundred pixels wide and one fifty pixels high and the background color is white. Note that the xc: parameter is empty. 2. Draw two black vertical rectangles on the left and right sides of the image. gif Let's examine this command. gif, draw two vertical rectangles and save the result by specifying the name at the end of the command.