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Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

Base, box, and image

We start with the most basic types:

Here is the VID code:

;-- see Chapter09/base-box-image.red:view [    base    box red    image 140x140 %heads.jpg    below    text "I am a button:"    button %heads.jpg [quit]]

Base is the most primitive of them all. It displays a gray rectangle, but it can respond to a click (on-down) event; it can show an image, and it can be used to draw inside it. A box is like a base, but it is transparent by default, so we give it a color to make it show. 

An image is a base face with a default size of 100 x 100, used to show a picture. Whenever a face has an image file as a facet, it is used as a background image ...

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Publisher Resources

ISBN: 9781789130706Supplemental Content