May 1990
Beginner
723 pages
17h 35m
English
book
X Window System User's Guide for X11 R3 and R4 of the X Window System
by Valerie Quercia, Tim O'Reilly
Content preview from X Window System User's Guide for X11 R3 and R4 of the X Window System
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6
Graphics Utilities
This chapter describes how to use the major graphics clients included with X, notably the bitmap editor.
In This Chapter:
Creating Icons and Other Bitmaps
Acting on the Entire Grid: Clear All, Set All, Invert All
Acting on an Area: Clear Area, Set Area, Invert Area
Copy Area, Move Area, Overlay Area
Drawing: Line, Circle, Filled Circle
Filling in a Shape: Flood Fill
Hot Spots: Set Hot Spot, Clear Hot Spot
Saving and Quitting: Write Output, Quit
Creating a Bitmap from a Cursor
6
Graphics Utilities
The standard release of X includes four utilities to help you create bitmap images: bitmap, bmtoa, atobm, and xmag. The most powerful and useful of these clients is bitmap, a program that lets you create and edit bitmap files. The following sections include detailed instructions for using the bitmap client.
The bmtoa and atobm clients are programs that convert bitmaps to arrays (of ASCII characters) and arrays to bitmaps. They are used to facilitate printing and file manipulation and can help you convert a font character to a bitmap.
In a sense, the xmag client is a desk accessory for graphics programs. This client is used to magnify a portion of the screen, assisting you in creating images with a graphics editor, such as bitmap.
Creating Icons and Other Bitmaps
The bitmap program allows ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.