The Online Manual “man” ............................35
The Online Info Documentation .........................37
Other Ways of Finding Information .......................38
Summary.......................................38
Chapter 2 Accessing the Screen ..................39
Overview.......................................39
X Programming ...................................39
The Role of X...................................39
Structure of an X Program ............................43
Xlib, the X Toolkit, and the Xt Intrinsics ...................45
Connecting to the X Server ..........................46
Creating and Mapping the Window ......................48
Receiving X Events ..............................50
Responding to X Events ............................51
Critique of the Sample Program........................54
An Object-Oriented Rewrite ...........................55
An Abstract Application Class ........................59
A Concrete Application Class .........................60
Factory Design Pattern ............................60
An Application Factory and Factory Manager ................62
Execution of the Main Program ........................63
Object-Oriented: Is It Worth It? ........................64
Introduction to XImages .............................65
A Practical Example of OO Reuse ......................66
Running the New Subclassed Program ....................68
New Classes ..................................69
X Server Depth and Visual Class .......................74
Graphics and Double Buffering with XImages ................76
Requesting Notification for All Events ....................78
Visual Event Display .............................78
Summary....................................79
Displaying Graphics in XImages ........................79
Random Dots .................................79
A Word on Animation .............................83
Summary....................................83
Picture Elements—Pixels ............................84
2D Pixel Coordinates .............................84
Byte-to-Pixel Correspondence ........................86
Colors and XImages ..............................88
Developing Reusable Graphics Classes: l3d Library................92
Sample Program Using l3d............................93
l3d Directory Structure ............................96
Fundamental l3d Concepts ..........................97
Overview of l3d Classes ............................104
iv Contents
zhangyi_bac2014-03-30资料不错,比较有用.
per_sian_08762013-04-27资料非常好，感谢楼主分享。
