计算机图形图象信息转储保存与恢复技术初析

ANALYSIS ON THE SAWING AND RECOVERING INFORMATION IN COMPU TER FIGURE

本文介绍了保存和恢复计算机图形图象信息的原理及图形显示适配器的总体结构和有关参数；分析了读写图形显示内存程序设计的技术；并以保存和恢复通用绘图软件ＡｎｔｏＣＡＤ绘制的图形为例，说明上述的原理和方法。

This paper introduces the principle of sawing and recovering information in computer figure, the overall structure of EGA/VGA and the concerned parameters, It also analysises the technique of reading/writing programme of DRAM. Besides the saving and recovering of the figure drawn by Auto CAD software gives a lively illustration.