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2008/03/04 15:05

Using Direct Draw Clippers

Overview

Clippers allow you to restrict which portions of a surface can be blitted to at a particular point of program execution. This is accomplished by specifying one or more rectangles in which blitting can occur, known as a clip list.

Direct Draw Clippers should definitely be used in place of software algorithms that perform clipping, because Direct Draw Clippers will take advantage of video hardwar

类别:Windows Application | 评论(3) | 浏览()
 
2008/03/04 15:04

Blitting to a Surface Using Direct Draw

Overview

Direct Draw allows you to manipulate surfaces by copying data to it through a block transfer, popularly known as a blit. A block transfer is simply copying one region of memory to another. In the case of Direct Draw, however, both the source and the destination of the blit are Direct Draw surfaces.

Direct Draw allows you to take advantage of video hardware acceleration capabilitie

类别:Windows Application | 评论(0) | 浏览()
 
2008/03/04 15:03

Direct Draw Surfaces

Overview

A Direct Draw surface is simply a linear block of display memory. Surfaces can be copied, manipulated, and destroyed. This document describes Direct Draw surfaces and how to use them. You should have read Direct Draw Initialization prior to reading this document.

Performance Considerat

类别:Windows Application | 评论(0) | 浏览()
 
2008/03/04 15:01

Direct Draw Initialization

Overview

Before you can use Direct Draw to manipulate the screen, you must first perform some initialization. This document describes the necessary and optional steps involved in Direct Draw initialization. See a reference for missing information about parameters, return values, etc.

Initialization Steps

1. (Optional) Enumerate the display devices on the target system by in
类别:Windows Application | 评论(0) | 浏览()
 
2008/02/28 17:20
http://bbs.hoopchina.com/htm_data/44/0802/300825.html
听译者:Mythri
注:括号内为作者自己的话


Morey:感谢大家能够出席今天的新闻发布会,Yao Ming因为左足应力性骨折本赛季将不会
重返赛场了,今天对于整个球队和我们的球迷来说都是灾难性的一天,之前球队一直有着非
常优异的表现,而他则在那段时间的表现里到了至关重要的作用,尽管如此,我们对冲击季
后赛仍然感到很有信心,之前Yao缺席的那段时间里我们也曾打出了非常好的成绩,教练组
和球员们也对我们能够继续这种表现、打入季后赛
类别:Nothing | 评论(0) | 浏览()
 
2008/02/22 10:38

位运算

一、位运算概述

位运算的特点:运算按二进制逐位进行——没有借位和进位。

运算量——整型/字符型

类别:c/c++ | 评论(0) | 浏览()
 
2008/01/25 14:26

Purpose and Related Topics

Microsoft Windows operating systems have a common architecture to deliver the necessary capabilities for power management of individual devices. However, specific requirements are implied for hardware.

This paper describes these bus- and device-class-specific hardware requirements. This information is intended to serve as a guide for development of bus and device specifications or for modifications to existing specifications that will enab

类别:Windows Driver | 评论(0) | 浏览()
 
2008/01/22 19:47

发信人: thiefkid (怪盗KID), 信区: ASM_MC
标 题: 专题二:DOS下进入保护模式的研究1--key.asm
发信站: BBS 水木清华站 (Thu Oct 30 20:35:49 2003), 转信

CODE    SEGMENT
        ASSUME CS:CODE,DS:CODE

;Shift未按下时的ScanCode到ASCII码的转换表,若无对应ASCII码,则值为0
Scan2Ascii      LABEL   BYTE
      

类别:Dos | 评论(1) | 浏览()
 
2008/01/22 19:44

发信人: thiefkid (怪盗KID), 信区: ASM_MC
标 题: 专题二:DOS下进入保护模式的研究一
发信站: BBS 水木清华站 (Thu Oct 30 20:34:44 2003), 转信

专题二:DOS下进入保护模式的研究1

    之前的专题一是关于bootloader的,我个人认为是没什么意思,也就先不管了,还是写
保护模式编程比较有意思:)
    保护模式,是Intel开发386时为了向下兼容而搞出的别扭的东西,不仅名字听起来就不
舒服,而且真正对其进行编程和使用也极

类别:Dos | 评论(1) | 浏览()
 
2008/01/22 19:41

Overview

What is D?

D is a general purpose systems and applications programming language. It is a higher level language than C++, but retains the ability to write high performance code and interface directly with the operating system API's and with hardware. D is well suited to writing medium to large scale million line programs with teams of developers. D is easy

类别:Nothing | 评论(0) | 浏览()
 
2008/01/21 17:33

C++ with its object features appears to be a natural match for the semantics of Microsoft Windows Driver Model (WDM) and Windows Driver Foundation (WDF) drivers. However, some C++ language features can cause problems for kernel-mode drivers that can be difficult to find and solve. To help you make an informed choice, this paper shares current insights and recommendations from Microsoft’s ongoing investigation of using C++ to write kernel-mode drivers for the Windows family o

类别:Windows Driver | 评论(0) | 浏览()
 
2008/01/20 18:17
Alicia Keys简介:

关键词:singer; songwriter; pianist; music producer

Alicia Keys于1981年1月25日出生在美国纽约市市区的黑人住宅区,原名Alicia Augello Cook。Alicia Keys是美国R&B音乐界在进入新世纪之后冉冉升起的一名新生代女歌手,出道以来就以其与年龄不相称的成熟和才华取得了非常令人惊异的成就,成 为新一代R&B女歌星中的最杰出的代表。尽管年纪轻轻,但是Alicia Keys的创作才华以及富有的创新精神,使她敢于大胆的对自己的音乐做出改变,融合R&B,爵士,hip-hop,对于传统的灵
类别:Music | 评论(0) | 浏览()
 
2008/01/17 14:24

概要

对于那些可以自行注册的对象链接和嵌入 (OLE) 控件(例如动态链接库 (DLL) 文件或 ActiveX 控件 (OCX) 文件),您可以使用 Regsvr32 工具 (Regsvr32.exe) 来将它们注册和取消注册。这对于解决 Windows、Microsoft Internet Explorer 或其他程序的某些问题可能是必要的。例如,以下 Microsoft 知识
类别:Os | 评论(0) | 浏览()
 
2008/01/11 13:37

对热衷于升级的朋友们来说,虚拟机是他们非常喜爱的工具,因为仅仅利用硬盘上的一些空间,就可以模拟出一台全新的“裸机”,有硬盘、软驱、光驱、声 卡、网卡等硬件设备,然后在其中完成硬盘分区、格式化、系统安装、软件试用、体验病毒等等高风险操作——你根本不用担心在虚拟机上进行的操作会对系统造成 什么伤害,因为这一切只不过是“黑客帝国”中的虚拟世界而已!

VMware、Virtual PC这两款软件几乎是虚拟机世界的代名词,但它们对系统配置的要求都非常高。不久前在Linux论坛上看到

类别:Os | 评论(0) | 浏览()
 
2008/01/11 13:34

检测内存泄露

       前面提到了Visual C++内置的内存泄漏检测工具的工作原理。与该原理相同,因为全局变量以构造的相反顺序析构,在

类别:c/c++ | 评论(0) | 浏览()
 
     
 
 
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