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RGB (r, g, B) is a macro. In fact, what it does is (COLORREF) (BYTE) (r) | (WORD) (BYTE) (g) Rgb (r, g, B) = An integer value = R + G * 256 + B * 255*256 COLORREF is a 32-bit integer value, which represents a color. You can Use RGB correspondence

When drawing a class chart, clarifying the relationship between classes is the focus. Class relationships include Generalization, implementation, Dependency, and Association ). The Association is divided into general association, Aggregation, and

One map internal data organization A red-black tree (a non-strictly balanced binary tree) is built in map. This tree supports automatic data sorting. Therefore, all data in map is ordered, we will see the benefits of order later. 2. map

  My blog: http://blog.csdn.net/xuzhonghai/article/details/7246162 1. Ni2DBuffer This class is a two-dimensional cache class that contains pixels. This type is different from that of NiPixelData. All pixel data is stored in the video memory, and the

Principle Analysis of Skinned Mesh (1)   1) Basic Principles and classification of 3D Model Animation   The basic principle of 3D Model Animation is to change the positions of vertices in the model over time. The main types include Morph animation,

BOOL AnimateWindow (HWND hwnd,DWORD dwTime,DWORD dwFlags); HWnd: Specifies the handle for generating the animation window;DwTime: Specifies the animation duration (in microseconds). The standard time for completing an animation is 200 microseconds;

1. Prerequisites for rendering Open ALPHA Rendering M_pd3dDevice-> SetRenderState (D3DRS_ALPHABLENDENABLE, true );   ALPHA channel must be enabled for polygon rendering constructed by program verticesM_pd3dDevice-> SetTextureStageState (0,

 /// /// 2006-09-03 ke peizong QQ: 813660 /// Function: truncates a certain length of a string and returns /// string to be truncated /// string length to be intercepted /// whether to add a ellipsis when the truncation length is smaller than

  Crazy and depressing ing... I did not see any text when I wrote something yesterday... It's a waste of time. I have to do it again today... how does this CSDN work? Forget it. Let's talk about how it works, typing tired... Because the method I

In the process of continuing to work for my completion, I have no intention but must use the member function pointer. The syntax is always awkward but reasonable. Requirement: You must register A member function (f) of the derived class B in the

This morning, I was idle. I tried to use bjam to compile luaBind. The luabind downloaded directly does not contain bjam, so he thinks the downloaded package is not complete. So I tried bjam with the boost Library (luabind depends on boost

In CoCreateInstance, call CoGetClassObject to obtain IClassFactory (IClassFactory2), and IClassFactory2 call its own CreateInstance or CreateInstanceLic to create a control instance. Here, IClassFactory plays a very important role. Especially in MFC,

A customer asks to customize a dialog box to display a few pieces of data that could be done in just a few minutes, but is suddenly stunned by a request: the customer asks one of the edit boxes to display the percentage, and the decimal point must

In the attribute view of VB, another interesting feature is to list attributes in different categories, such as appearance, behavior, and data. How does this function come from? Can custom attributes in my own controls be listed in these categories?

I want to configure the asm environment for later writing yesterday. I want to see how to use the asm file in vc. I thought it was a very simple problem. The assembler generates the obj file. Then the link from linker is OK. Of course, there is a

# Pragma message pre-compiled instruction usage skills(Hangwire was published on 13:26:58) Generally, # pragma message (messagestring) sends a text string (messagestring) to the standard output window during compilation. A typical method is to

Oracle8i for unixware installation instructions Jason ChenHttp://www.jason314.com Dec 2000 Oracle 8i for unixware 7 is difficult to install. The following is the installation method after N failures.It is not necessarily the optimal method, but it

Keywords: delphi; word; excel; Report;     1. Introduction   When developing applications using delphi, we usually need to design many documents and reports in various formats, and often create, edit, and modify files, although delphi provides a

In the previous chapter, we understand that HuffmanEncoding uses integers and binary digits to encode the symbols. In many cases, this method cannot obtain the optimal compression effect. Assume that the probability of occurrence of a character is 80

Windows seems to provide only one way to start a process: that is, it must be loaded and started from an executable file. The following code provides a method to enable an exe directly from the memory. Purpose: It may be used to protect your exe.