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[VC/MFC] VCPP-GDI-zuo-biao-ji-ying-yong DL : 1: 在Windows应用程序中，只要进行绘图，就要使用GDI坐标系统。 Windows提供了几种映射方式，每一种映射都对应着一种坐标系。例如，绘制图形时，必须给出图形各个点在客户区的位置，其位置用x　和y两个坐标表示，x　表示横坐标，y表示纵坐标。在所有的GDI绘制函数中，这些坐标使用的是一种“逻辑单位”。当GDI函数将结果输出送到某个物理设备上时，Windows将逻辑坐标转换成设备坐标（如屏幕或打印机的像素点）-In the Windows application, as long as the drawing, we must use the GDI coordinate system. Windows provides several mapping methods, each mapping corresponds to a coordinate system. For example, when drawing a graph, you must give the position of each point of the graph in the client area. The position is represented by two coordinates of x and y, x for the abscissa, and y for the ordinate. In all GDI drawing functions, these coordinates use a logical unit . When the GDI function sends the result output to a physical device, Windows converts the logical coordinates into device coordinates (such as the screen or the printer s pixels)
Date : 2025-12-25 Size : 351kb User : feixiang
[VC/MFC] SelfBrowser DL : 0: 1．客户端HTTP请求 HTTP请求可以由多行组成，但最后一行必须是空行，“HTTP版本号”常为HTTP/1.0或HTTP/1.1。“请求头信息”是可选项，用于向服务器提供客户端的其他信息 2．服务器HTTP应答服务器在处理完客户的请求之后，要向客户发送响应消息，“响应头”是服务器向客户方提供请求文档信息或服务器的状态信息 3.主页（1）一个Web服务器的最高级别的页面。（2）某一个组织或部门的一个定制的页面或目录。从这样的页面可链接到Internet上与本组织或部门有关的其他站点。（3）由某一个人自己设计的描述他本人情况的Web页。(1. client HTTP request The HTTP request can be composed of multiple rows, but the last line must be blank line, and the HTTP version number is often HTTP/1.0 or HTTP/1.1. "Request header information" is an optional option to provide clients with additional information about the client 2. server HTTP response After processing the customer's request, the server sends the response message to the customer, and the response head is the server to provide the request document information or the server's status information to the customer 3. Homepage (1) the highest level page of a Web server. (2) a customized page or directory of an organization or department. From this page, you can link to other sites on the Internet that relate to the organization or department. (3) a Web page designed by a person to describe his own situation.)
Date : 2025-12-25 Size : 26.87mb User : 七月——