pgm图片显示，一种不太用到的图片格式

读入一张BMP各式的图片并能通过键盘来控制图片的显示大小-Read a variety of BMP picture and through the keyboard to control the picture display size

pngcrush 是一个用来批量压缩 PNG 格式图片的工具，使用pngcrush大概可以减少png图像大小 40 左右。-pngcrush is a bulk pngcrush used PNG format image compression tools, the use of pngcrush about png image size can be reduced about 40 .

JPEG文件格式显示-JPEG file format

hi how r u ,h i how r u -hi how r u ,hi how r u ,hi how r u

simple gif cla

一个类似放大镜的程序,可以让初学者练一下编程-a procedure similar to a magnifying glass, allowing beginners to practice what programming

ＶＣ＋＋编写的处理ＢＭＰ文件的代码，对于初学者很有帮助，-prepared by the BMP file handling code, useful for beginners.

jpeg解码程序，以dll方式，用户只要调用相应的接口函数即可-jpeg decoder procedures to dll, call the corresponding user interface function can be

读取BMP文件信息和显示，读取文件头信息，包括大小，长宽，水平和垂直分辨率，彩色数目，实际用到的彩色数目，关键颜色数目，压缩方式，每像素用到的bit数等-to read and display bmp file. output the header information, includnig file size, image width and height, horizontal and verticular resolution, number of color used and number of significant color, compression method, bit count per pixel etc.