BMP图像信息隐藏，在不影响图像正常显示的情况下，在24位真彩色BMP图像中隐藏信息。主要是根据BMP图像的文件结构来实现。BMP图像由文件头，信息头，调色板区和数据区组成，而24位真彩色图像中没有调色板信息。此源码主要是在24位真彩色BMP图像中隐藏信息。-BMP image information hiding, without affecting the normal image display cases, in 24-bit true-color BMP images in the hidden information. Mainly based on the BMP image file structure to achieve. BMP image from the file header, header, palette composed of area and data area, and 24-bit true color image without palette information. This source mainly in the 24-bit true-color BMP images hidden information.