framebuffer.h

可以在linux下显示显示图片的小程序。

#ifndef FRAMEBUFFER_H
#define FRAMEBUFFER_H

#include <linux/fb.h>

typedef union
{
	unsigned short _c16;
	struct {
		unsigned short b;
		unsigned short g;
		unsigned short r;
	} _c565;
} rgb;

/*
函数名:closeFrameBufferDevice
功  能:
参  数:
返回值:
*/
int closeFrameBufferDevice(int fbFd);
int openFrameBufferDevice(void);
int getFrameBufferInfo(int fbFd, struct fb_var_screeninfo *vsinfo);
int frameBufferOffset(struct fb_var_screeninfo *vsinfo, int x, int y);
int readPixelToFrameBuffer(int fbFd, int offset, rgb *color);
int writePixelToFrameBuffer(int fbFd, int offset, rgb *color);


#endif