colortrans.h

数字图像处理

#pragma once

class ColorTrans
{
public:
	ColorTrans(void);
public:
	~ColorTrans(void);
public:
	//彩色转换为灰度图象，输出为8位灰度，输入为24位RGB
	bool RGB2Gray8(unsigned char* rgb, unsigned char* gray, int width, int height);
	//8位 灰度 -> 24位
	unsigned char* gray2RGB2(unsigned char* gray, unsigned char* rgb, int width, int height);

	//灰度 24位 -> 8位灰度
	unsigned char* RGB2Gray(unsigned char* gray, unsigned char* rgb, int width, int height);

	//24位RGB -> 灰度（保持24位）
	//void RGBToGray(unsigned char* dib, int width, int height);
};