gaussnoise.cpp

来自「图像处理基础知识编写的这些程序对新手非常有帮助！4) 对图像进行离散余弦变换处理」· C++ 代码 · 共 35 行

#define EXTRA_NAME "@gaussnoise."
#include "loadbmp.h"

void Gauss_Noise()
{
	if (lpBitmap==0) return;
	int x,y,p;
	BYTE Point;
	srand((unsigned)time(NULL));
	for(y=0;y<nHeight;y++)
	{
		for(x=0;x<nWidth;x++)
		{
			Point=rand()/1024;
			p=x*3+y*nByteWidth;
			lpBits[p+2]=lpBits[p+2]*224/256+Point;
			lpBits[p+1]=lpBits[p+1]*224/256+Point;
			lpBits[p]=lpBits[p]*224/256+Point;
		}
	}
}

void main(int argc, char *argv[])
{
	if(argc==2)
		FileName=argv[1];
	else
		return;	
	OpenFile();
	Gauss_Noise();
	SaveAs();
}