去年暑假无聊搞的小项目
#include <graphics.h>
#include <conio.h>
#include <stdio.h>
#include<iostream>
using namespace std;
int width,hight;
IMAGE photo1;
const int N=2000,M=2000;//Warning!!!: change this number to match the picture
COLORREF ys0[N][M],ys1[N][M],ys2[N][M],ys3[N][M],ys4[N][M];
void huoqu()//获取颜色
{
for(int i=0;i<width;++i)
for(int j=0;j<hight;++j)
ys0[i][j]=getpixel(i,j);
}
void quse_fanxiang()//去色+反向
{
for(int i=0;i<=width;++i)
for(int j=0;j<hight;++j)
{
int r = GetRValue(ys0[i][j]);
int g = GetGValue(ys0[i][j]);
int b = GetBValue(ys0[i][j]);
int minn=min(min(r,g),b),maxx=max(max(r,g),b);
ys1[i][j]=RGB((minn+maxx)/2,(minn+maxx)/2,(minn+maxx)/2);//去色
}//(r*299+g*587+b*114+1000)/500
//FlushBatchDraw();//后期处理
//return;
for(int i=0;i<=width;++i)
for(int j=0;j<hight;++j)//反向
{
int r = GetRValue(ys1[i][j]);
ys2[i][j]=RGB(255-r,255-r,255-r);
}
}
void lvjing()
{
int radius=2;
for(int i=0;i<=width;++i)
for(int j=0;j<hight;++j)//最小值滤镜
{
int minn=114514;
for(int k=i-radius;k<=i+radius;++k)
for(int l=j-radius;l<=j+radius;++l)
if((i-k)*(i-k)+(j-l)*(j-l)<=radius*radius)minn=min(minn,GetRValue(ys2[k][l]));
ys3[i][j]=RGB(minn,minn,minn);
}
}
void yansejiandan()//颜色减淡
{
float H0,S0,L0,H3,S3,L3;
for(int i=0;i<=width;++i)
for(int j=0;j<hight;++j)
{
RGBtoHSL(ys1[i][j],&H0,&S0,&L0);
RGBtoHSL(ys3[i][j],&H3,&S3,&L3);
ys4[i][j]=HSLtoRGB(H0,S0,L0+L3);
}
}
void hua()
{
//BeginBatchDraw();
FlushBatchDraw();//后期处理
for(int i=0;i<width;++i)
for(int j=0;j<hight;++j)
putpixel(i,j,ys4[i][j]);
}
int main()
{
width=100;hight=100;
initgraph(width,hight);
setbkcolor(BLACK);
cleardevice();
loadimage(&photo1,_T(".\\img\\mj.jpg"));
putimage(0,0,&photo1);
width=photo1.getwidth();hight=photo1.getheight();
initgraph(width,hight);
setbkcolor(BLACK);
cleardevice();
putimage(0,0,&photo1);
quse_fanxiang();
huoqu();
quse_fanxiang();
lvjing();
yansejiandan();
hua();
_getch();
closegraph();
return 0;
}