#include <easyx.h>
#include <time.h>
// 得到云朵图像
// img 传出图像指针
// bkColor 云朵背景色
// cloudColor 云朵颜色
// width 整个云朵的宽，由于宽高必须成比例，所以只需要设置宽即可
void DrawCloud(IMAGE* img, COLORREF bkColor = BLACK, COLORREF cloudColor = WHITE, int width = 180)
{
IMAGE* old = GetWorkingImage();
SetWorkingImage(img);
// 比例
double ratio = width / 180.0;
Resize(img, width, (int)(100 * ratio));
setbkcolor(bkColor);
setfillcolor(cloudColor);
setlinecolor(cloudColor);
cleardevice();
fillcircle((int)(95 * ratio), (int)(40 * ratio), (int)(40 * ratio));
fillcircle((int)(85 * ratio), (int)(70 * ratio), (int)(27 * ratio));
fillcircle((int)(40 * ratio), (int)(60 * ratio), (int)(40 * ratio));
fillcircle((int)(125 * ratio), (int)(75 * ratio), (int)(25 * ratio));
fillcircle((int)(145 * ratio), (int)(40 * ratio), (int)(30 * ratio));
SetWorkingImage(old);
}
int main()
{
initgraph(640,480);
srand((UINT)time(NULL));
setbkcolor(RGB(130, 210, 255));
cleardevice();
IMAGE cloud[5];
DrawCloud(&cloud[0], getbkcolor(), WHITE, 180);
DrawCloud(&cloud[1], getbkcolor(), RED, 200);
DrawCloud(&cloud[2], getbkcolor(), GREEN, 120);
DrawCloud(&cloud[3], getbkcolor(), BLACK, 90);
DrawCloud(&cloud[4], getbkcolor(), LIGHTGRAY, 230);
for(int i=0;i<5;i++)
putimage(rand() % 500, rand() % 350, &cloud[i]);
while(true);
closegraph();
return 0;
}