:ָʽͼ

ʽ:
ImageFromFunction(f,w,h,x0,x1,y0,y1)
ImageFromFunction(f,w,h,x0,x1,y0)
ImageFromFunction(f,w,h,x0,x1)
ImageFromFunction(f,w,h,x0)
ImageFromFunction(f,w,h)
ImageFromFunction(f,w)
ImageFromFunction(f)

f:ַıʽ,ÿʽԶŷָ.fļ·,ֱļΪʽִ
w:ͼο,ĬΪ600
h:ͼθ߶,Ĭwһ
x0:xʼֵ,ĬΪ0
x1:xֵ,ĬΪ10
y0:yʼֵ,Ĭx0һ
y1:yֵ,Ĭx1һ

ִгɹһͼļ·ķű.

˵:
1ʽfֵ֧ıƷֱΪxyrgbԼʱtxʾֵ,yʾֵ,rgbֱʾɫɫֵ

2ʽ֧ifwhileVB.NET﷨ؼ

3дĿľΪ˷ʹúͼ

:
f= "r=sin(x+y),r=256*(r+1)*0.5,g=sin(x-y),g=256*(g+1)*0.5,b=sin(x*y),b=256*(b+1)*0.5";
a=ImageFromFunction(f,400,400,-25,25,-25,25)//سһѣͼ