謹以此圖BS自己的懶惰行為！呵呵，3月份的想法到現在才完成。還好沒有拖到07年去^_^。
先把圖片和代碼給出，明天再把文字補上。
//
?在VC7.1和Dev?C++下編譯通過
#include?
<
windows.h
>
#include?
<
cstring
>
#include?
<
complex
>
#include?
<
iostream
>
#include?
<
fstream
>
using
?
namespace
?std;
//
設置迭代次數。。。
const
?unsigned?
int
?MAX?
=
??
100
;
//
設置圖片像素，默認取圖片大小為?800×600
void
?setPixel(LPBYTE?lpBits,?unsigned?
int
?x,?unsigned?
int
?y,?BYTE?r,?BYTE?g,?BYTE?b)
{
????lpBits?
+=
?y
*
800
*
3
?
+
?x
*
3
;
????
*
lpBits????????
=
?b;
????
*
(lpBits
+
1
)?
=
?g;
????
*
(lpBits
+
2
)?
=
?r;
????
return
;
}
//
指定染色規則
template
<
typename?T
>
inline?T?fun(T?k)
{
????
return
?(k
*
41
)
%
255
;
}
int
?main(
int
?argc,?
char
?
*
argv[])
{
?
//
?測試complex
?
//
???complex<double>?c1(4.3,?3.0);
?
//
???complex<double>?c2=c1;
?
//
???
?
//
???for(int?j=0;?j<?4800;?j++){????
?
//
???????for(int?i=0;?i<100;?i++){
?
//
???????????c2?=?(c1*2.0+1.0/(c1*c1))/3.0;
?
//
???????????if(c2==c1)?break;
?
//
???????????c1=c2;
?
//
???????}
?
//
??????????c1=complex<double>(4.3,?3.0);
?
//
???}
?
//
??????cout?<<?j?<<?endl;
????BITMAPFILEHEADER??hdr;
????BITMAPINFOHEADER??bih;
????LPBYTE??lpBits;
????ZeroMemory(
&
hdr,?
sizeof
(hdr));
????ZeroMemory(
&
bih,?
sizeof
(bih));
????bih.biSize????
=
????
sizeof
(bih);
????bih.biWidth????
=
????
800
;
????bih.biHeight
=
????
600
;
????bih.biPlanes
=
???
1
;
????bih.biCompression?
=
?BI_RGB;
????bih.biBitCount????
=
?
24
;
????bih.biSizeImage?
=
?
0
;?
????hdr.bfType?
=
?
0x4d42
;
????hdr.bfSize?
=
?(DWORD)?(
sizeof
(BITMAPFILEHEADER)?
+
?
????????bih.biSize?
+
?
800
*
600
*
3
);
????hdr.bfOffBits?
=
?(DWORD)(
sizeof
(BITMAPFILEHEADER)?
+
?
????????bih.biSize);
????lpBits?
=
?
new
?unsigned?
char
[
800
*
600
*
3
];
????memset(lpBits,?
0
,?
800
*
600
*
3
);
????
//
測試圖片寫入
????
//
for(int?j=0;?j<?600/2;?j++)
????
//
{
????
//
????for?(int?i=0;?i<800;?i++)
????
//
????{
????
//
????????setPixel(lpBits,?i,?j,?250,?0,?0);
????
//
????}
????
//
}
????complex
<
double
>
?c2,c1;
????
int
?i,j,?k;
????
for
(j
=
0
;?j
<
600
;?j
++
)
????
{
????????
for
(i
=
0
;?i
<
800
;?i
++
)
????????
{
????????????c1?
=
?complex
<
double
>
(i
*
0.01
-
4
,?j
*
0.01
-
3
);
????????????
//
迭代個點
????????????
for
(k
=
0
;?k
<
MAX;?k
++
)
????????????
{
????????????????c2?
=
?(c1
*
2.0
+
1.0
/
(c1
*
c1))
/
3.0
;
????????????????
if
(c2
==
c1)?
break
;
????????????????c1
=
c2;
????????????}
????????????
if
(k
==
MAX)
{
????????????????setPixel(lpBits,?i,?j,?
0
,?
0
,?
0
);
????????????}
else
?
if
(?c1.real()?
<
?
0
?
&&
?c1.imag()?
>
?
0
)
{
????????????????setPixel(lpBits,?i,?j,?fun(k),?
0
,?
0
);
????????????}
else
?
if
(?c1.real()?
<
?
0
?
&&
?c1.imag()?
<
?
0
)
{
????????????????setPixel(lpBits,?i,?j,?
0
,?fun(k),?
0
);
????????????}
else
{
????????????????setPixel(lpBits,?i,?j,?
0
,?
0
,?fun(k));
????????????}
????????}
????}
????
//
寫入文件
????ofstream??file(
"
fenxing.bmp
"
);
????
char
*
?pTmp?
=
?reinterpret_cast
<
char
*>
(
&
hdr);
????file.write(pTmp,?
sizeof
(BITMAPFILEHEADER));
????pTmp?
=
?reinterpret_cast
<
char
*>
(
&
bih);
????file.write(pTmp,?
sizeof
(BITMAPINFOHEADER));
????file.write(reinterpret_cast
<
char
*>
(lpBits),?
800
*
600
*
3
);
????delete?[]lpBits;
????
return
?EXIT_SUCCESS;
}
posted on 2006-12-31 23:58
小山日志 閱讀(1112)
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