implementation methods:
Using GDIPlus FillPie method, take each color piece when the pie charts,

 void CRotateAnimation: : DrawPie (HDC HDC) 
{
Gdiplus: : Graphics * pGraphics=new Gdiplus: : Graphics (hDC); 
PGraphics - & gt; SetSmoothingMode (SmoothingModeHighQuality); 
Gdiplus: : Color CLR,0,0,0 (150); 
Gdiplus: : SolidBrush * pBrush=new Gdiplus: : SolidBrush (CLR); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
//calculate outer ring, inner ring position 
Gdiplus: : the Rect rcOut (m_Rect); 
Gdiplus: : the Rect rcIn (rcOut); 
RcIn. Inflate (- m_ItemSize - m_ItemSize); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
//to draw the first outer small squares 
Float fStartAngle=- 90;//start drawing Angle 
Float fSweepAngle=360/m_AnimationCount;//every small Angle 
for(int i=0; I{
The CLR. SetFromCOLORREF (m_pAnimationArray [I] clrOut); 
PBrush - & gt; SetColor (CLR); 
PGraphics - & gt; FillPie (pBrush, rcOut fStartAngle, fSweepAngle - m_MarginAngle); 
FStartAngle=fStartAngle + fSweepAngle; 
} 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
//draw the inner circle of small square; 
FStartAngle=90; 
for(int i=0; I{
The CLR. SetFromCOLORREF (m_pAnimationArray [I] clrIn); 
PBrush - & gt; SetColor (CLR); 
PGraphics - & gt; FillPie (pBrush, rcIn, fStartAngle fSweepAngle - m_MarginAngle); 
FStartAngle=fStartAngle + fSweepAngle; 
} 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
//draw the middle circle, use color control filling 
RcIn. Inflate (- m_ItemSize - m_ItemSize); 
The CLR. SetFromCOLORREF (m_ColorBack); 
PBrush - & gt; SetColor (CLR); 
PGraphics - & gt; FillEllipse (pBrush, rcIn); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
The delete pBrush; 
The delete pGraphics; 
} 

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 # include & lt; Math. H> 
# include & lt; String. H> 
# include & lt; stdio.h> 
# include & lt; Windows. H> 
# include & lt; Gdiplus. H> 
# pragma comment (lib, "gdiplus. Lib") 
Using the namespace Gdiplus; 
Would be formats [5] [11]={
L "image/BMP," 
L "image/jpeg", 
L "image/GIF", 
L "image/tiff," 
L "image/PNG," 
}; 
Would be exts [5] [5]={
L ". BMP, "
L "JPG", 
L ". GIF ", 
L ". Tif, "
L "PNG", 
}; 
Int GetEncoderClsid (const WCHAR * format, clsids * pClsid) {
UINT num=0;//number of image encoders 
UINT size=0;//the size of the image encoder array in bytes 
ImageCodecInfo * pImageCodecInfo=NULL; 
GetImageEncodersSize (& amp; Num, & amp; The size); 
If (size==0) return 1;//Failure 
PImageCodecInfo=(ImageCodecInfo *) (malloc (size)); 
If (pImageCodecInfo==NULL) return 1;//Failure 
GetImageEncoders (num, size, pImageCodecInfo); 
For (UINT j=0; J & lt; Num. + + j) {
If (WCSCMP (pImageCodecInfo [j]. Journal of MimeType, format)==0) {
* pClsid=pImageCodecInfo [j]. Journal of clsids; 
Free (pImageCodecInfo); 
Return j;//Success 
} 
} 
Free (pImageCodecInfo); 
return -1;//Failure 
} 
Int wmain (int arg c, would be * argv []) {
Int r=1; 
If (argc<4) {
USAGE: 
Srcimg wprintf (L "% s. {BMP | JPG | | GIF tif | PNG | WMF | emf | ico} desimg. {BMP | JPG | | GIF tif | PNG} Angle \ n", argv [0]). 
return r; 
} 
int i; 
for (i=0; I<5; I++) {
If (0==_wcsicmp (argv [1] + wcslen (argv [1]) - 4, exts [I])) break; 
} 
If (i>=5) goto the USAGE; 
for (i=0; I<5; I++) {
If (0==_wcsicmp (argv [2] + wcslen (argv [2]) - 4, exts [I])) break; 
} 
If (i>=5) goto the USAGE; 
The GdiplusStartupInput GdiplusStartupInput; 
ULONG_PTR gdiplustoken; 
GdiplusStartup (& amp; Gdiplustoken, & amp; Gdiplusstartupinput, NULL); 
{
The Image of img (argv [1]); 
If (Ok==img. GetLastStatus ()) {
UINT height=img. GetHeight (); 
UINT width=img. GetWidth (); 
The REAL Angle; 
If (1==swscanf_s (argv [3], L "% f", & amp; Angle)) {
REAL size. 
Size=(REAL) SQRT (1.0 * width * height width + 1.0 * * height); 
Matrix mat; 
Mat. Translate (size/2.0 f, size/2.0 f); 
Mat. Rotate (- Angle, MatrixOrderAppend); 
Mat. Translate (size/2.0 f, size/2.0 f, MatrixOrderAppend); 
PointF pfTL (/2.0 f (size - the width), (f) 2.0/size - height); 
PointF pfTR ((f + width 2.0/size - the width), (f) 2.0/size - height); 
PointF pfBL ((size - the width) f/2.0, (the size - height)/2.0 f + height); 
PointF pfBR ((size - the width)/2.0 f + width, (size - height)/2.0 f + height); 
Graphics TGP (& amp; Img); 
Bitmap BMP ((UINT) size, (UINT) size, & amp; The TGP);//Let BMP Resolution equal to img Resolution 
Graphics gp (& amp; BMP); 
Gp. SetTransform (& amp; Mat); 
Gp. DrawImage (& amp; Img, pfTL); 
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