bool GetCodecClsid(LPCTSTR lpstrFormat, CLSID &clsid)
{
UINT nNum = 0, nSize = 0;
Gdiplus::GetImageEncodersSize(&nNum, &nSize) == Gdiplus::Ok;
Gdiplus::ImageCodecInfo *pInfo = (Gdiplus::ImageCodecInfo *)malloc(nSize);
if(Gdiplus::GetImageEncoders(nNum, nSize, pInfo) != Gdiplus::Ok)
{
free(pInfo);
}
LPCWSTR lpstr = lpstrFormat;
for(int nIndex = 0; nIndex < nNum; ++nIndex)
{
if(wcscmp(pInfo[nIndex].MimeType, lpstr) == 0)
{
clsid = pInfo[nIndex].Clsid;
return true;
}
}
return false;
};
void DrawWatermark()
{
USES_CONVERSION;
int nPicWidth = 0;
int nPicHeight = 0;
ULONG_PTR m_gdiplusToken;
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
if ( Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL) != Gdiplus::Ok )
{
return ;
}
Gdiplus::Bitmap oOldBitMap(A2W("Winter.jpg"));
printf("%d\n",oOldBitMap.GetHeight());
//新画布
Gdiplus::Bitmap bitmap(oOldBitMap.GetWidth (), oOldBitMap.GetHeight ());
bitmap.SetResolution (oOldBitMap.GetHorizontalResolution (), oOldBitMap.GetVerticalResolution ());
Gdiplus::Graphics graphics(&bitmap);
graphics.SetSmoothingMode (SmoothingModeAntiAlias);
graphics.SetTextRenderingHint (TextRenderingHintAntiAli as);
Gdiplus::Bitmap oWatermark(A2W("paipai_logo_80.png"));
//Image oWatermark(A2W("4.jpg"));
// Gdiplus::Bitmap oWatermark(A2W("paipai_logo.png"));
printf("%d",oWatermark.GetHeight());
int nLocX = 0;
int nLocY = 0;
int nmode = oWatermark.GetLastStatus ();
//
graphics.DrawImage(&oOldBitMap, 0, 0, oOldBitMap.GetWidth (), oOldBitMap.GetHeight ());
int nStatus = graphics.DrawImage (&oWatermark,Gdiplus::Rect(0, 0,253, 53), 0, 0, 253, 53, Gdiplus::UnitPixel);
graphics.DrawImage (&oWatermark,253,60, 0, 0, 253, 53, Gdiplus::UnitPixel);
graphics.DrawImage (&oWatermark,253,100, 0, 0, 253, 53, Gdiplus::UnitPixel);
// int nStatus = graphics.DrawImage (&oWatermark,0,0);
//oOldBitMap.Save(A2W("Winter.jpg"))
CLSID pngclsid = {0};
GetCodecClsid(_T("image/jpeg"), pngclsid);
// oOldBitMap.Save(A2W("Winter1.png"), &pngclsid);
// oWatermark.Save(A2W("logo.png"), &pngclsid);
delete &oOldBitMap;
if( PathFileExists( A2W("Winter.jpg") ))
{
if(GetFileAttributes(A2W("Winter.jpg")) & (~FILE_ATTRIBUTE_NORMAL))
{
SetFileAttributes(A2W("Winter.jpg"), FILE_ATTRIBUTE_NORMAL);
}
if( !DeleteFile(A2W("Winter.jpg")) )
perror( "Could not delete Winter.jpg" );
else
printf( "Deleted 'Winter.jpg'\n" );
}
bitmap.Save (A2W("Winter.jpg"), &pngclsid);
};