bool Image::Save(const wchar_t* path, const wchar_t* mime) {
Gdiplus::Image* gdiBitmap = reinterpret_cast<Gdiplus::Image*>(_private);
CLSID formatClsid;
if(GetEncoderClsid(mime, &formatClsid)>0) {
if(gdiBitmap->Save(path, &formatClsid, NULL)==Gdiplus::Ok) {
return true;
}
}
return false;
}
BOOL GdiplusUtilities::CreateThumbnail(LPCTSTR srcFile, LPCTSTR thumbnailFile, ImageFormatEnum imageFormat, INT cx, INT cy)
{
Gdiplus::Bitmap* pSrcImage = Gdiplus::Bitmap::FromFile(srcFile, FALSE);
if (pSrcImage == NULL)
return FALSE;
//=== Default function...stretches the image
Gdiplus::Image* pDestImage = pSrcImage->GetThumbnailImage(cx, cy);
delete pSrcImage;
CLSID pngClsid;
UINT num = 0; // number of image encoders
UINT size = 0; // size of the image encoder array in bytes
Gdiplus::ImageCodecInfo* pImageCodecInfo = NULL;
Gdiplus::GetImageEncodersSize(&num, &size);
if(size == 0)
return -1; // Failure
pImageCodecInfo = (Gdiplus::ImageCodecInfo*)(malloc(size));
if(pImageCodecInfo == NULL)
return -1; // Failure
GetImageEncoders(num, size, pImageCodecInfo);
for(UINT j = 0; j < num; ++j)
{
if( wcscmp(pImageCodecInfo[j].MimeType, _T("image/png")) == 0 )
{
pngClsid = pImageCodecInfo[j].Clsid;
free(pImageCodecInfo);
Gdiplus::Status st = pDestImage->Save(thumbnailFile, &pngClsid, NULL);
return st == Gdiplus::Ok;
}
}
free(pImageCodecInfo);
return FALSE;
}