BCB2010和Timage或者TPngImage加载了PNG图像后怎么存为JPG或者BMP呢

[LWLIFE]

如题，试过Assign不成功，bmp的CopyRect图像又失真，求指教，谢谢各位。

[bigfog]

        Graphics::TBitmap *bBitmap=new  Graphics::TBitmap();
	TPngImage *pPng=new TPngImage();
	
	pPng->LoadFromStream(png);
	bBitmap->Assign(pPng);
       bBitmap->SaveToFile("C:\\aa.bmp");
	delete pPng;
	delete bBitmap;

转jpg方法类似 分好少啊，才20分

[bigfog]

Graphics::TBitmap *bBitmap=new Graphics::TBitmap(); TPngImage *pPng=new TPngImage(); pPng->LoadFromFile(png); //pPng->LoadFromStream(png); bBitmap->Assign(pPng); bBitmap->SaveToFile("C:\\aa.bmp"); delete pPng; delete bBitmap;