CRect rc;
GetClientRect(rc);
CImage image;
image.Load(_T("c:\\1.jpg")); //图片文件路径
if (image.GetBPP() == 32)
{
int i; int j;
for (i = 0; i < image.GetWidth(); i++)
{
for (j = 0; j < image.GetHeight(); j++)
{
byte *pByte = (byte *)image.GetPixelAddress(i, j);
pByte[0] = pByte[0] * pByte[3] / 255;
pByte[1] = pByte[1] * pByte[3] / 255;
pByte[2] = pByte[2] * pByte[3] / 255;
}
}
}
image.Draw(GetDC()->m_hDC, rc); //dc,rc 可换成控件的,试试