QImage setPixel does not set alpha value

[sanjayshelke]

Hi,

I am trying to change the pixel value of image by using setPixel() method.
It is changing the RGB values successfully but not changing the Alpha value.
It always shows value 255.

The code is like this

QImage image = pixmap->tpImage();
int width = image.width();
int height = image.height();
for( i = 0 ; i < height; i++)
{
for( j = 0; j < width; j++ )
{
image.setPixel(j,i, QColor(0,0,0,0).rgb()) ;
}
}

Thanks in advance
~Sanjay