Am 29.08.2012 um 12:05 schrieb <[email protected]>:

> QImage(const QString &fileName, const char *format = 0);
>  
> If I want to use Format_ARGB8565_Premultiplied, so what’s the format string 
> in above constructor ?

Pay attention! Carefully read the documentation ;)

It will be immediatelly clear that you are confusing the "file format" ("JPG", 
"PNG", ...) with the "pixel format" (RGBA32, ...)!

(Just like I did for a second as well).

You need to use the pixel format conversion/query methods.

Again, refer to the Qt docs.

Cheers,
  Oliver
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