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How to fade the screen using Symbian C++

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This code example shows how to implement a fading effect in a Symbian application. The effect is similar to the transition effect of the Symbian Web Runtime APIs, for e.g. widget.prepareForTransition("fade");widget.performTransition();

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Code ExampleArticle
Created: giridharn (18 May 2007)
Last edited: hamishwillee (30 May 2013)

Code snippet

//For fading the screen 
//use this code in your DRAW method.
 
gc.SetFadingParameters(aBlackMap,aWhiteMap);
gc.SetFaded(ETrue);
//////////here you can draw bmp/txt/et.c, which you want to show in faded
 
 
gc.SetFaded(EFalse);
//here txt n everything looks normal.
TUint8 aBlackMap Black map fading parameter. Unfaded this is 0.
TUint8 aWhiteMap White map fading parameter. Unfaded this is 255

Download

Aworking example is provided here: File:FadingEffect.zip

This page was last modified on 30 May 2013, at 04:34.
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