How to animate an image in a Mac OSX application? - macos

I want to set a basic animation for an image.ie when the application opens, an image to be shown in the window and after 1 second that image has to dissolve and show another. Can i do that using the transition filters in Xcode? If so, how? If not how can i implement that?
Thanks,
LS Developer

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The layout for what I'm working on is in the image here:
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******EDIT******
I'm editing this to further clarify my questions that I need answered.
1. How do I add the cocos2d files to a project without using one of the templates?
2. How do I get a cocos2d scene to show up inside the grey rectangle of my .xib? (OpenGLView?)

Animate Windows Wallpaper with QT

i want to make an animated wallpaper for windows. So far i have only expreience with Mac OS X programming and i'm new to windows. So i decided to work with QT because it seems that there is more help out there.
Until now i have created the app in a borderless window in qt. It work quiet fine.
But is there a way in QT to change the level of the window so that its appear above the windows wallpaper but behind the icons?
EDIT:
Ok if found a simple solution.
After some testing with the hints form kusg1 I figured out when there is a transparent window mouse events going still to the desktop.
I actualy want have this website has wallpaper: Ticketack. - So i created a frameless window which stays on bottom and has a transparent background and displays the text. Beside this i can change the windows wallpaper directly to get the background of the clock.
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The widget needs two main tasks:
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The widget needs to capture mouse and focus event and channel back to actual window command if the user wants to click the icon on the desktop.
Update:
Some pointers for the implementation:
For managing desktop icon, there is a good article here! (also found from SO).
Qt example and demos has an example on the taking desktop snapshot, the snippet is: QPixmap::grabWindow(QApplication::desktop()->winId());
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See Apple's sample project RoundTransparentWindow.

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