Icon quality on win and osx

Miscellaneous Forums/General Discussion/Icon quality on win and osx

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I'm looking for a workflow like this:

a) Create the icon graphic (render, photoshop, shout at the computer,... ;O)
b) Convert the gfx into icon formats for win and osx while keeping already leopard and vista in mind
c) apply the icon ressources to the executable

Step a is done by me
Step b and c is done by one tool (just drag&drop the three components)

Ideally a gamedev tool would do all this for me whilst i only provide a texture to it.