Add documentation to Bitmaps opaque_to_polygons.
Add documentation to Bitmaps opaque_to_polygons.

josempans/godot,Valentactive/godot,godotengine/godot,BastiaanOlij/godot,Valentactive/godot,pkowal1982/godot,Valentactive/godot,pkowal1982/godot,DmitriySalnikov/godot,firefly2442/godot,sanikoyes/godot,Shockblast/godot,vnen/godot,honix/godot,vnen/godot,ZuBsPaCe/godot,godotengine/godot,vnen/godot,vnen/godot,honix/godot,ZuBsPaCe/godot,vkbsb/godot,firefly2442/godot,pkowal1982/godot,guilhermefelipecgs/godot,honix/godot,josempans/godot,Zylann/godot,godotengine/godot,Valentactive/godot,BastiaanOlij/godot,pkowal1982/godot,sanikoyes/godot,sanikoyes/godot,guilhermefelipecgs/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,Valentactive/godot,firefly2442/godot,pkowal1982/godot,Zylann/godot,godotengine/godot,BastiaanOlij/godot,Zylann/godot,josempans/godot,DmitriySalnikov/godot,Shockblast/godot,sanikoyes/godot,DmitriySalnikov/godot,Valentactive/godot,honix/godot,josempans/godot,Shockblast/godot,vnen/godot,Shockblast/godot,josempans/godot,ZuBsPaCe/godot,vkbsb/godot,ZuBsPaCe/godot,Zylann/godot,Faless/godot,Faless/godot,Zylann/godot,vnen/godot,akien-mga/godot,honix/godot,sanikoyes/godot,Faless/godot,BastiaanOlij/godot,godotengine/godot,guilhermefelipecgs/godot,Shockblast/godot,firefly2442/godot,sanikoyes/godot,vnen/godot,DmitriySalnikov/godot,vkbsb/godot,akien-mga/godot,akien-mga/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,pkowal1982/godot,Zylann/godot,ZuBsPaCe/godot,akien-mga/godot,ZuBsPaCe/godot,vkbsb/godot,Faless/godot,josempans/godot,DmitriySalnikov/godot,vkbsb/godot,firefly2442/godot,BastiaanOlij/godot,BastiaanOlij/godot,Shockblast/godot,godotengine/godot,guilhermefelipecgs/godot,firefly2442/godot,akien-mga/godot,pkowal1982/godot,vkbsb/godot,DmitriySalnikov/godot,pkowal1982/godot,josempans/godot,godotengine/godot,josempans/godot,vkbsb/godot,Faless/godot,sanikoyes/godot,vnen/godot,guilhermefelipecgs/godot,Faless/godot,Zylann/godot,akien-mga/godot,Faless/godot,Faless/godot,Valentactive/godot,ZuBsPaCe/godot,akien-mga/godot,Shockblast/godot,Valentactive/godot,ZuBsPaCe/godot,godotengine/godot,BastiaanOlij/godot,Shockblast/godot,Zylann/godot,vkbsb/godot,firefly2442/godot,akien-mga/godot,honix/godot,sanikoyes/godot,firefly2442/godot