13-Masking Images\.DS_Store
.................\build\Debug-iphonesimulator\HelloWorld.app\clubmask.png
.................\.....\.....................\..............\cover320x416.png
.................\.....\.....................\..............\Default.png
.................\.....\.....................\..............\diamondmask.png
.................\.....\.....................\..............\heartmask.png
.................\.....\.....................\..............\HelloWorld
.................\.....\.....................\..............\icon.png
.................\.....\.....................\..............\Info.plist
.................\.....\.....................\..............\PkgInfo
.................\.....\.....................\..............\spademask.png
.................\.....\.....................\..............\TestBedViewController.nib
.................\.....\.....................\...............dSYM\Contents\Info.plist
.................\.....\.....................\...................\........\Resources\DWARF\HelloWorld
.................\.....\HelloWorld.build\Debug\HelloWorld.build\build-state.dat
.................\.....\................\.....\................\HelloWorld.dep
.................\.....\................\.....\................\HelloWorld~.dep
.................\.....\................\.....-iphonesimulator\HelloWorld.build\build-state.dat
.................\.....\................\.....................\................\build-state~.dat
.................\.....\................\.....................\................\HelloWorld-all-target-headers.hmap
.................\.....\................\.....................\................\HelloWorld-generated-files.hmap
.................\.....\................\.....................\................\HelloWorld-own-target-headers.hmap
.................\.....\................\.....................\................\HelloWorld-project-headers.hmap
.................\.....\................\.....................\................\HelloWorld.dep
.................\.....\................\.....................\................\HelloWorld.hmap
.................\.....\................\.....................\................\HelloWorld~.dep
.................\.....\................\.....................\................\Objects-normal\i386\HelloWorld.LinkFileList
.................\.....\................\.....................\................\..............\....\ImageHelper.o
.................\.....\................\.....................\................\..............\....\main.o
.................\.....\................\HelloWorld.pbxindex\categories.pbxbtree
.................\.....\................\...................\cdecls.pbxbtree
.................\.....\................\...................\decls.pbxbtree
.................\.....\................\...................\files.pbxbtree
.................\.....\................\...................\imports.pbxbtree
.................\.....\................\...................\pbxindex.header
.................\.....\................\...................\protocols.pbxbtree
.................\.....\................\...................\refs.pbxbtree
.................\.....\................\...................\strings.pbxstrings\control
.................\.....\................\...................\..................\strings
.................\.....\................\...................\subclasses.pbxbtree
.................\.....\................\...................\symbols0.pbxsymbols
.................\clubmask.png
.................\cover320x416.png
.................\Default.png
.................\diamondmask.png
.................\heartmask.png
.................\HelloWorld.xcodeproj\project.pbxproj
.................\....................\spring.mode1v3
.................\....................\spring.pbxuser
.................\....................\Yong.mode1v3
.................\....................\Yong.pbxuser
.................\HelloWorld_Prefix.pch
.................\icon.png
.................\ImageHelper.h
.................\ImageHelper.m
.................\Info