TouchGirl eraser effect of the code example- a finger across the screen will "wipe" off the top picture. Actually prepared two UIImageView, displayed when a finger across the bottom of the UIImageView.

eraseImage
..........\.DS_Store
__MACOSX
........\eraseImage
........\..........\._.DS_Store
eraseImage\build
..........\.....\eraseImage.build
..........\.....\................\eraseImage.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
__MACOSX\eraseImage\build
........\..........\.....\eraseImage.build
........\..........\.....\................\._eraseImage.pbxindex
eraseImage\Classes
..........\.......\eraseImageAppDelegate.h
..........\.......\eraseImageAppDelegate.m
..........\.......\eraseImageViewController.h
__MACOSX\eraseImage\Classes
........\..........\.......\._eraseImageViewController.h
eraseImage\Classes\eraseImageViewController.m
__MACOSX\eraseImage\Classes\._eraseImageViewController.m
eraseImage\eraseImage-Info.plist
__MACOSX\eraseImage\._eraseImage-Info.plist
eraseImage\eraseImage.xcodeproj
..........\....................\project.pbxproj
..........\....................\shinrenpan.mode1v3
..........\....................\shinrenpan.pbxuser
..........\eraseImage_Prefix.pch
..........\eraseImageViewController.xib
..........\main.m
..........\MainWindow.xib
..........\mm10.png
..........\mm11.png

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