For the iOS XB image filter, select learning IOS programming source code, a good reference.

.gitignore
COPYRIGHT.txt
README.md
XBImageFilters
XBImageFilters.xcodeproj
........................\project.pbxproj
..............\AppDelegate.h
..............\AppDelegate.m
..............\Classes
..............\.......\Sample
..............\.......\......\CameraViewController.h
..............\.......\......\CameraViewController.m
..............\.......\......\ImageViewController.h
..............\.......\......\ImageViewController.m
..............\.......\......\ProcessingViewController.h
..............\.......\......\ProcessingViewController.m
..............\.......\XBImageFilters
..............\.......\..............\CameraTargetView.h
..............\.......\..............\CameraTargetView.m
..............\.......\..............\GLKitAdditions
..............\.......\..............\..............\GLKAttribute.h
..............\.......\..............\..............\GLKAttribute.m
..............\.......\..............\..............\GLKProgram.h
..............\.......\..............\..............\GLKProgram.m
..............\.......\..............\..............\GLKShaderVariable.h
..............\.......\..............\..............\GLKShaderVariable.m
..............\.......\..............\..............\GLKUniform.h
..............\.......\..............\..............\GLKUniform.m
..............\.......\..............\XBFilteredCameraView.h
..............\.......\..............\XBFilteredCameraView.m
..............\.......\..............\XBFilteredImageView.h
..............\.......\..............\XBFilteredImageView.m
..............\.......\..............\XBFilteredView.h
..............\.......\..............\XBFilteredView.m
..............\en.lproj
..............\........\InfoPlist.strings
..............\........\MainStoryboard.storyboard
..............\main.m
..............\Resources
..............\.........\Images
..............\.........\......\basn0g01.png
..............\.........\......\basn0g02.png
..............\.........\......\basn0g04.png
..............\.........\......\basn0g08.png
..............\.........\......\basn0g16.png
..............\.........\......\basn2c08.png
..............\.........\......\basn2c16.png
..............\.........\......\basn3p01.png
..............\.........\......\basn3p02.png
..............\.........\......\basn3p04.png
..............\.........\......\basn3p08.png
..............\.........\......\basn4a08.png
..............\.........\......\basn4a16.png
..............\.........\......\basn6a08.png
..............\.........\......\basn6a16.png
..............\.........\......\LucasCorrea.png
..............\.........\......\LucasCorrea@2x.png
..............\.........\......\marvin.png
..............\.........\......\russian-ball.jpeg
..............\.........\Shaders
..............\.........\.......\DefaultFragmentShader.glsl
..............\.........\.......\DefaultVertexShader.glsl
..............\.........\.......\DiscretizeShader.glsl
..............\.........\.......\HGaussianBlur.glsl
..............\.........\.......\LuminanceFragmentShader.glsl
..............\.........\.......\PixelateShader.glsl
..............\.........\.......\SuckShader.glsl
..............\.........\.......\VGaussianBlur.glsl
..............\UIImage+XBImageFilters.h
..............\UIImage+XBImageFilters.m
..............\XBImageFilters-Info.plist
..............\XBImageFilters-Prefix.pch

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