#@gui Cascading self glitching: fx_self_glitching_cascade, fx_self_glitching_cascade_preview(1)
#@gui : note = note("Shifts images in a cascading fashion but computes values based on shifted and original images.")
#@gui : note = note("<small>This filter has many channel options and many operation options allowing for extremely-distorted images. Don't always trust the preview!</small>"), sep = separator()
#@gui : 1. Shift channels = choice("RGB&#47;sRGB","CMYK&#47;CMY","HSV&#47;HSV8","HSL&#47;HSL8","HSI&#47;HSI8","LCH&#47;LCH8","Lab&#47;Lab8","YCbCr&#47;YCbCr_2","YIQ&#47;YIQ8","YUV&#47;YUV8","Bayer&#47;INT24","XYZ&#47;XYZ8")
#@gui : 2. Alt choice = bool(0)
#@gui : 3. Process Alpha = bool(0)
#@gui : 4,5. Zeroth shift = point(50,50,0,1,255,255,255,175)
#@gui : 6. Boundary = choice(3,"Zero","Nearest","Periodic","Mirror")
#@gui : sep = separator()
#@gui : 7. Iterations = int(3,1,64)
#@gui : 8. Repeat post-shift operations = bool(1)
#@gui : sep = separator()
#@gui : 9,10. Shift target = point(55,55,0,1,255,0,0,175)
#@gui : 11. Target for final &#40;rather than first&#41; shift = bool(0)
#@gui : 12,13. Cascade centre point = point(45,45,0,1,0,255,0,175)
#@gui : 14. Shift randomness = float(0.75,0,4)
#@gui : 15. Boundary = choice(3,"Zero","Nearest","Periodic","Mirror")
#@gui : 16. Power = float(0,-5,5)
#@gui : 17. Bias = float(0,-256,256)
#@gui : 18. Negation = bool(0)
#@gui : 19. Shift Operator = choice("Add","Multiply","Bitwise And","Bitwise Or","Bitwise Xor","Power","Reverse Power","Modulo","Reverse Modulo","Divide","Reverse Divide","Subtract","Reverse Subtract","Left Bitwise Shift","Reverse LBS","Right Bitwise Shift","Reverse RBS","Left Bitwise Rotation","Reverse LBR","Right Bitwise Rotation","Reverse RBR","Average","Round","Reverse Round","Sine","Reverse Sine","Cosine","Reverse Cosine","Tangent","Reverse Tangent &#40;CPU-intensive&#41;","Cosecant","Reverse Cosecant","Secant","Reverse Secant","Cotangent","Reverse Cotangent","Variance","Difference","Minimum","Maximum","Interference &#40;Add&#41;","Reverse Interference &#40;Add&#41;","Interference &#40;Multiply&#41;","Interference &#40;Divide&#41;","Reverse Interference &#40;Div&#41;","Interference &#40;Subtract&#41;","Reverse Interference &#40;Subt&#41;","Interference &#40;Rev Subt&#41;","Reverse Interference &#40;Rev Subt&#41;","Interference &#40;Difference&#41;","Reverse Interference &#40;Diff&#41;","Interference &#40;Variance&#41;")
#@gui : 20. Multiplier 1 = float(1,0,10)
#@gui : 21. Addition 1 = int(0,-1024,1024)
#@gui : 22. Post-Shift Modulo = int(256,1,1024)
#@gui : 23. Multiplier 2 = float(1,0,10)
#@gui : 24. Addition 2 = int(0,-1024,1024)
#@gui : sep = separator(), 25. Run on channel(s) = choice("All","RGBA [all]","RGB [all]","RGB [red]","RGB [green]","RGB [blue]","RGBA [alpha]","Linear RGB [all]","Linear RGB [red]","Linear RGB [green]","Linear RGB [blue]","YCbCr [luminance]","YCbCr [blue-red chrominances]","YCbCr [blue chrominance]","YCbCr [red chrominance]","YCbCr [green chrominance]","Lab [lightness]","Lab [ab-chrominances]","Lab [a-chrominance]","Lab [b-chrominance]","Lch [ch-chrominances]","Lch [c-chrominance]","Lch [h-chrominance]","HSV [hue]","HSV [saturation]","HSV [value]","HSI [intensity]","HSL [lightness]","CMYK [cyan]","CMYK [magenta]","CMYK [yellow]","CMYK [key]","YIQ [luma]","YIQ [chromas]")
# #@gui : sep = separator(), 26. Preview type = choice("Full","Forward horizontal","Forward vertical","Backward horizontal","Backward vertical","Duplicate top","Duplicate left","Duplicate bottom","Duplicate right","Duplicate horizontal","Duplicate vertical","Checkered","Checkered inverse"), Preview split = point(50,50,0,0,200,200,200,0,10,0)
#@gui : sep = separator(), note = note("<small>Original author: <i><a href="https://goo.gl/Ryf7Cv">David Tschumperl&#233;</a></i>&#59; extended by some nobody who calls themselves 'Joan Rake' or something.<p>Latest update: <i>2018/08/24</i>.</small>")
fx_self_glitching_cascade :
shift {$4-50}%,{$5-50}%,0,0,$6,0
repeat $! l[$>] if {!$3} split_opacity fi l[0] to_rgb
if {$2}
if {$1==0} rgb2srgb
elif {$1==1} rgb2cmy
elif {$1==2} rgb2hsv8
elif {$1==3} rgb2hsl8
elif {$1==4} rgb2hsi8
elif {$1==5} rgb2lch8
elif {$1==6} rgb2lab8
elif {$1==7} rgb2ycbcr_2
elif {$1==8} rgb2yiq8
elif {$1==9} rgb2yuv8
elif {$1==10} rgb2int
elif {$1==11} rgb2xyz8
fi else
if {$1==1} rgb2cmyk
elif {$1==2} rgb2hsv
elif {$1==3} rgb2hsl
elif {$1==4} rgb2hsi
elif {$1==5} rgb2lch
elif {$1==6} rgb2lab
elif {$1==7} rgb2ycbcr
elif {$1==8} rgb2yiq
elif {$1==9} rgb2yuv
elif {$1==10} rgb2bayer 0
elif {$1==11} rgb2xyz
fi fi
repeat $7
f "init(
const stype = $11?$7:1;
shift = ((([w,h]-1)*([$12,$13]-[$9,$10]+[u(-1,1),u(-1,1)]*sqrt((($12-$9)^2)+(($13-$10)^2))*($14^3)))/stype)%;
const sign = $18?-1:1;
const boundary = $15;
);
operate(mode,s1,s2,mult,power) =
(mode==0?(s1 + s2):
mode==1?(s1 * s2):
mode==2?(s1 & s2):
mode==3?(s1 | s2):
mode==4?xor(s1,s2):
mode==5?(s1^s2):
mode==6?(s2^s1):
mode==7?(s1%s2):
mode==8?(s2%s1):
mode==9?(s1 / s2):
mode==10?(s2 / s1):
mode==11?(s2 - s1):
mode==12?(s1 - s2):
mode==13?(s1 << s2):
mode==14?(s2 << s1):
mode==15?(s1 >> s2):
mode==16?(s2 >> s1):
mode==17?for(n=0,n<(s2%32),n++,rol(s1)):
mode==18?for(n=0,n<(s1%32),n++,rol(s2)):
mode==19?for(n=0,n<(s2%32),n++,ror(s1)):
mode==20?for(n=0,n<(s1%32),n++,ror(s2)):
mode==21?avg(s2,s1):
mode==22?round(s1,s2,0):
mode==23?round(s2,s1,0):
mode==24?s2*sin(s1*2*pi/mult):
mode==25?s1*sin(s2*2*pi/mult):
mode==26?sign*s2*cos(s1*2*pi/mult):
mode==27?sign*s1*cos(s2*2*pi/mult):
mode==28?s2*tan(s1*pi/mult):
mode==29?s1*tan(s2*pi/mult):
mode==30?s2*sin(mult/(s1*2*pi)):
mode==31?s1*sin(mult/(s2*2*pi)):
mode==32?sign*s2*cos(mult/(s1*2*pi)):
mode==33?sign*s1*cos(mult/(s2*2*pi)):
mode==34?s2*tan(mult/(s1*pi)):
mode==35?s1*tan(mult/(s2*pi)):
mode==36?mult*var(s1,s2):
mode==37?abs(s2 - s1):
mode==38?min(s2,s1):
mode==39?max(s2,s1):
mode==40?0.005*s2*(((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow))+s1):
mode==41?0.005*s1*((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)+s2):
mode==42?0.1*s2*(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)*s1:
mode==43?0.1*s2*(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)/s1:
mode==44?0.1*s1*(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)/s2:
mode==45?0.001*s2*((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)-s1):
mode==46?0.001*s1*((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)-s2):
mode==47?0.001*s2*(s1-(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)):
mode==48?0.001*s1*(s2-(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)):
mode==49?0.001*s2*abs((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)-s1):
mode==50?0.001*s1*abs((j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)-s2):
0.00001*mult*var(s1,s2,(j(0,0,0,(c+1)%(s(#0)-1)+1)*2^pow)));
val = sign*((2^$16)*j(shift) + $17);operate($19,val,i,$20,$16);
"
if {$8}
f "((((i*$20)+$21)%$22)*$23)+$24;"
fi
done
if {!$8}
f "((((i*$20)+$21)%$22)*$23)+$24;"
fi
if {$2}
if {$1==0} srgb2rgb
elif {$1==1} cmy2rgb
elif {$1==2} hsv82rgb
elif {$1==3} hsl82rgb
elif {$1==4} hsi82rgb
elif {$1==5} lch82rgb
elif {$1==6} lab82rgb
elif {$1==7} ycbcr_22rgb
elif {$1==8} yiq82rgb
elif {$1==9} yuv82rgb
elif {$1==10} int2rgb
elif {$1==11} xyz82rgb
fi else
if {$1==1} cmyk2rgb
elif {$1==2} hsv2rgb
elif {$1==3} hsl2rgb
elif {$1==4} hsi2rgb
elif {$1==5} lch2rgb
elif {$1==6} lab2rgb
elif {$1==7} ycbcr2rgb
elif {$1==8} yiq2rgb
elif {$1==9} yuv2rgb
elif {$1==10} bayer2rgb 0,0,0
elif {$1==11} xyz2rgb
fi fi
  endl a c endl done
fx_self_glitching_cascade_preview :
index=0
layers=l
#-fx_self_glitching_cascade $*
repeat {max(0,$layers)}
ac[$index] "-fx_self_glitching_cascade $*",$25
index={$index+1}
done