#@gui Pseudo-ECB (Electronic Code Book Algorithm): pseudo_ecb, _pseudo_ecb_preview(0)
#@gui : note = note("This filter is inspired by one of the glitch plugin for Paint.NET This doesn't actually emulate how the codebook encryption algorithm actually work, but it is inspired from it.  This filter uses bomb blending mode which involves RGBA Transfer Function Mesh. See Mesh Blend filter for a link. \n\n <u>Note that the filter works best on images with large patches of single colors.</u> ")
#@gui : sep = separator()
#@gui : note = note("<b>ECB Pattern Key Generator</b>")
#@gui : 1. Double Gradient = bool(0)
#@gui : 2. Length of Gradient#1 = float(3,0,32)
#@gui : 3. ECB Angle#1 = float(135,0,360)
#@gui : 4. ECB Inversion#1 = bool(0)
#@gui : 5. Length of Gradient#2 = float(3,0,32)
#@gui : 6. ECB Angle#2 = float(135,0,360)
#@gui : 7. ECB Inversion#2 = bool(0)
#@gui : 8. Gradient Blend = choice(41,"add","alpha","and","average","blue","burn","darken",
#@gui : "difference","divide","dodge","exclusion","freeze",
#@gui : "grainextract","grainmerge","green","hardlight","hardmix",
#@gui : "hue","interpolation","lighten","lightness","linearburn",
#@gui : "linearlight","luminance","multiply","negation","or",
#@gui : "overlay","pinlight","red","reflect","saturation","screen",
#@gui : "shapeaverage","softburn","softdodge","softlight","stamp",
#@gui : "subtract","value","vividlight","xor")
#@gui : 9. Gradient Blend Opacity = float(1,0,1)
#@gui : sep = separator()
#@gui : note = note("<b>Sharpen Filtering</b>")
#@gui : 10. Sharpening Noise Processing = float(15,0,200)
#@gui : sep = separator()
#@gui : note = note("<b>ECB Image Processing</b>")
#@gui : 11. Transfer Mesh Size for Image (Squared) = int(256,2,256)
#@gui : 12. Image Mesh Contrast = float(100,0,100)
#@gui : 13. Transfer Mesh Size for Gradient (Squared) = int(16,2,256)
#@gui : 14. Gradient Mesh Contrast = float(100,0,100)
#@gui : 15. Double Encryption Effect = bool(0)
#@gui : 16. Inner Blend = choice(41,"add","alpha","and","average","blue","burn","darken",
#@gui : "difference","divide","dodge","exclusion","freeze",
#@gui : "grainextract","grainmerge","green","hardlight","hardmix",
#@gui : "hue","interpolation","lighten","lightness","linearburn",
#@gui : "linearlight","luminance","multiply","negation","or",
#@gui : "overlay","pinlight","red","reflect","saturation","screen",
#@gui : "shapeaverage","softburn","softdodge","softlight","stamp",
#@gui : "subtract","value","vividlight","xor")
#@gui : 17. Inner Blend Opacity = float(1,0,1)
#@gui : 18. Outer Blend = choice(41,"add","alpha","and","average","blue","burn","darken",
#@gui : "difference","divide","dodge","exclusion","freeze",
#@gui : "grainextract","grainmerge","green","hardlight","hardmix",
#@gui : "hue","interpolation","lighten","lightness","linearburn",
#@gui : "linearlight","luminance","multiply","negation","or",
#@gui : "overlay","pinlight","red","reflect","saturation","screen",
#@gui : "shapeaverage","softburn","softdodge","softlight","stamp",
#@gui : "subtract","value","vividlight","xor")
#@gui : 19. Outer Blend Opacity = float(1,0,1)
#@gui : 20. Self-Blend = choice(18,"add","alpha","and","average","blue","burn","darken",
#@gui : "difference","divide","dodge","exclusion","freeze",
#@gui : "grainextract","grainmerge","green","hardlight","hardmix",
#@gui : "hue","interpolation","lighten","lightness","linearburn",
#@gui : "linearlight","luminance","multiply","negation","or",
#@gui : "overlay","pinlight","red","reflect","saturation","screen",
#@gui : "shapeaverage","softburn","softdodge","softlight","stamp",
#@gui : "subtract","value","vividlight","xor")
#@gui : 21. Self-Blend Opacity = float(1,0,1)
#@gui : 22. Pseudocolouring = bool(1)
#@gui : 23. Equalise Copy Before Self-Blend = bool(1)
#@gui : sep = separator(), 24-26. 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>Author : <i>Reptorian</i>      Latest update: <i>2018/12/28</i>.</small>")

_pseudo_c : v - if {s!=1} to_gray. fi {max(1,iM)},1,1,3,u(255) round. map.. . rm.  v +

pseudo_ecb:
repeat $! l[$>]
repeat {$15+1}
pseudo_ecb_generate ${1-14},${16-23}
done
endl done

ecb_gradient_base:
f "ang=pi*$2/180;G=x*cos(ang)+y*sin(ang);G%($1)" n 0,255
if {$3==1} mul -1 abs fi

pseudo_ecb_generate:
-m "MergeChoice : $""=_mode" -MergeChoice "add","alpha","and","average","blue","burn","darken","difference","divide","dodge","exclusion","freeze","grainextract","grainmerge","green","hardlight","hardmix","hue","interpolation","lighten","lightness","linearburn","linearlight","luminance","multiply","negation","or","overlay","pinlight","red","reflect","saturation","screen","shapeaverage","softburn","softdodge","softlight","stamp","subtract","value","vividlight","xor","edges","error"
+ac "ecb_gradient_base[0] ${2-4}",rgb
if $20 _pseudo_c[1] fi
local[1]
if {$1==1} +ac "ecb_gradient_base[0] ${5-7}",rgb
if $20 _pseudo_c[1] fi
blend ${_mode{$8+1}},$9 equalize fi
endlocal
local[0]
sharpen $10
if $20 +pseudo_c[0] fi
+fx_blend_bomb[0] 0,1,$11,$11,0,2,$12,0,0,0,1,0
blend ${_mode{$15+1}},$16
endlocal
fx_blend_bomb[1] 0,1,$13,$13,0,2,$14,0,0,0,0,0
if $22 equalize[1] fi
blend ${_mode{$17+1}},$18
display
if $22 +equalize else [0] fi
blend ${_mode{$19+1}},$20

_pseudo_ecb_preview :
gui_split_preview "pseudo_ecb $*",${-3--1}