Fixes the default DropShadow node to multiply correctly. adds option for output shadow only similar to how lightwrap has that option

Nuke_DropShadow_fixed

set cut_paste_input [stack 0]
version 11.1 v3
push 0
push $cut_paste_input
Group {
 inputs 2
 name DropShadow2
 help "<b>DropShadow Gizmo</b>\n\nThis gizmo will create a drop shadow for any input image that has an alpha channel <br> with values greater than 0.\n\ninput - the input image to cast the shadow from\n\nbg - the background image the 'input' image and drop shadow will be merged over\n\nOptions include:\n\nenable drop shadow - enable, or disable the drop shadow effect\ninherit input color - shadow color will be the same color as the input image\ncolor - color of the shadow (ignored if 'inherit input color' is active)\nopacity - opacity of the shadow (relative to the 'input' alpha value)\nangle - direction of the shadow (0/360 = left direction)\ndistance - distance of shadow from the 'input' content position \nsoftness - amount the shadow is blurred by \nshrink/expand - erode(-)/dilate(+) the shadow\ninput \[merge operation] bg - operation to combine the 'input' and 'bg' inputs:\n\n    'input' => the A input\n    'bg' => the B input"
 note_font Verdana
 selected true
 xpos 17
 ypos -283
 addUserKnob {20 User}
 addUserKnob {6 enable_dropshadow_effect l "enable drop shadow" t "enable/disable drop shadow effect" +STARTLINE}
 enable_dropshadow_effect true
 addUserKnob {6 removeInput l "remove input rgba (only output shadow without merging)" +STARTLINE}
 removeInput true
 addUserKnob {6 inherit_input_color l "inherit input color" t "use the input images colour for drop shadow" +STARTLINE}
 addUserKnob {18 color t "sets the color of the drop shadow (ignored if 'inherit input color' is active)"}
 color {0 0 0}
 addUserKnob {6 color_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
 addUserKnob {6 color_panelDropped_1 l "panel dropped state" -STARTLINE +HIDDEN}
 addUserKnob {6 color_panelDropped_1_1 l "panel dropped state" -STARTLINE +HIDDEN}
 addUserKnob {7 opacity t "sets the opacity of the drop shadow"}
 opacity 0.73
 addUserKnob {7 dropshadow_angle l angle t "the angle at which the shadow falls\n\n0/360 = left\n90 = top\n180 = right\n270 = bottom  " R 0 360}
 dropshadow_angle 225
 addUserKnob {7 dropshadow_distance l distance t "distance of shadow from the 'input' content position" R 0 100}
 dropshadow_distance 65
 addUserKnob {7 softness t "the softness of the shadow (i.e. Blur)" R 0 20}
 softness 5
 addUserKnob {7 size l shrink/expand t "erode (-) or dilate (+) the shadow" R -5 5}
 addUserKnob {26 divider l "" +STARTLINE}
 addUserKnob {41 operation l input t "merge operation used to combine 'input' and 'bg' " T Merge1.operation}
 addUserKnob {26 bg_input_text l "" -STARTLINE T " bg"}
}
 Input {
  inputs 0
  name input
  note_font Verdana
  xpos 39
  ypos -620
  number 1
 }
 Dot {
  name Dot6
  note_font Verdana
  xpos 73
  ypos -568
 }
set Nafe80a80 [stack 0]
 Dot {
  name Dot7
  note_font Verdana
  xpos 188
  ypos -568
 }
set Nafe80700 [stack 0]
 Dot {
  name Dot8
  note_font Monaco
  xpos 298
  ypos -568
 }
set Nafe80380 [stack 0]
 Grade {
  channels alpha
  multiply {1 1 1 {parent.Grade2.multiply.a}}
  name Grade1
  label "leave colors unchanged"
  note_font Monaco
  xpos 266
  ypos -327
 }
push $Nafe80380
 Dot {
  name Dot10
  xpos 439
  ypos -568
 }
set Nafebfc00 [stack 0]
 Shuffle {
  red alpha
  green alpha
  blue alpha
  name Shuffle1
  label "alpha only"
  note_font Verdana
  xpos 408
  ypos -518
 }
 Clamp {
  name Clamp1
  xpos 408
  ypos -462
 }
 Grade {
  channels rgba
  multiply {{parent.color} {parent.color} {parent.color} {parent.Grade2.multiply.a}}
  name Grade3
  note_font Verdana
  xpos 408
  ypos -309
 }
 Switch {
  inputs 2
  which {{parent.inherit_input_color}}
  name Switch2
  label "inherit input color"
  note_font Monaco
  xpos 337
  ypos -261
 }
 Dilate {
  channels rgba
  size {{parent.size}}
  name Dilate3
  label "shrink expand"
  note_font Verdana
  xpos 337
  ypos -210
 }
 Blur {
  channels rgba
  size {{parent.softness}}
  filter quadratic
  name Blur3
  label softness
  note_font Verdana
  xpos 337
  ypos -147
 }
 Transform {
  translate {{"-1*cos(\[value angle]*3.14159265/180)*\[value distance]"} {"sin(\[value angle]*3.14159265/180)*\[value distance]"}}
  center {1024 778}
  name Transform4
  note_font Verdana
  xpos 339
  ypos -91
  addUserKnob {20 User}
  addUserKnob {7 angle R 0 360}
  angle {{parent.dropshadow_angle}}
  addUserKnob {7 distance R 0 50}
  distance {{parent.dropshadow_distance}}
 }
 Dot {
  name Dot2
  note_font Verdana
  xpos 371
  ypos -34
 }
set Nafebe000 [stack 0]
 Dot {
  name Dot4
  note_font Verdana
  xpos 481
  ypos -34
 }
 Dot {
  name Dot5
  note_font Verdana
  xpos 481
  ypos 138
 }
set Nafef3880 [stack 0]
 Dot {
  name Dot3
  note_font Verdana
  xpos 481
  ypos 216
 }
push $Nafef3880
push $Nafebe000
 Premult {
  name Premult1
  note_font Verdana
  xpos 337
  ypos 2
 }
 EdgeDetectWrapper {
  channels alpha
  erodesize -0.1
  name EdgeDetect1
  xpos 337
  ypos 31
 }
 Dilate {
  channels rgba
  size 1.4
  maskChannelInput rgba.alpha
  name Dilate1
  note_font Verdana
  xpos 337
  ypos 76
 }
 Copy {
  inputs 2
  from0 rgba.alpha
  to0 rgba.alpha
  name Copy1
  note_font Verdana
  xpos 337
  ypos 131
 }
 Premult {
  name Premult2
  note_font Verdana
  xpos 337
  ypos 175
 }
 Copy {
  inputs 2
  from0 rgba.alpha
  to0 rgba.alpha
  name Copy2
  note_font Verdana
  xpos 337
  ypos 206
 }
set Nafef2000 [stack 0]
push $Nafebfc00
 Dot {
  name Dot9
  xpos 630
  ypos -568
 }
 Shuffle {
  name Shuffle2
  label "\[value this.in] > \[value this.out]"
  xpos 598
  ypos -467
 }
 Merge2 {
  inputs 2
  operation copy
  bbox A
  name Merge2
  xpos 585
  ypos 329
 }
push $Nafe80700
push $Nafef2000
 Merge2 {
  inputs 2
  name Merge8
  note_font Verdana
  xpos 154
  ypos 212
 }
 Switch {
  inputs 2
  which {{parent.removeInput}}
  name Switch3
  label "remove input rgba - drop shadow only"
  xpos 154
  ypos 323
 }
set Naff1ce00 [stack 0]
 Dot {
  name Dot11
  xpos 289
  ypos 379
 }
push $Naff1ce00
push $Nafe80a80
 Dot {
  name Dot1
  note_font Verdana
  xpos 73
  ypos 418
 }
 Switch {
  inputs 2
  which {{parent.enable_dropshadow_effect}}
  name Switch1
  label "enable dropshadow"
  note_font Verdana
  xpos 154
  ypos 411
 }
 Input {
  inputs 0
  name bg
  note_font Verdana
  xpos -186
  ypos 509
 }
 Merge2 {
  inputs 2
  operation multiply
  screen_alpha true
  name Merge1
  note_font Verdana
  xpos 89
  ypos 509
 }
 Switch {
  inputs 2
  which {{parent.removeInput}}
  name Switch4
  label removeInput
  xpos 249
  ypos 587
 }
 Output {
  name Output1
  note_font Verdana
  xpos 249
  ypos 641
 }
 Grade {
  inputs 0
  channels alpha
  multiply {0 0 0 {parent.opacity}}
  name Grade2
  label "opacity - alpha for below grades"
  note_font Verdana
  xpos 336
  ypos -394
  hide_input true
 }
end_group