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Let's Go! Programming (Crypto) Pixel Punk Profile Pictures & (Generative) Art with Go - Step-by-Step Book / Guide

Inside Unique 24×24 Pixel Art on the Blockchain...

by Gerald Bauer, et al

1

Do-It-Yourself (DIY) - Yes, You Can! - Mint Your Own Punks in Original 24x24 Pixel Format or With 2X / 4X / 8X Zoom

Step 0 - Download a punks all-in-one composite image / collection

One time / first time only - Download a punks pixel art collection from the Awesome 24px Downloads - Free Pixel Art Collections in the 24x24 Format page.

Let's try the 1000 More Punks collection in a single all-in-one 600×960px image (~180 kb) for free. See morepunks.png »

Let's create a program to mint (more) punk pixel art images. Let's (re)use the pixelart package from the artbase "right-clicker" zero-config web service / server.

Step 1 - Read punk composite image

package main


import (
  "fmt"
  "github.com/pixelartexchange/artbase.server/pixelart"
)


func main() {

  fmt.Printf( "Hello, Pixel Art v%s!\n", pixelart.Version )

  path     := "./morepunks.png"
  tileSize := pixelart.Point{24, 24}
  punks    := pixelart.ReadImageComposite( path, &tileSize )

  fmt.Println( punks.Bounds() )
  //=> (0,0)-(600,960)
}

Step 2 - Start minting

Note: By default punks get saved in the original 24x24 pixel format and the first punk starts at index zero, that is, 0. running up to 999.

Let's mint punk #0, #18, #40, and #88. Add inside func main():

punk := punks.Tile( 0 )
fmt.Println( punk.Bounds() )
//=> (0,0)-(24,24)

punk.Save( "./morepunk0.png" )


punks.Tile( 18 ).Save( "./morepunk18.png" )
punks.Tile( 40 ).Save( "./morepunk40.png" )
punks.Tile( 88 ).Save( "./morepunk88.png" )

And voila!

Let's change the zoom factor:

punks.Tile( 0 ).Zoom( 4 ).Save( "./morepunk0@4x.png" )
punks.Tile( 18 ).Zoom( 4 ).Save( "./morepunk18@4x.png" )
punks.Tile( 40 ).Zoom( 4 ).Save( "./morepunk40@4x.png" )
punks.Tile( 88 ).Zoom( 4 ).Save( "./morepunk88@4x.png" )

And voila in 4x!

Proof-of the pudding. If you want to run the ready-made sample program in 01_tile/ yourself try:

  • Generate a go module (go.mod)
  • Add the pixelart package via go get to go.mod
  • Run the code
$ cd 01_tile
$ go mod init example.com/01_tile
$ go get github.com/pixelartexchange/artbase.server/pixelart
$ go run main.go

Let's try with the classic gray-ish background in red/green/blue (rgb) as a hexstring #638596:

punks.Tile( 0 ).Background( "#638596" ).Zoom( 4 ).Save( "./morepunk0_(grayish)@4x.png" )
punks.Tile( 18 ).Background( "#638596" ).Zoom( 4 ).Save( "./morepunk18_(grayish)@4x.png" )
punks.Tile( 40 ).Background( "#638596" ).Zoom( 4 ).Save( "./morepunk40_(grayish)@4x.png" )
punks.Tile( 88 ).Background( "#638596" ).Zoom( 4 ).Save( "./morepunk88_(grayish)@4x.png" )

And voila!

Philip! Phree the Phunks! Let's try to flip vertically, that is, mirror, the punk images - turning right-looking punks into left-looking.

punks.Tile( 0 ).Background( "#638596" ).Mirror().Zoom( 4 ).Save( "./morephunk0_(grayish)@4x.png" )
punks.Tile( 18 ).Background( "#638596" ).Mirror().Zoom( 4 ).Save( "./morephunk18_(grayish)@4x.png" )
punks.Tile( 40 ).Background( "#638596" ).Mirror().Zoom( 4 ).Save( "./morephunk40_(grayish)@4x.png" )
punks.Tile( 88 ).Background( "#638596" ).Mirror().Zoom( 4 ).Save( "./morephunk88_(grayish)@4x.png" )

And voila!

And so on. Happy miniting.

Bonus - Glory to Ukraine! Fuck (Vladimir) Putin! Stop the War! - Send A Stop The War Message To The World With Your Profile Picture

Let's try the ukraine flag in the background (with the built-in Ukraine helper method):

punks.Tile( 0 ).Ukraine().Zoom( 4 ).Save( "./morepunk0_flag(ukraine)@4x.png" )
punks.Tile( 18 ).Ukraine().Zoom( 4 ).Save( "./morepunk18_flag(ukraine)@4x.png" )
punks.Tile( 40 ).Ukraine().Zoom( 4 ).Save( "./morepunk40_flag(ukraine)@4x.png" )
punks.Tile( 88 ).Ukraine().Zoom( 4 ).Save( "./morepunk88_flag(ukraine)@4x.png" )

And voila!

Or try two-colored with the background in blue and the silhouette (foreground) in yellow and vice versa:

punks.Tile( 0 ).Silhouette("#ffdd00").Background("#0057b7").Zoom( 4 ).Save( "./morepunk0_silhouette(ukraine)@4x.png" )
punks.Tile( 18 ).Silhouette("#0057b7").Background("#ffdd00").Zoom( 4 ).Save( "./morepunk18_silhouette(ukraine)@4x.png" )
punks.Tile( 40 ).Silhouette("#ffdd00").Background("#0057b7").Zoom( 4 ).Save( "./morepunk40_silhouette(ukraine)@4x.png" )
punks.Tile( 88 ).Silhouette("#0057b7").Background("#ffdd00").Zoom( 4 ).Save( "./morepunk88_silhouette(ukraine)@4x.png" )

And voila!

Are Gophers, The New Punks?

Let's retry with Egon Elbre's gophers collection in the 32x32 pixel format. See the all-in-one composite image with 35 gophers in a 7x5 grid - gophers.png

(~14kb)

Let's create a program to mint gopher pixel art images.

Step 1 - Read gopher composite image

package main


import (
  "fmt"
  "github.com/pixelartexchange/artbase.server/pixelart"
)


func main() {

  fmt.Printf( "Hello, Pixel Art v%s!\n", pixelart.Version )

  path     := "./gophers.png"
  tileSize := pixelart.Point{32, 32}
  punks    := pixelart.ReadImageComposite( path, &tileSize )

  fmt.Println( gophers.Bounds() )
  //=> (0,0)-(224,160)
}

Step 2 - Start minting

Let's mint gopher #0 (neutral), #1 (pirate), #16 (heart eyes), and #28 (mind blown). Add inside func main():

gopher := gophers.Tile( 0 )
fmt.Println( gopher.Bounds() )
//=> (0,0)-(32,32)

gopher.Save( "./gopher0.png" )

gophers.Tile( 1 ).Save( "./gopher1.png" )
gophers.Tile( 16 ).Save( "./gopher16.png" )
gophers.Tile( 28 ).Save( "./gopher28.png" )

And voila!

Let's change the zoom factor:

gophers.Tile( 0 ).Zoom( 4 ).Save( "./gopher0@4x.png" )
gophers.Tile( 1 ).Zoom( 4 ).Save( "./gopher1@4x.png" )
gophers.Tile( 16 ).Zoom( 4 ).Save( "./gopher16@4x.png" )
gophers.Tile( 28 ).Zoom( 4 ).Save( "./gopher28@4x.png" )

And voila in 4x!

Proof-of the pudding. If you want to run the ready-made sample program in 01_tile_(gophers)/ yourself try:

  • Generate a go module (go.mod)
  • Add the pixelart package via go get to go.mod
  • Run the code
$ cd 01_tile_(gophers)
$ go mod init example.com/01_tile
$ go get github.com/pixelartexchange/artbase.server/pixelart
$ go run main.go

Let's try with the classic gray-ish background in red/green/blue (rgb) as a hexstring #638596:

gophers.Tile( 0 ).Background( "#638596" ).Zoom( 4 ).Save( "./gopher0_(grayish)@4x.png" )
gophers.Tile( 1 ).Background( "#638596" ).Zoom( 4 ).Save( "./gopher1_(grayish)@4x.png" )
gophers.Tile( 16 ).Background( "#638596" ).Zoom( 4 ).Save( "./gopher16_(grayish)@4x.png" )
gophers.Tile( 28 ).Background( "#638596" ).Zoom( 4 ).Save( "./gopher28_(grayish)@4x.png" )

And voila!

Bonus - Glory to Ukraine! Fuck (Vladimir) Putin! Stop the War! - Send A Stop The War Message To The World With Your Profile Picture

Let's try the ukraine flag in the background (with the built-in Ukraine helper method):

gophers.Tile( 0 ).Ukraine().Zoom( 4 ).Save( "./gopher0_flag(ukraine)@4x.png" )
gophers.Tile( 1 ).Ukraine().Zoom( 4 ).Save( "./gopher1_flag(ukraine)@4x.png" )
gophers.Tile( 16 ).Ukraine().Zoom( 4 ).Save( "./gopher16_flag(ukraine)@4x.png" )
gophers.Tile( 28 ).Ukraine().Zoom( 4 ).Save( "./gopher28_flag(ukraine)@4x.png" )

And voila!

2

10 000 Punks - The Free Do-It-Yourself (DIY) White Label Quick Starter Edition

Q: Dear sir, how do I get rich in bits-coin punks?

A: If we all buy bits-coin punks from one another at ever higher prices we'll all be rich beyond our wildest dreams.

21 million bits-coin. 10 000 punks. Do the math.

Let's (re)create from zero / scratch a pixel-perfect copy of the Matt & John's® 10 000 punks collection (Anno 2017).

Yes, you can. Do-it-yourself (DIY) and own 100% forever your home-made free clean-room copy of the billion dollar (2400×2400) bitmap that kicked-off a trillion dollar get-rich-quick digital art mania / bubble in 2021 - selling "decentralized" blockchain tokens database records to ever greater fools at ever higher prices.

Inside the Magic Money Machine - Mint 10 000 Unique Punks from 11 Archtetypes 'n' 122 Attributes

Let's copy and (re)use all punk (building) blocks in the basic series (24×24):

11 Archetypes:

Male 1/2/3/4 , Female 1/2/3/4 , Zombie , Ape , Alien

122 Attributes (by category and a-z):

  • Hat - Bandana (m/f) , Beanie (m) , Cap (m/f) , Cap Forward (m) , Cowboy Hat (m) , Do-rag (m) , Fedora (m) , Headband (m/f) , Hoodie (m) , Knitted Cap (m/f) , Pilot Helmet (f) , Police Cap (m) , Tassle Hat (f) , Tiara (f) , Top Hat (m)
  • Hair - Blonde Bob (f) , Blonde Short (f) , Clown Hair Green (m/f) , Crazy Hair (m/f) , Dark Hair (f) , Frumpy Hair (m/f) , Half Shaved (f) , Messy Hair (m/f) , Mohawk (m/f) , Mohawk Dark (m/f) , Mohawk Thin (m/f) , Orange Side (f) , Peak Spike (m) , Pigtails (f) , Pink With Hat (f) , Purple Hair (m) , Red Mohawk (f) , Shaved Head (m) , Straight Hair (f) , Straight Hair Blonde (f) , Straight Hair Dark (f) , Stringy Hair (m/f) , Vampire Hair (m) , Wild Blonde (f) , Wild Hair (m/f) , Wild White Hair (f)
  • Eyes - 3D Glasses (m/f) , Big Shades (m/f) , Classic Shades (m/f) , Eye Mask (m/f) , Eye Patch (m/f) , Horned Rim Glasses (m/f) , Nerd Glasses (m/f) , Regular Shades (m/f) , Small Shades (m) , VR (m/f) , Welding Goggles (f)
  • Eyes (Makeup) - Blue Eye Shadow (f) , Clown Eyes Blue (m/f) , Clown Eyes Green (m/f) , Green Eye Shadow (f) , Purple Eye Shadow (f)
  • Blemishes - Mole (m/f) , Rosy Cheeks (m/f) , Spots (m/f)
  • Nose - Clown Nose (m/f) ,
  • Ears - Earring (m/f)
  • Mouth - Buck Teeth (m) , Frown (m) , Smile (m)
  • Mouth (Makeup) - Black Lipstick (f) , Hot Lipstick (f) , Purple Lipstick (f)
  • Mouth Prop - Cigarette (m/f) , Medical Mask (m/f) , Pipe (m/f) , Vape (m/f)
  • Beard - Big Beard (m) , Chinstrap (m) , Front Beard (m) , Front Beard Dark (m) , Goat (m) , Handlebars (m) , Luxurious Beard (m) , Mustache (m) , Muttonchops (m) , Normal Beard (m) , Normal Beard Black (m) , Shadow Beard (m)
  • Neck Accessory - Choker (f) , Gold Chain (m/f) , Silver Chain (m/f)

(Source: Punk (Building) Blocks - Basic Series (24×24))

Let's wipe up a generatePunk function that pastes / composes together the building blocks / attributes and returns a ready-to-save image. Example:

// generate punk #0
punk = generatePunk( "Female 2", "Earring", "Blonde Bob", "Green Eye Shadow" )
punk.Save( "./punk0.png" )
punk.Zoom(20).Save( "./punk0@20x.png" )

// generate punk #1
punk = generatePunk( "Male 1", "Smile", "Mohawk" )
punk.Save( "./punk1.png" )
punk.Zoom(20).Save( "./punk1@20x.png" )

Here we go - the billion dollar formula:

package main


import (
  "fmt"
  "strings"
  "regexp"

  "github.com/pixelartexchange/artbase.server/pixelart"
)

// allow (ignore):
//    space ( ),
//    underscore (_),
//    dash (-)
var normalizeRegexp = regexp.MustCompile( "[ _-]" )

func normalize( str string ) string {
    str = strings.ToLower( str )
    str = normalizeRegexp.ReplaceAllString( str, "" )
    return str
}



var dir = "../basic"

func generatePunk( values ...string ) *pixelart.Image {
  punkType       := values[0]
  attributeNames := values[1:len(values)]

  punkType = normalize( punkType )

  path   :=  dir + "/" + punkType + ".png"
  punk := pixelart.ReadImage( path )

  var m_or_f string
  if strings.Index( punkType, "female" ) != -1 {
    m_or_f = "f"
  } else {
    m_or_f = "m"
  }


  for _, attributeName := range attributeNames {
    if attributeName == "" {   // skip empty attributes
      continue
    }

    attributeName = normalize( attributeName )
    path       = dir + "/" + m_or_f + "/" + attributeName + ".png"
    attribute   := pixelart.ReadImage( path )

    punk.Paste( attribute )
  }

  return punk
}

Let's test drive punk #0 and punk 1

func main() {
  fmt.Printf( "Hello, Pixel Art v%s!\n", pixelart.Version )

  // test drive
  // generate punk #0
  punk := generatePunk( "Female 2", "Earring", "Blonde Bob", "Green Eye Shadow" )
  punk.Save( "punk0.png" )
  punk.Zoom(20).Save( "punk0@20x.png" )

  // generate punk #1
  punk = generatePunk( "Male 1", "Smile", "Mohawk" )
  punk.Save( "punk1.png" )
  punk.Zoom(20).Save( "punk1@20x.png" )
}

and voila! In the original 24×24 format:

And 20x (480×480):

Note: If you use your own building blocks make sure your type and attribute names match the filenames (without the .png extension). For the matching algorithm all names get automatically downcased and all spaces deleted, thus, Male 1 will map to male1.png and 3D Glasses to 3dglasses.png and Knitted Cap to knittedcap.png and so on.

Let's read-in all meta data records for all 10 000 punks. See the punks.csv dataset that reads:

type, attribute1, attribute2, attribute3, attribute4, attribute5, attribute6, attribute7
Female 2, Earring, Blonde Bob, Green Eye Shadow,,,,
Male 1, Smile, Mohawk,,,,,
Female 3, Wild Hair,,,,,,
Male 1, Wild Hair, Pipe, Nerd Glasses,,,,
Male 2, Goat, Earring, Wild Hair, Big Shades,,,
Female 2, Earring, Half Shaved, Purple Eye Shadow,,,,
Male 2, Do-rag,,,,,,
Female 2, Spots, Wild White Hair, Clown Eyes Blue,,,,
Male 1, Luxurious Beard, Messy Hair,,,,,
Male 2, Big Beard, Police Cap, Clown Nose,,,,
Female 1, Mohawk, Blue Eye Shadow,,,,,
Female 2, Black Lipstick, Straight Hair Dark, Clown Eyes Green,,,,
...

Let's try:

recs := readCSV( "../punks.csv" )
fmt.Printf( "%d punk(s)\n", len( recs ) )
//=> 10 000 punk(s)

And to wrap up let's loop over all 10 000 punks and generate a 24×24 version and a 20x zoom, that is, 480×480. Let's go:

for i,rec := range recs {
    fmt.Printf( "==> %d - %v\n", i, rec )
    punk = generatePunk( rec... )

    name := fmt.Sprintf("punk%d", i )

    punk.Save( "./o/" + name + ".png" )
    punk.Zoom(20).Save( "./o/" + name + "@20x.png" )
}

Yes, that's it. In the /o directory you will now find two images per punk - in the orginal format, that is, 24×24 and 20x, that is, 480×480 - and get:

o/
  punk0.png
  punk0@20x.png
  punk1.png
  punk1@20x.png
  punk2.png
  punk2@20x.png
  punk3.png
  punk3@20x.png
  punk4.png
  punk4@20x.png
  punk5.png
  punk5@20x.png
  punk6.png
  punk6@20x.png
  punk7.png
  punk7@20x.png
  punk8.png
  punk8@20x.png
  ...

Let's open up the first hundred punks, that is, punk0.png to punk99.png:

And let's have a looksie at the biggie 20x (480×480) versions:

and so on.

Bonus - Generate an All-In-One (2400×2400) Composite Image

Let's generate an all-in-one composite image holding the complete collection of 10 000 punks in a 100×100 grid.

punks := pixelart.NewImageComposite( 100, 100,
                                    &pixelart.Point{24, 24})

for i,rec := range recs {
    fmt.Printf( "==> %d - %v\n", i, rec )
    punk = generatePunk( rec... )
    punks.Add( punk )
}

punks.Save( "./o/punks.png" )

Yes, that's it. Open up punks.png to have a looksie.

Note: Only showing the first one hundred punks as a preview. Download punks.png ~1MB for the full monty.

To be continued...

Questions? Comments?

Yes, you can. Post them on the CryptoPunksDev reddit. Thanks.

License

The Programming Punk Step-by-Step book / guide is dedicated to the public domain. Use it as you please with no restrictions whatsoever.

About

Let's Go! Programming (Crypto) Pixel Punk Profile Pictures & (Generative) Art with Go - Step-by-Step Book / Guide Inside Unique 24×24 Pixel Art on the Blockchain...

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