spritebox 0.6.0

Create 2D pixel art and game assets from text: sprites, backgrounds with parallax, tilemaps, procedural textures, UI and pixel fonts. A zero-dependency Rust library and CLI with PNG, atlas and TTF export.
Documentation 
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; Concept art for a small graveyard tower defense, with the features that the first
; game drawn with spritebox asked for: runes whose stone and glyph use different
; palettes, icons enlarged with scale(n), stroked range rings, a board placed inside
; the interface mockup, tombstone tiles used as sprites, and a loot text in several
; colors. Render it with:
;
;   spritebox render examples/first_game.spritebox --out out/first_game --background-scale 3

palette stone
  .  transparent
  k  #14101c
  d  #3c3848
  s  #6c6878
  l  #a8a4b4

palette frost
  .  transparent
  f  #3ca0e8
  w  #d8f0ff

palette ember
  .  transparent
  f  #e85c28
  w  #ffd890

palette yard
  k  #14101c
  m  #2c4434
  g  #4c6c48
  d  #3c3848
  s  #6c6878
  r  #c8b858
  b  #3ca0e8

palette ui
  p  #282438
  e  #48445c
  t  #a8a4b4
  b  #3ca0e8

; --- Runes: a stone in the colors of its rank, a glyph in its element's. ------

sprite rune_stone 8x8 palette=stone
  ..kkkk..
  .kllssk.
  kllsssdk
  klssssdk
  ksssssdk
  kssssddk
  .kddddk.
  ..kkkk..

sprite glyph 8x8 palette=frost
  ........
  ........
  ...ww...
  ..wffw..
  ...ff...
  ...ff...
  ........
  ........

sprite frost_rune 8x8 palette=stone
  layer stone = rune_stone
  layer glyph = glyph

sprite ember_rune 8x8 palette=stone
  layer stone = rune_stone
  layer glyph = glyph:swap(ember)

; The same icon at 1x on the board and 3x in tooltips.
sprite frost_rune_large = frost_rune:scale(3)

; --- Tombstone tiles, also used as sprites. --------------------------------------

tileset graveyard 8x8 palette=yard
  tile grass
    mmmmmmmm
    mgmmmmgm
    mmmmmmmm
    mmmgmmmm
    mmmmmmmm
    mgmmmmmm
    mmmmmgmm
    mmmmmmmm
  tile tomb
    mmddddmm
    mdssssdm
    mdsddsdm
    mdssssdm
    mdssssdm
    mdssssdm
    kkkkkkkk
    mmmmmmmm

tilemap yard_map tileset=graveyard
  legend
    . grass
    t tomb
  map
    ................
    ..t.........t...
    ................
    ......t.........
    ................
    ..........t.....
    .t..............
    ................
    ....t.......t...
    ................
    ................
    ........t.......

; --- The board: ground, tombs, a bell's spreading pulse and a range ring. ------

surface rings 128x96 palette=yard
  ellipse pulse_outer at=24,20 size=40x40 key=r stroke=1
  ellipse pulse_inner at=32,28 size=24x24 key=r stroke=1
  ellipse range at=70,34 size=48x36 key=b stroke=2
  rect frame at=0,0 size=128x96 key=k stroke=1

background board 128x96 seed=3
  layer ground 128x96
    place tilemap yard_map at=0,0
  layer marks 128x96
    place surface rings at=0,0
    place sprite graveyard.tomb:flip_x at=90,52 anchor=bottom-left
    place sprite frost_rune at=40,40 anchor=center

; --- The interface: the board, a tooltip with the large rune and its loot. ------

font tiny height=5 baseline=4 line_height=7 spacing=1 space=2
  glyph +
    .....
    ..#..
    .###.
    ..#..
    .....
  glyph 1
    .#.
    ##.
    .#.
    .#.
    ###
  glyph 2
    ##.
    ..#
    .#.
    #..
    ###
  glyph %
    #..#
    ..#.
    .#..
    #..#
    ....
  glyph d
    ..#
    ..#
    ###
    #.#
    ###
  glyph a
    ...
    ##.
    ..#
    ###
    ###
  glyph m
    .....
    .....
    ####.
    #.#.#
    #.#.#
  glyph g
    ...
    ###
    #..
    #.#
    ###
  glyph e
    ...
    ###
    ###
    #..
    ###

text loot font=tiny palette=ui color=t
  {b}+12 %{} damage

surface tooltip 64x40 palette=ui
  rect back at=0,0 size=64x40 key=p
  rect border at=0,0 size=64x40 key=e stroke=1

background mockup 200x96 seed=3
  layer board 200x96
    place background board at=0,0
  layer hud 200x96
    place surface tooltip at=132,4
    place sprite frost_rune_large at=136,8
    place sprite loot at=136,34
    place sprite ember_rune at=136,80