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patterns.txt
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patterns.txt
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============================ FILL PATTERNS ================================
These are full-block characters that can be used to fill areas with simple
patterns.
The universally supported ones are the PC shade blocks. However, there are
also six Unicode characters that come from the Korean standard KS X 1001.
The standard doesn't specify their use, so Unicode has decided to just
import the example glyphs inside the squares they were in. However, they
were probably used as true fill patterns in the original computer fonts.
WenQuanYi HenZei Mono implements these as true fill patterns. Also, Korean
Daewoo MSX has two diagonal fill patterns in the Hangul ROM.
We have primarily followed the example of homecomputer 8x8 fonts when
implementing the fill patterns. These computers also have other fill
patterns, and we have attempted to cover them as well.
Sabine10 has a large variety of fill pattern characters, including ones that
can be found in MacPaint and similar graphics software. We have included
these as well as some of the most popular MacPaint patterns.
Pattern densities have been chosen so that they form a regular series. An
additional 1/8 raster block has also been included to complete the series.
0 space (0020)
8 1/8 raster (XTND)
16 light shade (XTND)
20 orthogonal crosshatch (25A6)
24 diagonal crosshatch (25A9)
32 medium shade (2592) & amstrad/c64 variants.
32 horizontal (25A4), vertical (25A5), diagonal (25A7 & 25A8)
40 inverted diagonal crosshatch
44 inverted orthogonal crosshatch
48 dark shade (2592)
56 inverted 1/8 raster (XTND)
64 full block (2588)
=== REGULAR SHADES ===
Sabine "1/64 shade" is interpreted as a single pixel (in shapes.txt)
U+E190 1/32 SHADE
8x8
........ Sabine. 2/64. Fill pattern in MacPaint.
........
......#.
........
........
........
..#.....
........
8x16
........
........
......#.
........
........
........
..#.....
........
........
........
......#.
........
........
........
..#.....
........
U+E191 1/16 SHADE
8x8
..#..... Sabine, readjusted to match PC char. 4/64. Fill in MacPaint.
........
......#.
........
..#.....
........
......#.
........
8x16
..#.....
........
......#.
........
..#.....
........
......#.
........
..#.....
........
......#.
........
..#.....
........
......#.
........
U+E192 1/8 SHADE / VERY LIGHT SHADE
8x8
..#...#. Sabine, readjusted to match PC patterns.
........ Density 8/64, pattern size 4x2.
#...#... Fill pattern in MacPaint.
........
..#...#.
........
#...#...
........
8x16
..#...#.
........
#...#...
........
..#...#.
........
#...#...
........
..#...#.
........
#...#...
........
..#...#.
........
#...#...
........
U+E193 3/16 SHADE
8x8
#...#... Sabine. 12/64
........
.#.#.#.#
........
..#...#.
........
.#.#.#.#
........
8x16
#...#...
........
.#.#.#.#
........
..#...#.
........
.#.#.#.#
........
#...#...
........
.#.#.#.#
........
..#...#.
........
.#.#.#.#
........
U+2591 LIGHT SHADE
8x8
..#...#. PC. Density 16/64.
#...#... Sabine pattern has a different offset.
..#...#. Present as a fill pattern in Mac/GeoPaint.
#...#...
..#...#.
#...#...
..#...#.
#...#...
8x16
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
..#...#.
#...#...
U+2592 MEDIUM SHADE
8x8
#.#.#.#. Amstrad CPC / Commodore VIC-20. Density 32/64.
.#.#.#.# PC uses the inversion (top-level pixel is zero).
#.#.#.#. We've chosen this variant because Amstrad & Sharp
.#.#.#.# character sets have a lot of medium-shaded characters
#.#.#.#. and we need to match the pattern to them.
.#.#.#.# Common fill pattern in paint software.
#.#.#.#.
.#.#.#.#
8x16
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
#.#.#.#.
.#.#.#.#
U+1FB90 INV 2592
U+XTND = 1FB90
U+2593 INV 2591 48/64 shade
U+E194 56/64 SHADE
8x8
######## Sabine. 56/64
#.###.##
########
###.###.
########
#.###.##
########
###.###.
8x16
########
#.###.##
########
###.###.
########
#.###.##
########
###.###.
########
#.###.##
########
###.###.
########
#.###.##
########
###.###.
U+E195 60/64 SHADE
8x8
#.###### Sabine. 60/64
########
#####.##
########
#.######
########
#####.##
########
8x16
#.######
########
#####.##
########
#.######
########
#####.##
########
#.######
########
#####.##
########
#.######
########
#####.##
########
U+E196 62/64 SHADE
8x8
######## Sabine. 62/64
########
##.#####
########
########
########
######.#
########
8x16
########
########
##.#####
########
########
########
######.#
########
########
########
##.#####
########
########
########
######.#
########
U+E197 ORTHOGONAL LIGHT SHADE
8x8
#.#.#.#. 16/64. Sabine. Also a Macpaint texture.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
8x16
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
#.#.#.#.
........
U+E198 ORTHOGONAL 1/16 SHADE
8x8
........ 4/64. Sabine, centered. A
.#...#..
........
........
........
.#...#..
........
........
8x16
........
.#...#..
........
........
........
.#...#..
........
........
........
.#...#..
........
........
........
.#...#..
........
........
=== IRREGULAR SHADES ===
U+E83D VERY LIGHT IRREGULAR SHADE
8x8
......#. MacPaint, adjusted with Sharp MZ 9/64-density pattern.
..#..... Irregular, density 8/64.
.......# Somewhat similar characters exist in
....#... Sharp MZ (density 9/64) and Sabine10 (density 7/64).
.#......
.....#..
#.......
...#....
U+E83E IRREGULAR 10/64 SHADE
8x8
....#..# Mattel Aquarius. Irregular, density 10/64.
..#..... -- mapped to 3/16.
.....#..
#.......
...#...#
.#......
....#...
......#.
U+E83F IRREGULAR 11/64 SHADE
8x8
#...#... Sharp MZ. Irregular, density 11/64.
......#. -- mapped to 3/16.
.#......
........
#...#...
.#.....#
........
#..#...#
=== CHECKERBOARD PATTERNS ===
U+E199 CHECKERBOARD PATTERN
8x8
##..##.. C-64 / Amstrad CPC. Density 32/64, with 2x2 detail.
##..##.. MSX has the shape inverted.
..##..## Found as fill pattern in MtPaint.
..##..##
##..##..
##..##..
..##..##
..##..##
8x16
##..##..
##..##..
..##..##
..##..##
##..##..
##..##..
..##..##
..##..##
##..##..
##..##..
..##..##
..##..##
##..##..
##..##..
..##..##
..##..##
U+1FB95 = E199
U+1FB96 INV E199
U+XTND = 1FB96
U+E840 MEDIUM SHADE IN COARSE PIXELS
8x8
##..##.. Amstrad CPC. Density 32/64, with 2x1 detail.
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
8x16
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
##..##..
..##..##
=== LINE-BASED FILL PATTERNS ===
Connectivity still needs some more consideration?
Most are aligned so that they set up symmetrically around line chars.
U+25A4 SQUARE WITH HORIZONTAL FILL
8x8
######## Sharp MZ, Colour Genie.
........
########
........
########
........
########
........
8x16
######## No micro-level sync needed, therefore dupfill
........
########
........
########
........
########
........
########
........
########
........
########
........
########
........
U+25A5 SQUARE WITH VERTICAL FILL
8x8
#.#.#.#. Sharp MZ, alignment normalized (1 pixel leftward)
#.#.#.#.
#.#.#.#.
#.#.#.#.
#.#.#.#.
#.#.#.#.
#.#.#.#.
#.#.#.#.
U+E841 SPARSE HORIZONTAL FILL
8x8
........ Sharp MZ (combines as crosshatch). Realigned.
######## Correct positioning (symmetrically around fourth row)
........ Sabine shape has different Y offset (by 1 pixel).
........
........
########
........
........
8x16
........
########
........
........
........
########
........
........
........
########
........
........
........
########
........
........
U+1FB97 HEAVY HORIZONTAL FILL
8x8
........ TRS-80.
######## Can't follow exact pixel matrix, therefore E841 thickened.
########
........
........
########
########
........
8x16
........
########
########
........
........
########
########
........
........
########
########
........
........
########
########
........
U+XTND2 = 1FB97
The pattern is macro enough to be used as non-fill, therefore no 8x16.
U+E842 SPARSE VERTICAL FILL
8x8
.#...#.. Sharp MZ (combines as crosshatch)
.#...#.. Correct positioning (symmetrically around fourth column)
.#...#.. Sabine shape has different X offset (by 2 pixels).
.#...#..
.#...#..
.#...#..
.#...#..
.#...#..
U+25A6 SQUARE WITH ORTHOGONAL CROSSHATCH FILL
8x8
.#...#.. Sharp MZ. Combination of Sharp X and Y line patterns.
######## Density 8/16, pattern 4x4.
.#...#.. Sabine shape has a different vertical position (by 1 pixel).
.#...#.. Fill pattern in Mac/GeoPaint.
.#...#..
########
.#...#..
.#...#..
8x16
.#...#..
########
.#...#..
.#...#..
.#...#..
########
.#...#..
.#...#..
.#...#..
########
.#...#..
.#...#..
.#...#..
########
.#...#..
.#...#..
U+E843 SHADED ORTHOGONAL CROSSHATCH FILL
8x8
........
.#.#.#.# 12/64
........ Sabine, realigned to match 25A6.
.#...#.. Fill pattern nowhere?
........
.#.#.#.#
........
.#...#..
8x16
........
.#.#.#.#
........
.#...#..
........
.#.#.#.#
........
.#...#..
........
.#.#.#.#
........
.#...#..
........
.#.#.#.#
........
.#...#..
U+E844 SPARSE ORTHOGONAL CROSSHATCH FILL
8x8
.....#.. Sharp MZ. Chosen because MZ also has connecting line pieces.
.....#.. Sabine shape has a different horizontal position (by 1 pixel).
.....#.. Fill pattern in Mac/GeoPaint.
.....#..
.....#..
.....#..
########
.....#..
8x16
.....#..
.....#..
.....#..
.....#..
.....#..
.....#..
########
.....#..
.....#..
.....#..
.....#..
.....#..
.....#..
.....#..
########
.....#..
U+25A8 SQUARE WITH UPPER RIGHT TO LOWER LEFT FILL
8x8
...#...# Sharp MZ / MSX / Mac/MtPaint.
..#...#. The 1:3 pattern seems to be the most common in 8x8 fonts.
.#...#.. We have therefore chosen it as the main representative.
#...#... Aligns well with ortohogonal lines at 4th row and column.
...#...# Density 1/4 as in the Daewoo MSX Hangul block.
..#...#.
.#...#..
#...#...
U+E19A HEAVY UPPER RIGHT TO LOWER LEFT FILL
8x8
..##..## Resembles the PETSCII patterns but realigned to
.##..##. match with the orthogonal lines.
##..##..
#..##..# Not extensively used in art because only found
..##..## in the "text" character set. Therefore not
.##..##. candidate for the default pattern.
##..##.. Not a common pattern in paint software either.
#..##..#
U+1FB99 = E19A
U+25A7 SQUARE WITH UPPER LEFT TO LOWER RIGHT FILL
8x8
#...#... U+25A6 mirrored. MSX. Not found in Sharp MZ.
.#...#..
..#...#.
...#...#
#...#...
.#...#..
..#...#.
...#...#
U+E19B HEAVY UPPER LEFT TO LOWER RIGHT FILL
8x8
##..##..
.##..##.
..##..##
#..##..#
##..##..
.##..##.
..##..##
#..##..#
U+1FB98 = E19B
U+25A9 SQUARE WITH DIAGONAL CROSSHATCH FILL
8x8
#.#.#.#. Sabine.
.#...#.. Density 24/64, pattern 4x4.
#.#.#.#. Found as a fill pattern in Gem/MtPaint.
...#...#
#.#.#.#. Won't align well with diagonal line fills :(
.#...#..
#.#.#.#.
...#...#
U+E845 SPARSE DIAGONAL CROSSHATCH FILL
8x8
.#.....#
#.......
.#.....#
..#...#.
...#.#..
....#...
...#.#..
..#...#.
=== COMPLEX FILL PATTERNS ===
Complex fill patterns found in MacPaint and Sabine:
U+E846 BRICK FILL
8x8
.......# Sabine. Mac/Geo/MtPaint have identical fill pattern.
.......#
########
...#....
...#....
...#....
########
.......#
8x16
.......#
.......#
########
...#....
...#....
...#....
########
.......#
.......#
.......#
########
...#....
...#....
...#....
########
.......#
U+E847 MISC FILL PATTERN 1
8x8
.#.....# Sabine. Mac/Geo/MtPaint have an identical fill pattern.
#.#...#. Replaceable with a centered shape. Already have it?
.#.#.#.#
#.#...#.
.#.....#
#.......
........
#.......
8x16
.#.....#
#.#...#.
.#.#.#.#
#.#...#.
.#.....#
#.......
........
#.......
.#.....#
#.#...#.
.#.#.#.#
#.#...#.
.#.....#
#.......
........
#.......
U+E848 MISC FILL PATTERN 2
8x8
....#... Sabine. Mac/Geo/Gem/MtPaint have an identical fill pattern.
....#...
#.#.#.#.
.#.....#
#.......
#.......
#.#.#.#.
...#.#..
8x16
....#...
....#...
#.#.#.#.
.#.....#
#.......
#.......
#.#.#.#.
...#.#..
....#...
....#...
#.#.#.#.
.#.....#
#.......
#.......
#.#.#.#.
...#.#..
U+E849 MISC FILL PATTERN 3
8x8
###...## Sabine. Mac/Geo/Gem/MtPaint have an identical fill pattern.
###...##
##.###.#
..#..##.
..#####.
..#####.
##.###.#
.##...#.
8x16
###...##
###...##
##.###.#
..#..##.
..#####.
..#####.
##.###.#
.##...#.
###...##
###...##
##.###.#
..#..##.
..#####.
..#####.
##.###.#
.##...#.
U+E84A MISC FILL PATTERN 4
8x8
#...#... Sabine. MacPaint has an identical fill pattern.
.#.#....
..#...#.
........
#.#.#.#.
........
..#...#.
.....#.#
8x16
#...#...
.#.#....
..#...#.
........
#.#.#.#.
........
..#...#.
.....#.#
#...#...
.#.#....
..#...#.
........
#.#.#.#.
........
..#...#.
.....#.#
U+E84B MISC FILL PATTERN 5
8x8
.#...... Sabine. MacPaint has an identical fill pattern.
........
.#...#..
........
.#......
........
.#.#.#.#
........
8x16
.#......
........
.#...#..
........
.#......
........
.#.#.#.#
........
.#......
........
.#...#..
........
.#......
........
.#.#.#.#
........
U+E84C MISC FILL PATTERN 6
8x8
#....... Sabine. MacPaint has an identical fill pattern.
........
....#...
.....#..
......#.
........
..#.....
.#......
8x16
#.......
........
....#...
.....#..
......#.
........
..#.....
.#......
#.......
........
....#...
.....#..
......#.
........
..#.....
.#......
U+E84D MISC FILL PATTERN 7
8x8
#.#.#.#. Sabine. MacPaint fill pattern (roof)
########
......#.
.....#..
....#...
...#....
..#.....
.#.#.#..
8x16
#.#.#.#.
########
......#.
.....#..
....#...
...#....
..#.....
.#.#.#..
#.#.#.#.
########
......#.
.....#..
....#...
...#....
..#.....
.#.#.#..
U+E84E MISC FILL PATTERN 8
8x8
..##.##.
..##....
......##
.##...##
.##.##..
....##..
##......
##...##.
8x16
..##.##.
..##....
......##
.##...##
.##.##..
....##..
##......
##...##.
..##.##.
..##....
......##
.##...##
.##.##..
....##..
##......