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scubacabrascubacabra
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wip stuff. it's almost there but a couple of issues in the way
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-125
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4 files changed

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‎themes/src/asciinema-script‎

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use .. *
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sleep 200ms
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source ../nu-themes/$theme_name.nu
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clear
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print 'Theme: ($theme_name)'
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print -n (preview theme small)
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sleep 200ms
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print ""

‎themes/src/minicap-script‎

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use .. *
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source ($theme_name)
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clear
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sleep 100ms
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print `Theme name: '($theme_name)'
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print -n (preview theme small | table -e)
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sleep 250ms

‎themes/src/powershell-script‎

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use .. *
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source ($theme_name)
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clear
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sleep 100ms
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print `Theme name: '($theme_name)'`
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print -n \(preview theme small | table -e)
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sleep 250ms
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$Host.UI.RawUI.WindowTitle = 'Theme Preview'
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Add-Type -AssemblyName System.Windows.Forms
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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sleep 1
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[Windows.Forms.Clipboard]::GetImage\().Save\('($theme_name).png', [System.Drawing.Imaging.ImageFormat]::Png)

‎themes/src/preview-generate-screenshots.nu‎

Lines changed: 111 additions & 125 deletions
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@
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# * Place your terminal window against a separate solid
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# background to reduce artifacts
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def save_screenshot [ method, theme_name ] {
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def save_screenshot [ method, theme_name, themes ] {
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use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
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match $method {
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# This method for generating terminal screenshots uses
@@ -22,149 +22,121 @@ def save_screenshot [ method, theme_name ] {
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# This method should work from either WSL or Nushell
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# for Windows
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"powershell" => {
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let ps_script = $"
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use .. *
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source ($theme_name)
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clear
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sleep 100ms
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print `Theme name: '($theme_name)'`
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print -n \(preview theme small | table -e)
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sleep 250ms
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$Host.UI.RawUI.WindowTitle = 'Theme Preview'
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Add-Type -AssemblyName System.Windows.Forms
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
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sleep 1
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[Windows.Forms.Clipboard]::GetImage\().Save\('($theme_name).png', [System.Drawing.Imaging.ImageFormat]::Png)
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"
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# in the powershell script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
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let powershell_nu_script = open powershell-script --raw | str replace -a "$theme_name" $theme_name
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| str dedent
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$"powershell.exe -c \"
45-
($ps_script)
30+
($powershell_nu_script)
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\""
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}
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4934
# Requires MiniCap, a utility for capturing screenshots on Windows
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"minicap" => {
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$'
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use .. *
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source ($theme_name)
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clear
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sleep 100ms
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print `Theme name: '($theme_name)'`
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print -n \(preview theme small | table -e)
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sleep 250ms
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c:\\apps\\MiniCap\\MiniCap.exe -captureactivewin -bordershadow -save ($theme_name).png -closeapp -exit
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'
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# in the script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
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let minicap_nu_script = open minicap-script --raw | str replace -a "$theme_name" $theme_name
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39+
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}
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# Requires asciinema (Linux/Mac only), agg (asciinema to gif), and ffmpeg
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# Currently uses Caskaydia Cover Nerd Font installed in user's local fonts
6644
"asciinema" => {
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print $theme_name
68-
$"
69-
let asciinema_nu_script = $\"
70-
use .. *
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sleep 200ms
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source ../nu-themes/($theme_name).nu
73-
clear
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print 'Theme: ($theme_name)'
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print -n \\\(preview theme small)
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sleep 200ms
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print ""
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\"
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80-
mkdir conversions
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82-
asciinema rec -c $'nu -c "\($asciinema_nu_script)\"' ./conversions/($theme_name).cast
83-
84-
# Define terminal colors for asciinema-to-gif converter
85-
let sgr_colors = {
86-
black: r#'000000'#
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red: r#'800000'#
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green: r#'808000'#
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yellow: r#'008000'#
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blue: r#'000080'#
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magenta: r#'800080'#
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cyan: r#'008080'#
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white: r#'c0c0c0'#
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gray: r#'808080'#
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bright_red: r#'ff0000'#
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bright_green: r#'00ff00'#
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bright_yellow: r#'ffff00'#
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bright_blue: r#'0000ff'#
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bright_magenta: r#'ff00ff'#
100-
bright_cyan: r#'00ffff'#
101-
bright_white: r#'ffffff'#
102-
}
103-
104-
use ../nu-themes/($theme_name).nu
105-
let theme_fg_bg = {
106-
background: \(\(($theme_name)).background | str replace '#' '')
107-
foreground: \(\(($theme_name)).foreground | str replace '#' '')
108-
}
109-
110-
# Combine the theme foreground/background with the SGR colors for an agg theme
111-
let agg_theme = {
112-
...$theme_fg_bg
113-
...$sgr_colors
114-
}
115-
| transpose key value
116-
| get value
117-
| str join ","
118-
119-
# Convert asciinema recording to gif
120-
# Line-height of 1.2 to keep table drawing characters together
121-
agg -v --font-size=24 --renderer=resvg --line-height 1.2 --font-dir ~/.nix-profile/share/fonts/truetype/NerdFonts --font-family \"CaskaydiaCove NFM\" --theme $agg_theme ./conversions/($theme_name).cast ./conversions/($theme_name).gif
122-
rm ./conversions/($theme_name).cast
123-
124-
ffmpeg -i ./conversions/($theme_name).gif -vf 'select=eq\\\(n\\,1)' -fps_mode vfr -q:v 2 -frames:v 1 -update 1 ../screenshots/($theme_name).png
125-
rm ./conversions/($theme_name).gif
46+
47+
# in the asciinema script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
48+
let asciinema_nu_script = open asciinema-script --raw | str replace -a "$theme_name" $theme_name
49+
50+
mkdir conversions
51+
asciinema rec --overwrite -c $'nu -c "\($asciinema_nu_script)\"' ./conversions/($theme_name).cast
52+
53+
# Define terminal colors for asciinema-to-gif converter
54+
let sgr_colors = {
55+
black: r#'000000'#
56+
red: r#'800000'#
57+
green: r#'808000'#
58+
yellow: r#'008000'#
59+
blue: r#'000080'#
60+
magenta: r#'800080'#
61+
cyan: r#'008080'#
62+
white: r#'c0c0c0'#
63+
gray: r#'808080'#
64+
bright_red: r#'ff0000'#
65+
bright_green: r#'00ff00'#
66+
bright_yellow: r#'ffff00'#
67+
bright_blue: r#'0000ff'#
68+
bright_magenta: r#'ff00ff'#
69+
bright_cyan: r#'00ffff'#
70+
bright_white: r#'ffffff'#
71+
}
72+
73+
const nu_themes = "../nu-themes"
74+
let theme = $themes | where $it == $theme_name
75+
let name_of_theme = $theme | get 0
76+
77+
# need to import one of the themes at ../nu-themes/(some-theme).nu
78+
# but compiler will fail because
79+
# name_of_theme is not a parse time constant
80+
# is there a workaround?
81+
use $"../nu-themes/($theme_name).nu"
82+
use $"($nu_themes)/($name_of_theme).nu"
83+
use $"($nu_themes)/($theme_name).nu"
84+
print "using theme:"
85+
print $theme
86+
87+
let command = $"($theme_name) | get background | str replace '#' ''"
88+
print "command to run:"
89+
print $command
90+
asciinema rec --overwrite -c $'nu -c "\($"($theme) | get background | str replace '#' ''")\"' ./conversions/($theme_name).cast
91+
92+
let theme_fg_bg = {
93+
background: (nu -c $command)
94+
foreground: (nu -c $command)
95+
}
96+
97+
# Combine the theme foreground/background with the SGR colors for an agg theme
98+
let agg_theme = {
99+
...$theme_fg_bg
100+
...$sgr_colors
101+
}
102+
| transpose key value
103+
| get value
104+
| str join ","
105+
106+
# Convert asciinema recording to gif
107+
# Line-height of 1.2 to keep table drawing characters together
108+
agg -v --font-size=24 --renderer=resvg --line-height 1.2 --font-dir ~/.nix-profile/share/fonts/truetype/NerdFonts --font-family \"CaskaydiaCove NFM\" --theme $agg_theme ./conversions/($theme_name).cast ./conversions/($theme_name).gif
109+
rm ./conversions/($theme_name).cast
110+
111+
ffmpeg -i ./conversions/($theme_name).gif -vf 'select=eq\\\(n\\,1)' -fps_mode vfr -q:v 2 -frames:v 1 -update 1 ../screenshots/($theme_name).png
112+
rm ./conversions/($theme_name).gif
126113
"
127114
}
128115
}
129-
130116
}
131117

132-
def "preview generate screenshots" [screenshot_method, theme_count = 10_000] {
118+
def "preview generate screenshots" [screenshot_method, themes, theme_count = 10_000] {
133119
use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
134120

135-
let themes = (
136-
"../nu-themes/"
137-
| path expand
138-
| path join "*.nu"
139-
| into glob
140-
| ls $in
141-
)
142-
143-
for theme in $themes {
144-
let name = $theme.name
145-
let basename = ($theme.name | path parse | get stem)
146-
147-
let filename = (
148-
"../screenshots"
149-
| path join $'($name | path parse | get stem).png'
150-
)
121+
for $theme in $themes {
122+
123+
let filename = "../screenshots" | path join $theme ".png"
124+
125+
let script = $"
126+
#use .. *
127+
#source ($theme)
128+
#clear
129+
#sleep 100ms
130+
#print `Theme name: '($theme)'`
131+
#print -n \(preview theme small | table -e)
132+
#sleep 250ms
133+
(save_screenshot $screenshot_method $theme $themes)
134+
"
151135

152-
let script = $"
153-
#use .. *
154-
#source ($name)
155-
#clear
156-
#sleep 100ms
157-
#print `Theme name: '($basename)'`
158-
#print -n \(preview theme small | table -e)
159-
#sleep 250ms
160-
(save_screenshot $screenshot_method $basename)
161-
"
162-
163-
# Run with default config
164-
# nu -n -c $script
165-
nu -n -c $"(save_screenshot $screenshot_method $basename)"
136+
# Run with default config
137+
# nu -n -c $script
138+
nu -n -c $"(save_screenshot $screenshot_method $theme $themes)"
166139
}
167-
168140
}
169141

170142
def "preview generate readme" [] {
@@ -217,8 +189,22 @@ def main [screenshot_method] {
217189

218190
return
219191
} else {
220-
mkdir ../screenshots
221-
preview generate screenshots $screenshot_method
222-
preview generate readme
192+
let nu_themes = (
193+
"../nu-themes/"
194+
| path expand
195+
| path join "*.nu"
196+
| into glob
197+
| ls $in
198+
)
199+
200+
# this is the file name of all the files in ../nu-themes
201+
let themes = $nu_themes | each { $in.name | path parse | get stem }
202+
203+
mkdir ../screenshots
204+
preview generate screenshots $screenshot_method $themes
205+
preview generate readme
223206
}
224-
}
207+
208+
209+
}
210+

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