Rebrand the extension's icons to the new GemDB identity

.vscodeignore

@@ -17,13 +17,16 @@ CONTRIBUTING.md
 # become the Marketplace's Overview and Changelog tabs — but nothing in docs/
 # is written for someone who installed the extension.
 docs/**
-# The full lockup is source art and a README banner, not something the running
-# extension ever loads. Shipping it would put 25 KB of unreferenced image in
-# every install. GemDB_Icon.svg is the mark's vector source: resources/icon.png
-# is rendered from it by scripts/render-icon.sh (regenerate it there, not by
-# hand), and resources/gemdb-sidebar.svg is traced from it.
-resources/GemDB.png
+# Source art, not something the running extension ever loads. The wordmarks
+# are the brand's primary logo, black for light backgrounds and white for dark,
+# kept for READMEs and banners. GemDB_Favicon.png is the brand's dark-mode
+# favicon at full size, 120 KB that would otherwise ride in every install:
+# resources/icon.png is rendered from it by scripts/render-icon.sh (regenerate
+# it there, not by hand). GemDB_Icon.svg is the gem, and
+# resources/gemdb-sidebar.svg is traced from it.
+resources/GemDB_Favicon.png
 resources/GemDB_Icon.svg
+resources/GemDB_Wordmark_*.svg
 **/*.map
 **/*.ts
 !out/**/*.js

CHANGELOG.md

@@ -64,6 +64,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   write a change into the saved stack, which then no longer holds the values it was saved with. Closing the stack
   with changes pending asks whether to commit them; otherwise they are discarded.
 
+### Changed
+
+- **The new GemDB brand.** The Marketplace and Extensions view icon is GemDB's dark-mode favicon, the
+  gem on a blue gradient, and the activity bar shows the gem, recoloured to fit your theme with its
+  right face lighter as in the logo. The Marketplace page's banner is the brand's Core Purple.
+
 ### Fixed
 
 - **A classmethod's or staticmethod's frame is named by its class.** The Call Stack read

package.json

@@ -16,7 +16,7 @@
   "homepage": "https://github.com/GemTalk/GemDB_Code#readme",
   "qna": "https://github.com/GemTalk/GemDB_Code/issues",
   "galleryBanner": {
-    "color": "#1E2A38",
+    "color": "#0B0F38",
     "theme": "dark"
   },
   "engines": {

scripts/render-icon.sh

@@ -1,49 +1,42 @@
 #!/bin/bash
-# Render the Marketplace icon, resources/icon.png, from the mark's vector
-# source, resources/GemDB_Icon.svg.
+# Render the Marketplace icon, resources/icon.png, from the brand's dark-mode
+# favicon, resources/GemDB_Favicon.png.
 #
-# The Marketplace will not take an SVG for `icon`, so the PNG is a derived
-# file, and this is how it is derived. Regenerate it here rather than by hand:
-# the white bars this replaced were a raster padded out to a square with
-# opaque white instead of transparency.
+# The favicon is a raster at roughly 1667 px a side and the brand publishes no
+# vector of it, so the PNG is a derived file, and this is how it is derived.
+# Regenerate it here rather than by hand.
 #
 # 256x256, because the Marketplace shows the icon at 128 CSS pixels and a
-# 128 px raster is soft on a high-DPI screen. Transparent, because the page
-# behind it is dark. The mark is 240 px tall, centred, which leaves 8 px of
-# margin above and below; its width follows from its aspect ratio.
+# 128 px raster is soft on a high-DPI screen. The favicon is a full-bleed tile,
+# so there is no margin to add. Its sides differ by a pixel, so it is cropped
+# square about its centre before scaling, rather than scaled out of proportion.
 #
 # The activity-bar icon, resources/gemdb-sidebar.svg, is not generated: it is
-# a single-colour redrawing of this mark, and its header says how.
+# a single-colour redrawing of the gem, resources/GemDB_Icon.svg, and its
+# header says how.
 #
-# Needs rsvg-convert 2.52 or later, for --page-width and friends
-# (macOS: `brew install librsvg`; Debian/Ubuntu: `apt install librsvg2-bin`).
+# Needs sips, which ships with macOS.
 #
 # Usage:
 #   scripts/render-icon.sh
 
 set -euo pipefail
 
 REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-SRC="$REPO/resources/GemDB_Icon.svg"
+SRC="$REPO/resources/GemDB_Favicon.png"
 OUT="$REPO/resources/icon.png"
 
-command -v rsvg-convert >/dev/null || {
-  echo "rsvg-convert not found; see the header of $0 for how to install it." >&2
+command -v sips >/dev/null || {
+  echo "sips not found; it ships with macOS, so run $0 on a Mac." >&2
   exit 1
 }
 
 PAGE=256
-HEIGHT=240
-# Width and left offset from the source's viewBox, so the mark stays centred if
-# the artwork's proportions ever change.
-read -r VB_W VB_H < <(sed -n 's/.*viewBox="[^ ]* [^ ]* \([^ ]*\) \([^"]*\)".*/\1 \2/p' "$SRC")
-read -r WIDTH LEFT TOP < <(awk -v w="$VB_W" -v h="$VB_H" -v H="$HEIGHT" -v P="$PAGE" \
-  'BEGIN { W = H * w / h; printf "%.2f %.2f %.2f\n", W, (P - W) / 2, (P - H) / 2 }')
+read -r SRC_W SRC_H < <(sips -g pixelWidth -g pixelHeight "$SRC" |
+  awk '/pixelWidth/ { w = $2 } /pixelHeight/ { h = $2 } END { print w, h }')
+SIDE=$((SRC_W < SRC_H ? SRC_W : SRC_H))
 
-rsvg-convert "$SRC" \
-  --width "${WIDTH}px" --height "${HEIGHT}px" \
-  --page-width "${PAGE}px" --page-height "${PAGE}px" \
-  --left "${LEFT}px" --top "${TOP}px" \
-  --format png --output "$OUT"
+sips --cropToHeightWidth "$SIDE" "$SIDE" --resampleHeightWidth "$PAGE" "$PAGE" \
+  --setProperty format png "$SRC" --out "$OUT" >/dev/null
 
-echo "Wrote $OUT (${PAGE}x${PAGE}, mark ${WIDTH}x${HEIGHT} at ${LEFT},${TOP})"
+echo "Wrote $OUT (${PAGE}x${PAGE}, from a ${SIDE}x${SIDE} crop of ${SRC_W}x${SRC_H})"