Initial

.github/workflows/build_fonts.yaml

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+# Builds fonts either when a prerelease version tag (e.g. v1.2-foo)
+# is created, or when source is changed.
+#
+# When a version tag is created, a pre-release is automatically created.
+#
+# Otherwise, when source changes without a tag being created,
+# the build artifacts are uploaded to github and saved for 1 day.
+# They can be found at https://github.com/rsms/inter/actions/runs/RUNID
+name: Build fonts
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "src/**"
+      - Makefile
+      - requirements.txt
+      - version.txt
+    tags:
+      - "v*"
+  pull_request:
+    branches: [main]
+    paths:
+      - "src/**"
+      - Makefile
+      - requirements.txt
+      - version.txt
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install utilities
+        run: sudo apt-get install -y zip
+
+      - name: make init
+        run: make init
+
+      - name: Define version (tag)
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          VERSION=${{ github.ref }}
+          VERSION=${VERSION:11}  # refs/tags/v1.2.3 => 1.2.3
+          echo "InterNumeric_version=$VERSION" >> $GITHUB_ENV
+
+      - name: Define version (branch)
+        if: ${{ ! startsWith(github.ref, 'refs/tags/v') }}
+        run: |
+          GITSHA=${{ github.sha }}
+          VERSION=$(cat version.txt)
+          echo "InterNumeric_version=${VERSION}-${GITSHA:0:7}" >> $GITHUB_ENV
+
+      - name: make build
+        run: |
+          ZIP=InterNumeric-${{ env.InterNumeric_version }}.zip
+          echo "InterNumeric_zip=$ZIP" >> $GITHUB_ENV
+          make zip
+          mv InterNumeric.zip "$ZIP"
+
+      - name: Upload archive (unless tag)
+        if: ${{ ! startsWith(github.ref, 'refs/tags/v') }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: "${{ env.InterNumeric_version }}"
+          path: ${{ env.InterNumeric_zip }}
+          retention-days: 1
+
+      - name: Create release (if tag)
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v2
+        with:
+          prerelease: true
+          name: "${{ env.InterNumeric_version }}"
+          body: "This release was created automatically"
+          files: ${{ env.InterNumeric_zip }}

.gitignore

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+.DS_Store
+fonts
+venv
+*.stamp
+update.md
+fonts-temp
+src/NovaGothic（自动存储）.glyphs

LICENSE

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+Copyright (c) <dates>, <Copyright Holder> (<URL|email>),
+with Reserved Font Name <Reserved Font Name>.
+Copyright (c) <dates>, <additional Copyright Holder> (<URL|email>),
+with Reserved Font Name <additional Reserved Font Name>.
+Copyright (c) <dates>, <additional Copyright Holder> (<URL|email>).
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

Makefile

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+help:
+	@echo "###"
+	@echo "# Build targets for Inter Numeric"
+	@echo "###"
+	@echo
+	@echo "  make build:  Builds the fonts and places them in the fonts/ directory"
+	@echo "  make zip:  Zip all fonts into a zip"
+	@echo
+
+init: requirements.txt
+	pip install -Ur requirements.txt
+	touch init.stamp
+
+build: build.stamp
+
+build.stamp: init.stamp
+	fontmake -f src/InterNumeric.glyphspackage -o variable --output-path fonts/variable/InterNumeric[wght,rdns].otf --filter DecomposeTransformedComponentsFilter
+	python misc/scripts/gen_woff2.py
+	touch build.stamp
+
+ufo: ufo.stamp
+
+ufo.stamp: init.stamp
+	fontmake -f src/InterNumeric.glyphspackage -o ufo --output-dir fonts-temp/master-ufo
+
+zip: build.stamp
+	cp -rf fonts InterNumeric
+	zip -r InterNumeric.zip InterNumeric
+	rm -rf InterNumeric
+
+test: build.stamp
+	fontbakery check-universal fonts/variable/InterNumeric[wght,rdns].otf
+
+cleanbuild:
+	rm -rf fonts
+	rm build.stamp
+
+cleanufo:
+	rm -rf fonts-temp
+	rm ufo.stamp
+
+update:
+	pip install -Ur requirements.txt

README.md

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+# Inter Numeric
+
+Inter Numeric is a variable font based on Inter, providing a versatile look for number figures.
+
+![Inter Numeric Specimen](<misc/images/specimen.png>)
+
+## OpenType Features
+
+- Slashed Zero
+- Case-sensitive Form
+
+## Roadmap
+
+- Alternate form for 1, 3, 4, 6 and 9
+- Tabular Forms
+
+## Issues
+
+Inter Numeric is still in early stage of development. Start an issue if you find any problems.

misc/scripts/gen_woff2.py

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+from fontTools.ttLib.woff2 import compress
+
+# Usage example
+otf_path = 'fonts/variable/InterNumeric[wght,rdns].otf'
+woff2_path = 'fonts/variable/InterNumeric[wght,rdns].woff2'
+
+# Convert the variable font to WOFF2 format
+compress(otf_path, woff2_path)

requirements.txt

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+fontmake
+gftools
+fonttools
+fontbakery
+shaperglot

src/InterNumeric.glyphspackage/UIState.plist

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+{
+displayStrings = (
+"12:23
+23//23
+34-23   
+23+23",
+"4",
+"+",
+"/zero.zero"
+);
+}