preparations for sticker bot update (#69)

* preparations for sticker bot update

* remove file ending

* fix some emoji mapping

* fix some review nits from Miepee

* Delete root.txt

* fix more nits

* bow to our all mighty Miepee overlord!

.gitattributes

@@ -0,0 +1 @@
+*.png filter=lfs diff=lfs merge=lfs -text

.github/workflows/main.yml

@@ -0,0 +1,17 @@
+name: Test SVGs
+
+# Triggers the workflow on push / pull request events, and on manual trigger
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  Test-SVGs:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+
+      - name: Check SVG validity
+        run: |
+            set -e
+            bash ./checkEmojis.sh

LICENSE

@@ -1,19 +1,9 @@
-Copyright (c) 2018 Twitter, Inc and other contributors
+This project is using two different licenses, which apply as described in the following section.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+By contributing you agree to license your contribution under the terms of the GPLv3 (for code) and CC-BY 4.0 (for graphics) licenses. 
+The corresponding license can be found in the LICENCE-CODE and LICENSE-GRAPHICS file respectively. 
+The following links also reference the licenses:
 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
+GPLv3: https://github.com/Riesi/frog_emojis/blob/master/LICENSE-CODE
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+CC-BY 4.0: https://github.com/Riesi/frog_emojis/blob/master/LICENSE-GRAPHICS

LICENSE-CODE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
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+
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+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

LICENSE-GRAPHICS

@@ -0,0 +1,393 @@
+Attribution 4.0 International
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README.md

@@ -1,4 +1,49 @@
-All theses frogs are based on the SVGs of the twitter emoji set (https://twemoji.twitter.com).
-The license is the same as of the twitter emoji's and can be found in the LICENSE file.
+Most of theses frogs are based on the SVGs of [Twemoji](https://twemoji.twitter.com) by Twitter, Inc and other contributors ([CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/)). Others are unique designs with other inspirations in mind.
 
-🐸
+Here is a website showing all frog images in the current repository:  
+https://riesi.github.io/frog_emojis/
+
+Have fun using them! 🐸
+
+## License
+
+By contributing you agree to license your contribution under the terms of the GPLv3 (for code) and CC-BY 4.0 (for graphics) licenses. The corresponding license can be found in the LICENCE-CODE and LICENSE-GRAPHICS file respectively. The following links also reference the licenses:
+
+GPLv3: https://github.com/Riesi/frog_emojis/blob/master/LICENSE-CODE
+
+CC-BY 4.0: https://github.com/Riesi/frog_emojis/blob/master/LICENSE-GRAPHICS
+
+## Contributing
+When submitting PRs keep the following in mind please:
+
+- only submit SVGs. PNGs will be automatically generated by a maintainer after a merged PR.
+- use the following naming scheme: verb/adjective+Frog+Object+Differential with camelCase. For example, `sleepyFrogFamilyTkg` for an emoji with a sleepy frog family, which is differentiated from a sleepy frog family, by including Tkg.
+  - should you submit an emoji that has a clear emoji mapping to it, please prefix it with `U[unicodeChracter]-`. For example, `U1f35e-frogBread`.
+  - should you be on Windows and case sensitivity seems to commit wrong, run the following command in the git repo: `git config core.ignorecase false`
+- only submit SVGs with the file ending `.svg`. Not `.SVG` or `.sVg`
+
+In addition to the following guidelines for the SVG's:
+- file name should not contain spaces
+- the SVG should be a square
+- the SVG should not be all on one line.
+
+If you have Bash and Unix core utilities installed, you can execute the `checkEmojis.sh` script to locally check if your SVGs fulfill the requirements.
+
+## Generating PNGs 
+If you want to locally generate PNGs from the SVGs, you can use the `gen_png.py` script.
+
+### Dependencies
+- Python 3.9 - To run the script.
+- Inkscape - Used to generate the PNGs. Needs to be located in PATH.
+- (Optional) git - Can be used to automatically add a new commit with the generated PNGs.
+
+### Usage
+```
+gen_png.py [OPTION]
+
+-h, --help                      Shows this help message.
+-a, --all                       Generate PNGs of all SVGs.
+-s, --specific S [S ...]        Generate PNGs for each S in the "svg" folder. The '.svg' suffix is optional.
+-r, --resolution R [R ...]      Custom resolutions that will be generated instead of the defaults (72, 512, 1024).
+-g, --git                       Generates PNGs of SVGs that changed since last auto tag and creates a git commit with them. Requires 'git' to be installed and located in PATH.
+```

checkEmojis.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+# Enables globstar to recursively go through folders
+shopt -s globstar
+errArr=()
+for f in ./svg/**/*.svg 
+do
+  echo "Checking '$f'"
+  
+  # Checking if file contains space in path
+  if [[ $f == *\ * ]] ; then
+    errArr+=("$f contains a space!")
+  fi
+  
+  # Save first few lines of file into variable to make parsing faster
+  headfile=$(head -n 50 "$f")
+  # Gets everything in between the viewBox quotes
+  vbStr=${headfile}
+  vbStr=${vbStr##*viewBox=\"}
+  vbStr=${vbStr%%\"*}
+
+  # sets x, y, width, height params
+  vbArr=($vbStr)
+  vbX=${vbArr[0]}
+  vbY=${vbArr[1]}
+  vbW=${vbArr[2]}
+  vbH=${vbArr[3]}
+
+  # Check that viewbox' x and y are 0
+  if [[ $vbX != 0 || $vbY != 0 ]] ; then
+    errArr+=("$f has viewBox' x: $vbX and y: $vbY")
+  fi
+
+  # Check that viewbox' width and height are equal
+  if [[ $vbW != $vbH ]] ; then
+    errArr+=("$f has viewbox -width: $vbW and -height: $vbH")
+  fi
+
+  # Check if normal width/height parameters exist and
+  # if yes, compare them with viewBox height/width
+  svgTags=${headfile}
+  svgTags=${svgTags##*\<svg}
+  svgTags=${svgTags%%\>*}
+  
+  # Width comparison
+  if [[ $svgTags == *width* ]] ; then
+    w=${svgTags##*width=\"}
+    w=${w%%\"*}
+    if [[ $w != $vbW ]] ; then
+      errArr+=("$f has width: $w but viewbox-width: $vbW")
+    fi
+  fi
+
+  # Height comparison
+  if [[ $svgTags == *height* ]] ; then
+    h=${svgTags##*height=\"}
+    h=${h%%\"*}
+    if [[ $h != $vbH ]] ; then
+      errArr+=("$f has height: $h but viewbox-height: $vbH")
+    fi
+  fi
+  
+  # Check that svg is not 1 line
+  if [[ $(wc -l < "$f") == 0 ]] ; then
+    errArr+=("$f is only one line!")
+  fi
+done
+
+# Results
+# If the error Array is not empty, print everything from it and error out
+# Otherwise exit normally
+echo "--------------------"
+if [[ ${#errArr[@]} != 0 ]] ; then
+  for errMess in "${errArr[@]}"
+  do
+    echo $errMess
+  done
+  exit 1
+fi
+echo "No Errors!"

gen_png.py

@@ -1,12 +1,203 @@
+#!/usr/bin/env python3
 
+###########################################################################
+#    Copyright (C) 2022  Stefan Riesenberger, Miepee, famfo
+#
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+###########################################################################
+
+import argparse
 import glob
 import ntpath
+import os
+import re
 import subprocess
+import sys
+# Dependencies: (optional) git, inkscape, python 3.9
 
-files = [f for f in glob.glob("./**/*.svg", recursive=True)]
-sizes = [16, 32, 64, 128, 256, 512, 1024, 4096]
 
-for f in files:
-    name = ntpath.basename(f).replace(".svg", "")
-    for s in sizes:
-        subprocess.run(["inkscape", "-z", "-C", "-w", str(s), "-e", "./png/"+str(s)+"/"+name+".png", "-f", f])
+# deletes raster graphics with given name
+def delete_graphics(name):
+    """Delete each PNG file in name"""
+    for file in name:
+        file = file.removeprefix('svg/').removesuffix('.svg')
+        for directory in glob.glob(f"./png/**/{file}.png", recursive=True):
+            print(f"deleting: {directory}")
+            os.remove(directory)
+
+# rasters SVGs via Inkscape
+def raster_graphics(files, sizes = None):
+    """Rasters each file in files via Inkscape"""
+    sizes = [72, 512, 1024] if sizes is None else sizes
+    frogs = len(files)-1
+    for file in files:
+        name = ntpath.basename(file).replace(".svg", "")
+        print('\n------------------------------')
+        print(f"{frogs} remaining...\nRastering {name}\n")
+        frogs = frogs - 1
+        for size in sizes:
+            # make sure the subdirectories exist
+            raster_path = f"./png/{size}/{os.path.dirname(file.removeprefix('svg/').removesuffix('.svg'))}"
+            if not os.path.exists(raster_path) :
+                os.makedirs(raster_path ,exist_ok=True)
+            # invoke Inkscape to raster the given vector graphics
+            subprocess.run(["inkscape", file, "-C", "-h", str(size),
+                            f"--export-filename={raster_path}/{name}.png"],timeout=30, check=True)
+
+def print_pipe(out):
+    if out != '':
+        print(out)
+
+# git add given files
+def git_add_raster(files):
+    """Git add's each file in files"""
+    for file in files:
+        file = file.removeprefix('svg/').removesuffix('.svg')
+        stream = os.popen(f"git add ./png/**/{file}.png")
+        print_pipe(stream.read())
+
+# git commit given files
+def git_commit_raster():
+    """Creates a new autogenerated git commit with the PNGs"""
+    stream = os.popen('git commit -m "[png] generate PNGs"')
+    print_pipe(stream.read())
+
+# create a new tag with a description containing the added, modified, deleted and renamed files
+def create_tag(added, modified, deleted, renamed_old, renamed_new):
+    """Creates a new git tag and names it appropriately"""
+    if len(renamed_old) != len(renamed_new):
+        raise Exception("Mismatch of renamed_old/renamed_new length!")
+    # get tags
+    stream = os.popen('git tag -l "auto-v*"')
+    output = stream.read()
+    tags = output.split('\n')
+    tags.remove('')
+    # create tag message
+    added = '\n'.join([x.removeprefix('svg/').removesuffix('.svg') for x in added])
+    modified = '\n'.join([x.removeprefix('svg/').removesuffix('.svg') for x in modified])
+    deleted = '\n'.join([x.removeprefix('svg/').removesuffix('.svg') for x in deleted])
+    
+    i = 0
+    renamed = ''
+    while i < len(renamed_old):
+        old = renamed_old[i].removeprefix('svg/').removesuffix('.svg')
+        new = renamed_new[i].removeprefix('svg/').removesuffix('.svg')
+        renamed = f'{renamed}\n{old} -> {new}'
+        i+=1
+    message = f'**New:**\n{added}\n\n**Updated:**\n{modified}\n\n**Renamed:**{renamed}\n\n**Removed:**\n{deleted}'
+    # create new tag
+    stream = os.popen(f"git tag auto-v{len(tags)} -m '{message}'")
+    print_pipe(stream.read())
+
+# -------------------------------#
+#           main section
+# -------------------------------#
+def main():
+    """Main Method"""
+
+    # parse arguments
+    parser = argparse.ArgumentParser(description='Automate rasterization of SVGs to PNGs.')
+    mutex_group = parser.add_mutually_exclusive_group(required=True)
+    mutex_group.add_argument("-a", "--all", action="store_true", help="Generate PNGs of all SVGs.")
+    mutex_group.add_argument("-s", "--specific", metavar='S', type=str, nargs="+",
+                             help="Generate PNGs for each S in the \"svg\" folder. " +
+                                  "The '.svg' suffix is optional.")
+    parser.add_argument("-r", "--resolution", metavar='R', type=int, nargs="+",
+                        help="Custom resolutions that will be generated instead of the defaults (72, 512, 1024).")
+    mutex_group.add_argument("-g", "--git", action="store_true",
+                             help="Generates PNGs of SVGs that changed since last auto tag and creates a git commit with them. " +
+                                  "Requires 'git' to be installed and located in PATH.")
+    # this will error out on invalid argument configurations
+    args = parser.parse_args()
+    
+    for res in args.resolution or []:
+        if res <= 0 or res >= 2147483647:
+            print("Resolutions have to be in the range between 0 and 2147483647!")
+            exit(1)
+    sizes = args.resolution
+    files = []
+
+    # if "git" parameter was specified, regenerate since last tag + create git commit
+    if args.git:
+        # get modified, added, renamed, deleted SVGs since last tag
+        # call this on windows a) with PS for the $() and b) replace grep with PS' equivalent
+        git_command = 'git diff --name-status $(git describe --tags --abbrev=0 --match "auto-v*") HEAD'
+        if sys.platform == "win32":
+            os.environ["COMSPEC"] = 'powershell'
+            stream = os.popen(f"{git_command} | Select-String svg/")
+        else:
+            stream = os.popen(f"{git_command} | grep svg/")
+        output = stream.read()
+        files = output.split('\n')
+        files.remove('')
+
+        if len(files) == 0:
+            print('No SVGs to regenerate!')
+            sys.exit(1)
+            
+        split_files = list()
+        additions = list()
+        modifications = list()
+        deleted = list()
+        renamed_old = list()
+        renamed_new = list()
+        for s in reversed(files):
+            split_file = s.split('\t')
+            if 'A' == split_file[0]:
+                additions.append(split_file[1])
+            elif 'M' == split_file[0]:
+                modifications.append(split_file[1])
+            elif 'D' == split_file[0]:
+                deleted.append(split_file[1])
+            elif re.match(r"R[0-9]+", split_file[0]):
+                renamed_old.append(split_file[1])
+                renamed_new.append(split_file[2])
+            else:
+                print(f'Unrecognized git action: {split_file}')
+                sys.exit(1)
+
+
+        print('\nAdditions:')
+        raster_graphics(additions, sizes)
+        git_add_raster(additions)
+        print('\nModifications:')
+        raster_graphics(modifications, sizes)
+        git_add_raster(modifications)
+        print('\nRenamed:')
+        delete_graphics(renamed_old)
+        raster_graphics(renamed_new)
+        git_add_raster(renamed_old)
+        git_add_raster(renamed_new)
+        print('\nDeletions:')
+        delete_graphics(deleted)
+        git_add_raster(deleted)
+        
+        # commit and tag
+        git_commit_raster()
+        create_tag(additions, modifications, deleted, renamed_old, renamed_new)
+    # if "all" parameter was specified, raster all svgs including subfolders
+    if args.all:
+        files = list(glob.glob('svg/**/*.svg', recursive=True))
+        raster_graphics(files, sizes)
+    # if "specific" parameter was specified, only render those
+    if args.specific:
+        for file in args.specific:
+            file = file.removeprefix('svg/').removesuffix('.svg')
+            if os.path.exists(f"svg/{file}.svg"):
+                files.append(f"svg/{file}.svg")
+        raster_graphics(files, sizes)
+
+if __name__ == "__main__":
+    main()

png/1024/FrogOS_assets/frogDetective.png

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+size 64409

png/1024/FrogOS_assets/frogMouse.png

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png/1024/FrogOS_assets/pointyFrogMouse.png

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png/1024/U1f31e-frogSun.png

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