From 4d4ace8fe12dd39588588c63eee7e69b4be1fc4c Mon Sep 17 00:00:00 2001 From: Andreas Hartmann Date: Fri, 14 Nov 2025 08:41:56 +0100 Subject: [PATCH 1/2] cloudy:0.1.1 Add a new package, cloudy, that displays word clouds. Check out the repository for more: --- packages/preview/cloudy/0.1.1/COPYING | 674 ++++++++++++++++++ packages/preview/cloudy/0.1.1/README.md | 152 ++++ packages/preview/cloudy/0.1.1/assets/demo.svg | 504 +++++++++++++ .../preview/cloudy/0.1.1/assets/usage.png | Bin 0 -> 12471 bytes packages/preview/cloudy/0.1.1/src/clouds.typ | 133 ++++ packages/preview/cloudy/0.1.1/src/lib.typ | 5 + packages/preview/cloudy/0.1.1/src/spirals.typ | 74 ++ packages/preview/cloudy/0.1.1/typst.toml | 35 + 8 files changed, 1577 insertions(+) create mode 100644 packages/preview/cloudy/0.1.1/COPYING create mode 100644 packages/preview/cloudy/0.1.1/README.md create mode 100644 packages/preview/cloudy/0.1.1/assets/demo.svg create mode 100644 packages/preview/cloudy/0.1.1/assets/usage.png create mode 100644 packages/preview/cloudy/0.1.1/src/clouds.typ create mode 100644 packages/preview/cloudy/0.1.1/src/lib.typ create mode 100644 packages/preview/cloudy/0.1.1/src/spirals.typ create mode 100644 packages/preview/cloudy/0.1.1/typst.toml diff --git a/packages/preview/cloudy/0.1.1/COPYING b/packages/preview/cloudy/0.1.1/COPYING new file mode 100644 index 0000000000..f288702d2f --- /dev/null +++ b/packages/preview/cloudy/0.1.1/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/packages/preview/cloudy/0.1.1/README.md b/packages/preview/cloudy/0.1.1/README.md new file mode 100644 index 0000000000..803eddc6f0 --- /dev/null +++ b/packages/preview/cloudy/0.1.1/README.md @@ -0,0 +1,152 @@ + + +# Cloudy + +A word cloud generator for [`typst`][typst]. + +By [Andreas Hartmann (@hartan)][0] + +![A word cloud with a colorful selection of differently-sized words and icons][1]{width=100%} + +[0]: https://gitlab.com/hartan +[1]: ./assets/demo.svg + + +## Table of contents + +1. [Project description][a] +1. [Who this project is for][b] +1. [Project dependencies][c] +1. [Usage][f] +1. [Additional documentation][g] +1. [Troubleshooting][h] +1. [Contributing][i] +1. [Getting help][j] +1. [License and Copying][k] + +[a]: #project-description +[b]: #who-this-project-is-for +[c]: #project-dependencies +[f]: #usage +[g]: #additional-documentation +[h]: #troubleshooting +[i]: #contributing +[j]: #getting-help +[k]: #license-and-copying + + +## Project description + +With cloudy you can generate so-called word clouds, a kind of visualization that arranges words or +any other kind of element in a cloud-like pattern. Word clouds are commonly used to visualize the +frequency of words in texts, but this package will happily arrange anything you give it. + + +## Who this project is for + +This project is targeted at document authors looking for a playful way to display big quantities of +words or similar elements. It is especially suited in situations where the elements to be displayed +can be weighed (i.e. varied in size) meaningfully. + + +## Project dependencies + +All you need to use this project is an installation of [`typst`][typst]. + + +## Usage + +Import the package into your document like this: + +```typst +#import "@preview/cloudy:0.1.1" +``` + +Now you can create clouds of whatever content you like: + +```typst +#set page(width: 3cm, height: 3cm) +#cloudy.cloud(( + box(inset: 2pt, stroke: red, text(size: 16pt, "Hello")), + box(inset: 4pt, stroke: green, text(size: 12pt, "Typst")), + box(inset: 3pt, stroke: blue, text(size: 10pt, "Community!")), +)) +``` + +And the result looks like this: + +![A word cloud saying "Hello Typst Community!" in colored boxes with shuffled order][f0] + +[f0]: assets/usage.png + + +## Additional documentation + +**TL;DR**: [Docs for the latest version][g0] + +Next to a list of all functions, the documentation also contains a few examples for how to use this +code. The documentation for a specific version of this package is always attached as asset to [the +respective release][g1]. + +The documentation can be created locally provided you have set up the development environment for +this project (refer to the [Contributing section][i]). The following command creates a PDF version +of the docs including references to external sources etc.: + +```bash +bin/make pdf +``` + +More (verified working) examples can be found [in the examples directory][g2]. + +[g0]: https://gitlab.com/hartang/typst/cloudy/-/releases/0.1.1/downloads/docs.pdf +[g1]: https://gitlab.com/hartang/typst/cloudy/-/releases +[g2]: ./examples/ + + +## Troubleshooting + +*There's nothing here yet, please let us know if the project gave you trouble!* + + +## Contributing + +We accept various contributions (including bug reports, bug fixes, feature suggestions, ...). Please +refer to [the CONTRIBUTING guide][i0] for additional information. + +[i0]: ./CONTRIBUTING.md + + +## Getting help + +If you need help, take a look at [our issue tracker][issue_tracker]. If you feel your particular +problem isn't handled there, [please open an issue][open_an_issue] and let us know. + + +## License and Copying + +Copyright (C) 2025 Andreas Hartmann + +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 in [the license file][d0] along +with this program. If not, see . + +[d0]: ./COPYING + + +[typst]: https://typst.app + +[open_an_issue]: https://gitlab.com/hartang/typst/cloudy/-/issues/new?type=ISSUE +[issue_tracker]: https://gitlab.com/hartang/typst/cloudy/-/issues?state=all diff --git a/packages/preview/cloudy/0.1.1/assets/demo.svg b/packages/preview/cloudy/0.1.1/assets/demo.svg new file mode 100644 index 0000000000..49bd0fc4c9 --- /dev/null +++ b/packages/preview/cloudy/0.1.1/assets/demo.svg @@ -0,0 +1,504 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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`content` objects to scatter in the generated cloud. + /// + /// -> array + contents, + /// Total width of the resulting box. + /// + /// -> length + width: 100%, + /// Total height of the resulting box. + /// + /// -> length + height: 100%, + /// Function defining the spiral behavior. + /// + /// The function must take exactly two arguments: + /// + /// 1. `int`: The current spiral rotation number. A rotation is complete for every rotation of + /// 360 degree. Rotations start counting at 0. + /// 2. `angle`: The angle within the current rotation where the next point is to be placed. + /// + /// The function must return an array of exactly two values: + /// + /// 1. `length`: The x-coordinate to place the element on. + /// 2. `length`: The y-coordinate to place the element on. + /// + /// Unlike in regular carthesian coordinate systems, the y-coordinate is flipped (i.e. positive + /// values extend downwards, not upwards). This is consistent with typsts own coordinate + /// handling. The coordinates have their origin (i.e. point (0, 0)) in the center of the created + /// `content` object. + /// + /// -> function + spiral: spirals.elliptic, +) = { + testyfy.eltype( + contents, + content, + value-name: "contents", + ) + + context { + let placed = () + + for content in contents { + let rotation = 0 + let current_angle = 0deg + let ANGLE_INCREMENT = 3deg + let content_size = measure(content) + + while true { + let target_offset = spiral(rotation, current_angle) + let content_coordinates = ( + x: target_offset.at(0), + y: target_offset.at(1), + ) + let content_edges = ( + top: content_coordinates.y + (content_size.height / 2.0), + bottom: content_coordinates.y - (content_size.height / 2.0), + left: content_coordinates.x - (content_size.width / 2.0), + right: content_coordinates.x + (content_size.width / 2.0), + ) + //let content_corners = ( + // upper_right: (x: content_edges.top, y: content_edges.right), + // upper_left: (x: content_edges.top, y: content_edges.left), + // lower_left: (x: content_edges.bottom, y: content_edges.left), + // lower_right: (x: content_edges.bottom, y: content_edges.right), + //) + let content_info = ( + object: content, + coordinates: content_coordinates, + edges: content_edges, + //corners: content_corners, + ) + + + let has_collisions = false + for other in placed { + if other.edges.top < content_info.edges.bottom { + // Cannot intersect + continue + } + if other.edges.bottom > content_info.edges.top { + // Cannot intersect + continue + } + if other.edges.right < content_info.edges.left { + // Cannot intersect + continue + } + if other.edges.left > content_info.edges.right { + // Cannot intersect + continue + } + has_collisions = true + } + + if not has_collisions { + placed.push(content_info) + break + } + + // Try the next available position + current_angle = current_angle + ANGLE_INCREMENT + if current_angle > 360deg { + current_angle = current_angle - 360deg + rotation = rotation + 1 + } + } + } + + box( + width: width, + height: height, + for p in placed { + place( + center + horizon, + p.object, + dx: p.coordinates.x, + dy: p.coordinates.y, + ) + }, + ) + } +} diff --git a/packages/preview/cloudy/0.1.1/src/lib.typ b/packages/preview/cloudy/0.1.1/src/lib.typ new file mode 100644 index 0000000000..6b7082ab19 --- /dev/null +++ b/packages/preview/cloudy/0.1.1/src/lib.typ @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// SPDX-FileCopyrightText: (C) 2025 Andreas Hartmann + +#import "spirals.typ" +#import "clouds.typ": * diff --git a/packages/preview/cloudy/0.1.1/src/spirals.typ b/packages/preview/cloudy/0.1.1/src/spirals.typ new file mode 100644 index 0000000000..df0ff7d783 --- /dev/null +++ b/packages/preview/cloudy/0.1.1/src/spirals.typ @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// SPDX-FileCopyrightText: (C) 2025 Andreas Hartmann + +/// Create a circular spiral, moving outwards from some center point. +/// +/// -> (length, length) +#let circular( + /// The current rotation count of the spiral, starting from 0 (the innermost spiral rotation). + /// + /// -> int + rotation, + /// Current angle of the spiral in degree in the range [0deg; 360deg). An angle of 0deg extends + /// along the x-axis of a regular two-dimensional carthesian coordinate system. + /// + /// -> angle + angle, + /// Radius to move outward per spiral rotation. If you make a cut through the spirals center + /// point, all intersections going outwards are this length apart. + /// + /// -> length + radius_per_rotation: 3mm, +) = { + let radius = (rotation + (angle / 360deg)) * radius_per_rotation + ( + calc.cos(angle) * radius, + calc.sin(angle) * radius, + ) +} + +/// Create an elliptic spiral, moving outwards from some center point. +/// +/// -> (length, length) +#let elliptic( + /// The current rotation count of the spiral, starting from 0 (the innermost spiral rotation). + /// + /// -> int + rotation, + /// Current angle of the spiral in degree in the range [0deg; 360deg). An angle of 0deg extends + /// along the x-axis of a regular two-dimensional carthesian coordinate system. + /// + /// -> angle + angle, + /// Radius to increase the ellipsis width by per spiral rotation. If you make a cut through the + /// spirals center point, all intersections going outwards horizontally are this length apart. + /// + /// -> length + width_radius_per_rotation: 3mm, + /// Ratio of ellipsis width to height. A ratio > 1 creates an ellipsis with a width bigger than + /// its height. A ratio < 1 creates an ellipsis with a width smaller than its height. + /// + /// -> float + width_height_ratio: 2, +) = { + let r_width = (rotation + (angle / 360deg)) * width_radius_per_rotation + let r_height = r_width / float(width_height_ratio) + if (r_width.pt() < 0.1) or (r_height.pt() < 0.1) { + // As good as non-existent. + return (0mm, 0mm) + } + + let radius = ( + (r_width.mm() * r_height.mm()) + / calc.sqrt( + calc.pow(r_height.mm() * calc.cos(angle), 2) + + calc.pow(r_width.mm() * calc.sin(angle), 2), + ) + * 1mm + ) + + ( + calc.cos(angle) * radius, + calc.sin(angle) * radius, + ) +} diff --git a/packages/preview/cloudy/0.1.1/typst.toml b/packages/preview/cloudy/0.1.1/typst.toml new file mode 100644 index 0000000000..9a6c1e847e --- /dev/null +++ b/packages/preview/cloudy/0.1.1/typst.toml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: GPL-3.0-or-later +# SPDX-FileCopyrightText: (C) 2025 Andreas Hartmann + +[package] +# See: +# Required by Compiler +name = "cloudy" +version = "0.1.1" +entrypoint = "src/lib.typ" +# Required for Submission to Typst Universe +# See: https://github.com/typst/packages/blob/main/docs/README.md +authors = ["Andreas Hartmann "] +license = "GPL-3.0-or-later" +description = "Create clouds of words" +# Optional +repository = "https://gitlab.com/hartang/typst/cloudy" +keywords = ["wordcloud", "cloud", "word"] +categories = ["visualization", "fun"] +exclude = [ + # Hidden files + ".*", + # Build scaffolding + "bin/", + "LICENSES/", + # Other files + "docs/", + "examples/", + "test/", +] + +[tool.tytanic] +tests = "test" + +[tool.tytanic.default] +dir = "ltr" From 98b2434aa19450d0000de724681acf39eedf8a9b Mon Sep 17 00:00:00 2001 From: Andreas Hartmann Date: Fri, 14 Nov 2025 08:46:41 +0100 Subject: [PATCH 2/2] fix(cloudy/0.1.1): Exclude README images as required in the contribution template. The docs didn't mention this, so I missed it in advance. --- packages/preview/cloudy/0.1.1/typst.toml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/packages/preview/cloudy/0.1.1/typst.toml b/packages/preview/cloudy/0.1.1/typst.toml index 9a6c1e847e..638bc78f03 100644 --- a/packages/preview/cloudy/0.1.1/typst.toml +++ b/packages/preview/cloudy/0.1.1/typst.toml @@ -26,6 +26,8 @@ exclude = [ "docs/", "examples/", "test/", + # README images + "assets/", ] [tool.tytanic]