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nanogui-customization-demo

Build Status Travis Build status Appveyor

DANGER

This was a failed prototype, follow mitsuba-renderer/nanogui #57 to know when custom theming is implemented.

THIS REPO IS STALE and only works off changes to the old wjakob/nanogui fork. The theme builder will not give you valid class definitions unless you're using the fork I have here, which is also stale!

What is This?

This repository includes code demonstrating how to customize the NanoGUI theme, and embedding custom fonts and icon fonts.

Overview

Building the Code

To run the example customizations found in this repository, first clone and build from source:

$ git clone --recursive https://github.com/svenevs/nanogui-customization-demo.git
$ cd nanogui-customization-demo/
$ mkdir build
$ cd build

Linux / OSX

Generate a Makefile and build in parallel (-j 4 says use four cores, you may also run make -j to use all available cores).

$ cmake ..
$ make -j 4

Windows

Typically you will want to generate a Visual Studio project, making sure to generate a 64 bit project (the default is 32). Run cmake -G to see the available generators, an example for generating a Visual Studio 2015 64 bit build may look like

$ cmake -G "Visual Studio 14 2015 Win64" ..

You can then either launch the visual studio project (.sln file), or run

$ cmake --build . --config Release

Applications

Running the Applications

This repository was originally created to test modifications being made to NanoGUI with respect to theme and font customization. When the applications are built in some build directory, the results will look something like this:

build/
    bin/
        example1  example2  example3  example4  example_icons  # From NanoGUI
        custom_theme_and_fonts
        custom_icon_theme_and_fonts
    python/
        ...
        custom_theme_and_fonts.py
        custom_icon_theme_and_fonts.py
        theme_builder.py
    icons/
        icon1.png ...

The only reason this needs to be brought up is that the icons folder is searched for via a hard-coded path to test the nanogui::ImageView widget. For the C++ applications, run from the build directory:

$ ./bin/custom_theme_and_fonts

For the Python applications, those files are all copied to the directory where the NanoGUI python bindings are built. Without changing PYTHONPATH or installing, you need to run from the same directory as this library in order to import nanogui:

$ cd python/
$ python3 theme_builder.py

Custom Theme and Fonts

custom theme and fonts

👀 See the documentation on customization for more information!

The bin/custom_theme_and_fonts and python/custom_theme_and_fonts.py applications use the CustomTheme class (defined in cpp/custom_theme.hpp / python/custom_theme.py). It shows how to load additional font faces, set them as the theme defaults, and customize some of the default icons.

Custom Icon Theme and Fonts

custom icon theme and fonts

👀 See the documentation on customization for more information!

The bin/custom_icon_theme_and_fonts and python/custom_icon_theme_and_fonts.py applications use the FontawesomeTheme class (defined in cpp/custom_theme.hpp / python/custom_theme.py). It shows how to load additional icon font faces, as well as change the remaining icon related aspects of nanogui::Theme.

Theme Builder

theme builder

From the build directory:

$ cd python/
$ python3 theme_builder.py

The application helps visualize what colors affect which widgets. For color manipulations, use <shift + left click> to "mark" a color, and <ctrl + left click> to "paste" the currently marked color. This can be useful in conjunction with the "Darken by 5%" and "Lighten by 5%" for differentiating in and out of focus colors.

When you are satisfied with the new colors and sizes, the C++ and Python buttons will populate your clipboard with a full class definition using the customizations you have created. Paste that into a source file to use in your project.

You can also use the JSON button to populate the clipboard with data as a temporary save feature. If you make changes that you do not like, simply Load JSON from Clipboard to undo those changes. Each C++ and Python class generated includes a comment with the full JSON to allow for future tweaks.

Note: the theme builder application does not support customization of icons, nor customization of default fonts. See the source code for the above two applications for how to customize default fonts / default icons etc.

Example Fontawesome

The bin/example_fontawesome and python/example_fontawesome.py were generated by the nanogui-custom-font-generator utility.

License

Code in this Repository

See the top of each file for the license, there are two possible:

  1. It was code taken directly from NanoGUI's example1.cpp. The license at the top is NanoGUI's license.
  2. The rest of the code such as CMakeLists.txt and everything else is CC0. There's nothing special about this code, it came to fruition out of a need for testing.

Font Awesome 5 Free

The generated Font Awesome 5 Free fontawesome.ttf font was generated by using their (graciously hosted) raw SVG images. So their license indicates that this is governed by CC-BY-SA 4.0.

NOTE: if you want to use the existing generated resources/fontawesome utilities in your own repository, you are more than welcome to without attribution to this repository. The license information is already at the top of fontawesome.h and constants_fontawesome.cpp. What you will need to do is provide attribution (e.g., in your README.md) clarifying that the generated fontawesome.ttf is CC-BY-SA 4.0 as per their license. It would also be a good idea to track their LICENSE as done here as well.

Membra Font

The Membra font is governed by a CC-BY-SA 4.0 license.

Spectral Font

The Spectral font is governed by the SIL Open Font License.

Spirax Font

The Spirax font is governed by the SIL Open Font License.