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Reinhold Gschweicher 77546c9fe2 lv_img_conv_py: minimal python port of node module
Create a minimal python port of the node.js module `lv_img_conv`. Only
the currently in use color formats `CF_INDEXED_1_BIT` and
`CF_TRUE_COLOR_ALPHA` are implemented.

Output only as binary with format `ARGB8565_RBSWAP`.

This is enough to create the `resources-1.13.0.zip`.

Python3 implements "propper" "banker's rounding" by rounding to the nearest
even number. Javascript rounds to the nearest integer.
To have the same output as the original JavaScript implementation add a custom
rounding function, which does "school" rounding (to the nearest integer)

Update CMake file in `resources` folder to call `lv_img_conf.py` instead of
node module.

For docker-files install `python3-pil` package for `lv_img_conv.py` script.
And remove the `lv_img_conv` node installation.

---

gen_img: special handling for python lv_img_conv script

Not needed on Linux systems, as the shebang of the python script is read
and used. But just to be sure use the python interpreter found by CMake.
Also helps if tried to run on Windows host.

---

doc: buildAndProgram: remove node script lv_img_conv mention

Remove node script `lv_img_conv` mention and replace it for
runtime-depency `python3-pil` of python script `lv_img_conv.py`.
2023-10-26 22:45:01 +02:00

55 lines
1.2 KiB
Docker

FROM ubuntu:22.04
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update -qq \
&& apt-get install -y \
# x86_64 / generic packages
bash \
build-essential \
cmake \
git \
make \
python3 \
python3-pip \
python3-pil \
python-is-python3 \
tar \
unzip \
wget \
curl \
# aarch64 packages
libffi-dev \
libssl-dev \
python3-dev \
git \
apt-utils \
pkg-config \
libpixman-1-dev \
libcairo2-dev \
libpango-1.0-0 \
ibpango1.0-dev \
libpangocairo-1.0-0 \
&& curl -sL https://deb.nodesource.com/setup_18.x | bash - \
&& apt-get install -y nodejs \
&& rm -rf /var/cache/apt/* /var/lib/apt/lists/*;
# Git needed for PROJECT_GIT_COMMIT_HASH variable setting
RUN pip3 install adafruit-nrfutil
RUN pip3 install -Iv cryptography==3.3
RUN pip3 install cbor
RUN npm i lv_font_conv@1.5.2 -g
# build.sh knows how to compile
COPY build.sh /opt/
# Lets get each in a separate docker layer for better downloads
# GCC
RUN bash -c "source /opt/build.sh; GetGcc;"
# NrfSdk
RUN bash -c "source /opt/build.sh; GetNrfSdk;"
# McuBoot
RUN bash -c "source /opt/build.sh; GetMcuBoot;"
ENV SOURCES_DIR /sources
CMD ["/opt/build.sh"]