Prerequisites

sudo apt install libwxgtk3.0-gtk3-dev
sudo apt install libwebp-dev
sudo apt install libboost-dev

Building

meson builddir
cd builddir
ninja

Create snap

snapcraft

or

snapcraft remote-build --build-for=amd64

Running

cd builddir
./wxpic FILENAME

Update image data

util/files-to-h.py res/crosshair.png res/icons/* > src/image_data.h

Local install

Create ~/.local/share/applications/wxpic_dev.desktop with the content below. Replace WXPIC_REPO_PATH with the path to the wxPic repository.

[Desktop Entry]
Type=Application
Name=wxPic dev
GenericName=Image Editor
Comment=Minimal image editor
Icon=WXPIC_REPO_PATH/snap/gui/wxpic.png
Exec=WXPIC_REPO_PATH/builddir/wxpic %U
MimeType=image/jpeg;image/jpg;image/pjpeg;image/png;image/x-png;image/webp;
Categories=Graphics;2DGraphics;
Keywords=draw;drawing;paint;painting;graphics;2d;
StartupNotify=true

Run

update-desktop-database ~/.local/share/applications