Add Linux port: GTK 4 GUI with MuPDF rendering engine#5631
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Phase 1 of the Linux port. Builds MuPDF and all dependencies from source using Meson/Ninja on x86_64 Linux. - Meson build system with all 14 external libraries compiled from source - MuPDF renders PDF, XPS, SVG, CBZ, IMG, HTML, EPUB formats - Font resources embedded via ld -r -b binary (HAVE_OBJCOPY) - FreeType uses MuPDF's slim module config - CI workflow for automated builds and GitHub Releases - Packaging script producing distributable tar.gz + AppImage support
- main_gtk.c: Full PDF viewer with GTK 4 header bar, page navigation, zoom controls, keyboard shortcuts, drag-and-drop, fullscreen support - Renders pages via MuPDF to Cairo surfaces - Handles file opening via GApplication open signal - meson.build: Add sumatrapdf GUI target with gtk4 dependency, rename old test binary to test-mupdf - CI: Add libgtk-4-dev to build dependencies
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Wow! Looks simpler than expected. Thank you! Relattion to issue:
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Summary
This PR adds a native Linux port of SumatraPDF using GTK 4 for the UI and MuPDF for PDF rendering.
What's included
Build instructions
Files added
linux/src/main_gtk.c— GTK 4 GUI applicationlinux/src/meson.build— Build targetslinux/ext/*/meson.build— Build files for each dependencylinux/dist/— Packaging files (.desktop, metainfo, package.sh).github/workflows/linux-package.yml— CI/CDmeson.build,meson.options— Root build configurationNo existing Windows code is modified.