PangoCairo on the Web
Compile Cairo/Pango/PangoCairo based applications from C to WebAssembly?src
Try it online (5 ~ 8M):
If the links failed you, please clone and serve them locally with wasm-server.
Cairo: https://vitovan.com/pango-cairo-wasm/hello-cairo.html
PangoCairo: https://vitovan.com/pango-cairo-wasm/hello-pangocairo.html
Preview:
Usage
Setup emcc & pkg-config
with Docker
xxxxxxxxxxalias emcc="docker run --rm --name pcwa -v $(pwd):/app -w=/app vitovan/pango-cairo-wasm emcc"alias pkg-config="docker run --rm --name pcwa -v $(pwd):/app -w=/app vitovan/pango-cairo-wasm pkg-config"# give it a tryemcc --helppkg-config --libs --cflags pangocairofrom Source
This build.sh only compiles on Fedora, if you can't get one, please modify it before execution.
xxxxxxxxxxgit clone https://github.com/VitoVan/pango-cairo-wasm.gitcd pango-cairo-wasmgit submodule initgit submodule updateecho -e "export magicdir=${HOME}/pango-cairo-wasm-magic\n$(cat env.sh)" > env.shbash build.shWait for 20 minutes or more. If all went well, execute:
xxxxxxxxxx. env.sh# give it a tryemcc --helppkg-config --libs --cflags pangocairoCompile C Code
Cairo with no pthread
xxxxxxxxxxexport CAIRO_FLAGS="$(pkg-config --libs --cflags glib-2.0, gobject-2.0, cairo, pixman-1, freetype2, fontconfig, cairo, expat, harfbuzz) -s USE_SDL=2 -s USE_PTHREADS=0 -s ASYNCIFY"
+ PangoCairo on the Web
Compile Cairo/Pango/PangoCairo based applications from C to WebAssembly?src
Try it online (1.5 ~ 3.5 MB data transfer):
If the links failed you, please clone and serve them locally with wasm-server.
Cairo: https://vitovan.com/pango-cairo-wasm/hello-cairo.html
PangoCairo: https://vitovan.com/pango-cairo-wasm/hello-pangocairo.html
Preview:
Usage
Setup emcc & pkg-config
with Docker
xxxxxxxxxxalias emcc="docker run --rm --name pcwa -v $(pwd):/app -w=/app vitovan/pango-cairo-wasm emcc"alias pkg-config="docker run --rm --name pcwa -v $(pwd):/app -w=/app vitovan/pango-cairo-wasm pkg-config"# give it a tryemcc --helppkg-config --libs --cflags pangocairo
from Source
This build.sh only compiles on Fedora, if you can't get one, please modify it before execution.
xxxxxxxxxxgit clone https://github.com/VitoVan/pango-cairo-wasm.gitcd pango-cairo-wasmgit submodule initgit submodule updateecho -e "export magicdir=${HOME}/pango-cairo-wasm-magic\n$(cat env.sh)" > env.shbash build.sh
Wait for 20 minutes or more. If all went well, execute:
xxxxxxxxxx. env.sh# give it a tryemcc --helppkg-config --libs --cflags pangocairo
Compile C Code
Cairo with no pthread
xxxxxxxxxxexport CAIRO_FLAGS="$(pkg-config --libs --cflags glib-2.0, gobject-2.0, cairo, pixman-1, freetype2, fontconfig, cairo, expat, harfbuzz) -s USE_SDL=2 -s USE_PTHREADS=0 -s ASYNCIFY"
curl -LO https://raw.githubusercontent.com/VitoVan/pango-cairo-wasm/main/hello-cairo.cemcc $CAIRO_FLAGS hello-cairo.c -o hello-cairo.html
PangoCairo with pthread
xxxxxxxxxxexport PANGOCAIRO_FLAGS="$(pkg-config --libs --cflags glib-2.0, gobject-2.0, cairo, pixman-1, freetype2, fontconfig, cairo, expat, harfbuzz, pangocairo) -s USE_SDL=2 -s EMULATE_FUNCTION_POINTER_CASTS -s PTHREAD_POOL_SIZE=10 -s USE_PTHREADS=1 -s ASYNCIFY"curl -LO https://raw.githubusercontent.com/VitoVan/pango-cairo-wasm/main/hello-pangocairo.c# get yourself the fontsmkdir ./fontscd fontscurl -LO https://raw.githubusercontent.com/VitoVan/pango-cairo-wasm/main/fonts/OpenSans-VariableFont_wdth,wght.ttfcurl -LO https://raw.githubusercontent.com/VitoVan/pango-cairo-wasm/main/fonts/OpenSans-Italic-VariableFont_wdth,wght.ttfcd ..# compileemcc $PANGOCAIRO_FLAGS --embed-file ./fonts@/usr/share/fonts/ hello-pangocairo.c -o hello-pangocairo.html
Start the debug server
xxxxxxxxxxcurl -LO https://raw.githubusercontent.com/VitoVan/pango-cairo-wasm/main/wasm-serverchmod +x wasm-server./wasm-server
open the following links in your browser: