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The Servo Browser Engine
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Glenn Watson cc24e68186 Improve quality of font rendering on Linux (and Android). 
The freetype hinting only works on integer pixel sizes. For this
reason, the advance width metrics for a font of size 12.99 are
the same as the advance metrics for a font of size 12.0. This
results in small fonts appearing to overlap slightly, which is
particularly noticeable on parts of Wikipedia. Round the font
size up to a pixel boundary inside the freetype system.

Also fetch the system default fonts for the generic font families
rather than hard coding them.

These two changes make the font rendering on Linux very close
to the Firefox font rendering on Wikipedia.
2014-09-10 07:29:40 +10:00
.cargo Cargoify servo 2014-09-08 20:21:42 -06:00
components Improve quality of font rendering on Linux (and Android). 2014-09-10 07:29:40 +10:00
etc Cargoify servo 2014-09-08 20:21:42 -06:00
ports Cargoify servo 2014-09-08 20:21:42 -06:00
python Cargoify servo 2014-09-08 20:21:42 -06:00
src Cargoify servo 2014-09-08 20:21:42 -06:00
support Cargoify servo 2014-09-08 20:21:42 -06:00
tests Cargoify servo 2014-09-08 20:21:42 -06:00
.gitignore Cargoify servo 2014-09-08 20:21:42 -06:00
.gitmodules Cargoify servo 2014-09-08 20:21:42 -06:00
.travis.yml Cargoify servo 2014-09-08 20:21:42 -06:00
Cargo.lock Cargoify servo 2014-09-08 20:21:42 -06:00
Cargo.toml Cargoify servo 2014-09-08 20:21:42 -06:00
CONTRIBUTING.md Add a link to easy bugs 2014-05-14 17:36:38 +05:30
Info.plist Build an app bundle on OS X 2012-04-23 17:43:45 -07:00
LICENSE Add license 2013-04-03 18:37:29 -07:00
mach Cargoify servo 2014-09-08 20:21:42 -06:00
ORGANIZATION.md Cargoify servo 2014-09-08 20:21:42 -06:00
README.md Update the README a bit. 2014-09-09 09:25:08 -06:00
rust-snapshot-hash Move rust-snapshot-hash to the root. 2014-08-22 09:49:45 +01:00
servobuild.example Cargoify servo 2014-09-08 20:21:42 -06:00

README.md

The Servo Parallel Browser Project

Servo is a prototype web browser engine written in the Rust language. It is currently developed on 64bit OS X, 64bit Linux, and Android.

Servo welcomes contribution from everyone. See CONTRIBUTING.md for help getting started.

Prerequisites

On OS X (homebrew):

brew install automake pkg-config python
pip install virtualenv

On OS X (MacPorts):

sudo port install python27 py27-virtualenv

On Debian-based Linuxes:

sudo apt-get install curl freeglut3-dev \
    libfreetype6-dev libgl1-mesa-dri libglib2.0-dev xorg-dev \
    msttcorefonts gperf g++ cmake python-virtualenv \
    libssl-dev

On Fedora:

sudo yum install curl freeglut-devel libtool gcc-c++ libXi-devel \
    freetype-devel mesa-libGL-devel glib2-devel libX11-devel libXrandr-devel gperf \
    fontconfig-devel cabextract ttmkfdir python python-virtualenv expat-devel \
    rpm-build openssl-devel
pushd .
cd /tmp
wget http://corefonts.sourceforge.net/msttcorefonts-2.5-1.spec
rpmbuild -bb msttcorefonts-2.5-1.spec
sudo yum install $HOME/rpmbuild/RPMS/noarch/msttcorefonts-2.5-1.noarch.rpm
popd

On Arch Linux:

sudo pacman -S base-devel git gperf python2 \
    python2-virtualenv mesa libxrandr libxi libgl glu ttf-font

Cross-compilation for Android:

Pre-installed Android tools are needed. See wiki for details

The Rust compiler

Servo uses a snapshot Rust compiler to build itself. This is normally a specific revision of Rust upstream, but sometimes has a backported patch or two. If you'd like to know the snapshot revision of Rust which we use, see ./rust-snapshot-hash.

Building

Servo is built with Cargo, the Rust package manager. We also use Mozilla's Mach tools to orchestrate the build and other tasks.

Normal build

git clone https://github.com/servo/servo
cd servo
./mach build
./mach run tests/html/about-mozilla.html

Building for Android target

git clone https://github.com/servo/servo
cd servo
ANDROID_TOOLCHAIN=/path/to/toolchain ANDROID_NDK=/path/to/ndk PATH=$PATH:/path/to/toolchain/bin ./mach build --target arm-linux-androideabi
cd ports/android
ANDROID_NDK=/path/to/ndk ANDROID_SDK=/path/to/sdk make
ANDROID_SDK=/path/to/sdk make install

Running

Commandline Arguments

  • -p INTERVAL turns on the profiler and dumps info to the console every INTERVAL seconds
  • -s SIZE sets the tile size for rendering; defaults to 512
  • -z disables all graphical output; useful for running JS / layout tests

Keyboard Shortcuts

  • Ctrl-L opens a dialog to browse to a new URL (Mac only currently)
  • Ctrl-- zooms out
  • Ctrl-= zooms in
  • Backspace goes backwards in the history
  • Shift-Backspace goes forwards in the history
  • Esc exits servo

Developing

There are lots of mach commands you can use. You can list them with ./mach --help.