65371ec1b8
QPainter::viewport() can be a too large rect to be passed as a clipping region to QPainter on Retina displays. QPainter in case of Retina displays tries to transform QRegion using scale matrix and fails with "QRegion: creating region from big polygon failed" warning message and disables painting completely. |
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README.md
Telegram Desktop – Official Messenger
This is the complete source code and the build instructions for the alpha version of the official desktop client for the Telegram messenger, based on the Telegram API and the MTProto secure protocol.
The source code is published under GPLv3 with OpenSSL exception, the license is available here.
Supported systems
- Windows XP - Windows 10 (not RT)
- Mac OS X 10.8 - Mac OS X 10.11
- Mac OS X 10.6 - Mac OS X 10.7 (separate build)
- Ubuntu 12.04 - Ubuntu 16.04
- Fedora 22 - Fedora 24
Third-party
- Qt 5.3.2 and 5.6.2, slightly patched (LGPL)
- OpenSSL 1.0.1g (OpenSSL License)
- zlib 1.2.8 (zlib License)
- libexif 0.6.20 (LGPL)
- LZMA SDK 9.20 (public domain)
- liblzma (public domain)
- Google Breakpad (License)
- Google Crashpad (Apache License 2.0)
- GYP (BSD license)
- Ninja (Apache License 2.0)
- OpenAL Soft (LGPL)
- Opus codec (BSD license)
- FFmpeg (LGPL)
- Guideline Support Library (MIT License)
- Mapbox Variant (BSD license)
- Open Sans font (Apache License 2.0)