4e4317e71d
Because source wxRegion contains regions given in device coordinates and underlying wxGraphicsContext::Clip() function expects regions in logical coordinates so we have to convert device coordinates of all region components to source coordinates prior to calling this function. Effective clipping box (always calculated in logical units) is the result of intersection of clipping box of the provided region with either clipping box of previously set clipping region (if set) or with wxGCDC surface extents if no clipping region is set. This way effective clipping box is always inside the wxGCDC surface. Note: Effective clipping box can be an empty region. See #17596
About
wxWidgets is a free and open source cross-platform C++ framework for writing advanced GUI applications using native controls.
wxWidgets allows you to write native-looking GUI applications for all the major desktop platforms and also helps with abstracting the differences in the non-GUI aspects between them. It is free for the use in both open source and commercial applications, comes with the full, easy to read and modify, source and extensive documentation and a collection of more than a hundred examples. You can learn more about wxWidgets at https://www.wxwidgets.org/ and read its documentation online at http://docs.wxwidgets.org/
Platforms
wxWidgets currently supports the following primary platforms:
- Windows XP, Vista, 7, 8 and 10 (32/64 bits).
- Most Unix variants using the GTK+ toolkit (version 2.6 or newer or 3.x).
- OS X (10.7 or newer) using Cocoa (32/64 bits).
Most popular C++ compilers are supported including but not limited to:
- Microsoft Visual C++ 2003 or later (up to 2015).
- g++ 3.4 or later, including MinGW/MinGW-64/TDM under Windows.
- Clang under OS X and Linux.
- Intel icc compiler.
- Oracle (ex-Sun) aCC.
Licence
wxWidgets licence is a modified version of LGPL explicitly allowing not distributing the sources of an application using the library even in the case of static linking.
Further information
If you are looking for support, you can get it from
- Mailing Lists
- Discussion Forums
- #wxwidgets IRC channel
- Stack Overflow
(tag your questions with
wxwidgets) - Please report bugs at http://trac.wxwidgets.org/newticket
We would also gladly welcome your contributions.
Have fun!
The wxWidgets Team.