The Racket repository
d5024f0f20
Cairo doesn't seem to deal correctly with an HDC produced by BeginPaint() that has a clipping region. The problem affects only Win64. Work around the problem by drawing to a separate HDC and copying to/from the screen. (To see the problem before this patch, draw the DrRacket window to the edge of the screen and back, and observe tha the toolbar doesn't update correctly.) This change could affect performance, but it should mostly be limited to refresh when a window moves. |
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| README | ||
The Racket programming language =============================== Important executables: * DrRacket: Racket's integrated development environment (start here!). * Racket: the main command-line entry point for running racket programs and scripts. * GRacket: the GUI-mode Racket executable. * raco: Racket's command-line toolset. More Information ---------------- Racket comes with extensive documentation: use DrRacket's `Help' menu, or run `raco docs'. Also, visit us at http://racket-lang.org/ for more Racket resources. Instructions for building Racket from source are in src/README. License ------- Racket Copyright (c) 2010-2012 PLT Scheme Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See doc/release-notes/COPYING.txt for more information.