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authorTerry Jan Reedy <tjreedy@udel.edu>2018-06-11 18:14:32 (GMT)
committerGitHub <noreply@github.com>2018-06-11 18:14:32 (GMT)
commit800415e3df69f494afe9f95a8563ce17609fe1da (patch)
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bpo-33656: On Windows, add API call saying that tk scales for DPI (GH-7137)
On Windows 8.1+ or 10, with DPI compatibility properties of the Python binary unchanged, and a monitor resolution greater than 96 DPI, this should make text and lines sharper. It should otherwise have no effect. Using a magnifier, I determined that the improvement comes from horizontal and lines being better lined up with the monitor pixels. I checked that this call causes no problem on any Windows buildbot, including the Win7 buildbots. Unlike most IDLE patches, this one can be easily reverted by users by removing a few lines, at the top of idlelib/pyshell.py.
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diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index 37f8c46..bb32361 100644
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -1179,6 +1179,12 @@ colors for custom themes is added to Highlights tab of Settings dialog.
(Contributed by Cheryl Sabella and Terry Jan Reedy in :issue:`33642`,
:issue:`33768`, and :issue:`33679`)
+On Windows, a new API call tells Windows that tk scales for DPI. On Windows
+8.1+ or 10, with DPI compatibility properties of the Python binary
+unchanged, and a monitor resolution greater than 96 DPI, this should
+make text and lines sharper. It should otherwise have no effect.
+(Contributed by Terry Jan Reedy in :issue:`33656`).
+
importlib
---------