Mercurial > vim
diff runtime/doc/options.txt @ 12986:18e6f4addce9 v8.0.1369
patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
commit https://github.com/vim/vim/commit/92467d3351853de769329f62121bf34d28647546
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Dec 5 13:22:16 2017 +0100
patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
Problem: MS-Windows: drawing underline, curl and strike-throw is slow,
mFallbackDC not properly updated.
Solution: Several performance improvements. (Ken Takata, Taro Muraoka,
Yasuhiro Matsumoto, closes #2401)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 05 Dec 2017 13:30:04 +0100 |
parents | ca3cb1997f08 |
children | a6d3e2081544 |
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--- a/runtime/doc/options.txt +++ b/runtime/doc/options.txt @@ -6122,9 +6122,10 @@ A jump table for the options with a shor geom pixelGeometry int 0 - 2 (see below) renmode renderingMode int 0 - 6 (see below) taamode textAntialiasMode int 0 - 3 (see below) - - See this URL for detail: - http://msdn.microsoft.com/en-us/library/dd368190.aspx + scrlines Scroll Lines int >= 0 (see below) + + See this URL for detail (except for scrlines): + https://msdn.microsoft.com/en-us/library/dd368190.aspx For geom: structure of a device pixel. 0 - DWRITE_PIXEL_GEOMETRY_FLAT @@ -6132,7 +6133,7 @@ A jump table for the options with a shor 2 - DWRITE_PIXEL_GEOMETRY_BGR See this URL for detail: - http://msdn.microsoft.com/en-us/library/dd368114.aspx + https://msdn.microsoft.com/en-us/library/dd368114.aspx For renmode: method of rendering glyphs. 0 - DWRITE_RENDERING_MODE_DEFAULT @@ -6144,7 +6145,7 @@ A jump table for the options with a shor 6 - DWRITE_RENDERING_MODE_OUTLINE See this URL for detail: - http://msdn.microsoft.com/en-us/library/dd368118.aspx + https://msdn.microsoft.com/en-us/library/dd368118.aspx For taamode: antialiasing mode used for drawing text. 0 - D2D1_TEXT_ANTIALIAS_MODE_DEFAULT @@ -6153,7 +6154,25 @@ A jump table for the options with a shor 3 - D2D1_TEXT_ANTIALIAS_MODE_ALIASED See this URL for detail: - http://msdn.microsoft.com/en-us/library/dd368170.aspx + https://msdn.microsoft.com/en-us/library/dd368170.aspx + + For scrlines: threshold for lines to be scrolled. + 0 - Always use scrolling. (default) + 1 - Use full page redrawing. + > 1 - If the lines to be scrolled is grater or equal to the + specified value, use redrawing. Otherwise use + scrolling. + + If you feel scrolling a page (CTRL-F) is too slow with DirectX + renderer, try this "scrlines" option. + When set it "1", Vim uses full page redrawing instead of + scrolling. Redrawing a page is faster than scrolling a + page in some environments. + After that, when you feel scrolling lines (CTRL-Y) becomes + slow, please try "2" or greater value for this option. + It works threshold line number to switch scrolling to + redrawing. Scrolling a few lines might be faster than + redrawing a page in some environments. Example: > set encoding=utf-8 @@ -6162,13 +6181,12 @@ A jump table for the options with a shor < If select a raster font (Courier, Terminal or FixedSys which have ".fon" extension in file name) to 'guifont', it will be - drawn by GDI as a fallback. This fallback will cause - significant slow down on drawing. + drawn by GDI as a fallback. NOTE: It is known that some fonts and options combination causes trouble on drawing glyphs. - - 'rendmode:5' and 'renmode:6' will not work with some + - 'renmode:5' and 'renmode:6' will not work with some special made fonts (True-Type fonts which includes only bitmap glyphs). - 'taamode:3' will not work with some vector fonts.