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a644e4c31e4c89611638f4e34ac2a9d812e40d95
Commit Graph
59 Commits
Author SHA1 Message Date
Kovid Goyal 8dea5b3e3e Reduce data sent to GPU per draw by 30% 
Split up the Cell structure into a CPUCell and a GPUCell. Only the
GPUCell part needs to be sent to the GPU. Should make kitty use even
less system resources and make a performance difference on systems where
the GPU bandwidth is constrained.

Also allows adding more CPU only data in the future without affecting
GPU bandwidth. For example, hyperlinks or more combining characters.
 2018-05-27 21:25:09 +05:30
Kovid Goyal df9eab279a Implement changing the font size for individual top level (OS) windows 2018-05-27 12:37:49 +05:30
Kovid Goyal ed44515318 All tests pass 2018-05-27 12:37:05 +05:30
Kovid Goyal 523aadaa3b Refactor font group handling 
Allow kitty to manage multiple groups of fonts with different cell
sizes. Will eventually allow kitty to have different font sizes/dpi per
OSWindow
 2018-05-27 12:37:05 +05:30
Kovid Goyal 96c93fa252 Add support for emoji presentation when choosing fallback fonts 2018-02-06 11:11:22 +05:30
Kovid Goyal 409bd37db5 Store combining chars as an array in the Cell 
Makes it easier to increase the number of combining chars if needed,
rather than storing them as a mask.
 2018-01-18 14:10:58 +05:30
Kovid Goyal 1ae7ae4a1d Fix consecutive separate ligatures being rendered in the same group 
Rendering multiple ligatures in the smae group is bad for performance
and also causes incorrect rendering if the last ligature in the group
does not fit into the number of cells in the group.
 2018-01-14 11:18:44 +05:30
Kovid Goyal 0fcce6ec58 Remove trailing whitespace from native code files 2017-12-20 08:44:47 +05:30
Kovid Goyal b9d0ec0d4c CoreText: Use the layout engine to calculate cell height 
Slower, but hopefully more accurate, since it takes into account
whatever kludges Apple is currently using to calculate line height
in its applications.
 2017-12-13 14:12:23 +05:30
Kovid Goyal 869abc4d5c ... 2017-12-13 14:05:01 +05:30
Kovid Goyal 872118fcbe CoreText: Fix incorrect underline position and thickness calculation 2017-12-13 13:59:11 +05:30
Kovid Goyal d25c0d42bc CoreText: Ensure cell_width and cell_height are never zero 2017-12-13 09:35:50 +05:30
Kovid Goyal a1b4f7c92d Fix COreText leak on exit 2017-12-13 08:27:33 +05:30
Kovid Goyal 47704f24c1 CoreText: Get rid of the line height fudge factor 
It was leading to larger line heights than in iTerm on High Sierra with
Menlo. Also as per Apple documentation, line height should be ascent +
descent + leading.
https://developer.apple.com/library/content/documentation/TextFonts/Conceptual/CocoaTextArchitecture/TypoFeatures/TextSystemFeatures.html
 2017-12-13 08:22:26 +05:30
Kovid Goyal a29b424477 CoreText: Implement resizing of glyphs too wide to fit 2017-12-11 20:34:23 +05:30
Kovid Goyal 005c4bf29e Finish up CoreText based rendering 2017-12-11 19:04:44 +05:30
Kovid Goyal c86c166448 More work on positioning glyphs with CoreText 2017-12-11 18:48:14 +05:30
Kovid Goyal 0999ce159e Fix colors incorrect when rendering directly to buf 2017-12-11 10:43:32 +05:30
Kovid Goyal 98d8ab2953 Fix OT shaper not working on macOS 
Also dont keep an extra reference to the hb font in fonts.c
 2017-12-11 09:48:20 +05:30
Kovid Goyal 5407fa72b4 Start work on rendering with CoreText 2017-12-10 20:28:06 +05:30
Kovid Goyal e332522a61 Mark backend API in fonts.h header 2017-12-10 09:21:46 +05:30
Kovid Goyal ed2e83654f Draw emoji on macOS using CoreText rather than FreeType 
Needed because FreeType cannot handle the latest version of the Apple
Color Emoji font, which probably uses SVG-in-OTF instead of SBIX.
Finishes up the color emoji implementation.
 2017-12-09 12:01:43 +05:30
Kovid Goyal e5d411b80d Refactor font code 
DRYer with global state stored in fewer places. And only round-tripping
through python for font selection, not face creation.
 2017-11-11 18:14:22 +05:30
Kovid Goyal 98e93cb4bd Workaround for broken CTFontCreateForString 2017-11-11 10:16:43 +05:30
Kovid Goyal 3592f82e4f Implement fallback fonts in CoreText 2017-11-11 08:08:03 +05:30
Kovid Goyal 289cfe7584 Fix bold-italic variant not being auto-selected on macOS 2017-11-10 22:06:11 +05:30
Kovid Goyal cccacfdf7c Restore Apple's line height fudge factor on macOS 2017-11-10 17:38:36 +05:30
Kovid Goyal 541f389a06 Work on using FreeType to render on macOS as well 2017-11-10 15:39:53 +05:30
Kovid Goyal 5c582f7639 Start work on harfbuzz rendering on macs 2017-11-10 12:52:54 +05:30
Kovid Goyal 3ec64a17f8 Dont call the font change machinery when the actual size has not changed 2017-11-09 16:55:45 +05:30
Kovid Goyal dd6108de5b DRYer 2017-11-09 16:55:44 +05:30
Kovid Goyal aa1b94aed0 Ensure descriptor is always set for coretext font objects 2017-11-09 16:55:44 +05:30
Kovid Goyal a8bca1c119 Skip the rendering test on macOS 
macOS is underpowered junk.
 2017-11-09 16:55:44 +05:30
Kovid Goyal d05ea312ef Fix crash on macOS when failing to get font_descriptor 2017-11-09 16:55:44 +05:30
Kovid Goyal da8bf5adc7 Add rendering tests 2017-11-09 16:55:44 +05:30
Kovid Goyal ce0e5a893f Make the showcase output a little nicer 2017-11-09 16:55:44 +05:30
Kovid Goyal 58be99a27e Work on rendering ligatures correctly 2017-11-09 16:55:43 +05:30
Kovid Goyal ae06879193 Mark unused pending implementation 2017-11-09 16:55:43 +05:30
Kovid Goyal 4726bcd210 Implement rendering of glyphs from font files in Freetype 2017-11-09 16:55:42 +05:30
Kovid Goyal 4ba17df570 Forward declaration of Face_Type needed 2017-11-09 16:55:42 +05:30
Kovid Goyal 38a5e76c50 More work on line based rendering 
Should now build on all platforms
 2017-11-09 16:45:45 +05:30
Kovid Goyal 729395c887 Release old hb_font when changing font size 2017-11-09 16:45:44 +05:30
Kovid Goyal 83e114d211 Implement new font methods for CoreText 2017-11-09 16:45:44 +05:30
lxcode 81f14edb49 Enable subpixel quantization and positioning 2017-11-01 15:37:43 -07:00
Kovid Goyal 4a27793651 DRYer CoreText 2017-09-15 10:45:17 +05:30
Kovid Goyal 697a7b78b3 macOS: Fix selecting fonts using full names (including sub-family) not working 
Fixes #83
 2017-08-24 19:16:12 +05:30
Kovid Goyal 58644e2b37 Function to get all fonts on macOS 2017-08-24 15:05:42 +05:30
Kovid Goyal ddcd4daede macOS: Fix wide characters having their right edges slightly truncated 2017-08-24 12:46:41 +05:30
Kovid Goyal 598c5d313b A better (I hope) cell height calculation on OS X 
See #42
 2017-01-24 08:01:52 +05:30
Kovid Goyal f4a6c42b48 Implement CTFace.__repr__ 2017-01-14 10:59:52 +05:30