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community/kitty to 0.19.3-2

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This commit is contained in:
Kevin Mihelich 2021-02-17 13:43:56 +00:00
parent 3178ace589
commit 836073c835
2 changed files with 131 additions and 3 deletions
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13
community/kitty/PKGBUILD
View file

@ -9,7 +9,7 @@
pkgbase=kitty
pkgname=(kitty kitty-terminfo)
pkgver=0.19.3
pkgrel=1
pkgrel=2
pkgdesc="A modern, hackable, featureful, OpenGL-based terminal emulator"
arch=('x86_64')
url="https://github.com/kovidgoyal/kitty"
@ -17,8 +17,15 @@ license=('GPL3')
depends=('python3' 'freetype2' 'fontconfig' 'wayland' 'libx11' 'libxkbcommon-x11' 'libxi'
'hicolor-icon-theme' 'libgl' 'libcanberra' 'dbus' 'lcms2')
makedepends=('libxinerama' 'libxcursor' 'libxrandr' 'wayland-protocols' 'python-sphinx')
source=("${pkgname}-${pkgver}.tar.gz::https://github.com/kovidgoyal/$pkgname/archive/v$pkgver.tar.gz")
sha512sums=('225b7a4409c5199d556bd57f4253074608a6d3602d874082c991d13e5db73b7dd68e549d954e5a77fb271f4d2c5fa9a3de45a48247e2f3f162af0b9946628990')
source=("${pkgname}-${pkgver}.tar.gz::https://github.com/kovidgoyal/$pkgname/archive/v$pkgver.tar.gz"
fix_ligatures.patch)
sha512sums=('225b7a4409c5199d556bd57f4253074608a6d3602d874082c991d13e5db73b7dd68e549d954e5a77fb271f4d2c5fa9a3de45a48247e2f3f162af0b9946628990'
'c6682c7fb1ae64575ce94ae9eff31dc8cde5374adff58704c9d89a48bb5d5df987fe289c67c1ae91e7b1b01d1b5669311e250c565c62238271d83a014d4a0716')
prepare() {
cd "$srcdir/$pkgname-$pkgver"
patch -Np1 -i "${srcdir}/fix_ligatures.patch"
}
build() {
cd "$srcdir/$pkgname-$pkgver"

121
community/kitty/fix_ligatures.patch Normal file
View file

@ -0,0 +1,121 @@
From 912c46fc57362d3bd2a2f82b4b0a2ef939d6e1ec Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 15 Feb 2021 10:36:07 +0530
Subject: [PATCH] Fix rendering of ligatures in the latest release of Cascadia
code
For some reason it puts empty glyphs after the ligature glyph rather than before it.
There is a possibility this fix might break something else, we will see.
Fixes #3313
---
docs/changelog.rst | 4 ++++
kitty/fonts.c | 7 +++++--
kitty_tests/fonts.py | 29 ++++++++++++++++++---------
4 files changed, 29 insertions(+), 11 deletions(-)
create mode 100644 kitty_tests/CascadiaCode-Regular.otf
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 52c523891..43e821b88 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -64,6 +64,10 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
- Fix OS window sizes under 100px resulting in scaled display (:iss:`3307`)
+- Fix rendering of ligatures in the latest release of Cascadia code, which for
+ some reason puts empty glyphs after the ligature glyph rather than before it
+ (:iss:`3313`)
+
0.19.3 [2020-12-19]
-------------------
diff --git a/kitty/fonts.c b/kitty/fonts.c
index 59ee6d692..702cbeb18 100644
--- a/kitty/fonts.c
+++ b/kitty/fonts.c
@@ -767,7 +767,7 @@ typedef struct {
typedef struct {
unsigned int first_glyph_idx, first_cell_idx, num_glyphs, num_cells;
- bool has_special_glyph, is_space_ligature;
+ bool has_special_glyph, is_space_ligature, started_with_empty_glyph;
} Group;
typedef struct {
@@ -905,6 +905,7 @@ shape_run(CPUCell *first_cpu_cell, GPUCell *first_gpu_cell, index_type num_cells
* Ligature fonts, take two common approaches:
* 1. ABC becomes EMPTY, EMPTY, WIDE GLYPH this means we have to render N glyphs in N cells (example Fira Code)
* 2. ABC becomes WIDE GLYPH this means we have to render one glyph in N cells (example Operator Mono Lig)
+ * 3. ABC becomes WIDE GLYPH, EMPTY, EMPTY this means we have to render N glyphs in N cells (example Cascadia Code)
*
* We rely on the cluster numbers from harfbuzz to tell us how many unicode codepoints a glyph corresponds to.
* Then we check if the glyph is a ligature glyph (is_special_glyph) and if it is an empty glyph. These three
@@ -933,7 +934,8 @@ shape_run(CPUCell *first_cpu_cell, GPUCell *first_gpu_cell, index_type num_cells
add_to_current_group = true;
} else {
if (is_special) {
- add_to_current_group = G(prev_was_empty);
+ if (current_group->started_with_empty_glyph) add_to_current_group = G(prev_was_empty);
+ else add_to_current_group = is_empty;
} else {
add_to_current_group = !G(prev_was_special);
}
@@ -941,6 +943,7 @@ shape_run(CPUCell *first_cpu_cell, GPUCell *first_gpu_cell, index_type num_cells
if (current_group->num_glyphs >= MAX_GLYPHS_IN_GROUP || current_group->num_cells >= MAX_GLYPHS_IN_GROUP) add_to_current_group = false;
if (!add_to_current_group) { G(group_idx)++; current_group = G(groups) + G(group_idx); }
+ if (is_empty && !current_group->num_glyphs) current_group->started_with_empty_glyph = true;
if (!current_group->num_glyphs++) {
current_group->first_glyph_idx = G(glyph_idx);
current_group->first_cell_idx = G(cell_idx);
diff --git a/kitty_tests/fonts.py b/kitty_tests/fonts.py
index eea9feaa9..2052d011c 100644
--- a/kitty_tests/fonts.py
+++ b/kitty_tests/fonts.py
@@ -4,6 +4,7 @@
import sys
import unittest
+from functools import partial
from kitty.constants import is_macos
from kitty.fast_data_types import (
@@ -71,19 +72,29 @@ def test_font_rendering(self):
def test_shaping(self):
- def groups(text, path=None):
- return [x[:2] for x in shape_string(text, path=path)]
+ def ss(text, font=None):
+ path = f'kitty_tests/{font}' if font else None
+ return shape_string(text, path=path)
+
+ def groups(text, font=None):
+ return [x[:2] for x in ss(text, font)]
self.ae(groups('abcd'), [(1, 1) for i in range(4)])
- self.ae(groups('A=>>B!=C', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
- self.ae(groups('F--a--', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (2, 2), (1, 1), (2, 2)])
- self.ae(groups('==!=<>==<><><>', path='kitty_tests/FiraCode-Medium.otf'), [(2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2)])
- colon_glyph = shape_string('9:30', path='kitty_tests/FiraCode-Medium.otf')[1][2]
- self.assertNotEqual(colon_glyph, shape_string(':', path='kitty_tests/FiraCode-Medium.otf')[0][2])
+ self.ae(groups('A=>>B!=C', font='FiraCode-Medium.otf'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
+ self.ae(groups('==!=<>==<><><>', font='FiraCode-Medium.otf'), [(2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2)])
+
+ for font in ('FiraCode-Medium.otf', 'CascadiaCode-Regular.otf'):
+ g = partial(groups, font=font)
+ self.ae(g('A===B!=C'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
+ self.ae(g('F--a--'), [(1, 1), (2, 2), (1, 1), (2, 2)])
+ self.ae(g('===--<>=='), [(3, 3), (2, 2), (2, 2), (2, 2)])
+ colon_glyph = ss('9:30', font='FiraCode-Medium.otf')[1][2]
+ self.assertNotEqual(colon_glyph, ss(':', font='FiraCode-Medium.otf')[0][2])
self.ae(colon_glyph, 998)
- self.ae(groups('9:30', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (1, 1), (1, 1), (1, 1)])
+ self.ae(groups('9:30', font='FiraCode-Medium.otf'), [(1, 1), (1, 1), (1, 1), (1, 1)])
+
self.ae(groups('|\U0001F601|\U0001F64f|\U0001F63a|'), [(1, 1), (2, 1), (1, 1), (2, 1), (1, 1), (2, 1), (1, 1)])
- self.ae(groups('He\u0347\u0305llo\u0337,', path='kitty_tests/LiberationMono-Regular.ttf'),
+ self.ae(groups('He\u0347\u0305llo\u0337,', font='LiberationMono-Regular.ttf'),
[(1, 1), (1, 3), (1, 1), (1, 1), (1, 2), (1, 1)])
def test_emoji_presentation(self):