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font: if a codepoint is emoji presentation, prefer that for shaping

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Fixes #787
This commit is contained in:
Mitchell Hashimoto
2023-11-02 21:46:50 -07:00
parent bbf333c5c6
commit 2275768383
3 changed files with 24 additions and 7 deletions
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5
build.zig
View File

@ -669,6 +669,10 @@ fn addDeps(
.@"enable-freetype" = true,
.@"enable-coretext" = font_backend.hasCoretext(),
});
const ziglyph_dep = b.dependency("ziglyph", .{
.target = step.target,
.optimize = step.optimize,
});
// Wasm we do manually since it is such a different build.
if (step.target.getCpuArch() == .wasm32) {
@ -716,6 +720,7 @@ fn addDeps(
step.addModule("xev", libxev_dep.module("xev"));
step.addModule("pixman", pixman_dep.module("pixman"));
step.addModule("utf8proc", utf8proc_dep.module("utf8proc"));
step.addModule("ziglyph", ziglyph_dep.module("ziglyph"));
// Mac Stuff
if (step.target.isDarwin()) {

11
build.zig.zon
View File

@ -4,6 +4,10 @@
.paths = .{""},
.dependencies = .{
// Zig libs
.glfw = .{
.url = "https://pkg.machengine.org/glfw/14181bd28aa65915262ac3b4549bbd2dc70bbaa5.tar.gz",
.hash = "1220c6bb317ae3948b95161b9706777dde0509e72e8b35b62b92898aef801897d904",
},
.libxev = .{
.url = "https://github.com/mitchellh/libxev/archive/5ecbc871f3bfa80fb7bf0fa853866cb93b99bc18.tar.gz",
.hash = "1220416854e424601ecc9814afb461a5dc9cf95db5917d82f794594a58ffc723b82c",
@ -20,10 +24,9 @@
.url = "https://github.com/mitchellh/zig-js/archive/60ac42ab137461cdba2b38cc6c5e16376470aae6.tar.gz",
.hash = "1220319b42fbc0116f3f198343256018e9f1da9483cef259201afe4ebab0ce0d8f6a",
},
.glfw = .{
.url = "https://pkg.machengine.org/glfw/14181bd28aa65915262ac3b4549bbd2dc70bbaa5.tar.gz",
.hash = "1220c6bb317ae3948b95161b9706777dde0509e72e8b35b62b92898aef801897d904",
.ziglyph = .{
.url = "https://codeberg.org/dude_the_builder/ziglyph/archive/v0.11.1.tar.gz",
.hash = "1220dee955839b7f267c1bb21e0ee60888c08f408c30f0722b243cabcc8cce8b7508",
},
// C libs

15
src/font/shaper/run.zig
View File

@ -1,6 +1,7 @@
const std = @import("std");
const assert = std.debug.assert;
const Allocator = std.mem.Allocator;
const ziglyph = @import("ziglyph");
const font = @import("../main.zig");
const shape = @import("../shape.zig");
const terminal = @import("../../terminal/main.zig");
@ -109,12 +110,20 @@ pub const RunIterator = struct {
// presentation format must be directly adjacent to the codepoint.
var it = self.row.codepointIterator(j);
if (it.next()) |cp| {
if (cp == 0xFE0E) break :p font.Presentation.text;
if (cp == 0xFE0F) break :p font.Presentation.emoji;
if (cp == 0xFE0E) break :p .text;
if (cp == 0xFE0F) break :p .emoji;
}
break :p null;
} else null;
} else emoji: {
// If we're not a grapheme, our individual char could be
// an emoji so we want to check if we expect emoji presentation.
if (ziglyph.emoji.isEmojiPresentation(@intCast(cell.char))) {
break :emoji .emoji;
}
break :emoji .text;
};
// If our cursor is on this line then we break the run around the
// cursor. This means that any row with a cursor has at least