feat: finish ghostty pane backend integration

1 files changed, 45 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/src/font/sprite.zig b/vendor/libghostty-vt/src/font/sprite.zig
new file mode 100644
index 00000000..cf86fa6d
--- /dev/null
+++ b/vendor/libghostty-vt/src/font/sprite.zig
@@ -0,0 +1,45 @@
+const std = @import("std");
+const canvas = @import("sprite/canvas.zig");
+pub const Face = @import("sprite/Face.zig");
+
+pub const Box = canvas.Box;
+pub const Point = canvas.Point;
+pub const Canvas = canvas.Canvas;
+pub const Color = canvas.Color;
+
+/// Sprites are represented as special codepoints outside of the Unicode
+/// codepoint range. Unicode maxes out at U+10FFFF (21 bits), and we use the
+/// high 11 bits to hide our special characters.
+///
+/// These characters are ONLY used for rendering and NEVER used written to
+/// text files or any other exported format, so we don't use the Private Use
+/// Area of Unicode.
+pub const Sprite = enum(u32) {
+    // Start 1 above the maximum Unicode codepoint.
+    pub const start: u32 = std.math.maxInt(u21) + 1;
+    pub const end: u32 = std.math.maxInt(u32);
+
+    underline = start,
+    underline_double,
+    underline_dotted,
+    underline_dashed,
+    underline_curly,
+
+    strikethrough,
+
+    overline,
+
+    cursor_rect,
+    cursor_hollow_rect,
+    cursor_bar,
+    cursor_underline,
+
+    test {
+        const testing = std.testing;
+        try testing.expectEqual(start, @intFromEnum(Sprite.underline));
+    }
+};
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}