diff options
Diffstat (limited to 'vendor/libghostty-vt/pkg/harfbuzz/shape.zig')
| -rw-r--r-- | vendor/libghostty-vt/pkg/harfbuzz/shape.zig | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/libghostty-vt/pkg/harfbuzz/shape.zig b/vendor/libghostty-vt/pkg/harfbuzz/shape.zig new file mode 100644 index 00000000..b49020c3 --- /dev/null +++ b/vendor/libghostty-vt/pkg/harfbuzz/shape.zig @@ -0,0 +1,27 @@ +const std = @import("std"); +const c = @import("c.zig").c; +const Font = @import("font.zig").Font; +const Buffer = @import("buffer.zig").Buffer; +const Feature = @import("common.zig").Feature; + +/// Shapes buffer using font turning its Unicode characters content to +/// positioned glyphs. If features is not NULL, it will be used to control +/// the features applied during shaping. If two features have the same tag +/// but overlapping ranges the value of the feature with the higher index +/// takes precedence. +pub fn shape(font: Font, buf: Buffer, features: ?[]const Feature) void { + const hb_feats: [*c]const c.hb_feature_t = feats: { + if (features) |fs| { + if (fs.len > 0) break :feats @ptrCast(fs.ptr); + } + + break :feats null; + }; + + c.hb_shape( + font.handle, + buf.handle, + hb_feats, + if (features) |f| @intCast(f.len) else 0, + ); +} |
