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freetype/harfbuzz: implement freetype integration functions

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This commit is contained in:
Ali Chraghi 2022-06-18 17:54:21 +04:30 • committed by Stephen Gutekanst
parent ef7904bf27
commit 52a67b1809
2 changed files with 22 additions and 0 deletions
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5
freetype/src/harfbuzz/face.zig
View file

@ -1,3 +1,4 @@
const freetype = @import("freetype");
const c = @import("c");
const Blob = @import("blob.zig").Blob;
@ -21,6 +22,10 @@ pub const Face = struct {
return .{ .handle = c.hb_face_create(blob.handle, index).? };
}
pub fn fromFtFace(face: freetype.Face) Face {
return .{ .handle = c.hb_ft_face_create_referenced(face.handle).? };
}
pub fn initEmpty() Face {
return .{ .handle = c.hb_face_get_empty().? };
}

17
freetype/src/harfbuzz/font.zig
View file

@ -1,3 +1,4 @@
const freetype = @import("freetype");
const c = @import("c");
const Face = @import("face.zig").Face;
const Buffer = @import("buffer.zig").Buffer;
@ -11,6 +12,10 @@ pub const Font = struct {
return .{ .handle = c.hb_font_create(face.handle).? };
}
pub fn fromFtFace(face: freetype.Face) Font {
return .{ .handle = c.hb_ft_font_create_referenced(face.handle).? };
}
pub fn createSubFont(self: Font) Font {
return .{
.handle = c.hb_font_create_sub_font(self.handle).?,
@ -21,10 +26,22 @@ pub const Font = struct {
c.hb_font_destroy(self.handle);
}
pub fn ftFaceChanged(self: Font) void {
c.hb_ft_font_changed(self.handle);
}
pub fn setFtLoadFlags(self: Font, flags: freetype.LoadFlags) void {
c.hb_ft_font_set_load_flags(self.handle, flags.cast());
}
pub fn getFace(self: Font) Face {
return .{ .handle = c.hb_font_get_face(self.handle).? };
}
pub fn getFreetypeFace(self: Font) freetype.Face {
return .{ .handle = c.hb_ft_font_get_face(self.handle) };
}
pub fn getGlyph(self: Font, unicode: u32, variation_selector: u32) ?u32 {
var g: u32 = 0;
return if (c.hb_font_get_glyph(self.handle, unicode, variation_selector, &g) > 0)