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freetype/harfbuzz: fix invalid getGlyphInfos return

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Co-authored-by: ab55al <abdullah5590x@gmail.com>
This commit is contained in:
alichraghi 2022-07-18 22:34:57 +04:30 • committed by Stephen Gutekanst
parent 2388eb1c3a
commit 83f051fb58
1 changed files with 8 additions and 3 deletions
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11
freetype/src/harfbuzz/buffer.zig
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@ -26,7 +26,10 @@ pub const SerializeFormat = enum(u31) {
pub const GlyphInfo = extern struct {
codepoint: u32,
mask: u32,
cluster: u32,
var1: u32,
var2: u32,
pub fn getFlags(self: GlyphInfo) GlyphFlags {
return GlyphFlags.from(@intCast(u2, hb_glyph_info_get_glyph_flags(&self)));
@ -328,12 +331,14 @@ pub const Buffer = struct {
}
pub fn getGlyphInfos(self: Buffer) []GlyphInfo {
return hb_buffer_get_glyph_infos(self.handle, null)[0..self.getLength()];
var length: u32 = 0;
return hb_buffer_get_glyph_infos(self.handle, &length)[0..length];
}
pub fn getGlyphPositions(self: Buffer) ?[]Position {
return if (hb_buffer_get_glyph_positions(self.handle, null)) |positions|
@ptrCast([*]Position, positions)[0..self.getLength()]
var length: u32 = 0;
return if (hb_buffer_get_glyph_positions(self.handle, &length)) |positions|
@ptrCast([*]Position, positions)[0..length]
else
null;
}