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build: fix freetype C enum signedness for MSVC

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MSVC translates C enums as signed int, while GCC/Clang uses unsigned
int. The freetype Zig bindings hardcode c_uint for enum backing types,
causing type mismatches when compiling with MSVC target.

Fix by adding @intCast at call sites where enum values are passed to
C functions, and @bitCast for the glyph format tag extraction where
bit-shift operations require unsigned integers.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Alessandro De Blasis
2026-03-24 17:12:18 +01:00
parent deeda46186
commit ce99300513
2 changed files with 9 additions and 6 deletions
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4
pkg/freetype/face.zig
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@@ -52,7 +52,7 @@ pub const Face = struct {
/// Select a given charmap by its encoding tag (as listed in freetype.h).
pub fn selectCharmap(self: Face, encoding: Encoding) Error!void {
return intToError(c.FT_Select_Charmap(self.handle, @intFromEnum(encoding)));
return intToError(c.FT_Select_Charmap(self.handle, @intCast(@intFromEnum(encoding))));
}
/// Call FT_Request_Size to request the nominal size (in points).
@@ -99,7 +99,7 @@ pub const Face = struct {
pub fn renderGlyph(self: Face, render_mode: RenderMode) Error!void {
return intToError(c.FT_Render_Glyph(
self.handle.*.glyph,
@intFromEnum(render_mode),
@intCast(@intFromEnum(render_mode)),
));
}