Enable using OT SVG in FreeType

hexops · Sep 2, 2024 · 8bd5600 · 8bd5600
1 parent 86fc802
commit 8bd5600
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/build.zig b/build.zig
@@ -5,6 +5,10 @@ pub fn build(b: *std.Build) !void {
  const target = b.standardTargetOptions(.{});
  const use_system_zlib = b.option(bool, "use_system_zlib", "Use system zlib") orelse false;
  const enable_brotli = b.option(bool, "enable_brotli", "Build brotli") orelse true;
+ const enable_ot_svg = b.option(bool, "enable_ot_svg", "enable OpenType SVG") orelse false;
+
+ const build_options = b.addOptions();
+ build_options.addOption(bool, "enable_ot_svg", enable_ot_svg);
 
  const freetype_module = b.addModule("mach-freetype", .{
  .root_source_file = b.path("src/freetype.zig"),
@@ -13,6 +17,7 @@ pub fn build(b: *std.Build) !void {
  .root_source_file = b.path("src/harfbuzz.zig"),
  .imports = &.{.{ .name = "freetype", .module = freetype_module }},
  });
+ freetype_module.addImport("build-options", build_options.createModule());
 
  const freetype_tests = b.addTest(.{
  .name = "freetype-tests",

diff --git a/src/freetype.zig b/src/freetype.zig
@@ -1,3 +1,5 @@
+const build_options = @import("build-options");
+
 pub const c = @cImport({
  @cInclude("freetype/ftadvanc.h");
  @cInclude("freetype/ftbbox.h");
@@ -8,6 +10,10 @@ pub const c = @cImport({
  @cInclude("freetype/ftstroke.h");
  @cInclude("freetype/fttrigon.h");
  @cInclude("freetype/ftsynth.h");
+ @cInclude("freetype/ftmodapi.h");
+ if (build_options.enable_ot_svg) {
+ @cInclude("freetype/otsvg.h");
+ }
 });
 
 pub const Affine23 = c.FT_Affine23;
@@ -1044,6 +1050,10 @@ pub const Library = struct {
  pub fn setLcdFilter(self: Library, lcd_filter: LcdFilter) Error!void {
  return intToError(c.FT_Library_SetLcdFilter(self.handle, @intFromEnum(lcd_filter)));
  }
+
+ pub fn setProperty(self: Library, module_name: [*c]const u8, property_name: [*c]const u8, value: *const anyopaque) Error!void {
+ return intToError(c.FT_Property_Set(self.handle, module_name, property_name, value));
+ }
 };
 
 pub const OpenArgs = struct {
@@ -1567,6 +1577,7 @@ pub const Error = error{
  BbxTooBig,
  CorruptedFontHeader,
  CorruptedFontGlyphs,
+ MissingSVGHooks,
 };
 
 pub fn intToError(err: c_int) Error!void {
@@ -1661,6 +1672,7 @@ pub fn intToError(err: c_int) Error!void {
  c.FT_Err_Bbx_Too_Big => Error.BbxTooBig,
  c.FT_Err_Corrupted_Font_Header => Error.CorruptedFontHeader,
  c.FT_Err_Corrupted_Font_Glyphs => Error.CorruptedFontGlyphs,
+ c.FT_Err_Missing_SVG_Hooks => Error.MissingSVGHooks,
  else => unreachable,
  };
 }