Update OTS to revision a7a3b94

third_party/ots/src/hmtx.cc

Index: third_party/ots/src/hmtx.cc
diff --git a/third_party/ots/src/hmtx.cc b/third_party/ots/src/hmtx.cc
index ae86513196a86a33f30850d0a2bb2dc598968700..667d1fe6f5663b906e4f52a1d8d8d110c3284571 100644
--- a/third_party/ots/src/hmtx.cc
+++ b/third_party/ots/src/hmtx.cc
@@ -14,36 +14,41 @@
 
 namespace ots {
 
-bool ots_hmtx_parse(OpenTypeFile *file, const uint8_t *data, size_t length) {
+bool ots_hmtx_parse(Font *font, const uint8_t *data, size_t length) {
   Buffer table(data, length);
   OpenTypeHMTX *hmtx = new OpenTypeHMTX;
-  file->hmtx = hmtx;
+  font->hmtx = hmtx;
 
-  if (!file->hhea || !file->maxp) {
+  if (!font->hhea || !font->maxp) {
     return OTS_FAILURE_MSG("Missing hhea or maxp tables in font, needed by hmtx");
   }
 
-  if (!ParseMetricsTable(file, &table, file->maxp->num_glyphs,
-                         &file->hhea->header, &hmtx->metrics)) {
+  if (!ParseMetricsTable(font, &table, font->maxp->num_glyphs,
+                         &font->hhea->header, &hmtx->metrics)) {
     return OTS_FAILURE_MSG("Failed to parse hmtx metrics");
   }
 
   return true;
 }
 
-bool ots_hmtx_should_serialise(OpenTypeFile *file) {
-  return file->hmtx != NULL;
+bool ots_hmtx_should_serialise(Font *font) {
+  return font->hmtx != NULL;
 }
 
-bool ots_hmtx_serialise(OTSStream *out, OpenTypeFile *file) {
-  if (!SerialiseMetricsTable(file, out, &file->hmtx->metrics)) {
+bool ots_hmtx_serialise(OTSStream *out, Font *font) {
+  if (!SerialiseMetricsTable(font, out, &font->hmtx->metrics)) {
     return OTS_FAILURE_MSG("Failed to serialise htmx metrics");
   }
   return true;
 }
 
-void ots_hmtx_free(OpenTypeFile *file) {
-  delete file->hmtx;
+void ots_hmtx_reuse(Font *font, Font *other) {
+  font->hmtx = other->hmtx;
+  font->hmtx_reused = true;
+}
+
+void ots_hmtx_free(Font *font) {
+  delete font->hmtx;
 }
 
 }  // namespace ots