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-rw-r--r--gfx/ots/src/vmtx.cc46
1 files changed, 9 insertions, 37 deletions
diff --git a/gfx/ots/src/vmtx.cc b/gfx/ots/src/vmtx.cc
index 64a706148..d576ae294 100644
--- a/gfx/ots/src/vmtx.cc
+++ b/gfx/ots/src/vmtx.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011-2017 The OTS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@@ -10,48 +10,20 @@
// vmtx - Vertical Metrics Table
// http://www.microsoft.com/typography/otspec/vmtx.htm
-#define TABLE_NAME "vmtx"
-
namespace ots {
-bool ots_vmtx_parse(Font *font, const uint8_t *data, size_t length) {
- Buffer table(data, length);
- OpenTypeVMTX *vmtx = new OpenTypeVMTX;
- font->vmtx = vmtx;
-
- if (!font->vhea || !font->maxp) {
- return OTS_FAILURE_MSG("vhea or maxp table missing as needed by vmtx");
- }
-
- if (!ParseMetricsTable(font, &table, font->maxp->num_glyphs,
- &font->vhea->header, &vmtx->metrics)) {
- return OTS_FAILURE_MSG("Failed to parse vmtx metrics");
- }
-
- return true;
+bool OpenTypeVMTX::Parse(const uint8_t *data, size_t length) {
+ return OpenTypeMetricsTable::Parse(data, length);
}
-bool ots_vmtx_should_serialise(Font *font) {
- // vmtx should serialise when vhea is preserved.
- return font->vmtx != NULL && font->vhea != NULL;
+bool OpenTypeVMTX::Serialize(OTSStream *out) {
+ return OpenTypeMetricsTable::Serialize(out);
}
-bool ots_vmtx_serialise(OTSStream *out, Font *font) {
- if (!SerialiseMetricsTable(font, out, &font->vmtx->metrics)) {
- return OTS_FAILURE_MSG("Failed to write vmtx metrics");
- }
- return true;
-}
-
-void ots_vmtx_reuse(Font *font, Font *other) {
- font->vmtx = other->vmtx;
- font->vmtx_reused = true;
-}
-
-void ots_vmtx_free(Font *font) {
- delete font->vmtx;
+bool OpenTypeVMTX::ShouldSerialize() {
+ return OpenTypeMetricsTable::ShouldSerialize() &&
+ // vmtx should serialise when vhea is preserved.
+ GetFont()->GetTable(OTS_TAG_VHEA) != NULL;
}
} // namespace ots
-
-#undef TABLE_NAME