Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 98 insertions, 0 deletions

diff --git a/gfx/ots/src/cff.h b/gfx/ots/src/cff.h
new file mode 100644
index 0000000000..03e7bb348f
--- /dev/null
+++ b/gfx/ots/src/cff.h
@@ -0,0 +1,98 @@
+// Copyright (c) 2009-2017 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.
+
+#ifndef OTS_CFF_H_
+#define OTS_CFF_H_
+
+#include "ots.h"
+
+#include <map>
+#include <string>
+#include <vector>
+
+#undef major // glibc defines major!
+
+namespace ots {
+
+struct CFFIndex {
+  CFFIndex()
+      : count(0), off_size(0), offset_to_next(0) {}
+  uint32_t count;
+  uint8_t off_size;
+  std::vector<uint32_t> offsets;
+  uint32_t offset_to_next;
+};
+
+typedef std::map<uint32_t, uint16_t> CFFFDSelect;
+
+class OpenTypeCFF : public Table {
+ public:
+  explicit OpenTypeCFF(Font *font, uint32_t tag)
+      : Table(font, tag, tag),
+        major(0),
+        font_dict_length(0),
+        charstrings_index(NULL),
+        local_subrs(NULL),
+        m_data(NULL),
+        m_length(0) {
+  }
+
+  ~OpenTypeCFF();
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+  // Major version number.
+  uint8_t major;
+
+  // Name INDEX. This name is used in name.cc as a postscript font name.
+  std::string name;
+
+  // The number of fonts the file has.
+  size_t font_dict_length;
+  // A map from glyph # to font #.
+  CFFFDSelect fd_select;
+
+  // A list of char strings.
+  CFFIndex* charstrings_index;
+  // A list of Local Subrs associated with FDArrays. Can be empty.
+  std::vector<CFFIndex *> local_subrs_per_font;
+  // A Local Subrs associated with Top DICT. Can be NULL.
+  CFFIndex *local_subrs;
+
+  // CFF2 VariationStore regionIndexCount.
+  std::vector<uint16_t> region_index_count;
+
+  // CFF2 vsindex: per FontDICT->PrivateDICT
+  // default of 0 is stored for each font if not
+  // explicitly set in Font's PrivateDICT.
+  std::vector<int32_t> vsindex_per_font;
+
+ protected:
+  bool ValidateFDSelect(uint16_t num_glyphs);
+
+ private:
+  const uint8_t *m_data;
+  size_t m_length;
+};
+
+class OpenTypeCFF2 : public OpenTypeCFF {
+ public:
+  explicit OpenTypeCFF2(Font *font, uint32_t tag)
+      : OpenTypeCFF(font, tag),
+        m_data(NULL),
+        m_length(0) {
+  }
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+ private:
+  const uint8_t *m_data;
+  size_t m_length;
+};
+
+}  // namespace ots
+
+#endif  // OTS_CFF_H_