Basic TTC (collection) support.HEADv0.0.7main

1 files changed, 59 insertions, 0 deletions

diff --git a/src/collection.h b/src/collection.h
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+/*
+    Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libttf.
+
+    libttf is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libttf is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libttf.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#pragma once
+
+#include "font.h"
+#include <boost/filesystem.hpp>
+#include <fmt/format.h>
+
+class Source;
+
+
+namespace ttf {
+
+
+class InvalidTTCTag : public std::runtime_error
+{
+public:
+	InvalidTTCTag(uint32_t ttc_type) : std::runtime_error(fmt::format("Invalid TTC type 0x{0:x}", ttc_type)) {}
+};
+
+
+class Collection
+{
+public:
+	Collection(boost::filesystem::path const& ttc_file);
+	Collection(uint8_t const* data, int size);
+
+	std::vector<Font> fonts() const {
+		return _fonts;
+	}
+
+private:
+	void read_source(Source& source);
+
+	std::vector<Font> _fonts;
+};
+
+
+
+}