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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/ots/src/vdmx.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/ots/src/vdmx.h')
-rw-r--r-- | gfx/ots/src/vdmx.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gfx/ots/src/vdmx.h b/gfx/ots/src/vdmx.h new file mode 100644 index 0000000000..6ccf6dc1b6 --- /dev/null +++ b/gfx/ots/src/vdmx.h @@ -0,0 +1,54 @@ +// 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_VDMX_H_ +#define OTS_VDMX_H_ + +#include <vector> + +#include "ots.h" + +namespace ots { + +struct OpenTypeVDMXRatioRecord { + uint8_t charset; + uint8_t x_ratio; + uint8_t y_start_ratio; + uint8_t y_end_ratio; +}; + +struct OpenTypeVDMXVTable { + uint16_t y_pel_height; + int16_t y_max; + int16_t y_min; +}; + +struct OpenTypeVDMXGroup { + uint16_t recs; + uint8_t startsz; + uint8_t endsz; + std::vector<OpenTypeVDMXVTable> entries; +}; + +class OpenTypeVDMX : public Table { + public: + explicit OpenTypeVDMX(Font *font, uint32_t tag) + : Table(font, tag, tag) { } + + bool Parse(const uint8_t *data, size_t length); + bool Serialize(OTSStream *out); + bool ShouldSerialize(); + + private: + uint16_t version; + uint16_t num_recs; + uint16_t num_ratios; + std::vector<OpenTypeVDMXRatioRecord> rat_ranges; + std::vector<uint16_t> offsets; + std::vector<OpenTypeVDMXGroup> groups; +}; + +} // namespace ots + +#endif // OTS_VDMX_H_ |