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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/ots/src/vdmx.h
parentInitial commit. (diff)
downloadfirefox-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.h54
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_