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[subset] Sketch out a basic hb-ot-hdmx.hh.

This commit is contained in:
Garret Rieger 2018-02-21 14:18:49 -08:00
parent 4f6f7c3b22
commit fe42862ab3
3 changed files with 79 additions and 0 deletions
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1
src/Makefile.sources
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@ -20,6 +20,7 @@ HB_BASE_sources = \
hb-ot-cbdt-table.hh \
hb-ot-cmap-table.hh \
hb-ot-glyf-table.hh \
hb-ot-hdmx-table.hh \
hb-ot-head-table.hh \
hb-ot-hhea-table.hh \
hb-ot-hmtx-table.hh \

77
src/hb-ot-hdmx-table.hh Normal file
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@ -0,0 +1,77 @@
/*
* Copyright © 2018 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Garret Rieger
*/
#ifndef HB_OT_HDMX_TABLE_HH
#define HB_OT_HDMX_TABLE_HH
#include "hb-open-type-private.hh"
namespace OT {
#define HB_OT_TAG_hdmx HB_TAG('h','d','m','x')
struct DeviceRecord
{
HBUINT8 pixel_size;
HBUINT8 max_width;
HBUINT8 widths[VAR];
};
struct hdmx
{
inline unsigned int get_size (void) const
{
return min_size + num_records * size_device_record;
}
inline const DeviceRecord& operator [] (unsigned int i) const
{
if (unlikely (i >= num_records)) return Null(DeviceRecord);
return StructAtOffset<DeviceRecord> (this, min_size + i * size_device_record);
}
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this)
&& version == 0));
}
HBUINT16 version;
HBINT16 num_records;
HBINT32 size_device_record;
DeviceRecord records[VAR];
DEFINE_SIZE_MIN (8);
};
} /* namespace OT */
#endif /* HB_OT_HDMX_TABLE_HH */

1
src/hb-subset.cc
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@ -35,6 +35,7 @@
#include "hb-open-file-private.hh"
#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
#include "hb-ot-hdmx-table.hh"
#include "hb-ot-head-table.hh"
#include "hb-ot-hhea-table.hh"
#include "hb-ot-hmtx-table.hh"