/*
- * Copyright (C) 1998-2004 David Turner and Werner Lemberg
- * Copyright (C) 2004,2007,2009,2010 Red Hat, Inc.
+ * Copyright © 1998-2004 David Turner and Werner Lemberg
+ * Copyright © 2004,2007,2009,2010 Red Hat, Inc.
*
- * This is part of HarfBuzz, a text shaping library.
+ * 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
#ifndef HB_BUFFER_PRIVATE_HH
#define HB_BUFFER_PRIVATE_HH
-#include "hb-private.h"
+#include "hb-private.hh"
#include "hb-buffer.h"
-#include "hb-unicode-private.h"
+#include "hb-object-private.hh"
+#include "hb-unicode-private.hh"
HB_BEGIN_DECLS
-#define HB_BUFFER_GLYPH_PROPERTIES_UNKNOWN 0xFFFF
-#define component() var1.u16[0]
-#define lig_id() var1.u16[1]
-#define gproperty() var2.u32
-#define back() var.u16[0] /* number of glyphs to go back for drawing current glyph */
-#define cursive_chain() var.i16[1] /* character to which this connects, may be positive or negative */
-
ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20);
ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t));
_hb_buffer_clear_output (hb_buffer_t *buffer);
HB_INTERNAL void
-_hb_buffer_replace_glyphs (hb_buffer_t *buffer,
- unsigned int num_in,
- unsigned int num_out,
- const hb_codepoint_t *glyph_data);
+_hb_buffer_clear_positions (hb_buffer_t *buffer);
HB_INTERNAL void
_hb_buffer_replace_glyphs_be16 (hb_buffer_t *buffer,
struct _hb_buffer_t {
- hb_reference_count_t ref_count;
+ hb_object_header_t header;
/* Information about how the text in the buffer should be treated */
/* Buffer contents */
- unsigned int allocated; /* Length of allocated arrays */
-
- hb_bool_t have_output; /* Whether we have an output buffer going on */
- hb_bool_t have_positions; /* Whether we have positions */
- hb_bool_t in_error; /* Allocation failed */
+ bool in_error; /* Allocation failed */
+ bool have_output; /* Whether we have an output buffer going on */
+ bool have_positions; /* Whether we have positions */
unsigned int i; /* Cursor into ->info and ->pos arrays */
unsigned int len; /* Length of ->info and ->pos arrays */
- unsigned int out_len; /* Length of ->out array */
+ unsigned int out_len; /* Length of ->out array if have_output */
+
+ unsigned int serial;
+ unsigned int allocated; /* Length of allocated arrays */
hb_glyph_info_t *info;
hb_glyph_info_t *out_info;
hb_glyph_position_t *pos;
- /* Other stuff */
-
- unsigned int max_lig_id;
-
/* Methods */
- inline unsigned int allocate_lig_id (void) { return max_lig_id++; }
+ inline unsigned int backtrack_len (void) const
+ { return this->have_output? this->out_len : this->i; }
+ inline unsigned int next_serial (void) { return serial++; }
inline void swap (void) { _hb_buffer_swap (this); }
inline void clear_output (void) { _hb_buffer_clear_output (this); }
+ inline void clear_positions (void) { _hb_buffer_clear_positions (this); }
inline void next_glyph (void) { _hb_buffer_next_glyph (this); }
- inline void replace_glyphs (unsigned int num_in,
- unsigned int num_out,
- const hb_codepoint_t *glyph_data)
- { _hb_buffer_replace_glyphs (this, num_in, num_out, glyph_data); }
inline void replace_glyphs_be16 (unsigned int num_in,
unsigned int num_out,
const uint16_t *glyph_data_be)
inline void reset_masks (hb_mask_t mask)
{
- for (unsigned int i = 0; i < len; i++)
- info[i].mask = mask;
+ for (unsigned int j = 0; j < len; j++)
+ info[j].mask = mask;
}
inline void add_masks (hb_mask_t mask)
{
- for (unsigned int i = 0; i < len; i++)
- info[i].mask |= mask;
+ for (unsigned int j = 0; j < len; j++)
+ info[j].mask |= mask;
}
inline void set_masks (hb_mask_t value,
hb_mask_t mask,
unsigned int cluster_start,
unsigned int cluster_end)
{ _hb_buffer_set_masks (this, value, mask, cluster_start, cluster_end); }
-
};