/*
- * Copyright (C) 1998-2004 David Turner and Werner Lemberg
- * Copyright (C) 2006 Behdad Esfahbod
- * Copyright (C) 2007,2008,2009 Red Hat, Inc.
+ * Copyright © 1998-2004 David Turner and Werner Lemberg
+ * Copyright © 2006 Behdad Esfahbod
+ * Copyright © 2007,2008,2009 Red Hat, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
#include "hb-ot-layout-gdef-private.hh"
#include "hb-ot-layout-gsub-private.hh"
#include "hb-ot-layout-gpos-private.hh"
+#include "hb-ot-head-private.hh"
+#include "hb-ot-maxp-private.hh"
#include <stdlib.h>
hb_ot_layout_t *
-_hb_ot_layout_new (hb_face_t *face)
+_hb_ot_layout_create (hb_face_t *face)
{
- /* Remove this object altogether */
+ /* TODO Remove this object altogether */
hb_ot_layout_t *layout = (hb_ot_layout_t *) calloc (1, sizeof (hb_ot_layout_t));
- layout->gdef_blob = Sanitizer<GDEF>::sanitize (hb_face_get_table (face, HB_OT_TAG_GDEF));
+ layout->gdef_blob = Sanitizer<GDEF>::sanitize (hb_face_reference_table (face, HB_OT_TAG_GDEF));
layout->gdef = Sanitizer<GDEF>::lock_instance (layout->gdef_blob);
- layout->gsub_blob = Sanitizer<GSUB>::sanitize (hb_face_get_table (face, HB_OT_TAG_GSUB));
+ layout->gsub_blob = Sanitizer<GSUB>::sanitize (hb_face_reference_table (face, HB_OT_TAG_GSUB));
layout->gsub = Sanitizer<GSUB>::lock_instance (layout->gsub_blob);
- layout->gpos_blob = Sanitizer<GPOS>::sanitize (hb_face_get_table (face, HB_OT_TAG_GPOS));
+ layout->gpos_blob = Sanitizer<GPOS>::sanitize (hb_face_reference_table (face, HB_OT_TAG_GPOS));
layout->gpos = Sanitizer<GPOS>::lock_instance (layout->gpos_blob);
+ layout->head_blob = Sanitizer<head>::sanitize (hb_face_reference_table (face, HB_OT_TAG_head));
+ layout->head = Sanitizer<head>::lock_instance (layout->head_blob);
+
return layout;
}
void
-_hb_ot_layout_free (hb_ot_layout_t *layout)
+_hb_ot_layout_destroy (hb_ot_layout_t *layout)
{
- hb_blob_unlock (layout->gdef_blob);
- hb_blob_unlock (layout->gsub_blob);
- hb_blob_unlock (layout->gpos_blob);
-
hb_blob_destroy (layout->gdef_blob);
hb_blob_destroy (layout->gsub_blob);
hb_blob_destroy (layout->gpos_blob);
+ hb_blob_destroy (layout->head_blob);
free (layout);
}
{
return likely (face->ot_layout && face->ot_layout->gdef) ? *face->ot_layout->gdef : Null(GDEF);
}
-
static inline const GSUB&
_get_gsub (hb_face_t *face)
{
return likely (face->ot_layout && face->ot_layout->gsub) ? *face->ot_layout->gsub : Null(GSUB);
}
-
static inline const GPOS&
_get_gpos (hb_face_t *face)
{
return likely (face->ot_layout && face->ot_layout->gpos) ? *face->ot_layout->gpos : Null(GPOS);
}
+static inline const head&
+_get_head (hb_face_t *face)
+{
+ return likely (face->ot_layout && face->ot_layout->head) ? *face->ot_layout->head : Null(head);
+}
/*
_hb_ot_layout_get_glyph_property (hb_face_t *face,
hb_glyph_info_t *info)
{
- if (!info->gproperty())
+ if (!info->props_cache())
{
const GDEF &gdef = _get_gdef (face);
- info->gproperty() = gdef.get_glyph_props (info->codepoint);
+ info->props_cache() = gdef.get_glyph_props (info->codepoint);
}
- return info->gproperty();
+ return info->props_cache();
}
-hb_bool_t
-_hb_ot_layout_check_glyph_property (hb_face_t *face,
- hb_glyph_info_t *ginfo,
- unsigned int lookup_props,
- unsigned int *property_out)
+static hb_bool_t
+_hb_ot_layout_match_properties (hb_face_t *face,
+ hb_codepoint_t codepoint,
+ unsigned int glyph_props,
+ unsigned int lookup_props)
{
- unsigned int property;
-
- property = _hb_ot_layout_get_glyph_property (face, ginfo);
- if (property_out)
- *property_out = property;
-
/* Not covered, if, for example, glyph class is ligature and
* lookup_props includes LookupFlags::IgnoreLigatures
*/
- if (property & lookup_props & LookupFlag::IgnoreFlags)
+ if (glyph_props & lookup_props & LookupFlag::IgnoreFlags)
return false;
- if (property & HB_OT_LAYOUT_GLYPH_CLASS_MARK)
+ if (glyph_props & HB_OT_LAYOUT_GLYPH_CLASS_MARK)
{
/* If using mark filtering sets, the high short of
* lookup_props has the set index.
*/
if (lookup_props & LookupFlag::UseMarkFilteringSet)
- return _get_gdef (face).mark_set_covers (lookup_props >> 16, ginfo->codepoint);
+ return _get_gdef (face).mark_set_covers (lookup_props >> 16, codepoint);
/* The second byte of lookup_props has the meaning
* "ignore marks of attachment type different than
* the attachment type specified."
*/
- if (lookup_props & LookupFlag::MarkAttachmentType && property & LookupFlag::MarkAttachmentType)
- return (lookup_props & LookupFlag::MarkAttachmentType) == (property & LookupFlag::MarkAttachmentType);
+ if (lookup_props & LookupFlag::MarkAttachmentType && glyph_props & LookupFlag::MarkAttachmentType)
+ return (lookup_props & LookupFlag::MarkAttachmentType) == (glyph_props & LookupFlag::MarkAttachmentType);
}
return true;
}
+hb_bool_t
+_hb_ot_layout_check_glyph_property (hb_face_t *face,
+ hb_glyph_info_t *ginfo,
+ unsigned int lookup_props,
+ unsigned int *property_out)
+{
+ unsigned int property;
+
+ property = _hb_ot_layout_get_glyph_property (face, ginfo);
+ (void) (property_out && (*property_out = property));
+
+ return _hb_ot_layout_match_properties (face, ginfo->codepoint, property, lookup_props);
+}
+
+hb_bool_t
+_hb_ot_layout_skip_mark (hb_face_t *face,
+ hb_glyph_info_t *ginfo,
+ unsigned int lookup_props,
+ unsigned int *property_out)
+{
+ unsigned int property;
+
+ property = _hb_ot_layout_get_glyph_property (face, ginfo);
+ (void) (property_out && (*property_out = property));
+
+ /* If it's a mark, skip it we don't accept it. */
+ if (unlikely (property & HB_OT_LAYOUT_GLYPH_CLASS_MARK))
+ return !_hb_ot_layout_match_properties (face, ginfo->codepoint, property, lookup_props);
+
+ /* If not a mark, don't skip. */
+ return false;
+}
+
+
+
unsigned int
hb_ot_layout_get_attach_points (hb_face_t *face,
hb_codepoint_t glyph,
unsigned int
hb_ot_layout_get_ligature_carets (hb_font_t *font,
- hb_face_t *face,
hb_direction_t direction,
hb_codepoint_t glyph,
unsigned int start_offset,
unsigned int *caret_count /* IN/OUT */,
int *caret_array /* OUT */)
{
- hb_ot_layout_context_t c;
- c.font = font;
- c.face = face;
- return _get_gdef (face).get_lig_carets (&c, direction, glyph, start_offset, caret_count, caret_array);
+ return _get_gdef (font->face).get_lig_carets (font, direction, glyph, start_offset, caret_count, caret_array);
}
/*
return &_get_gsub (face) != &Null(GSUB);
}
+void
+hb_ot_layout_substitute_start (hb_buffer_t *buffer)
+{
+ unsigned int count = buffer->len;
+ for (unsigned int i = 0; i < count; i++)
+ buffer->info[i].var1.u32 = buffer->info[i].var2.u32 = 0;
+}
+
hb_bool_t
hb_ot_layout_substitute_lookup (hb_face_t *face,
hb_buffer_t *buffer,
unsigned int lookup_index,
hb_mask_t mask)
{
- hb_ot_layout_context_t c;
- c.font = NULL;
- c.face = face;
- return _get_gsub (face).substitute_lookup (&c, buffer, lookup_index, mask);
+ return _get_gsub (face).substitute_lookup (face, buffer, lookup_index, mask);
+}
+
+void
+hb_ot_layout_substitute_finish (hb_buffer_t *buffer HB_UNUSED)
+{
}
return &_get_gpos (face) != &Null(GPOS);
}
+void
+hb_ot_layout_position_start (hb_buffer_t *buffer)
+{
+ buffer->clear_positions ();
+}
+
hb_bool_t
hb_ot_layout_position_lookup (hb_font_t *font,
- hb_face_t *face,
hb_buffer_t *buffer,
unsigned int lookup_index,
hb_mask_t mask)
{
- hb_ot_layout_context_t c;
- c.font = font;
- c.face = face;
- return _get_gpos (face).position_lookup (&c, buffer, lookup_index, mask);
+ return _get_gpos (font->face).position_lookup (font, buffer, lookup_index, mask);
}
void
}
+/*
+ * head
+ */
+
+unsigned int
+_hb_ot_layout_get_upem (hb_face_t *face)
+{
+ return _get_head (face).get_upem ();
+}
+
+
HB_END_DECLS
projects / framework / uifw / harfbuzz.git / blobdiff