/*
- * Copyright (C) 2007,2008,2009 Red Hat, Inc.
+ * Copyright © 2007,2008,2009 Red Hat, Inc.
+ * Copyright © 2010,2011 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod
*/
#ifndef HB_OT_LAYOUT_GDEF_PRIVATE_HH
#include "hb-ot-layout-common-private.hh"
-#include "hb-font-private.h"
+#include "hb-font-private.hh"
+
+HB_BEGIN_DECLS
/*
friend struct CaretValue;
private:
- inline int get_caret_value (hb_ot_layout_context_t *c, hb_codepoint_t glyph_id HB_UNUSED) const
+ inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
{
- /* TODO vertical */
- return c->scale_x (coordinate);
+ return HB_DIRECTION_IS_HORIZONTAL (direction) ? font->em_scale_x (coordinate) : font->em_scale_y (coordinate);
}
inline bool sanitize (hb_sanitize_context_t *c) {
friend struct CaretValue;
private:
- inline int get_caret_value (hb_ot_layout_context_t *c, hb_codepoint_t glyph_id) const
+ inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
{
- /* TODO vertical */
hb_position_t x, y;
- if (hb_font_get_contour_point (c->font, c->face, caretValuePoint, glyph_id, &x, &y))
- return x;
+ if (hb_font_get_glyph_contour_point_for_origin (font, glyph_id, caretValuePoint, direction, &x, &y))
+ return HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y;
else
return 0;
}
{
friend struct CaretValue;
- inline int get_caret_value (hb_ot_layout_context_t *c, hb_codepoint_t glyph_id HB_UNUSED) const
+ inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
{
- /* TODO vertical */
- return c->scale_x (coordinate) + ((this+deviceTable).get_x_delta (c));
+ return HB_DIRECTION_IS_HORIZONTAL (direction) ?
+ font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font) :
+ font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font);
}
inline bool sanitize (hb_sanitize_context_t *c) {
struct CaretValue
{
- inline int get_caret_value (hb_ot_layout_context_t *c, hb_codepoint_t glyph_id) const
+ inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
{
switch (u.format) {
- case 1: return u.format1.get_caret_value (c, glyph_id);
- case 2: return u.format2.get_caret_value (c, glyph_id);
- case 3: return u.format3.get_caret_value (c, glyph_id);
+ case 1: return u.format1.get_caret_value (font, direction, glyph_id);
+ case 2: return u.format2.get_caret_value (font, direction, glyph_id);
+ case 3: return u.format3.get_caret_value (font, direction, glyph_id);
default:return 0;
}
}
struct LigGlyph
{
- inline unsigned int get_lig_carets (hb_ot_layout_context_t *c,
+ inline unsigned int get_lig_carets (hb_font_t *font,
+ hb_direction_t direction,
hb_codepoint_t glyph_id,
unsigned int start_offset,
unsigned int *caret_count /* IN/OUT */,
- int *caret_array /* OUT */) const
+ hb_position_t *caret_array /* OUT */) const
{
if (caret_count) {
const OffsetTo<CaretValue> *array = carets.sub_array (start_offset, caret_count);
unsigned int count = *caret_count;
for (unsigned int i = 0; i < count; i++)
- caret_array[i] = (this+array[i]).get_caret_value (c, glyph_id);
+ caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id);
}
return carets.len;
struct LigCaretList
{
- inline unsigned int get_lig_carets (hb_ot_layout_context_t *c,
+ inline unsigned int get_lig_carets (hb_font_t *font,
+ hb_direction_t direction,
hb_codepoint_t glyph_id,
unsigned int start_offset,
unsigned int *caret_count /* IN/OUT */,
- int *caret_array /* OUT */) const
+ hb_position_t *caret_array /* OUT */) const
{
unsigned int index = (this+coverage) (glyph_id);
if (index == NOT_COVERED)
return 0;
}
const LigGlyph &lig_glyph = this+ligGlyph[index];
- return lig_glyph.get_lig_carets (c, glyph_id, start_offset, caret_count, caret_array);
+ return lig_glyph.get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array);
}
inline bool sanitize (hb_sanitize_context_t *c) {
ComponentGlyph = 4
};
- inline bool has_glyph_classes () const { return glyphClassDef != 0; }
- inline hb_ot_layout_class_t get_glyph_class (hb_codepoint_t glyph) const
+ inline bool has_glyph_classes (void) const { return glyphClassDef != 0; }
+ inline unsigned int get_glyph_class (hb_codepoint_t glyph) const
{ return (this+glyphClassDef).get_class (glyph); }
- inline bool has_mark_attachment_types () const { return markAttachClassDef != 0; }
- inline hb_ot_layout_class_t get_mark_attachment_type (hb_codepoint_t glyph) const
+ inline bool has_mark_attachment_types (void) const { return markAttachClassDef != 0; }
+ inline unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
{ return (this+markAttachClassDef).get_class (glyph); }
- inline bool has_attach_points () const { return attachList != 0; }
+ inline bool has_attach_points (void) const { return attachList != 0; }
inline unsigned int get_attach_points (hb_codepoint_t glyph_id,
unsigned int start_offset,
unsigned int *point_count /* IN/OUT */,
unsigned int *point_array /* OUT */) const
{ return (this+attachList).get_attach_points (glyph_id, start_offset, point_count, point_array); }
- inline bool has_lig_carets () const { return ligCaretList != 0; }
- inline unsigned int get_lig_carets (hb_ot_layout_context_t *c,
+ inline bool has_lig_carets (void) const { return ligCaretList != 0; }
+ inline unsigned int get_lig_carets (hb_font_t *font,
+ hb_direction_t direction,
hb_codepoint_t glyph_id,
unsigned int start_offset,
unsigned int *caret_count /* IN/OUT */,
- int *caret_array /* OUT */) const
- { return (this+ligCaretList).get_lig_carets (c, glyph_id, start_offset, caret_count, caret_array); }
+ hb_position_t *caret_array /* OUT */) const
+ { return (this+ligCaretList).get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array); }
- inline bool has_mark_sets () const { return version >= 0x00010002 && markGlyphSetsDef[0] != 0; }
+ inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002 && markGlyphSetsDef[0] != 0; }
inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
- { return version >= 0x00010002 && (this+markGlyphSetsDef[0]).covers (set_index, glyph_id); }
+ { return version.to_int () >= 0x00010002 && (this+markGlyphSetsDef[0]).covers (set_index, glyph_id); }
inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
&& attachList.sanitize (c, this)
&& ligCaretList.sanitize (c, this)
&& markAttachClassDef.sanitize (c, this)
- && (version < 0x00010002 || markGlyphSetsDef[0].sanitize (c, this));
+ && (version.to_int () < 0x00010002 || markGlyphSetsDef[0].sanitize (c, this));
+ }
+
+
+ /* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
+ * glyph class and other bits, and high 8-bit gthe mark attachment type (if any).
+ * Not to be confused with lookup_props which is very similar. */
+ inline unsigned int get_glyph_props (hb_codepoint_t glyph) const
+ {
+ unsigned int klass = get_glyph_class (glyph);
+
+ switch (klass) {
+ default:
+ case UnclassifiedGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED;
+ case BaseGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH;
+ case LigatureGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE;
+ case ComponentGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT;
+ case MarkGlyph:
+ klass = get_mark_attachment_type (glyph);
+ return HB_OT_LAYOUT_GLYPH_CLASS_MARK | (klass << 8);
+ }
}
+
private:
FixedVersion version; /* Version of the GDEF table--currently
* 0x00010002 */
};
+HB_END_DECLS
+
#endif /* HB_OT_LAYOUT_GDEF_PRIVATE_HH */
projects / framework / uifw / harfbuzz.git / blobdiff