#include "evas_font_ot.h"
-#ifdef OT_SUPPORT
+#ifdef USE_HARFBUZZ
# include <hb.h>
# include <hb-ft.h>
#endif
#include <Eina.h>
#include "evas_font_private.h"
+#ifdef USE_HARFBUZZ
+static const hb_script_t
+_evas_script_to_harfbuzz[] =
+{
+ HB_SCRIPT_COMMON,
+ HB_SCRIPT_INHERITED,
+ HB_SCRIPT_ARABIC,
+ HB_SCRIPT_ARMENIAN,
+ HB_SCRIPT_BENGALI,
+ HB_SCRIPT_BOPOMOFO,
+ HB_SCRIPT_CHEROKEE,
+ HB_SCRIPT_COPTIC,
+ HB_SCRIPT_CYRILLIC,
+ HB_SCRIPT_DESERET,
+ HB_SCRIPT_DEVANAGARI,
+ HB_SCRIPT_ETHIOPIC,
+ HB_SCRIPT_GEORGIAN,
+ HB_SCRIPT_GOTHIC,
+ HB_SCRIPT_GREEK,
+ HB_SCRIPT_GUJARATI,
+ HB_SCRIPT_GURMUKHI,
+ HB_SCRIPT_HAN,
+ HB_SCRIPT_HANGUL,
+ HB_SCRIPT_HEBREW,
+ HB_SCRIPT_HIRAGANA,
+ HB_SCRIPT_KANNADA,
+ HB_SCRIPT_KATAKANA,
+ HB_SCRIPT_KHMER,
+ HB_SCRIPT_LAO,
+ HB_SCRIPT_LATIN,
+ HB_SCRIPT_MALAYALAM,
+ HB_SCRIPT_MONGOLIAN,
+ HB_SCRIPT_MYANMAR,
+ HB_SCRIPT_OGHAM,
+ HB_SCRIPT_OLD_ITALIC,
+ HB_SCRIPT_ORIYA,
+ HB_SCRIPT_RUNIC,
+ HB_SCRIPT_SINHALA,
+ HB_SCRIPT_SYRIAC,
+ HB_SCRIPT_TAMIL,
+ HB_SCRIPT_TELUGU,
+ HB_SCRIPT_THAANA,
+ HB_SCRIPT_THAI,
+ HB_SCRIPT_TIBETAN,
+ HB_SCRIPT_CANADIAN_ABORIGINAL,
+ HB_SCRIPT_YI,
+ HB_SCRIPT_TAGALOG,
+ HB_SCRIPT_HANUNOO,
+ HB_SCRIPT_BUHID,
+ HB_SCRIPT_TAGBANWA,
+
+ /* Unicode-4.0 additions */
+ HB_SCRIPT_BRAILLE,
+ HB_SCRIPT_CYPRIOT,
+ HB_SCRIPT_LIMBU,
+ HB_SCRIPT_OSMANYA,
+ HB_SCRIPT_SHAVIAN,
+ HB_SCRIPT_LINEAR_B,
+ HB_SCRIPT_TAI_LE,
+ HB_SCRIPT_UGARITIC,
+
+ /* Unicode-4.1 additions */
+ HB_SCRIPT_NEW_TAI_LUE,
+ HB_SCRIPT_BUGINESE,
+ HB_SCRIPT_GLAGOLITIC,
+ HB_SCRIPT_TIFINAGH,
+ HB_SCRIPT_SYLOTI_NAGRI,
+ HB_SCRIPT_OLD_PERSIAN,
+ HB_SCRIPT_KHAROSHTHI,
+
+ /* Unicode-5.0 additions */
+ HB_SCRIPT_UNKNOWN,
+ HB_SCRIPT_BALINESE,
+ HB_SCRIPT_CUNEIFORM,
+ HB_SCRIPT_PHOENICIAN,
+ HB_SCRIPT_PHAGS_PA,
+ HB_SCRIPT_NKO,
+
+ /* Unicode-5.1 additions */
+ HB_SCRIPT_KAYAH_LI,
+ HB_SCRIPT_LEPCHA,
+ HB_SCRIPT_REJANG,
+ HB_SCRIPT_SUNDANESE,
+ HB_SCRIPT_SAURASHTRA,
+ HB_SCRIPT_CHAM,
+ HB_SCRIPT_OL_CHIKI,
+ HB_SCRIPT_VAI,
+ HB_SCRIPT_CARIAN,
+ HB_SCRIPT_LYCIAN,
+ HB_SCRIPT_LYDIAN,
+
+ /* Unicode-5.2 additions */
+ HB_SCRIPT_AVESTAN,
+ HB_SCRIPT_BAMUM,
+ HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,
+ HB_SCRIPT_IMPERIAL_ARAMAIC,
+ HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,
+ HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,
+ HB_SCRIPT_JAVANESE,
+ HB_SCRIPT_KAITHI,
+ HB_SCRIPT_TAI_THAM,
+ HB_SCRIPT_LISU,
+ HB_SCRIPT_MEETEI_MAYEK,
+ HB_SCRIPT_OLD_SOUTH_ARABIAN,
+ HB_SCRIPT_OLD_TURKIC,
+ HB_SCRIPT_SAMARITAN,
+ HB_SCRIPT_TAI_VIET,
+
+ /* Unicode-6.0 additions */
+ HB_SCRIPT_BATAK,
+ HB_SCRIPT_BRAHMI,
+ HB_SCRIPT_MANDAIC
+};
+#endif
+
#ifdef OT_SUPPORT
/* FIXME: doc. returns #items */
EAPI int
return (items > 0) ? items : 1;
}
-EAPI void
-evas_common_font_ot_load_face(void *_font)
-{
- RGBA_Font_Source *font = (RGBA_Font_Source *) _font;
- /* Unload the face if by any chance it's already loaded */
- evas_common_font_ot_unload_face(font);
- font->hb.face = hb_ft_face_create(font->ft.face, NULL);
-}
-
-EAPI void
-evas_common_font_ot_unload_face(void *_font)
-{
- RGBA_Font_Source *font = (RGBA_Font_Source *) _font;
- if (!font->hb.face) return;
- hb_face_destroy(font->hb.face);
- font->hb.face = NULL;
-}
-
/* Harfbuzz font functions */
-static hb_font_funcs_t *_ft_font_funcs = NULL;
-
-static hb_codepoint_t
-_evas_common_font_ot_hb_get_glyph(hb_font_t *font, hb_face_t *face,
- const void *user_data, hb_codepoint_t unicode,
- hb_codepoint_t variation_selector)
-{
- RGBA_Font_Int *fi = (RGBA_Font_Int *) user_data;
- return hb_font_funcs_get_glyph_func(_ft_font_funcs)(font, face,
- fi->src->ft.face, unicode, variation_selector);
-}
-static void
-_evas_common_font_ot_hb_get_glyph_advance(hb_font_t *font, hb_face_t *face,
- const void *user_data, hb_codepoint_t glyph,
- hb_position_t *x_advance, hb_position_t *y_advance)
+static hb_position_t
+_evas_common_font_ot_hb_get_glyph_advance(hb_font_t *font,
+ void *font_data, hb_codepoint_t glyph,
+ void *user_data)
{
/* Use our cache*/
- RGBA_Font_Int *fi = (RGBA_Font_Int *) user_data;
+ RGBA_Font_Int *fi = (RGBA_Font_Int *) font_data;
RGBA_Font_Glyph *fg;
(void) font;
- (void) face;
+ (void) user_data;
fg = evas_common_font_int_cache_glyph_get(fi, glyph);
if (fg)
{
- *x_advance = fg->glyph->advance.x >> 10;
- *y_advance = fg->glyph->advance.y >> 10;
+ return fg->glyph->advance.x >> 10;
}
-}
-
-static void
-_evas_common_font_ot_hb_get_glyph_extents(hb_font_t *font, hb_face_t *face,
- const void *user_data, hb_codepoint_t glyph, hb_glyph_extents_t *extents)
-{
- RGBA_Font_Int *fi = (RGBA_Font_Int *) user_data;
- hb_font_funcs_get_glyph_extents_func(_ft_font_funcs)(font, face,
- fi->src->ft.face, glyph, extents);
-}
-
-static hb_bool_t
-_evas_common_font_ot_hb_get_contour_point(hb_font_t *font, hb_face_t *face,
- const void *user_data, unsigned int point_index, hb_codepoint_t glyph,
- hb_position_t *x, hb_position_t *y)
-{
- RGBA_Font_Int *fi = (RGBA_Font_Int *) user_data;
- return hb_font_funcs_get_contour_point_func(_ft_font_funcs)(font, face,
- fi->src->ft.face, point_index, glyph, x, y);
+ return 0;
}
static hb_position_t
-_evas_common_font_ot_hb_get_kerning(hb_font_t *font, hb_face_t *face,
- const void *user_data, hb_codepoint_t first_glyph,
- hb_codepoint_t second_glyph)
+_evas_common_font_ot_hb_get_kerning(hb_font_t *font, void *font_data,
+ hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, void *user_data)
{
- RGBA_Font_Int *fi = (RGBA_Font_Int *) user_data;
+ RGBA_Font_Int *fi = (RGBA_Font_Int *) font_data;
int kern;
(void) font;
- (void) face;
+ (void) user_data;
if (evas_common_font_query_kerning(fi, first_glyph, second_glyph, &kern))
return kern;
- else
- return 0;
+
+ return 0;
}
/* End of harfbuzz font funcs */
-static hb_font_funcs_t *
+static inline hb_font_funcs_t *
_evas_common_font_ot_font_funcs_get(void)
{
static hb_font_funcs_t *font_funcs = NULL;
if (!font_funcs)
{
- _ft_font_funcs = hb_ft_get_font_funcs();
font_funcs = hb_font_funcs_create();
- hb_font_funcs_set_glyph_func(font_funcs,
- _evas_common_font_ot_hb_get_glyph);
- hb_font_funcs_set_glyph_advance_func(font_funcs,
- _evas_common_font_ot_hb_get_glyph_advance);
- hb_font_funcs_set_glyph_extents_func(font_funcs,
- _evas_common_font_ot_hb_get_glyph_extents);
- hb_font_funcs_set_contour_point_func(font_funcs,
- _evas_common_font_ot_hb_get_contour_point);
- hb_font_funcs_set_kerning_func(font_funcs,
- _evas_common_font_ot_hb_get_kerning);
+ hb_font_funcs_set_glyph_h_advance_func(font_funcs,
+ _evas_common_font_ot_hb_get_glyph_advance, NULL, NULL);
+ hb_font_funcs_set_glyph_h_kerning_func(font_funcs,
+ _evas_common_font_ot_hb_get_kerning, NULL, NULL);
}
return font_funcs;
}
+static inline hb_unicode_funcs_t *
+_evas_common_font_ot_unicode_funcs_get(void)
+{
+ static hb_unicode_funcs_t *unicode_funcs = NULL;
+ if (!unicode_funcs)
+ {
+ unicode_funcs = hb_unicode_funcs_get_default();
+ }
+
+ return unicode_funcs;
+}
+
static void
_evas_common_font_ot_shape(hb_buffer_t *buffer, RGBA_Font_Int *fi)
{
- hb_font_t *hb_font;
+ /* Create hb_font if not previously created */
+ if (!fi->ft.hb_font)
+ {
+ hb_font_t *hb_ft_font;
+
+ hb_ft_font = hb_ft_font_create(fi->src->ft.face, NULL);
+ fi->ft.hb_font = hb_font_create_sub_font(hb_ft_font);
+ hb_font_destroy(hb_ft_font);
- hb_font = hb_ft_font_create(fi->src->ft.face, NULL);
- hb_font_set_funcs(hb_font, _evas_common_font_ot_font_funcs_get(), NULL, fi);
+ hb_font_set_funcs(fi->ft.hb_font,
+ _evas_common_font_ot_font_funcs_get(), fi, NULL);
+ }
- hb_shape(hb_font, fi->src->hb.face, buffer, NULL, 0);
- hb_font_destroy(hb_font);
+ hb_shape(fi->ft.hb_font, buffer, NULL, 0);
}
EAPI Eina_Bool
-evas_common_font_ot_populate_text_props(void *_fn, const Eina_Unicode *text,
+evas_common_font_ot_populate_text_props(const Eina_Unicode *text,
Evas_Text_Props *props, int len)
{
- RGBA_Font *fn = (RGBA_Font *) _fn;
RGBA_Font_Int *fi;
hb_buffer_t *buffer;
hb_glyph_position_t *positions;
unsigned int i;
Evas_Font_Glyph_Info *gl_itr;
Evas_Font_OT_Info *ot_itr;
+ Evas_Coord pen_x = 0;
- fi = fn->fonts->data;
- /* Load the font needed for this script */
- {
- /* Skip common chars */
- const Eina_Unicode *tmp;
- for (tmp = text ;
- *tmp &&
- evas_common_language_char_script_get(*tmp) == EVAS_SCRIPT_COMMON ;
- tmp++)
- ;
- if (!*tmp && (tmp > text)) tmp--;
- evas_common_font_glyph_search(fn, &fi, *tmp);
- }
- evas_common_font_int_reload(fi);
- if (fi->src->current_size != fi->size)
- {
- FTLOCK();
- FT_Activate_Size(fi->ft.size);
- FTUNLOCK();
- fi->src->current_size = fi->size;
- }
+ fi = props->font_instance;
if (len < 0)
{
slen = len;
}
+#if HB_VERSION_CHECK(0,7,0)
buffer = hb_buffer_create(slen);
- hb_buffer_set_unicode_funcs(buffer, evas_common_language_unicode_funcs_get());
+#else
+ buffer = hb_buffer_create();
+#endif
+ hb_buffer_set_unicode_funcs(buffer, _evas_common_font_ot_unicode_funcs_get());
+#if HB_VERSION_CHECK(0,7,0)
hb_buffer_set_language(buffer, hb_language_from_string(
evas_common_language_from_locale_get()));
- hb_buffer_set_script(buffer, props->script);
+#else
+ hb_buffer_set_language(buffer, hb_language_from_string(
+ evas_common_language_from_locale_get(), -1));
+#endif
+ hb_buffer_set_script(buffer, _evas_script_to_harfbuzz[props->script]);
hb_buffer_set_direction(buffer,
(props->bidi.dir == EVAS_BIDI_DIRECTION_RTL) ?
HB_DIRECTION_RTL : HB_DIRECTION_LTR);
sizeof(Evas_Font_OT_Info));
props->info->glyph = calloc(props->len,
sizeof(Evas_Font_Glyph_Info));
- positions = hb_buffer_get_glyph_positions(buffer);
- infos = hb_buffer_get_glyph_infos(buffer);
+ positions = hb_buffer_get_glyph_positions(buffer, NULL);
+ infos = hb_buffer_get_glyph_infos(buffer, NULL);
gl_itr = props->info->glyph;
ot_itr = props->info->ot;
for (i = 0 ; i < props->len ; i++)
{
+ Evas_Coord adv;
ot_itr->source_cluster = infos->cluster;
ot_itr->x_offset = positions->x_offset;
ot_itr->y_offset = positions->y_offset;
gl_itr->index = infos->codepoint;
- gl_itr->advance = positions->x_advance;
+ adv = positions->x_advance;
+
+ pen_x += adv;
+ gl_itr->pen_after = EVAS_FONT_ROUND_26_6_TO_INT(pen_x);
ot_itr++;
gl_itr++;
projects / framework / uifw / evas.git / blobdiff