diff options
Diffstat (limited to 'pango/opentype/hb-font.cc')
| -rw-r--r-- | pango/opentype/hb-font.cc | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/pango/opentype/hb-font.cc b/pango/opentype/hb-font.cc deleted file mode 100644 index df3d80b9..00000000 --- a/pango/opentype/hb-font.cc +++ /dev/null @@ -1,323 +0,0 @@ -/* - * Copyright (C) 2009 Red Hat, Inc. - * - * This is part of HarfBuzz, an OpenType Layout engine 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. - * - * Red Hat Author(s): Behdad Esfahbod - */ - -#include "hb-private.h" - -#include "hb-font-private.h" -#include "hb-unicode-private.h" -#include "hb-open-file-private.hh" -#include "hb-blob.h" - -#include "hb-ot-layout-private.h" - -/* - * hb_font_funcs_t - */ - -hb_font_funcs_t _hb_font_funcs_nil = { - HB_REFERENCE_COUNT_INVALID, /* ref_count */ - - TRUE, /* immutable */ - - NULL, /* glyph_func */ - NULL, /* contour_point_func */ - NULL, /* glyph_metrics_func */ - NULL /* kerning_func */ -}; - -hb_font_funcs_t * -hb_font_funcs_create (void) -{ - hb_font_funcs_t *ffuncs; - - if (!HB_OBJECT_DO_CREATE (hb_font_funcs_t, ffuncs)) - return &_hb_font_funcs_nil; - - return ffuncs; -} - -hb_font_funcs_t * -hb_font_funcs_reference (hb_font_funcs_t *ffuncs) -{ - HB_OBJECT_DO_REFERENCE (ffuncs); -} - -unsigned int -hb_font_funcs_get_reference_count (hb_font_funcs_t *ffuncs) -{ - HB_OBJECT_DO_GET_REFERENCE_COUNT (ffuncs); -} - -void -hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) -{ - HB_OBJECT_DO_DESTROY (ffuncs); - - free (ffuncs); -} - -hb_font_funcs_t * -hb_font_funcs_copy (hb_font_funcs_t *other_ffuncs) -{ - hb_font_funcs_t *ffuncs; - - if (!HB_OBJECT_DO_CREATE (hb_font_funcs_t, ffuncs)) - return &_hb_font_funcs_nil; - - *ffuncs = *other_ffuncs; - - /* re-init refcount */ - HB_OBJECT_DO_INIT (ffuncs); - ffuncs->immutable = FALSE; - - return ffuncs; -} - -void -hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs) -{ - if (HB_OBJECT_IS_INERT (ffuncs)) - return; - - ffuncs->immutable = TRUE; -} - - - -/* - * hb_face_t - */ - -static hb_blob_t * -_hb_face_get_table_from_blob (hb_tag_t tag, void *user_data) -{ - hb_face_t *face = (hb_face_t *) user_data; - - const OpenTypeFontFile &ot_file = Sanitizer<OpenTypeFontFile>::lock_instance (face->blob); - const OpenTypeFontFace &ot_face = ot_file.get_face (face->index); - - const OpenTypeTable &table = ot_face.get_table_by_tag (tag); - - hb_blob_t *blob = hb_blob_create_sub_blob (face->blob, table.offset, table.length); - - hb_blob_unlock (face->blob); - - return blob; -} - -static hb_face_t _hb_face_nil = { - HB_REFERENCE_COUNT_INVALID, /* ref_count */ - - NULL, /* blob */ - 0, /* index */ - - NULL, /* get_table */ - NULL, /* destroy */ - NULL, /* user_data */ - - &_hb_unicode_funcs_nil, /* unicode */ - - {} /* ot_layout */ -}; - -hb_face_t * -hb_face_create_for_tables (hb_get_table_func_t get_table, - hb_destroy_func_t destroy, - void *user_data) -{ - hb_face_t *face; - - if (!HB_OBJECT_DO_CREATE (hb_face_t, face)) { - if (destroy) - destroy (user_data); - return &_hb_face_nil; - } - - face->get_table = get_table; - face->destroy = destroy; - face->user_data = user_data; - - _hb_ot_layout_init (face); - - return face; -} - -hb_face_t * -hb_face_create_for_data (hb_blob_t *blob, - unsigned int index) -{ - hb_face_t *face; - - if (!HB_OBJECT_DO_CREATE (hb_face_t, face)) - return &_hb_face_nil; - - face->blob = Sanitizer<OpenTypeFontFile>::sanitize (hb_blob_reference (blob)); - face->index = index; - face->get_table = _hb_face_get_table_from_blob; - face->user_data = face; - - _hb_ot_layout_init (face); - - return face; -} - -hb_face_t * -hb_face_reference (hb_face_t *face) -{ - HB_OBJECT_DO_REFERENCE (face); -} - -unsigned int -hb_face_get_reference_count (hb_face_t *face) -{ - HB_OBJECT_DO_GET_REFERENCE_COUNT (face); -} - -void -hb_face_destroy (hb_face_t *face) -{ - HB_OBJECT_DO_DESTROY (face); - - _hb_ot_layout_fini (face); - - hb_blob_destroy (face->blob); - - if (face->destroy) - face->destroy (face->user_data); - - hb_unicode_funcs_destroy (face->unicode); - - free (face); -} - -void -hb_face_set_unicode_funcs (hb_face_t *face, - hb_unicode_funcs_t *unicode) -{ - if (HB_OBJECT_IS_INERT (face)) - return; - - hb_unicode_funcs_reference (unicode); - hb_unicode_funcs_destroy (face->unicode); - face->unicode = unicode; -} - -hb_blob_t * -hb_face_get_table (hb_face_t *face, - hb_tag_t tag) -{ - if (HB_UNLIKELY (!face || !face->get_table)) - return hb_blob_create_empty (); - - return face->get_table (tag, face->user_data); -} - - -/* - * hb_font_t - */ - -static hb_font_t _hb_font_nil = { - HB_REFERENCE_COUNT_INVALID, /* ref_count */ - - 0, /* x_scale */ - 0, /* y_scale */ - - 0, /* x_ppem */ - 0, /* y_ppem */ - - NULL /* klass */ -}; - -hb_font_t * -hb_font_create (void) -{ - hb_font_t *font; - - if (!HB_OBJECT_DO_CREATE (hb_font_t, font)) - return &_hb_font_nil; - - return font; -} - -hb_font_t * -hb_font_reference (hb_font_t *font) -{ - HB_OBJECT_DO_REFERENCE (font); -} - -unsigned int -hb_font_get_reference_count (hb_font_t *font) -{ - HB_OBJECT_DO_GET_REFERENCE_COUNT (font); -} - -void -hb_font_destroy (hb_font_t *font) -{ - HB_OBJECT_DO_DESTROY (font); - - hb_font_funcs_destroy (font->klass); - - free (font); -} - -void -hb_font_set_funcs (hb_font_t *font, - hb_font_funcs_t *klass) -{ - if (HB_OBJECT_IS_INERT (font)) - return; - - hb_font_funcs_reference (klass); - hb_font_funcs_destroy (font->klass); - font->klass = klass; -} - -void -hb_font_set_scale (hb_font_t *font, - hb_16dot16_t x_scale, - hb_16dot16_t y_scale) -{ - if (HB_OBJECT_IS_INERT (font)) - return; - - font->x_scale = x_scale; - font->y_scale = y_scale; -} - -void -hb_font_set_ppem (hb_font_t *font, - unsigned int x_ppem, - unsigned int y_ppem) -{ - if (HB_OBJECT_IS_INERT (font)) - return; - - font->x_ppem = x_ppem; - font->y_ppem = y_ppem; -} - |