Index: third_party/harfbuzz-ng/src/hb-ft.c |
diff --git a/third_party/harfbuzz-ng/src/hb-ft.c b/third_party/harfbuzz-ng/src/hb-ft.c |
deleted file mode 100644 |
index e696fe8242ad5503397ccc9c396adbf27b79d0a9..0000000000000000000000000000000000000000 |
--- a/third_party/harfbuzz-ng/src/hb-ft.c |
+++ /dev/null |
@@ -1,262 +0,0 @@ |
-/* |
- * Copyright (C) 2009 Red Hat, Inc. |
- * Copyright (C) 2009 Keith Stribley |
- * |
- * 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 |
- * 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-ft.h" |
- |
-#include "hb-font-private.h" |
- |
-#include FT_TRUETYPE_TABLES_H |
- |
-HB_BEGIN_DECLS |
- |
- |
-static hb_codepoint_t |
-hb_ft_get_glyph (hb_font_t *font HB_UNUSED, |
- hb_face_t *face HB_UNUSED, |
- const void *user_data, |
- hb_codepoint_t unicode, |
- hb_codepoint_t variation_selector) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- |
-#ifdef HAVE_FT_FACE_GETCHARVARIANTINDEX |
- if (unlikely (variation_selector)) { |
- hb_codepoint_t glyph = FT_Face_GetCharVariantIndex (ft_face, unicode, variation_selector); |
- if (glyph) |
- return glyph; |
- } |
-#endif |
- |
- return FT_Get_Char_Index (ft_face, unicode); |
-} |
- |
-static void |
-hb_ft_get_glyph_advance (hb_font_t *font HB_UNUSED, |
- hb_face_t *face HB_UNUSED, |
- const void *user_data, |
- hb_codepoint_t glyph, |
- hb_position_t *x_advance, |
- hb_position_t *y_advance) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- int load_flags = FT_LOAD_DEFAULT; |
- |
- /* TODO: load_flags, embolden, etc */ |
- |
- if (likely (!FT_Load_Glyph (ft_face, glyph, load_flags))) |
- { |
- *x_advance = ft_face->glyph->advance.x; |
- *y_advance = ft_face->glyph->advance.y; |
- } |
-} |
- |
-static void |
-hb_ft_get_glyph_extents (hb_font_t *font HB_UNUSED, |
- hb_face_t *face HB_UNUSED, |
- const void *user_data, |
- hb_codepoint_t glyph, |
- hb_glyph_extents_t *extents) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- int load_flags = FT_LOAD_DEFAULT; |
- |
- /* TODO: load_flags, embolden, etc */ |
- |
- if (likely (!FT_Load_Glyph (ft_face, glyph, load_flags))) |
- { |
- /* XXX: A few negations should be in order here, not sure. */ |
- extents->x_bearing = ft_face->glyph->metrics.horiBearingX; |
- extents->y_bearing = ft_face->glyph->metrics.horiBearingY; |
- extents->width = ft_face->glyph->metrics.width; |
- extents->height = ft_face->glyph->metrics.height; |
- } |
-} |
- |
-static hb_bool_t |
-hb_ft_get_contour_point (hb_font_t *font HB_UNUSED, |
- hb_face_t *face HB_UNUSED, |
- const void *user_data, |
- unsigned int point_index, |
- hb_codepoint_t glyph, |
- hb_position_t *x, |
- hb_position_t *y) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- int load_flags = FT_LOAD_DEFAULT; |
- |
- /* TODO: load_flags, embolden, etc */ |
- |
- if (unlikely (FT_Load_Glyph (ft_face, glyph, load_flags))) |
- return FALSE; |
- |
- if (unlikely (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)) |
- return FALSE; |
- |
- if (unlikely (point_index >= (unsigned int) ft_face->glyph->outline.n_points)) |
- return FALSE; |
- |
- *x = ft_face->glyph->outline.points[point_index].x; |
- *y = ft_face->glyph->outline.points[point_index].y; |
- |
- return TRUE; |
-} |
- |
-static hb_position_t |
-hb_ft_get_kerning (hb_font_t *font HB_UNUSED, |
- hb_face_t *face HB_UNUSED, |
- const void *user_data, |
- hb_codepoint_t first_glyph, |
- hb_codepoint_t second_glyph) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- FT_Vector kerning; |
- |
- /* TODO: Kern type? */ |
- if (FT_Get_Kerning (ft_face, first_glyph, second_glyph, FT_KERNING_DEFAULT, &kerning)) |
- return 0; |
- |
- return kerning.x; |
-} |
- |
-static hb_font_funcs_t ft_ffuncs = { |
- HB_REFERENCE_COUNT_INVALID, /* ref_count */ |
- TRUE, /* immutable */ |
- { |
- hb_ft_get_glyph, |
- hb_ft_get_glyph_advance, |
- hb_ft_get_glyph_extents, |
- hb_ft_get_contour_point, |
- hb_ft_get_kerning |
- } |
-}; |
- |
-hb_font_funcs_t * |
-hb_ft_get_font_funcs (void) |
-{ |
- return &ft_ffuncs; |
-} |
- |
- |
-static hb_blob_t * |
-get_table (hb_tag_t tag, void *user_data) |
-{ |
- FT_Face ft_face = (FT_Face) user_data; |
- FT_Byte *buffer; |
- FT_ULong length = 0; |
- FT_Error error; |
- |
- if (unlikely (tag == HB_TAG_NONE)) |
- return NULL; |
- |
- error = FT_Load_Sfnt_Table (ft_face, tag, 0, NULL, &length); |
- if (error) |
- return NULL; |
- |
- /* TODO Use FT_Memory? */ |
- buffer = (FT_Byte *) malloc (length); |
- if (buffer == NULL) |
- return NULL; |
- |
- error = FT_Load_Sfnt_Table (ft_face, tag, 0, buffer, &length); |
- if (error) |
- return NULL; |
- |
- return hb_blob_create ((const char *) buffer, length, |
- HB_MEMORY_MODE_WRITABLE, |
- free, buffer); |
-} |
- |
- |
-hb_face_t * |
-hb_ft_face_create (FT_Face ft_face, |
- hb_destroy_func_t destroy) |
-{ |
- hb_face_t *face; |
- |
- if (ft_face->stream->read == NULL) { |
- hb_blob_t *blob; |
- |
- blob = hb_blob_create ((const char *) ft_face->stream->base, |
- (unsigned int) ft_face->stream->size, |
- /* TODO: Check FT_FACE_FLAG_EXTERNAL_STREAM? */ |
- HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE, |
- destroy, ft_face); |
- face = hb_face_create_for_data (blob, ft_face->face_index); |
- hb_blob_destroy (blob); |
- } else { |
- face = hb_face_create_for_tables (get_table, destroy, ft_face); |
- } |
- |
- return face; |
-} |
- |
-static void |
-hb_ft_face_finalize (FT_Face ft_face) |
-{ |
- hb_face_destroy ((hb_face_t *) ft_face->generic.data); |
-} |
- |
-hb_face_t * |
-hb_ft_face_create_cached (FT_Face ft_face) |
-{ |
- if (unlikely (!ft_face->generic.data || ft_face->generic.finalizer != (FT_Generic_Finalizer) hb_ft_face_finalize)) |
- { |
- if (ft_face->generic.finalizer) |
- ft_face->generic.finalizer (ft_face); |
- |
- ft_face->generic.data = hb_ft_face_create (ft_face, NULL); |
- ft_face->generic.finalizer = (FT_Generic_Finalizer) hb_ft_face_finalize; |
- } |
- |
- return hb_face_reference ((hb_face_t *) ft_face->generic.data); |
-} |
- |
- |
-hb_font_t * |
-hb_ft_font_create (FT_Face ft_face, |
- hb_destroy_func_t destroy) |
-{ |
- hb_font_t *font; |
- |
- font = hb_font_create (); |
- hb_font_set_funcs (font, |
- hb_ft_get_font_funcs (), |
- destroy, ft_face); |
- hb_font_set_scale (font, |
- ((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM) >> 16, |
- ((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM) >> 16); |
- hb_font_set_ppem (font, |
- ft_face->size->metrics.x_ppem, |
- ft_face->size->metrics.y_ppem); |
- |
- return font; |
-} |
- |
- |
-HB_END_DECLS |