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Diffstat (limited to '')
| -rw-r--r-- | gfx/harfbuzz/src/hb-shape-plan.h | 122 | ||||
| -rw-r--r-- | gfx/harfbuzz/src/hb-shape-plan.hh | 77 |
2 files changed, 199 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-shape-plan.h b/gfx/harfbuzz/src/hb-shape-plan.h new file mode 100644 index 0000000000..aaf5cf9c45 --- /dev/null +++ b/gfx/harfbuzz/src/hb-shape-plan.h @@ -0,0 +1,122 @@ +/* + * Copyright © 2012 Google, Inc. + * + * 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. + * + * Google Author(s): Behdad Esfahbod + */ + +#if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) +#error "Include <hb.h> instead." +#endif + +#ifndef HB_SHAPE_PLAN_H +#define HB_SHAPE_PLAN_H + +#include "hb-common.h" +#include "hb-font.h" + +HB_BEGIN_DECLS + +/** + * hb_shape_plan_t: + * + * Data type for holding a shaping plan. + * + * Shape plans contain information about how HarfBuzz will shape a + * particular text segment, based on the segment's properties and the + * capabilities in the font face in use. + * + * Shape plans can be queried about how shaping will perform, given a set + * of specific input parameters (script, language, direction, features, + * etc.). + * + **/ +typedef struct hb_shape_plan_t hb_shape_plan_t; + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_create (hb_face_t *face, + const hb_segment_properties_t *props, + const hb_feature_t *user_features, + unsigned int num_user_features, + const char * const *shaper_list); + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_create_cached (hb_face_t *face, + const hb_segment_properties_t *props, + const hb_feature_t *user_features, + unsigned int num_user_features, + const char * const *shaper_list); + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_create2 (hb_face_t *face, + const hb_segment_properties_t *props, + const hb_feature_t *user_features, + unsigned int num_user_features, + const int *coords, + unsigned int num_coords, + const char * const *shaper_list); + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_create_cached2 (hb_face_t *face, + const hb_segment_properties_t *props, + const hb_feature_t *user_features, + unsigned int num_user_features, + const int *coords, + unsigned int num_coords, + const char * const *shaper_list); + + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_get_empty (void); + +HB_EXTERN hb_shape_plan_t * +hb_shape_plan_reference (hb_shape_plan_t *shape_plan); + +HB_EXTERN void +hb_shape_plan_destroy (hb_shape_plan_t *shape_plan); + +HB_EXTERN hb_bool_t +hb_shape_plan_set_user_data (hb_shape_plan_t *shape_plan, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + +HB_EXTERN void * +hb_shape_plan_get_user_data (const hb_shape_plan_t *shape_plan, + hb_user_data_key_t *key); + + +HB_EXTERN hb_bool_t +hb_shape_plan_execute (hb_shape_plan_t *shape_plan, + hb_font_t *font, + hb_buffer_t *buffer, + const hb_feature_t *features, + unsigned int num_features); + +HB_EXTERN const char * +hb_shape_plan_get_shaper (hb_shape_plan_t *shape_plan); + + +HB_END_DECLS + +#endif /* HB_SHAPE_PLAN_H */ diff --git a/gfx/harfbuzz/src/hb-shape-plan.hh b/gfx/harfbuzz/src/hb-shape-plan.hh new file mode 100644 index 0000000000..6fc73939b3 --- /dev/null +++ b/gfx/harfbuzz/src/hb-shape-plan.hh @@ -0,0 +1,77 @@ +/* + * Copyright © 2012,2018 Google, Inc. + * + * 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. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_SHAPE_PLAN_HH +#define HB_SHAPE_PLAN_HH + +#include "hb.hh" +#include "hb-shaper.hh" +#include "hb-ot-shape.hh" + + +struct hb_shape_plan_key_t +{ + hb_segment_properties_t props; + + const hb_feature_t *user_features; + unsigned int num_user_features; + +#ifndef HB_NO_OT_SHAPE + hb_ot_shape_plan_key_t ot; +#endif + + hb_shape_func_t *shaper_func; + const char *shaper_name; + + HB_INTERNAL bool init (bool copy, + hb_face_t *face, + const hb_segment_properties_t *props, + const hb_feature_t *user_features, + unsigned int num_user_features, + const int *coords, + unsigned int num_coords, + const char * const *shaper_list); + + HB_INTERNAL void fini () { hb_free ((void *) user_features); user_features = nullptr; } + + HB_INTERNAL bool user_features_match (const hb_shape_plan_key_t *other); + + HB_INTERNAL bool equal (const hb_shape_plan_key_t *other); +}; + +struct hb_shape_plan_t +{ + ~hb_shape_plan_t () { key.fini (); } + hb_object_header_t header; + hb_face_t *face_unsafe; /* We don't carry a reference to face. */ + hb_shape_plan_key_t key; +#ifndef HB_NO_OT_SHAPE + hb_ot_shape_plan_t ot; +#endif +}; + + +#endif /* HB_SHAPE_PLAN_HH */ |