Behdad Esfahbod
parent
35a7383c61
commit
c62b503770
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@ -14,6 +14,8 @@ HBSOURCES = \
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hb-blob.c \
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hb-buffer.c \
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hb-buffer-private.h \
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hb-font.c \
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hb-font-private.h \
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hb-private.h \
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hb-ot-layout.cc \
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hb-ot-layout-common-private.h \
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@ -30,6 +32,7 @@ HBHEADERS = \
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hb-blob.h \
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hb-buffer.h \
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hb-common.h \
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hb-font.h \
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hb-ot-layout.h \
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$(NULL)
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@ -76,7 +76,7 @@ hb_blob_create (const char *data,
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return &_hb_blob_nil;
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}
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HB_REFERENCE_COUNT_DO_CREATE (blob);
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HB_OBJECT_DO_CREATE (blob);
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blob->data = data;
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blob->len = len;
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@ -96,13 +96,13 @@ hb_blob_create (const char *data,
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hb_blob_t *
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hb_blob_reference (hb_blob_t *blob)
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{
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HB_REFERENCE_COUNT_DO_REFERENCE (blob);
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HB_OBJECT_DO_REFERENCE (blob);
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}
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void
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hb_blob_destroy (hb_blob_t *blob)
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{
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HB_REFERENCE_COUNT_DO_DESTROY (blob);
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HB_OBJECT_DO_DESTROY (blob);
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_hb_blob_destroy_user_data (blob);
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@ -0,0 +1,108 @@
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/*
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* Copyright (C) 2009 Red Hat, Inc.
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*
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* This is part of HarfBuzz, an OpenType Layout engine library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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*/
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#ifndef HB_FONT_PRIVATE_H
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#define HB_FONT_PRIVATE_H
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#include "hb-private.h"
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#include "hb-font.h"
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#include "hb-refcount-private.h"
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HB_BEGIN_DECLS
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/*
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* hb_font_callbacks_t
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*/
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struct _hb_font_callbacks_t {
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hb_reference_count_t ref_count;
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/*
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hb_font_get_glyph_func_t glyph_func;
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hb_font_get_contour_point_func_t contour_point_func;
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hb_font_get_glyph_metrics_func_t glyph_metrics_func;
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hb_font_get_kerning_func_t kerning_func;
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*/
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};
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/*
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* hb_unicode_callbacks_t
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*/
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struct _hb_unicode_callbacks_t {
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hb_reference_count_t ref_count;
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/*
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hb_unicode_get_general_category_func_t general_category_func);
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hb_unicode_get_combining_class_func_t combining_class_func);
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hb_unicode_get_mirroring_char_func_t mirroring_char_func);
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hb_unicode_get_script_func_t script_func);
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hb_unicode_get_eastasian_width_func_t eastasian_width_func);
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*/
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};
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/*
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* hb_face_t
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*/
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struct _hb_face_t {
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hb_reference_count_t ref_count;
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hb_blob_t *blob;
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unsigned int index;
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hb_get_table_func_t get_table;
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hb_destroy_func_t destroy;
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void *user_data;
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hb_font_callbacks_t *fcallbacks;
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hb_unicode_callbacks_t *ucallbacks;
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};
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/*
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* hb_font_t
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*/
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struct _hb_font_t {
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hb_reference_count_t ref_count;
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hb_face_t *face;
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hb_16dot16_t x_scale;
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hb_16dot16_t y_scale;
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unsigned int x_ppem;
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unsigned int y_ppem;
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};
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HB_END_DECLS
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#endif /* HB_FONT_PRIVATE_H */
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@ -0,0 +1,331 @@
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/*
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* Copyright (C) 2009 Red Hat, Inc.
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*
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* This is part of HarfBuzz, an OpenType Layout engine library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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*/
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#include "hb-private.h"
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#include "hb-font-private.h"
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#include "hb-blob.h"
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/*
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* hb_font_callbacks_t
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*/
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static hb_font_callbacks_t _hb_font_callbacks_nil = {
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HB_REFERENCE_COUNT_INVALID /* ref_count */
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/*
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hb_font_get_glyph_func_t glyph_func;
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hb_font_get_contour_point_func_t contour_point_func;
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hb_font_get_glyph_metrics_func_t glyph_metrics_func;
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hb_font_get_kerning_func_t kerning_func;
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*/
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};
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hb_font_callbacks_t *
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hb_font_callbacks_create (void)
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{
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hb_font_callbacks_t *fcallbacks;
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fcallbacks = calloc (1, sizeof (hb_font_callbacks_t));
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if (!fcallbacks)
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return &_hb_font_callbacks_nil;
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HB_OBJECT_DO_CREATE (fcallbacks);
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return fcallbacks;
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}
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hb_font_callbacks_t *
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hb_font_callbacks_reference (hb_font_callbacks_t *fcallbacks)
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{
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HB_OBJECT_DO_REFERENCE (fcallbacks);
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}
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void
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hb_font_callbacks_destroy (hb_font_callbacks_t *fcallbacks)
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{
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HB_OBJECT_DO_DESTROY (fcallbacks);
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free (fcallbacks);
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}
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hb_font_callbacks_t *
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hb_font_callbacks_duplicate (hb_font_callbacks_t *other_fcallbacks)
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{
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hb_font_callbacks_t *fcallbacks;
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fcallbacks = calloc (1, sizeof (hb_font_callbacks_t));
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if (!fcallbacks)
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return &_hb_font_callbacks_nil;
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*fcallbacks = *other_fcallbacks;
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HB_OBJECT_DO_CREATE (fcallbacks);
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return fcallbacks;
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}
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/*
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* hb_unicode_callbacks_t
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*/
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static hb_unicode_callbacks_t _hb_unicode_callbacks_nil = {
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HB_REFERENCE_COUNT_INVALID /* ref_count */
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/*
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hb_unicode_get_general_category_func_t general_category_func);
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hb_unicode_get_combining_class_func_t combining_class_func);
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hb_unicode_get_mirroring_char_func_t mirroring_char_func);
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hb_unicode_get_script_func_t script_func);
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hb_unicode_get_eastasian_width_func_t eastasian_width_func);
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*/
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};
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hb_unicode_callbacks_t *
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hb_unicode_callbacks_create (void)
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{
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hb_unicode_callbacks_t *ucallbacks;
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ucallbacks = calloc (1, sizeof (hb_unicode_callbacks_t));
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if (!ucallbacks)
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return &_hb_unicode_callbacks_nil;
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HB_OBJECT_DO_CREATE (ucallbacks);
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return ucallbacks;
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}
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hb_unicode_callbacks_t *
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hb_unicode_callbacks_reference (hb_unicode_callbacks_t *ucallbacks)
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{
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HB_OBJECT_DO_REFERENCE (ucallbacks);
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}
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void
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hb_unicode_callbacks_destroy (hb_unicode_callbacks_t *ucallbacks)
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{
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HB_OBJECT_DO_DESTROY (ucallbacks);
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free (ucallbacks);
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}
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hb_unicode_callbacks_t *
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hb_unicode_callbacks_duplicate (hb_unicode_callbacks_t *other_ucallbacks)
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{
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hb_unicode_callbacks_t *ucallbacks;
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ucallbacks = calloc (1, sizeof (hb_unicode_callbacks_t));
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if (!ucallbacks)
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return &_hb_unicode_callbacks_nil;
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*ucallbacks = *other_ucallbacks;
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HB_OBJECT_DO_CREATE (ucallbacks);
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return ucallbacks;
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}
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/*
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* hb_face_t
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*/
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static hb_face_t _hb_face_nil = {
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HB_REFERENCE_COUNT_INVALID, /* ref_count */
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NULL, /* blob */
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0, /* index */
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NULL, /* get_table */
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NULL, /* destroy */
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NULL, /* user_data */
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NULL, /* fcallbacks */
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NULL /* ucallbacks */
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};
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hb_face_t *
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hb_face_create_for_data (hb_blob_t *blob,
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unsigned int index)
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{
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hb_face_t *face;
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face = calloc (1, sizeof (hb_face_t));
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if (!face)
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return &_hb_face_nil;
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HB_OBJECT_DO_CREATE (face);
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face->blob = hb_blob_reference (blob);
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face->index = index;
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return face;
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}
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hb_face_t *
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hb_face_create_for_tables (hb_get_table_func_t get_table,
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hb_destroy_func_t destroy,
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void *user_data)
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{
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hb_face_t *face;
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face = calloc (1, sizeof (hb_face_t));
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if (!face) {
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if (destroy)
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destroy (user_data);
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return &_hb_face_nil;
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}
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HB_OBJECT_DO_CREATE (face);
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face->get_table = get_table;
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face->destroy = destroy;
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face->user_data = user_data;
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return face;
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}
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hb_face_t *
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hb_face_reference (hb_face_t *face)
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{
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HB_OBJECT_DO_REFERENCE (face);
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}
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void
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hb_face_destroy (hb_face_t *face)
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{
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HB_OBJECT_DO_DESTROY (face);
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hb_blob_destroy (face->blob);
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if (face->destroy)
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face->destroy (face->user_data);
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hb_font_callbacks_destroy (face->fcallbacks);
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hb_unicode_callbacks_destroy (face->ucallbacks);
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free (face);
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}
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void
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hb_face_set_font_callbacks (hb_face_t *face,
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hb_font_callbacks_t *fcallbacks)
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{
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if (HB_OBJECT_IS_INERT (face))
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return;
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hb_font_callbacks_reference (fcallbacks);
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hb_font_callbacks_destroy (face->fcallbacks);
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face->fcallbacks = fcallbacks;
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}
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void
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hb_face_set_unicode_callbacks (hb_face_t *face,
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hb_unicode_callbacks_t *ucallbacks)
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{
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if (HB_OBJECT_IS_INERT (face))
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return;
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hb_unicode_callbacks_reference (ucallbacks);
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hb_unicode_callbacks_destroy (face->ucallbacks);
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face->ucallbacks = ucallbacks;
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}
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/*
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* hb_font_t
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*/
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static hb_font_t _hb_font_nil = {
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HB_REFERENCE_COUNT_INVALID, /* ref_count */
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NULL, /* face */
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0, /* x_scale */
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0, /* y_scale */
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0, /* x_ppem */
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0 /* y_ppem */
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};
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hb_font_t *
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hb_font_create (hb_face_t *face)
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{
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hb_font_t *font;
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font = calloc (1, sizeof (hb_font_t));
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if (!font)
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return &_hb_font_nil;
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HB_OBJECT_DO_CREATE (font);
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font->face = hb_face_reference (face);
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return font;
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}
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hb_font_t *
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hb_font_reference (hb_font_t *font)
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{
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HB_OBJECT_DO_REFERENCE (font);
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}
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void
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hb_font_destroy (hb_font_t *font)
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{
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HB_OBJECT_DO_DESTROY (font);
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hb_face_destroy (font->face);
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free (font);
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}
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void
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hb_font_set_scale (hb_font_t *font,
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hb_16dot16_t x_scale,
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hb_16dot16_t y_scale)
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{
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if (HB_OBJECT_IS_INERT (font))
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return;
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font->x_scale = x_scale;
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font->y_scale = y_scale;
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}
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void
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hb_font_set_ppem (hb_font_t *font,
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unsigned int x_ppem,
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unsigned int y_ppem)
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{
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if (HB_OBJECT_IS_INERT (font))
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return;
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font->x_ppem = x_ppem;
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font->y_ppem = y_ppem;
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}
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@ -0,0 +1,182 @@
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/*
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* 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.
|
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*
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* Red Hat Author(s): Behdad Esfahbod
|
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*/
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#ifndef HB_FONT_H
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#define HB_FONT_H
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#include "hb-common.h"
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HB_BEGIN_DECLS
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/*
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* hb_font_callbacks_t
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*/
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hb_font_callbacks_t *
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hb_font_callbacks_create (void);
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hb_font_callbacks_t *
|
||||
hb_font_callbacks_reference (hb_font_callbacks_t *fcallbacks);
|
||||
|
||||
void
|
||||
hb_font_callbacks_destroy (hb_font_callbacks_t *fcallbacks);
|
||||
|
||||
hb_font_callbacks_t *
|
||||
hb_font_callbacks_duplicate (hb_font_callbacks_t *fcallbacks);
|
||||
|
||||
/*
|
||||
|
||||
void
|
||||
hb_font_callbacks_set_glyph_func (hb_font_callbacks_t *fcallbacks,
|
||||
hb_font_get_glyph_func_t glyph_func);
|
||||
|
||||
void
|
||||
hb_font_callbacks_set_contour_point_func (hb_font_callbacks_t *fcallbacks,
|
||||
hb_font_get_contour_point_func_t contour_point_func);
|
||||
|
||||
void
|
||||
hb_font_callbacks_set_glyph_metrics_func (hb_font_callbacks_t *fcallbacks,
|
||||
hb_font_get_glyph_metrics_func_t glyph_metrics_func);
|
||||
|
||||
void
|
||||
hb_font_callbacks_set_kerning_func (hb_font_callbacks_t *fcallbacks,
|
||||
hb_font_get_kerning_func_t kerning_func);
|
||||
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* hb_unicode_callbacks_t
|
||||
*/
|
||||
|
||||
hb_unicode_callbacks_t *
|
||||
hb_unicode_callbacks_create (void);
|
||||
|
||||
hb_unicode_callbacks_t *
|
||||
hb_unicode_callbacks_reference (hb_unicode_callbacks_t *ucallbacks);
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_destroy (hb_unicode_callbacks_t *ucallbacks);
|
||||
|
||||
hb_unicode_callbacks_t *
|
||||
hb_unicode_callbacks_duplicate (hb_unicode_callbacks_t *ucallbacks);
|
||||
|
||||
/*
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_set_general_category_func (hb_unicode_callbacks_t *ucallbacks,
|
||||
hb_unicode_get_general_category_func_t general_category_func);
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_set_combining_class_func (hb_unicode_callbacks_t *ucallbacks,
|
||||
hb_unicode_get_combining_class_func_t combining_class_func);
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_set_mirroring_char_func (hb_unicode_callbacks_t *ucallbacks,
|
||||
hb_unicode_get_mirroring_char_func_t mirroring_char_func);
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_set_script_func (hb_unicode_callbacks_t *ucallbacks,
|
||||
hb_unicode_get_script_func_t script_func);
|
||||
|
||||
void
|
||||
hb_unicode_callbacks_set_eastasian_width_func (hb_unicode_callbacks_t *ucallbacks,
|
||||
hb_unicode_get_eastasian_width_func_t eastasian_width_func);
|
||||
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* hb_face_t
|
||||
*/
|
||||
|
||||
hb_face_t *
|
||||
hb_face_create_for_data (hb_blob_t *blob,
|
||||
unsigned int index);
|
||||
|
||||
/* calls destory() when not needing user_data anymore */
|
||||
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 *
|
||||
hb_face_reference (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_destroy (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_font_callbacks (hb_face_t *face,
|
||||
hb_font_callbacks_t *fcallbacks);
|
||||
|
||||
void
|
||||
hb_face_set_unicode_callbacks (hb_face_t *face,
|
||||
hb_unicode_callbacks_t *ucallbacks);
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* hb_font_t
|
||||
*/
|
||||
|
||||
/* Fonts are very light-weight objects */
|
||||
|
||||
hb_font_t *
|
||||
hb_font_create (hb_face_t *face);
|
||||
|
||||
hb_font_t *
|
||||
hb_font_reference (hb_font_t *font);
|
||||
|
||||
void
|
||||
hb_font_destroy (hb_font_t *font);
|
||||
|
||||
/*
|
||||
* XXX
|
||||
* should we decompose this to units_per_EM and font-size?
|
||||
* units_per_EM setting then can go into the face, or better,
|
||||
* read from the 'head' table.
|
||||
*
|
||||
* Then we either need size+shape like freetype does, or a full
|
||||
* matrix.
|
||||
*/
|
||||
void
|
||||
hb_font_set_scale (hb_font_t *font,
|
||||
hb_16dot16_t x_scale,
|
||||
hb_16dot16_t y_scale);
|
||||
|
||||
/*
|
||||
* A zero value means "no hinting in that direction"
|
||||
*/
|
||||
void
|
||||
hb_font_set_ppem (hb_font_t *font,
|
||||
unsigned int x_ppem,
|
||||
unsigned int y_ppem);
|
||||
|
||||
|
||||
HB_END_DECLS
|
||||
|
||||
#endif /* HB_FONT_H */
|
||||
|
|
@ -54,25 +54,29 @@ typedef struct {
|
|||
#define HB_REFERENCE_COUNT_HAS_REFERENCE(RC) (HB_REFERENCE_COUNT_GET_VALUE (RC) > 0)
|
||||
|
||||
|
||||
|
||||
/* Helper macros */
|
||||
|
||||
#define HB_REFERENCE_COUNT_DO_CREATE(obj) \
|
||||
#define HB_OBJECT_IS_INERT(obj) \
|
||||
((obj) == NULL || HB_REFERENCE_COUNT_IS_INVALID ((obj)->ref_count))
|
||||
|
||||
#define HB_OBJECT_DO_CREATE(obj) \
|
||||
HB_STMT_START { \
|
||||
HB_REFERENCE_COUNT_INIT (obj->ref_count, 1); \
|
||||
} HB_STMT_END
|
||||
|
||||
#define HB_REFERENCE_COUNT_DO_REFERENCE(obj) \
|
||||
#define HB_OBJECT_DO_REFERENCE(obj) \
|
||||
HB_STMT_START { \
|
||||
if (obj == NULL || HB_REFERENCE_COUNT_IS_INVALID (obj->ref_count)) \
|
||||
if (HB_OBJECT_IS_INERT (obj)) \
|
||||
return obj; \
|
||||
assert (HB_REFERENCE_COUNT_HAS_REFERENCE (obj->ref_count)); \
|
||||
_hb_reference_count_inc (obj->ref_count); \
|
||||
return obj; \
|
||||
} HB_STMT_END
|
||||
|
||||
#define HB_REFERENCE_COUNT_DO_DESTROY(obj) \
|
||||
#define HB_OBJECT_DO_DESTROY(obj) \
|
||||
HB_STMT_START { \
|
||||
if (obj == NULL || HB_REFERENCE_COUNT_IS_INVALID (obj->ref_count)) \
|
||||
if (HB_OBJECT_IS_INERT (obj)) \
|
||||
return; \
|
||||
assert (HB_REFERENCE_COUNT_HAS_REFERENCE (obj->ref_count)); \
|
||||
if (!_hb_reference_count_dec_and_test (obj->ref_count)) \
|
||||
|
|
|
|||
Loading…
Reference in New Issue