129
130 /* compose()
131 * Called during shape()'s normalization.
132 * May be NULL.
133 */
134 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
135 hb_codepoint_t a,
136 hb_codepoint_t b,
137 hb_codepoint_t *ab);
138
139 /* setup_masks()
140 * Called during shape().
141 * Shapers should use map to get feature masks and set on buffer.
142 * Shapers may NOT modify characters.
143 * May be NULL.
144 */
145 void (*setup_masks) (const hb_ot_shape_plan_t *plan,
146 hb_buffer_t *buffer,
147 hb_font_t *font);
148
149 hb_ot_shape_zero_width_marks_type_t zero_width_marks;
150
151 bool fallback_position;
152 };
153
154 #define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name;
155 HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS
156 #undef HB_COMPLEX_SHAPER_IMPLEMENT
157
158
159 static inline const hb_ot_complex_shaper_t *
160 hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
161 {
162 switch ((hb_tag_t) planner->props.script)
163 {
164 default:
165 return &_hb_ot_complex_shaper_default;
166
167
168 /* Unicode-1.1 additions */
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129
130 /* compose()
131 * Called during shape()'s normalization.
132 * May be NULL.
133 */
134 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
135 hb_codepoint_t a,
136 hb_codepoint_t b,
137 hb_codepoint_t *ab);
138
139 /* setup_masks()
140 * Called during shape().
141 * Shapers should use map to get feature masks and set on buffer.
142 * Shapers may NOT modify characters.
143 * May be NULL.
144 */
145 void (*setup_masks) (const hb_ot_shape_plan_t *plan,
146 hb_buffer_t *buffer,
147 hb_font_t *font);
148
149 /* disable_otl()
150 * Called during shape().
151 * If set and returns true, GDEF/GSUB/GPOS of the font are ignored
152 * and fallback operations used.
153 * May be NULL.
154 */
155 bool (*disable_otl) (const hb_ot_shape_plan_t *plan);
156
157 hb_ot_shape_zero_width_marks_type_t zero_width_marks;
158
159 bool fallback_position;
160 };
161
162 #define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name;
163 HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS
164 #undef HB_COMPLEX_SHAPER_IMPLEMENT
165
166
167 static inline const hb_ot_complex_shaper_t *
168 hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
169 {
170 switch ((hb_tag_t) planner->props.script)
171 {
172 default:
173 return &_hb_ot_complex_shaper_default;
174
175
176 /* Unicode-1.1 additions */
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