91
92 /*
93 * hb_font_t
94 */
95
96 struct hb_font_t {
97 hb_object_header_t header;
98 ASSERT_POD ();
99
100 hb_bool_t immutable;
101
102 hb_font_t *parent;
103 hb_face_t *face;
104
105 int x_scale;
106 int y_scale;
107
108 unsigned int x_ppem;
109 unsigned int y_ppem;
110
111 /* Font variation coordinates. */
112 unsigned int num_coords;
113 int *coords;
114
115 hb_font_funcs_t *klass;
116 void *user_data;
117 hb_destroy_func_t destroy;
118
119 struct hb_shaper_data_t shaper_data;
120
121
122 /* Convert from font-space to user-space */
123 inline int dir_scale (hb_direction_t direction)
124 { return HB_DIRECTION_IS_VERTICAL(direction) ? y_scale : x_scale; }
125 inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, x_scale); }
126 inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, y_scale); }
127 inline hb_position_t em_scalef_x (float v) { return em_scalef (v, this->x_scale); }
128 inline hb_position_t em_scalef_y (float v) { return em_scalef (v, this->y_scale); }
129 inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
130 { return em_scale (v, dir_scale (direction)); }
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91
92 /*
93 * hb_font_t
94 */
95
96 struct hb_font_t {
97 hb_object_header_t header;
98 ASSERT_POD ();
99
100 hb_bool_t immutable;
101
102 hb_font_t *parent;
103 hb_face_t *face;
104
105 int x_scale;
106 int y_scale;
107
108 unsigned int x_ppem;
109 unsigned int y_ppem;
110
111 float ptem;
112
113 /* Font variation coordinates. */
114 unsigned int num_coords;
115 int *coords;
116
117 hb_font_funcs_t *klass;
118 void *user_data;
119 hb_destroy_func_t destroy;
120
121 struct hb_shaper_data_t shaper_data;
122
123
124 /* Convert from font-space to user-space */
125 inline int dir_scale (hb_direction_t direction)
126 { return HB_DIRECTION_IS_VERTICAL(direction) ? y_scale : x_scale; }
127 inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, x_scale); }
128 inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, y_scale); }
129 inline hb_position_t em_scalef_x (float v) { return em_scalef (v, this->x_scale); }
130 inline hb_position_t em_scalef_y (float v) { return em_scalef (v, this->y_scale); }
131 inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
132 { return em_scale (v, dir_scale (direction)); }
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