1 /**
2 * @file lv_font_manager_recycle.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9
10 #include "lv_font_manager_recycle.h"
11
12 #if LV_USE_FONT_MANAGER
13
14 #include "../../lvgl.h"
15
16 /*********************
17 * DEFINES
18 *********************/
19
20 /**********************
21 * TYPEDEFS
22 **********************/
23
24 struct _lv_font_manager_recycle_t {
25 lv_ll_t recycle_ll;
26 uint32_t max_size;
27 };
28
29 typedef struct {
30 lv_freetype_info_t ft_info;
31 char name[LV_FONT_MANAGER_NAME_MAX_LEN];
32 lv_font_t * font;
33 } lv_font_recycle_t;
34
35 /**********************
36 * STATIC PROTOTYPES
37 **********************/
38
39 static void lv_font_recycle_close(lv_font_manager_recycle_t * manager, lv_font_recycle_t * recycle);
40 static void lv_font_manager_recycle_remove_tail(lv_font_manager_recycle_t * manager);
41
42 /**********************
43 * STATIC VARIABLES
44 **********************/
45
46 /**********************
47 * MACROS
48 **********************/
49
50 /**********************
51 * GLOBAL FUNCTIONS
52 **********************/
53
lv_font_manager_recycle_create(uint32_t max_size)54 lv_font_manager_recycle_t * lv_font_manager_recycle_create(uint32_t max_size)
55 {
56 lv_font_manager_recycle_t * manager = lv_malloc_zeroed(sizeof(lv_font_manager_recycle_t));
57 LV_ASSERT_MALLOC(manager);
58 if(!manager) {
59 LV_LOG_ERROR("malloc failed for lv_font_manager_recycle_t");
60 return NULL;
61 }
62
63 lv_ll_init(&manager->recycle_ll, sizeof(lv_font_recycle_t));
64 manager->max_size = max_size;
65
66 LV_LOG_INFO("success");
67 return manager;
68 }
69
lv_font_manager_recycle_delete(lv_font_manager_recycle_t * manager)70 void lv_font_manager_recycle_delete(lv_font_manager_recycle_t * manager)
71 {
72 LV_ASSERT_NULL(manager);
73
74 lv_ll_t * recycle_ll = &manager->recycle_ll;
75
76 lv_font_recycle_t * recycle = lv_ll_get_head(recycle_ll);
77
78 /* clear all recycle */
79 while(recycle != NULL) {
80 lv_font_recycle_t * recycle_next = lv_ll_get_next(recycle_ll, recycle);
81 lv_font_recycle_close(manager, recycle);
82 recycle = recycle_next;
83 }
84
85 lv_free(manager);
86
87 LV_LOG_INFO("success");
88 }
89
lv_font_manager_recycle_get_reuse(lv_font_manager_recycle_t * manager,const lv_freetype_info_t * ft_info)90 lv_font_t * lv_font_manager_recycle_get_reuse(lv_font_manager_recycle_t * manager, const lv_freetype_info_t * ft_info)
91 {
92 LV_ASSERT_NULL(manager);
93 LV_ASSERT_NULL(ft_info);
94
95 lv_ll_t * recycle_ll = &manager->recycle_ll;
96
97 LV_LOG_INFO("font: %s(%d) searching...", ft_info->name, ft_info->size);
98
99 lv_font_recycle_t * recycle;
100 LV_LL_READ(recycle_ll, recycle) {
101 /* match font */
102 if(lv_freetype_info_is_equal(ft_info, &recycle->ft_info)) {
103 lv_font_t * font = recycle->font;
104 LV_LOG_INFO("found font: %p", (void *)font);
105
106 /* remove reused font */
107 lv_ll_remove(recycle_ll, recycle);
108 lv_free(recycle);
109 return font;
110 }
111 }
112
113 LV_LOG_INFO("NOT found");
114
115 return false;
116 }
117
lv_font_manager_recycle_set_reuse(lv_font_manager_recycle_t * manager,lv_font_t * font,const lv_freetype_info_t * ft_info)118 void lv_font_manager_recycle_set_reuse(lv_font_manager_recycle_t * manager, lv_font_t * font,
119 const lv_freetype_info_t * ft_info)
120 {
121 LV_ASSERT_NULL(manager);
122 LV_ASSERT_NULL(ft_info);
123
124 lv_ll_t * recycle_ll = &manager->recycle_ll;
125
126 /* check recycled size */
127 if(_lv_ll_get_len(recycle_ll) >= manager->max_size) {
128 LV_LOG_INFO("recycle full, remove tail font...");
129 lv_font_manager_recycle_remove_tail(manager);
130 }
131
132 /* record reuse font */
133 lv_font_recycle_t * recycle = lv_ll_ins_head(recycle_ll);
134 LV_ASSERT_MALLOC(recycle);
135 lv_memzero(recycle, sizeof(lv_font_recycle_t));
136
137 lv_strncpy(recycle->name, ft_info->name, sizeof(recycle->name));
138 recycle->name[sizeof(recycle->name) - 1] = '\0';
139
140 recycle->font = font;
141 recycle->ft_info = *ft_info;
142 recycle->ft_info.name = recycle->name;
143
144 LV_LOG_INFO("insert font: %s(%d) to reuse list", ft_info->name, ft_info->size);
145 }
146
147 /**********************
148 * STATIC FUNCTIONS
149 **********************/
150
lv_font_recycle_close(lv_font_manager_recycle_t * manager,lv_font_recycle_t * recycle)151 static void lv_font_recycle_close(lv_font_manager_recycle_t * manager, lv_font_recycle_t * recycle)
152 {
153 LV_ASSERT_NULL(manager);
154 LV_ASSERT_NULL(recycle);
155
156 LV_LOG_INFO("font: %s(%d) close", recycle->ft_info.name, recycle->ft_info.size);
157 lv_freetype_font_delete(recycle->font);
158
159 lv_ll_remove(&manager->recycle_ll, recycle);
160 lv_free(recycle);
161 }
162
lv_font_manager_recycle_remove_tail(lv_font_manager_recycle_t * manager)163 static void lv_font_manager_recycle_remove_tail(lv_font_manager_recycle_t * manager)
164 {
165 lv_font_recycle_t * tail = lv_ll_get_tail(&manager->recycle_ll);
166 LV_ASSERT_NULL(tail);
167 lv_font_recycle_close(manager, tail);
168 }
169
170 #endif /* LV_USE_FONT_MANAGER */
171
