1 /**
2 * @file lv_calendar_chinese.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_calendar_private.h"
10 #if LV_USE_CALENDAR && LV_USE_CALENDAR_CHINESE
11
12 /*********************
13 * DEFINES
14 *********************/
15
16 /**********************
17 * TYPEDEFS
18 **********************/
19
20 typedef struct {
21 const char festival_name[20];
22 uint8_t month;
23 uint8_t day;
24 } lv_calendar_festival_t;
25
26 /**********************
27 * STATIC PROTOTYPES
28 **********************/
29
30 /**********************
31 * STATIC VARIABLES
32 **********************/
33
34 static const uint32_t calendar_chinese_table[199] = {/*1901-2099*/
35 0x04AE53, 0x0A5748, 0x5526BD, 0x0D2650, 0x0D9544, 0x46AAB9, 0x056A4D, 0x09AD42, 0x24AEB6, 0x04AE4A, /*1901-1910*/
36 0x6A4DBE, 0x0A4D52, 0x0D2546, 0x5D52BA, 0x0B544E, 0x0D6A43, 0x296D37, 0x095B4B, 0x749BC1, 0x049754, /*1911-1920*/
37 0x0A4B48, 0x5B25BC, 0x06A550, 0x06D445, 0x4ADAB8, 0x02B64D, 0x095742, 0x2497B7, 0x04974A, 0x664B3E, /*1921-1930*/
38 0x0D4A51, 0x0EA546, 0x56D4BA, 0x05AD4E, 0x02B644, 0x393738, 0x092E4B, 0x7C96BF, 0x0C9553, 0x0D4A48, /*1931-1940*/
39 0x6DA53B, 0x0B554F, 0x056A45, 0x4AADB9, 0x025D4D, 0x092D42, 0x2C95B6, 0x0A954A, 0x7B4ABD, 0x06CA51, /*1941-1950*/
40 0x0B5546, 0x555ABB, 0x04DA4E, 0x0A5B43, 0x352BB8, 0x052B4C, 0x8A953F, 0x0E9552, 0x06AA48, 0x6AD53C, /*1951-1960*/
41 0x0AB54F, 0x04B645, 0x4A5739, 0x0A574D, 0x052642, 0x3E9335, 0x0D9549, 0x75AABE, 0x056A51, 0x096D46, /*1961-1970*/
42 0x54AEBB, 0x04AD4F, 0x0A4D43, 0x4D26B7, 0x0D254B, 0x8D52BF, 0x0B5452, 0x0B6A47, 0x696D3C, 0x095B50, /*1971-1980*/
43 0x049B45, 0x4A4BB9, 0x0A4B4D, 0xAB25C2, 0x06A554, 0x06D449, 0x6ADA3D, 0x0AB651, 0x093746, 0x5497BB, /*1981-1990*/
44 0x04974F, 0x064B44, 0x36A537, 0x0EA54A, 0x86B2BF, 0x05AC53, 0x0AB647, 0x5936BC, 0x092E50, 0x0C9645, /*1991-2000*/
45 0x4D4AB8, 0x0D4A4C, 0x0DA541, 0x25AAB6, 0x056A49, 0x7AADBD, 0x025D52, 0x092D47, 0x5C95BA, 0x0A954E, /*2001-2010*/
46 0x0B4A43, 0x4B5537, 0x0AD54A, 0x955ABF, 0x04BA53, 0x0A5B48, 0x652BBC, 0x052B50, 0x0A9345, 0x474AB9, /*2011-2020*/
47 0x06AA4C, 0x0AD541, 0x24DAB6, 0x04B64A, 0x69573D, 0x0A4E51, 0x0D2646, 0x5E933A, 0x0D534D, 0x05AA43, /*2021-2030*/
48 0x36B537, 0x096D4B, 0xB4AEBF, 0x04AD53, 0x0A4D48, 0x6D25BC, 0x0D254F, 0x0D5244, 0x5DAA38, 0x0B5A4C, /*2031-2040*/
49 0x056D41, 0x24ADB6, 0x049B4A, 0x7A4BBE, 0x0A4B51, 0x0AA546, 0x5B52BA, 0x06D24E, 0x0ADA42, 0x355B37, /*2041-2050*/
50 0x09374B, 0x8497C1, 0x049753, 0x064B48, 0x66A53C, 0x0EA54F, 0x06B244, 0x4AB638, 0x0AAE4C, 0x092E42, /*2051-2060*/
51 0x3C9735, 0x0C9649, 0x7D4ABD, 0x0D4A51, 0x0DA545, 0x55AABA, 0x056A4E, 0x0A6D43, 0x452EB7, 0x052D4B, /*2061-2070*/
52 0x8A95BF, 0x0A9553, 0x0B4A47, 0x6B553B, 0x0AD54F, 0x055A45, 0x4A5D38, 0x0A5B4C, 0x052B42, 0x3A93B6, /*2071-2080*/
53 0x069349, 0x7729BD, 0x06AA51, 0x0AD546, 0x54DABA, 0x04B64E, 0x0A5743, 0x452738, 0x0D264A, 0x8E933E, /*2081-2090*/
54 0x0D5252, 0x0DAA47, 0x66B53B, 0x056D4F, 0x04AE45, 0x4A4EB9, 0x0A4D4C, 0x0D1541, 0x2D92B5 /*2091-2099*/
55 };
56
57 static const uint16_t month_total_day[13] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
58
59 static const char * chinese_calendar_month_name[] = {"正月", "二月", "三月", "四月", "五月", "六月",
60 "七月", "八月", "九月", "十月", "十一月", "腊月"
61 };
62
63 static const char * chinese_calendar_leep_month_name[] = {"闰正月", "闰二月", "闰三月", "闰四月", "闰五月", "闰六月",
64 "闰七月", "闰八月", "闰九月", "闰十月", "闰十一月", "闰腊月"
65 };
66
67 static const char * chinese_calendar_day_name[] = {"初一", "初二", "初三", "初四", "初五",
68 "初六", "初七", "初八", "初九", "初十",
69 "十一", "十二", "十三", "十四", "十五",
70 "十六", "十七", "十八", "十九", "二十",
71 "廿一", "廿二", "廿三", "廿四", "廿五",
72 "廿六", "廿七", "廿八", "廿九", "三十"
73 };
74
75 static const lv_calendar_festival_t festivals_base_chinese[] = {
76 {"春节", 1, 1},
77 {"元宵节", 1, 15},
78 {"端午节", 5, 5},
79 {"七夕节", 7, 7},
80 {"中元节", 7, 15},
81 {"中秋节", 8, 15},
82 {"重阳节", 9, 9},
83 {"腊八节", 12, 8},
84 {"除夕", 12, 29},/* To determine whether it is 12.29 or 12.30. */
85 {"除夕", 12, 30},/* To determine whether it is 12.29 or 12.30. */
86 };
87
88 static const lv_calendar_festival_t festivals_base_gregorian[] = {
89 {"元旦", 1, 1},
90 {"情人节", 2, 14},
91 {"妇女节", 3, 8},
92 {"植树节", 3, 12},
93 {"消费节", 3, 15},
94 {"愚人节", 4, 1},
95 {"劳动节", 5, 1},
96 {"青年节", 5, 4},
97 {"儿童节", 6, 1},
98 {"建党节", 7, 1},
99 {"建军节", 8, 1},
100 {"教师节", 9, 10},
101 {"国庆节", 10, 1},
102 {"万圣节", 10, 31},
103 {"平安夜", 12, 24},
104 {"圣诞节", 12, 25},
105 };
106
107 /**********************
108 * MACROS
109 **********************/
110
111 /**********************
112 * GLOBAL FUNCTIONS
113 **********************/
114
lv_calendar_set_chinese_mode(lv_obj_t * obj,bool en)115 void lv_calendar_set_chinese_mode(lv_obj_t * obj, bool en)
116 {
117 lv_calendar_t * calendar = (lv_calendar_t *)obj;
118 calendar->use_chinese_calendar = en;
119 lv_calendar_set_month_shown(obj, calendar->today.year, calendar->today.month);
120 }
121
lv_calendar_get_day_name(lv_calendar_date_t * gregorian)122 const char * lv_calendar_get_day_name(lv_calendar_date_t * gregorian)
123 {
124 uint16_t i, len;
125 lv_calendar_chinese_t chinese_calendar;
126 lv_calendar_gregorian_to_chinese(gregorian, &chinese_calendar);
127
128 if(gregorian->year > 2099 || gregorian->year < 1901)
129 return NULL;
130
131 len = sizeof(festivals_base_chinese) / sizeof(lv_calendar_festival_t);
132 for(i = 0; i < len; i++) {
133 if((chinese_calendar.today.month == festivals_base_chinese[i].month) &&
134 (chinese_calendar.today.day == festivals_base_chinese[i].day) &&
135 chinese_calendar.leep_month == false) {
136 if(chinese_calendar.today.month == 12 && chinese_calendar.today.day == 29) {
137 if((calendar_chinese_table[chinese_calendar.today.year - 1901] & 0xf00000) != 0) {
138 if((calendar_chinese_table[chinese_calendar.today.year - 1901] & 0x000080) == 0) {
139 return festivals_base_chinese[i].festival_name;
140 }
141 }
142 else {
143 if((calendar_chinese_table[chinese_calendar.today.year - 1901] & 0x000100) == 0) {
144 return festivals_base_chinese[i].festival_name;
145 }
146 }
147 }
148 else {
149 return festivals_base_chinese[i].festival_name;
150 }
151 }
152 }
153
154 len = sizeof(festivals_base_gregorian) / sizeof(lv_calendar_festival_t);
155 for(i = 0; i < len; i++) {
156 if((gregorian->month == festivals_base_gregorian[i].month) &&
157 (gregorian->day == festivals_base_gregorian[i].day))
158 return festivals_base_gregorian[i].festival_name;
159 }
160
161 if(chinese_calendar.today.day == 1) {
162 if(chinese_calendar.leep_month == false)
163 return chinese_calendar_month_name[chinese_calendar.today.month - 1];
164 else {
165 return chinese_calendar_leep_month_name[chinese_calendar.today.month - 1];
166 }
167 }
168
169 return (char *)chinese_calendar_day_name[chinese_calendar.today.day - 1];
170 }
171
lv_calendar_gregorian_to_chinese(lv_calendar_date_t * gregorian_time,lv_calendar_chinese_t * chinese_time)172 void lv_calendar_gregorian_to_chinese(lv_calendar_date_t * gregorian_time, lv_calendar_chinese_t * chinese_time)
173 {
174 uint16_t year = gregorian_time->year;
175 uint8_t month = gregorian_time->month;
176 uint8_t day = gregorian_time->day;
177
178 /*Record the number of days between the Spring Festival
179 and the New Year's Day of that year.*/
180 uint16_t by_spring;
181
182 /*Record the number of days from the gregorian calendar
183 to the New Year's Day of that year.*/
184 uint16_t by_gregorian;
185
186 /*Record the number of days in that month*/
187 uint8_t days_per_month;
188
189 /*Record from which month the calculation starts.*/
190 uint8_t index;
191
192 bool leep_month;
193
194 if(year < 1901 || year > 2099) {
195 chinese_time->leep_month = 0;
196 chinese_time->today.year = 2000;
197 chinese_time->today.month = 1;
198 chinese_time->today.day = 1;
199 return;
200 }
201
202 if(((calendar_chinese_table[year - 1901] & 0x0060) >> 5) == 1)
203 by_spring = (calendar_chinese_table[year - 1901] & 0x001F) - 1;
204 else
205 by_spring = (calendar_chinese_table[year - 1901] & 0x001F) - 1 + 31;
206
207 by_gregorian = month_total_day[month - 1] + day - 1;
208
209 if((!(year % 4)) && (month > 2))
210 by_gregorian++;
211
212 if(by_gregorian >= by_spring) {/*Gregorian calendar days after the Spring Festival*/
213 by_gregorian -= by_spring;
214 month = 1;
215 index = 1;
216 leep_month = false;
217
218 if((calendar_chinese_table[year - 1901] & (0x80000 >> (index - 1))) == 0)
219 days_per_month = 29;
220 else
221 days_per_month = 30;
222
223 while(by_gregorian >= days_per_month) {
224 by_gregorian -= days_per_month;
225 index++;
226
227 if(month == ((calendar_chinese_table[year - 1901] & 0xF00000) >> 20)) {
228 leep_month = !leep_month;
229 if(leep_month == false)
230 month++;
231 }
232 else
233 month++;
234
235 if((calendar_chinese_table[year - 1901] & (0x80000 >> (index - 1))) == 0)
236 days_per_month = 29;
237 else
238 days_per_month = 30;
239 }
240 day = by_gregorian + 1;
241 }
242 else {/*Solar day before the Spring Festival*/
243 by_spring -= by_gregorian;
244 year--;
245 month = 12;
246 if(((calendar_chinese_table[year - 1901] & 0xF00000) >> 20) == 0)
247 index = 12;
248 else
249 index = 13;
250 leep_month = false;
251
252 if((calendar_chinese_table[year - 1901] & (0x80000 >> (index - 1))) == 0)
253 days_per_month = 29;
254 else
255 days_per_month = 30;
256
257 while(by_spring > days_per_month) {
258 by_spring -= days_per_month;
259 index--;
260
261 if(leep_month == false)
262 month--;
263
264 if(month == ((calendar_chinese_table[year - 1901] & 0xF00000) >> 20))
265 leep_month = !leep_month;
266
267 if((calendar_chinese_table[year - 1901] & (0x80000 >> (index - 1))) == 0)
268 days_per_month = 29;
269 else
270 days_per_month = 30;
271 }
272
273 day = days_per_month - by_spring + 1;
274 }
275 chinese_time->today.day = day;
276 chinese_time->today.month = month;
277 chinese_time->today.year = year;
278 chinese_time->leep_month = leep_month;
279 }
280
281 /**********************
282 * STATIC FUNCTIONS
283 **********************/
284
285 #endif /*LV_USE_CALENDAR_CHINESE*/
286
