Atlas - testtime.c
Home / ext / SDL / test Lines: 1 | Size: 7328 bytes [Download] [Show on GitHub] [Search similar files] [Raw] [Raw (proxy)][FILE BEGIN]1/* 2 Copyright (C) 1997-2025 Sam Lantinga <[email protected]> 3 4 This software is provided 'as-is', without any express or implied 5 warranty. In no event will the authors be held liable for any damages 6 arising from the use of this software. 7 8 Permission is granted to anyone to use this software for any purpose, 9 including commercial applications, and to alter it and redistribute it 10 freely. 11*/ 12 13/* Test program to verify the SDL date/time APIs */ 14#include <SDL3/SDL.h> 15#include <SDL3/SDL_main.h> 16#include <SDL3/SDL_test.h> 17 18#define CAL_Y_OFF 100.0f 19#define CAL_X_OFF 19.0f 20#define CELL_WIDTH 86.0f 21#define CELL_HEIGHT 60.0f 22 23static int cal_year; 24static int cal_month; 25static SDL_TimeFormat time_format; 26static SDL_DateFormat date_format; 27 28static void RenderDateTime(SDL_Renderer *r) 29{ 30 const char *const WDAY[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; 31 const char *const MNAME[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", 32 "Aug", "Sep", "Oct", "Nov", "Dec" }; 33 const char *const TIMEPOST[] = { "", " AM", " PM" }; 34 35 int day, len; 36 const char *postfix = TIMEPOST[0]; 37 float x, y; 38 const float x_max = CAL_X_OFF + (CELL_WIDTH * 7); 39 const float y_max = CAL_Y_OFF + (CELL_HEIGHT * 6); 40 char str[256]; 41 char short_date[128]; 42 SDL_Time ticks; 43 SDL_DateTime dt; 44 45 SDL_SetRenderDrawColor(r, 0xFF, 0xFF, 0xFF, 0xFF); 46 47 /* Query the current time and print it. */ 48 SDL_GetCurrentTime(&ticks); 49 SDL_TimeToDateTime(ticks, &dt, false); 50 51 switch (date_format) { 52 case SDL_DATE_FORMAT_YYYYMMDD: 53 SDL_snprintf(short_date, sizeof(short_date), "%04d-%02d-%02d", dt.year, dt.month, dt.day); 54 break; 55 case SDL_DATE_FORMAT_DDMMYYYY: 56 SDL_snprintf(short_date, sizeof(short_date), "%02d.%02d.%04d", dt.day, dt.month, dt.year); 57 break; 58 case SDL_DATE_FORMAT_MMDDYYYY: 59 SDL_snprintf(short_date, sizeof(short_date), "%02d/%02d/%04d", dt.month, dt.day, dt.year); 60 break; 61 } 62 63 if (time_format) { 64 if (dt.hour > 12) { /* PM */ 65 dt.hour -= 12; 66 postfix = TIMEPOST[2]; 67 } else { 68 if (!dt.hour) { /* AM */ 69 dt.hour = 12; /* Midnight */ 70 } 71 postfix = TIMEPOST[1]; 72 } 73 } 74 75 SDL_snprintf(str, sizeof(str), "UTC: %s %02d %s %04d (%s) %02d:%02d:%02d.%09d%s %+05d", 76 WDAY[dt.day_of_week], dt.day, MNAME[dt.month - 1], dt.year, short_date, 77 dt.hour, dt.minute, dt.second, dt.nanosecond, postfix, ((dt.utc_offset / 3600) * 100) + (dt.utc_offset % 3600)); 78 79 SDLTest_DrawString(r, 10, 15, str); 80 81 SDL_TimeToDateTime(ticks, &dt, true); 82 if (time_format) { 83 if (dt.hour > 12) { /* PM */ 84 dt.hour -= 12; 85 postfix = TIMEPOST[2]; 86 } else { 87 if (!dt.hour) { /* AM */ 88 dt.hour = 12; /* Midnight */ 89 } 90 postfix = TIMEPOST[1]; 91 } 92 } 93 94 SDL_snprintf(str, sizeof(str), "Local: %s %02d %s %04d (%s) %02d:%02d:%02d.%09d%s %+05d", 95 WDAY[dt.day_of_week], dt.day, MNAME[dt.month - 1], dt.year, short_date, 96 dt.hour, dt.minute, dt.second, dt.nanosecond, postfix, 97 ((dt.utc_offset / 3600) * 100) + (dt.utc_offset % 3600)); 98 SDLTest_DrawString(r, 10, 30, str); 99 100 /* Draw a calendar. */ 101 if (!cal_month) { 102 cal_month = dt.month; 103 cal_year = dt.year; 104 } 105 106 for (y = CAL_Y_OFF; y <= CAL_Y_OFF + (CELL_HEIGHT * 6); y += CELL_HEIGHT) { 107 SDL_RenderLine(r, CAL_X_OFF, y, x_max, y); 108 } 109 for (x = CAL_X_OFF; x <= CAL_X_OFF + (CELL_WIDTH * 7); x += CELL_WIDTH) { 110 SDL_RenderLine(r, x, CAL_Y_OFF, x, y_max); 111 } 112 113 /* Draw the month and year. */ 114 len = SDL_snprintf(str, sizeof(str), "%s %04d", MNAME[cal_month - 1], cal_year); 115 SDLTest_DrawString(r, (CAL_X_OFF + ((x_max - CAL_X_OFF) / 2)) - ((FONT_CHARACTER_SIZE * len) / 2), CAL_Y_OFF - (FONT_LINE_HEIGHT * 3), str); 116 117 /* Draw day names */ 118 for (x = 0; x < 7; ++x) { 119 float offset = ((CAL_X_OFF + (CELL_WIDTH * x)) + (CELL_WIDTH / 2)) - ((FONT_CHARACTER_SIZE * 3) / 2); 120 SDLTest_DrawString(r, offset, CAL_Y_OFF - FONT_LINE_HEIGHT, WDAY[(int)x]); 121 } 122 123 day = SDL_GetDayOfWeek(cal_year, cal_month, 1); 124 x = CAL_X_OFF + (day * CELL_WIDTH + (CELL_WIDTH - (FONT_CHARACTER_SIZE * 3))); 125 day = 0; 126 y = CAL_Y_OFF + FONT_LINE_HEIGHT; 127 while (++day <= SDL_GetDaysInMonth(cal_year, cal_month)) { 128 SDL_snprintf(str, sizeof(str), "%02d", day); 129 130 /* Highlight the current day in red. */ 131 if (cal_year == dt.year && cal_month == dt.month && day == dt.day) { 132 SDL_SetRenderDrawColor(r, 0xFF, 0, 0, 0xFF); 133 } 134 SDLTest_DrawString(r, x, y, str); 135 SDL_SetRenderDrawColor(r, 0xFF, 0xFF, 0xFF, 0xFF); 136 137 x += CELL_WIDTH; 138 if (x >= x_max) { 139 x = CAL_X_OFF + (CELL_WIDTH - (FONT_CHARACTER_SIZE * 3)); 140 y += CELL_HEIGHT; 141 } 142 } 143} 144 145int main(int argc, char *argv[]) 146{ 147 SDLTest_CommonState *state; 148 SDL_Event event; 149 int done; 150 151 /* Initialize test framework */ 152 state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); 153 if (!state) { 154 return 1; 155 } 156 157 /* Parse commandline */ 158 if (!SDLTest_CommonDefaultArgs(state, argc, argv)) { 159 return 1; 160 } 161 162 if (!SDLTest_CommonInit(state)) { 163 goto quit; 164 } 165 166 SDL_GetDateTimeLocalePreferences(&date_format, &time_format); 167 168 /* Main render loop */ 169 done = 0; 170 171 while (!done) { 172 /* Check for events */ 173 while (SDL_PollEvent(&event)) { 174 SDLTest_CommonEvent(state, &event, &done); 175 if (event.type == SDL_EVENT_KEY_DOWN) { 176 switch (event.key.key) { 177 case SDLK_UP: 178 if (++cal_month > 12) { 179 cal_month = 1; 180 ++cal_year; 181 } 182 break; 183 case SDLK_DOWN: 184 if (--cal_month < 1) { 185 cal_month = 12; 186 --cal_year; 187 } 188 break; 189 case SDLK_1: 190 time_format = SDL_TIME_FORMAT_24HR; 191 break; 192 case SDLK_2: 193 time_format = SDL_TIME_FORMAT_12HR; 194 break; 195 case SDLK_3: 196 date_format = SDL_DATE_FORMAT_YYYYMMDD; 197 break; 198 case SDLK_4: 199 date_format = SDL_DATE_FORMAT_DDMMYYYY; 200 break; 201 case SDLK_5: 202 date_format = SDL_DATE_FORMAT_MMDDYYYY; 203 break; 204 default: 205 break; 206 } 207 } else if (event.type == SDL_EVENT_LOCALE_CHANGED) { 208 SDL_GetDateTimeLocalePreferences(&date_format, &time_format); 209 } 210 } 211 212 SDL_SetRenderDrawColor(state->renderers[0], 0x00, 0x00, 0x00, 0xFF); 213 SDL_RenderClear(state->renderers[0]); 214 215 RenderDateTime(state->renderers[0]); 216 217 SDL_RenderPresent(state->renderers[0]); 218 } 219 220quit: 221 SDLTest_CleanupTextDrawing(); 222 SDLTest_CommonQuit(state); 223 return 0; 224} 225[FILE END](C) 2025 0x4248 (C) 2025 4248 Media and 4248 Systems, All part of 0x4248 See LICENCE files for more information. 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