src/context.c

changeset 7
9dd76cbd6c90
parent 6
302971e8599b
child 11
d83af80eb09b
equal deleted inserted replaced
6:302971e8599b 7:9dd76cbd6c90
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 * Copyright 2023 Mike Becker. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "ascension/context.h"
29 #include "ascension/error.h"
30 #include "ascension/utils.h"
31
32 #include <cx/linked_list.h>
33
34 #include <SDL2/SDL.h>
35 #include <SDL2/SDL_ttf.h>
36
37 AscContext asc_context;
38
39 void asc_context_initialize(void) {
40 if (asc_test_flag(asc_context.flags, ASC_FLAG_INITILIZED))
41 return;
42 asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
43
44 // initialize error buffer
45 cxBufferInit(
46 &asc_context.error_buffer,
47 NULL,
48 256,
49 NULL,
50 CX_BUFFER_AUTO_EXTEND
51 );
52
53 // initialize data
54 memset(asc_context.windows, 0, sizeof (asc_context.windows));
55
56 // initialize SDL
57 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
58 asc_error(SDL_GetError());
59 } else {
60 if (TTF_Init() < 0) {
61 asc_error(TTF_GetError());
62 }
63 }
64 SDL_ClearError();
65 asc_set_flag(&asc_context.flags, ASC_FLAG_INITILIZED);
66 asc_dprintf("Ascension context initialized.");
67 }
68
69 void asc_context_destroy(void) {
70 // destroy data
71 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) {
72 asc_window_destroy(&asc_context.windows[i]);
73 }
74
75 // quit SDL
76 if (TTF_WasInit())
77 TTF_Quit();
78 SDL_Quit();
79
80 // destroy the error buffer
81 cxBufferDestroy(&asc_context.error_buffer);
82 asc_context.flags = 0;
83 asc_dprintf("Ascension context destroyed.");
84 }

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