Mercurial > molko
comparison examples/example-label.c @ 145:7f1af54bb35a
core: rework label alignment, closes #2494 @1h
Now labels can be positioned on a bounding box with much more convenient
possibilities.
author | David Demelier <markand@malikania.fr> |
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date | Wed, 14 Oct 2020 18:11:38 +0200 |
parents | |
children | c577c15df07f |
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144:28d9bb62fcb1 | 145:7f1af54bb35a |
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1 /* | |
2 * example-label.c -- show how to use label and alignments | |
3 * | |
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> | |
5 * | |
6 * Permission to use, copy, modify, and/or distribute this software for any | |
7 * purpose with or without fee is hereby granted, provided that the above | |
8 * copyright notice and this permission notice appear in all copies. | |
9 * | |
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 */ | |
18 | |
19 #include <core/clock.h> | |
20 #include <core/event.h> | |
21 #include <core/label.h> | |
22 #include <core/painter.h> | |
23 #include <core/panic.h> | |
24 #include <core/sys.h> | |
25 #include <core/theme.h> | |
26 #include <core/util.h> | |
27 #include <core/window.h> | |
28 | |
29 #define W (1280) | |
30 #define H (720) | |
31 | |
32 static void | |
33 init(void) | |
34 { | |
35 if (!sys_init() || | |
36 !window_init("Example - Label", W, H) || | |
37 !theme_init()) | |
38 panic(); | |
39 } | |
40 | |
41 static void | |
42 quit(void) | |
43 { | |
44 theme_finish(); | |
45 window_finish(); | |
46 sys_finish(); | |
47 } | |
48 | |
49 static void | |
50 run(void) | |
51 { | |
52 struct clock clock = {0}; | |
53 struct label labels[] = { | |
54 { | |
55 .x = 0, | |
56 .y = 0, | |
57 .w = W, | |
58 .h = H, | |
59 .text = "Top left", | |
60 .align = LABEL_ALIGN_TOP_LEFT | |
61 }, | |
62 { | |
63 .x = 0, | |
64 .y = 0, | |
65 .w = W, | |
66 .h = H, | |
67 .text = "Top", | |
68 .align = LABEL_ALIGN_TOP | |
69 }, | |
70 { | |
71 .x = 0, | |
72 .y = 0, | |
73 .w = W, | |
74 .h = H, | |
75 .text = "Top right", | |
76 .align = LABEL_ALIGN_TOP_RIGHT | |
77 }, | |
78 { | |
79 .x = 0, | |
80 .y = 0, | |
81 .w = W, | |
82 .h = H, | |
83 .text = "Right", | |
84 .align = LABEL_ALIGN_RIGHT | |
85 }, | |
86 { | |
87 .x = 0, | |
88 .y = 0, | |
89 .w = W, | |
90 .h = H, | |
91 .text = "Bottom right", | |
92 .align = LABEL_ALIGN_BOTTOM_RIGHT | |
93 }, | |
94 { | |
95 .x = 0, | |
96 .y = 0, | |
97 .w = W, | |
98 .h = H, | |
99 .text = "Bottom", | |
100 .align = LABEL_ALIGN_BOTTOM | |
101 }, | |
102 { | |
103 .x = 0, | |
104 .y = 0, | |
105 .w = W, | |
106 .h = H, | |
107 .text = "Bottom left", | |
108 .align = LABEL_ALIGN_BOTTOM_LEFT | |
109 }, | |
110 { | |
111 .x = 0, | |
112 .y = 0, | |
113 .w = W, | |
114 .h = H, | |
115 .text = "Left", | |
116 .align = LABEL_ALIGN_LEFT | |
117 }, | |
118 { | |
119 .x = 0, | |
120 .y = 0, | |
121 .w = W, | |
122 .h = H, | |
123 .text = "The world is Malikania.", | |
124 .flags = LABEL_FLAGS_SHADOW | |
125 }, | |
126 }; | |
127 | |
128 clock_start(&clock); | |
129 | |
130 for (;;) { | |
131 union event ev; | |
132 unsigned int elapsed = clock_elapsed(&clock); | |
133 | |
134 clock_start(&clock); | |
135 | |
136 while (event_poll(&ev)) { | |
137 switch (ev.type) { | |
138 case EVENT_QUIT: | |
139 return; | |
140 default: | |
141 break; | |
142 } | |
143 } | |
144 | |
145 painter_set_color(0x4f8fbaff); | |
146 painter_clear(); | |
147 | |
148 for (size_t i = 0; i < NELEM(labels); ++i) | |
149 label_draw(&labels[i]); | |
150 | |
151 painter_present(); | |
152 | |
153 if ((elapsed = clock_elapsed(&clock)) < 20) | |
154 delay(20 - elapsed); | |
155 } | |
156 } | |
157 | |
158 int | |
159 main(int argc, char **argv) | |
160 { | |
161 (void)argc; | |
162 (void)argv; | |
163 | |
164 init(); | |
165 run(); | |
166 quit(); | |
167 } | |
168 |