Mercurial > molko
diff 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> |
---|---|
date | Wed, 14 Oct 2020 18:11:38 +0200 |
parents | |
children | c577c15df07f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/example-label.c Wed Oct 14 18:11:38 2020 +0200 @@ -0,0 +1,168 @@ +/* + * example-label.c -- show how to use label and alignments + * + * Copyright (c) 2020 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <core/clock.h> +#include <core/event.h> +#include <core/label.h> +#include <core/painter.h> +#include <core/panic.h> +#include <core/sys.h> +#include <core/theme.h> +#include <core/util.h> +#include <core/window.h> + +#define W (1280) +#define H (720) + +static void +init(void) +{ + if (!sys_init() || + !window_init("Example - Label", W, H) || + !theme_init()) + panic(); +} + +static void +quit(void) +{ + theme_finish(); + window_finish(); + sys_finish(); +} + +static void +run(void) +{ + struct clock clock = {0}; + struct label labels[] = { + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Top left", + .align = LABEL_ALIGN_TOP_LEFT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Top", + .align = LABEL_ALIGN_TOP + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Top right", + .align = LABEL_ALIGN_TOP_RIGHT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Right", + .align = LABEL_ALIGN_RIGHT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Bottom right", + .align = LABEL_ALIGN_BOTTOM_RIGHT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Bottom", + .align = LABEL_ALIGN_BOTTOM + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Bottom left", + .align = LABEL_ALIGN_BOTTOM_LEFT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "Left", + .align = LABEL_ALIGN_LEFT + }, + { + .x = 0, + .y = 0, + .w = W, + .h = H, + .text = "The world is Malikania.", + .flags = LABEL_FLAGS_SHADOW + }, + }; + + clock_start(&clock); + + for (;;) { + union event ev; + unsigned int elapsed = clock_elapsed(&clock); + + clock_start(&clock); + + while (event_poll(&ev)) { + switch (ev.type) { + case EVENT_QUIT: + return; + default: + break; + } + } + + painter_set_color(0x4f8fbaff); + painter_clear(); + + for (size_t i = 0; i < NELEM(labels); ++i) + label_draw(&labels[i]); + + painter_present(); + + if ((elapsed = clock_elapsed(&clock)) < 20) + delay(20 - elapsed); + } +} + +int +main(int argc, char **argv) +{ + (void)argc; + (void)argv; + + init(); + run(); + quit(); +} +