Mercurial > molko
view examples/example-font.c @ 149:a43e79d489ea
ui: allow custom position of labels
author | David Demelier <markand@malikania.fr> |
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date | Thu, 15 Oct 2020 10:45:40 +0200 |
parents | c577c15df07f |
children | c3a40062acc2 |
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/* * example-font.c -- show how to use fonts * * 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/font.h> #include <core/painter.h> #include <core/panic.h> #include <core/sys.h> #include <core/texture.h> #include <core/util.h> #include <core/window.h> #include <ui/theme.h> #define W (1280) #define H (720) /* Friendly taken from: https://lospec.com/palette-list/apollo */ static const unsigned long colors[] = { 0x3c5e8bff, /* Blue. */ 0x468232ff, /* Green. */ 0xad7757ff, /* Light brown. */ 0x884b2bff, /* Brown. */ 0x752438ff, /* Red. */ 0x7a367bff, /* Magenta. */ 0x151d28ff, /* Dark */ 0xc7cfccff, /* Christian Grey. */ }; static void init(void) { if (!sys_init() || !window_init("Example - Font", W, H) || !theme_init()) panic(); } static void run(void) { struct clock clock = {0}; struct font *font = theme_default()->fonts[THEME_FONT_INTERFACE]; int ci = 0; enum font_style style = font->style; clock_start(&clock); for (;;) { struct texture tex; union event ev; unsigned int elapsed = clock_elapsed(&clock); clock_start(&clock); while (event_poll(&ev)) { switch (ev.type) { case EVENT_KEYDOWN: switch (ev.key.key) { case KEY_LEFT: if (ci > 0) ci--; break; case KEY_RIGHT: if ((size_t)ci < NELEM(colors)) ci++; break; case KEY_SPACE: if (style == FONT_STYLE_ANTIALIASED) style = FONT_STYLE_NONE; else style = FONT_STYLE_ANTIALIASED; default: break; } break; case EVENT_QUIT: return; default: break; } } painter_set_color(0xffffffff); painter_clear(); font->color = colors[ci]; font->style = style; if (!font_render(font, &tex, "Example of text. Use <Left>/<Right> to change color and <Space> to toggle antialiasing.")) panic(); texture_draw(&tex, 10, 10); painter_present(); texture_finish(&tex); if ((elapsed = clock_elapsed(&clock)) < 20) delay(20 - elapsed); } } static void quit(void) { theme_finish(); window_finish(); sys_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); return 0; }