Mercurial > molko
view libmlk-ui/mlk/ui/theme.c @ 497:8d5a266a1774
ui: ui -> mlk_ui
author | David Demelier <markand@malikania.fr> |
---|---|
date | Tue, 28 Feb 2023 13:42:24 +0100 |
parents | 2af25db99273 |
children | ab2816f9551c |
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/* * theme.c -- abstract theming * * Copyright (c) 2020-2023 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 <assert.h> #include <stddef.h> #include <string.h> #include <mlk/core/font.h> #include <mlk/core/maths.h> #include <mlk/core/painter.h> #include <mlk/core/panic.h> #include <mlk/core/texture.h> #include <mlk/core/util.h> #include <assets/fonts/opensans-light.h> #include <assets/fonts/opensans-medium.h> #include <assets/fonts/opensans-regular.h> #include "align.h" #include "button.h" #include "checkbox.h" #include "frame.h" #include "label.h" #include "theme.h" #define THEME(t) (t ? t : &default_theme) /* Default font catalog. */ #define FONT(bin, size, index) \ { bin, sizeof (bin), size, &default_theme.fonts[index], {0} } /* Default theme. */ static struct mlk_theme default_theme = { .colors = { [MLK_THEME_COLOR_DEBUG] = 0xff0000ff, [MLK_THEME_COLOR_NORMAL] = 0xffffffff, [MLK_THEME_COLOR_SELECTED] = 0x006554ff, [MLK_THEME_COLOR_SHADOW] = 0x000000ff }, .padding = 10, .draw_frame = mlk_frame_draw_default, .draw_label = mlk_label_draw_default, .draw_button = mlk_button_draw_default, .draw_checkbox = mlk_checkbox_draw_default }; static struct font_catalog { const unsigned char *data; const size_t datasz; unsigned int size; struct mlk_font **dest; struct mlk_font font; } default_fonts[] = { FONT(assets_fonts_opensans_light, 12, MLK_THEME_FONT_DEBUG), FONT(assets_fonts_opensans_regular, 14, MLK_THEME_FONT_INTERFACE), FONT(assets_fonts_opensans_medium, 14, MLK_THEME_FONT_IMPORTANT) }; int mlk_theme_init(void) { /* Open all fonts. */ for (size_t i = 0; i < MLK_UTIL_SIZE(default_fonts); ++i) { struct font_catalog *fc = &default_fonts[i]; if (mlk_font_openmem(&fc->font, fc->data, fc->datasz, fc->size) < 0) goto failed; /* Reference this font into the catalog. */ *default_fonts[i].dest = &default_fonts[i].font; } return 0; failed: mlk_theme_finish(); return -1; } struct mlk_theme * mlk_theme_default(void) { return &default_theme; } unsigned int theme_padding(const struct mlk_theme *t) { return THEME(t)->padding; } void mlk_theme_shallow(struct mlk_theme *dst, const struct mlk_theme *src) { assert(dst); memcpy(dst, src ? src : &default_theme, sizeof (*src)); } void mlk_theme_draw_frame(const struct mlk_theme *t, const struct mlk_frame *frame) { assert(frame); THEME(t)->draw_frame(THEME(t), frame); } void mlk_theme_draw_label(const struct mlk_theme *t, const struct mlk_label *label) { assert(label); THEME(t)->draw_label(THEME(t), label); } void mlk_theme_draw_button(const struct mlk_theme *t, const struct mlk_button *button) { assert(button); THEME(t)->draw_button(THEME(t), button); } void mlk_theme_draw_checkbox(const struct mlk_theme *t, const struct mlk_checkbox *cb) { assert(cb); THEME(t)->draw_checkbox(THEME(t), cb); } void mlk_theme_finish(void) { for (size_t i = 0; i < MLK_UTIL_SIZE(default_fonts); ++i) { mlk_font_finish(&default_fonts[i].font); *default_fonts[i].dest = NULL; } }