ui_theme.h

Go to the documentation of this file.

 
#pragma once
 
#include <stdint.h>
 
#include "gfx.h"
#include "ui_layout.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum {
    UI_C_BG = 0,
    UI_C_PANEL,
    UI_C_PANEL_HI,
    UI_C_PANEL_SUNK,
    UI_C_EDGE,
    UI_C_EDGE_HI,
    UI_C_GRID,
    UI_C_GRID_STRONG,
    UI_C_TEXT,
    UI_C_TEXT_DIM,
    UI_C_TEXT_FAINT,
    UI_C_TEXT_ON_LIGHT,
    UI_C_ACCENT,
    UI_C_OK,
    UI_C_WARN,
    UI_C_DANGER,
    UI_C_VOLT,
    UI_C_CURR,
    UI_C_POWER,
    UI_C_RPM,
    UI_C_LILAC,
    UI_C_TEAL,
    UI_C_COUNT
} ui_color_id_t;
 
typedef enum {
    UI_THEME_DARK = 0,
    UI_THEME_LIGHT,
    UI_THEME_COUNT
} ui_theme_id_t;

extern gfx_color_t g_ui_palette[UI_C_COUNT];
 
static inline gfx_color_t ui_theme_color(ui_color_id_t id)
{
    return (id >= 0 && id < UI_C_COUNT) ? g_ui_palette[id] : 0;
}

void ui_theme_set(ui_theme_id_t theme);
void ui_theme_set_brightness(int percent);
void ui_theme_set_contrast(int percent);
 
ui_theme_id_t ui_theme_get(void);
int ui_theme_brightness(void);
int ui_theme_contrast(void);
 
/* ---------------------------------------------------------------- surfaces */
 
#define UI_BG            ui_theme_color(UI_C_BG)
#define UI_PANEL         ui_theme_color(UI_C_PANEL)
#define UI_PANEL_HI      ui_theme_color(UI_C_PANEL_HI)
#define UI_PANEL_SUNK    ui_theme_color(UI_C_PANEL_SUNK)
#define UI_EDGE          ui_theme_color(UI_C_EDGE)
#define UI_EDGE_HI       ui_theme_color(UI_C_EDGE_HI)
#define UI_GRID          ui_theme_color(UI_C_GRID)
#define UI_GRID_STRONG   ui_theme_color(UI_C_GRID_STRONG)
 
/* -------------------------------------------------------------------- text */
 
#define UI_TEXT          ui_theme_color(UI_C_TEXT)
#define UI_TEXT_DIM      ui_theme_color(UI_C_TEXT_DIM)
#define UI_TEXT_FAINT    ui_theme_color(UI_C_TEXT_FAINT)
#define UI_TEXT_ON_LIGHT ui_theme_color(UI_C_TEXT_ON_LIGHT)
 
/* ------------------------------------------------------------------ accent */
 
#define UI_ACCENT        ui_theme_color(UI_C_ACCENT)
#define UI_OK            ui_theme_color(UI_C_OK)
#define UI_WARN          ui_theme_color(UI_C_WARN)
#define UI_DANGER        ui_theme_color(UI_C_DANGER)
 
/* ------------------------------------------------------- telemetry series */
 
#define UI_VOLT          ui_theme_color(UI_C_VOLT)
#define UI_CURR          ui_theme_color(UI_C_CURR)
#define UI_POWER         ui_theme_color(UI_C_POWER)
#define UI_RPM           ui_theme_color(UI_C_RPM)
#define UI_LILAC         ui_theme_color(UI_C_LILAC)
#define UI_TEAL          ui_theme_color(UI_C_TEAL)
 
/* ----------------------------------------------------------------- metrics */

#define UI_CHAMFER       10
#define UI_CHAMFER_SM    5
 
/*
 * Corner radii (UI_R_CARD, UI_R_CTL, UI_R_CHIP, in ui_layout.h) are one scale
 * for the whole interface, so a card, a button and a track read as the same
 * material.  UI_CHAMFER is the 45-degree cut ui_panel and the home tag use.
 */
 
/*
 * The bench's numeral style, in one place: the four readings and the throttle
 * share it.  Thickness is an eighth of the height; a fatter segment makes the
 * horizontals, which only span the gap between the two verticals, shorter
 * than they are thick.  The slant of 3px is the lean of a panel meter.
 */
static inline gfx_seg_style_t ui_seg_hero(void)
{
    gfx_seg_style_t st = { .digit_w = 22, .digit_h = 32, .thickness = 4,
                           .gap = 5, .slant = 3, .ghost = true };
    return st;
}
 
/* Fonts by role rather than by size, so a face can be swapped in one place. */
#define UI_FONT_LABEL    (&gfx_font_8x16)
#define UI_FONT_HEAD     (&gfx_font_16x28)
#define UI_FONT_NUM      (&gfx_font_num_24x30)
 
/*
 * Roles of the faces of the 1024 x 600 type scale.  LABEL, HEAD and NUM
 * above are the faces the screens are laid out in, 8px cells.  The band,
 * the home tag, the help bubbles and the alert band draw with the scale's
 * faces: UI_FONT_BAND and UI_FONT_TAG.
 */
#define UI_FONT_BAND     (&gfx_font_10x20)
#define UI_FONT_TAG      (&gfx_font_20x36)
#define UI_FONT_FINE     (&gfx_font_8x16)
#define UI_FONT_BODY     (&gfx_font_12x24)
 
#ifdef __cplusplus
}
#endif