lcd.h

Go to the documentation of this file.

/*
 * Copyright 2026 dogtopus
 * SPDX-License-Identifier: MIT
 */

 
#ifndef __MUTEKI_DRAW_TYPES_LCD_H__
#define __MUTEKI_DRAW_TYPES_LCD_H__
 
#include "../../threading.h"
#include "font.h"
#include "surface.h"
#include "primitives.h"
 
#ifdef __cplusplus
extern "C" {
#endif

enum lcd_print_flag_e {
    LCD_PRINT_NONE = 0,
    LCD_PRINT_INVERT = 0x1,
    LCD_PRINT_INVERT_ALT = 0x4,
    LCD_PRINT_UNDERSCORE_ONLY = 0x40,
};

enum lcd_print_str_flag_e {
    LCD_PRINT_STR_ENCODING_BIG5 = 0x100,
    LCD_PRINT_STR_ENCODING_GB18030 = 0x200,
    LCD_PRINT_STR_ENCODING_TIS_620 = 0x400,
};

enum lcd_str_align_e {
    LCD_STR_ALIGN_LEFT = 0,
    LCD_STR_ALIGN_RIGHT,
    LCD_STR_ALIGN_CENTER,
};

enum lcd_rotation_e {
    LCD_ROTATION_TOP_SIDE_UP = 0,
    LCD_ROTATION_TOP_SIDE_LEFT,
    LCD_ROTATION_TOP_SIDE_DOWN,
    LCD_ROTATION_TOP_SIDE_RIGHT,
    LCD_ROTATION_QUERY = 0xfe,
    LCD_ROTATION_APPLY = 0xff,
};

enum stroke_predefined_dash_e {
    DASH_NONE = 0,
    DASH_8_8_16_0,
    DASH_4,
    DASH_0_4_16_4_4_4,
    DASH_12_4_4_4_4_4,
    DASH_1,
    DASH_2,
    DASH_16,
    DASH_0_1_8_1_8_1_8_1_4_0 = 12,
    DASH_4_1_8_1_7_1_9_1,
    DASH_3_1_7_1_7_1_4_8,
    DASH_3_1_7_1_7_1_7_1_4_0,
    DASH_0_1_6_1_1_1_4_1_3_1_2_1_5_2_3_0,
    DASH_3_2_5_1_2_1_3_1_4_1_1_1_6_1,
    DASH_7_1_6_1_6_1_6_1_3_0,
    DASH_3_1_6_1_6_1_6_1_7_0,
    DASH_24_8 = 22,
    DASH_CUSTOM = 0x100,
};

typedef struct lcd_cursor_s lcd_cursor_t;
typedef struct lcd_draw_s lcd_draw_t;
typedef struct lcd_lock_s lcd_lock_t;
typedef struct lcd_base_s lcd_base_t;
typedef struct lcd_thread_safe_s lcd_thread_safe_t;
 
#if defined(MUTEKI_HAS_THREAD_SAFE_LCD) && MUTEKI_HAS_THREAD_SAFE_LCD == 1
#define lcd_s lcd_thread_safe_s
typedef struct lcd_thread_safe_s lcd_t;
#else
#define lcd_s lcd_base_s
typedef struct lcd_base_s lcd_t;
#endif

struct lcd_cursor_s {
    short x; // 0x0:0x2 (lcd_t[0x5c:0x5e])
    short y; // 0x2:0x4 (lcd_t[0x5e:0x60])
    unsigned int size; // 0x4:0x8 (lcd_t[0x60:0x64])
    short type; // 0x8:0xa (lcd_t[0x64:0x66])
    short unk_0xa; // 0xa:0xc (lcd_t[0x66:0x68])
    short grab_count; // 0xc:0xe (lcd_t[0x68:0x6a])
    short unk_0xe; // 0xe:0x10 (lcd_t[0x6a:0x6c])
}; // 0x10 bytes

struct lcd_draw_s {
    int unk_0x0; // 0x0:0x4 (lcd_t[0x14:0x18])
    int fg_color; // 0x4:0x8 (lcd_t[0x18:0x1c])
    unsigned int stroke_dash_pattern; // 0x8:0xc (lcd_t[0x1c:0x20])
    short stroke_size; // 0xc:0xe (lcd_t[0x20:0x22])
    short stroke_dash; // 0xe:0x10 (lcd_t[0x22:0x24])
    int unk_0x10; // 0x10:0x14 (lcd_t[0x24:0x28])
    int unk_0x14; // 0x14:0x18 (lcd_t[0x28:0x2c])
    int unk_0x18; // 0x18:0x1c (lcd_t[0x2c:0x30])
    int unk_0x1c; // 0x1c:0x20 (lcd_t[0x30:0x34])
}; // 0x20 bytes

struct lcd_lock_s {
    int unk_0x0; // 0x0:0x4 (lcd_thread_safe_t[0x94:0x98])
    bxc_cs_t *cs; // 0x4:0x8 (lcd_thread_safe_t[0x98:0x9c])
    void (*lock)(void); // 0x8:0xc (lcd_thread_safe_t[0x9c:0xa0])
    void (*unlock)(void); // 0xc:0x10 (lcd_thread_safe_t[0xa0:0xa4])
    int unk_0xa4[23]; // 0x10:0x6c (lcd_thread_safe_t[0xa4:0x100])
}; // 0x6c bytes

typedef int (*lcd_rotate_callback_t)(lcd_t *self, int rotation);

struct lcd_base_s {
    lcd_surface_t *surface; // 0x0:0x4
    void *pixel_end; // 0x4:0x8
    size_t pixel_size; // 0x8:0xc
    int bg_color; // 0xc:0x10
    int transparent_color; // 0x10:0x14
    lcd_draw_t draw; // 0x14:0x34
    font_info_t font; // 0x34:0x5c
    lcd_cursor_t saved_cursor; // 0x5c:0x6c
    lcd_rect_t drawing_area; // 0x6c:0x74
    int unk_0x74[3]; // 0x74:0x80
    lcd_cursor_t *cursor; // 0x80:0x84
    short width; // 0x84:0x86
    short height; // 0x86:0x88
    int rotation; // 0x88:0x8c
    short depth_bytes; // 0x8c:0x8e
    short xsize; // 0x8e:0x90
    lcd_rotate_callback_t rotate; // 0x90:0x94
}; // 0x94 bytes

struct lcd_thread_safe_s {
    lcd_surface_t *surface; // 0x0:0x4
    void *pixel_end; // 0x4:0x8
    size_t pixel_size; // 0x8:0xc
    int bg_color; // 0xc:0x10
    int transparent_color; // 0x10:0x14
    lcd_draw_t draw; // 0x14:0x34
    font_info_t font; // 0x34:0x5c
    lcd_cursor_t saved_cursor; // 0x5c:0x6c
    lcd_rect_t drawing_area; // 0x6c:0x74
    int unk_0x74[3]; // 0x74:0x80
    lcd_cursor_t *cursor; // 0x80:0x84
    short width; // 0x84:0x86
    short height; // 0x86:0x88
    int rotation; // 0x88:0x8c
    short depth_bytes; // 0x8c:0x8e
    short xsize; // 0x8e:0x90
    lcd_rotate_callback_t rotate; // 0x90:0x94
    int unk_0x94; // 0x94:0x98
    bxc_cs_t *cs; // 0x98:0x9c
    void (*lock)(void); // 0x9c:0xa0
    void (*unlock)(void); // 0xa0:0xa4
    int unk_0xa4[23]; // 0xa4:0x100
};
 
#ifdef __cplusplus
} // extern "C"
#endif
 
#endif // __MUTEKI_DRAW_TYPES_LCD_H__