wasm-micro-runtime/samples/littlevgl/vgl-wasm-runtime/src/display_indev.h
Wenyong Huang 3ded9ece83
Apply clang format for samples files (#833)
Apply clang format for c source files under samples folder
2021-11-15 12:48:35 +08:00

97 lines
2.3 KiB
C

#ifndef DISPLAY_INDEV_H_
#define DISPLAY_INDEV_H_
#include <stdio.h>
#include <stdbool.h>
#include <inttypes.h>
#include "bh_platform.h"
#include "wasm_export.h"
#define USE_MOUSE 1
typedef union {
struct {
uint8_t blue;
uint8_t green;
uint8_t red;
uint8_t alpha;
};
uint32_t full;
} lv_color32_t;
typedef lv_color32_t lv_color_t;
typedef uint8_t lv_indev_state_t;
typedef int16_t lv_coord_t;
typedef uint8_t lv_opa_t;
typedef struct {
lv_coord_t x;
lv_coord_t y;
} lv_point_t;
typedef struct {
union {
lv_point_t
point; /*For LV_INDEV_TYPE_POINTER the currently pressed point*/
uint32_t key; /*For LV_INDEV_TYPE_KEYPAD the currently pressed key*/
uint32_t btn; /*For LV_INDEV_TYPE_BUTTON the currently pressed button*/
int16_t enc_diff; /*For LV_INDEV_TYPE_ENCODER number of steps since the
previous read*/
};
void *user_data; /*'lv_indev_drv_t.priv' for this driver*/
lv_indev_state_t state; /*LV_INDEV_STATE_REL or LV_INDEV_STATE_PR*/
} lv_indev_data_t;
enum { LV_INDEV_STATE_REL = 0, LV_INDEV_STATE_PR };
enum {
LV_OPA_TRANSP = 0,
LV_OPA_0 = 0,
LV_OPA_10 = 25,
LV_OPA_20 = 51,
LV_OPA_30 = 76,
LV_OPA_40 = 102,
LV_OPA_50 = 127,
LV_OPA_60 = 153,
LV_OPA_70 = 178,
LV_OPA_80 = 204,
LV_OPA_90 = 229,
LV_OPA_100 = 255,
LV_OPA_COVER = 255,
};
extern void
xpt2046_init(void);
extern bool
touchscreen_read(lv_indev_data_t *data);
extern bool
mouse_read(lv_indev_data_t *data);
extern void
display_init(void);
extern void
display_deinit(wasm_exec_env_t exec_env);
extern int
time_get_ms(wasm_exec_env_t exec_env);
extern void
display_flush(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
int32_t y2, lv_color_t *color);
extern void
display_fill(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
int32_t y2, lv_color_t *color);
extern void
display_map(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
int32_t y2, const lv_color_t *color);
extern bool
display_input_read(wasm_exec_env_t exec_env, void *data);
void
display_vdb_write(wasm_exec_env_t exec_env, void *buf, lv_coord_t buf_w,
lv_coord_t x, lv_coord_t y, lv_color_t *color, lv_opa_t opa);
#endif