huxi
144 lines
2.8 KiB
C
144 lines
2.8 KiB
C
#ifndef __MASK_H__
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#define __MASK_H__
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#include "typedef.h"
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#include "ui/ui_type.h"
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#include "ui/ui_math.h"
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typedef u8(*mask_cb)(u8 *mask_buf, int abs_x, int abs_y, int len, void *p);
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typedef struct {
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void *param;
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void *custom_id;
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} _mask_saved_t;
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#define MASK_ID_INV (-1)
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#define _MASK_MAX_NUM 16
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typedef _mask_saved_t _mask_saved_arr_t[_MASK_MAX_NUM];
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enum {
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MASK_TYPE_LINE,
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MASK_TYPE_ANGLE,
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MASK_TYPE_RADIUS,
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MASK_TYPE_FADE,
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MASK_TYPE_MAP,
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};
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enum {
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MASK_LINE_SIDE_LEFT = 0,
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MASK_LINE_SIDE_RIGHT,
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MASK_LINE_SIDE_TOP,
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MASK_LINE_SIDE_BOTTOM,
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};
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enum {
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MASK_RES_TRANSP,
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MASK_RES_FULL_COVER,
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MASK_RES_CHANGED,
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MASK_RES_UNKNOWN
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};
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typedef struct {
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mask_cb cb;
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u8 type;
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} mask_common_dsc_t;
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typedef struct {
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mask_common_dsc_t dsc;
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struct {
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area_t rect;
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int radius;
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u8 outer: 1;
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} cfg;
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int y_prev;
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sqrt_res_t y_prev_x;
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} mask_radius_param_t;
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typedef struct {
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mask_common_dsc_t dsc;
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struct {
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point_t p1;
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point_t p2;
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u8 side : 2;
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} cfg;
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point_t origo;
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int xy_steep;
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int yx_steep;
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int steep;
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int spx;
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u8 flat : 1;
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u8 inv: 1;
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} mask_line_param_t;
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typedef struct {
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mask_common_dsc_t dsc;
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struct {
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point_t vertex_p;
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int start_angle;
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int end_angle;
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} cfg;
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mask_line_param_t start_line;
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mask_line_param_t end_line;
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u16 delta_deg;
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} mask_angle_param_t;
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void mask_angle_init(mask_angle_param_t *param, int vertex_x, int vertex_y, int start_angle, int end_angle);
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void mask_radius_init(mask_radius_param_t *param, const area_t *rect, int radius, bool inv);
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void mask_line_points_init(mask_line_param_t *param, int p1x, int p1y, int p2x, int p2y, u8 side);
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void mask_line_angle_init(mask_line_param_t *param, int p1x, int py, int angle, u8 side);
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u8 mask_get_cnt(void);
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int mask_add(void *param, void *custom_id);
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void *mask_remove_id(int id);
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u8 mask_apply(u8 *mask_buf, int abs_x, int abs_y, int len);
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#define OPA_MIN 2
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#define OPA_MAX 253
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#define MATH_UDIV255(x) ((u32)((u32) (x) * 0x8081) >> 0x17)
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static inline u8 mask_mix(u8 mask_act, u8 mask_new)
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{
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if (mask_new >= OPA_MAX) {
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return mask_act;
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}
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if (mask_new <= OPA_MIN) {
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return 0;
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}
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return MATH_UDIV255(mask_act * mask_new);// >> 8);
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}
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static inline void *_memcpy_small(void *dst, const void *src, u32 len)
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{
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u8 *d8 = (u8 *)dst;
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const u8 *s8 = (const u8 *)src;
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while (len) {
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*d8 = *s8;
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d8++;
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s8++;
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len--;
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}
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return dst;
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}
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inline static void area_copy(area_t *dest, const area_t *src)
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{
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_memcpy_small(dest, src, sizeof(area_t));
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}
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static inline int area_get_width(const area_t *area_p)
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{
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return (int)(area_p->x2 - area_p->x1 + 1);
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}
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static inline int area_get_height(const area_t *area_p)
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{
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return (int)(area_p->y2 - area_p->y1 + 1);
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}
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#endif
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