1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
#include "eve.h"
#include "eve_text.h"
#define TEXT_ATTR 0x0A
#define TEXT_CRSR 0x02DB
#define LINE_IDX_ADD(l1,l2,s) (((((l1) + (l2)) % (s)) + (s)) % (s))
#define LINE_IDX_SUB(l1,l2,s) (((((l1) - (l2)) % (s)) + (s)) % (s))
#define LINE_IDX_LTE(l1,l2,s,h) (LINE_IDX_SUB(l2,l1,s) <= (s) - (h))
#define LINE_IDX_DIFF(l1,l2,s) ((l1) > (l2) ? (l1) - (l2) : (s) - (l2) + (l1))
static void scroll1(EOSText *box) {
box->line_idx = (box->line_idx + 1) % box->buf_line_h;
eos_eve_cmd(CMD_MEMSET, "www", box->buf_addr + box->buf_idx, 0x0, box->w * 2);
eos_eve_cmd_exec(1);
box->dirty = 1;
}
void eos_text_init(EOSText *box, int x, int y, int w, int h, double scale_x, double scale_y, uint8_t tag, int buf_line_h, uint32_t mem_addr, uint32_t *mem_next) {
box->x = x;
box->y = y;
box->w = w;
box->h = h;
box->tag = tag;
box->transform_a = 256/scale_x;
box->transform_e = 256/scale_y;
box->ch_w = scale_x * 8;
box->ch_h = scale_y * 16;
box->dl_size = 17;
box->buf_addr = mem_addr;
box->buf_line_h = buf_line_h;
box->buf_idx = 0;
box->line_idx = 0;
if (box->transform_a != 256) {
box->dl_size += 1;
}
if (box->transform_e != 256) {
box->dl_size += 1;
}
eos_touch_evt_set(tag, EOS_TOUCH_ETYPE_TRACK);
eos_eve_cmd(CMD_MEMSET, "www", mem_addr, 0x0, w * 2 * buf_line_h);
eos_eve_cmd_exec(1);
eos_text_update(box, -1);
*mem_next = box->buf_addr + box->w * 2 * box->buf_line_h + box->dl_size * 4;
}
void eos_text_draw(EOSText *box, uint8_t tag0, int touch_idx) {
static int line_idx = -1;
static int line_idx_last;
uint8_t evt;
EOSTouch *t = eos_touch_evt(tag0, touch_idx, box->tag, box->tag, &evt);
if (t && evt) {
if (evt & EOS_TOUCH_ETYPE_TAG_DOWN) {
if (line_idx < 0) {
line_idx = box->line_idx;
line_idx_last = line_idx;
}
}
if (evt & EOS_TOUCH_ETYPE_TAG_UP) {
line_idx = line_idx_last;
}
if (evt & EOS_TOUCH_ETYPE_TRACK) {
int _line_idx = LINE_IDX_ADD(line_idx, ((int)t->y0 - t->y) / box->ch_h, box->buf_line_h);
if (LINE_IDX_LTE(_line_idx, box->line_idx, box->buf_line_h, box->h)) {
eos_text_update(box, _line_idx);
line_idx_last = _line_idx;
}
}
} else if (line_idx >= 0) {
line_idx = -1;
box->dirty = 1;
}
if (box->dirty) {
eos_text_update(box, -1);
box->dirty = 0;
}
eos_eve_cmd(CMD_APPEND, "ww", box->buf_addr + box->w * 2 * box->buf_line_h, box->dl_size * 4);
}
void eos_text_update(EOSText *box, int line_idx) {
int text_h1;
int text_h2;
if (line_idx < 0) line_idx = box->line_idx;
if (line_idx + box->h > box->buf_line_h) {
text_h1 = box->buf_line_h - line_idx;
text_h2 = box->h - text_h1;
} else {
text_h1 = box->h;
text_h2 = 0;
}
eos_eve_dl_start(box->buf_addr + box->w * 2 * box->buf_line_h);
eos_eve_dl_write(SAVE_CONTEXT());
eos_eve_dl_write(BEGIN(EVE_BITMAPS));
eos_eve_dl_write(TAG(box->tag));
eos_eve_dl_write(VERTEX_FORMAT(0));
eos_eve_dl_write(BITMAP_HANDLE(15));
if (box->transform_a != 256) {
eos_eve_dl_write(BITMAP_TRANSFORM_A(box->transform_a));
}
if (box->transform_e != 256) {
eos_eve_dl_write(BITMAP_TRANSFORM_E(box->transform_e));
}
eos_eve_dl_write(BITMAP_SOURCE(box->buf_addr + line_idx * box->w * 2));
eos_eve_dl_write(BITMAP_LAYOUT(EVE_TEXTVGA, box->w * 2, text_h1));
eos_eve_dl_write(BITMAP_SIZE(EVE_NEAREST, EVE_BORDER, EVE_BORDER, box->w * box->ch_w, text_h1 * box->ch_h));
eos_eve_dl_write(BITMAP_SIZE_H(box->w * box->ch_w, text_h1 * box->ch_h));
eos_eve_dl_write(VERTEX2F(box->x, box->y));
if (text_h2) {
eos_eve_dl_write(BITMAP_SOURCE(box->buf_addr));
eos_eve_dl_write(BITMAP_LAYOUT(EVE_TEXTVGA, box->w * 2, text_h2));
eos_eve_dl_write(BITMAP_SIZE(EVE_NEAREST, EVE_BORDER, EVE_BORDER, box->w * box->ch_w, text_h2 * box->ch_h));
eos_eve_dl_write(BITMAP_SIZE_H(box->w * box->ch_w, text_h2 * box->ch_h));
eos_eve_dl_write(VERTEX2F(box->x, box->y + text_h1 * box->ch_h));
} else {
eos_eve_dl_write(NOP());
eos_eve_dl_write(NOP());
eos_eve_dl_write(NOP());
eos_eve_dl_write(NOP());
eos_eve_dl_write(NOP());
}
eos_eve_dl_write(END());
eos_eve_dl_write(RESTORE_CONTEXT());
}
void eos_text_putc(EOSText *box, int c) {
int line_c, line_n;
switch (c) {
case '\b':
eos_text_backspace(box);
break;
case '\r':
case '\n':
eos_text_newline(box);
break;
default:
line_c = box->buf_idx / 2 / box->w;
eos_eve_write16(box->buf_addr + box->buf_idx, 0x0200 | (c & 0xff));
box->buf_idx = (box->buf_idx + 2) % (box->buf_line_h * box->w * 2);
eos_eve_write16(box->buf_addr + box->buf_idx, TEXT_CRSR);
line_n = box->buf_idx / 2 / box->w;
if ((line_c != line_n) && (LINE_IDX_DIFF(line_n, box->line_idx, box->buf_line_h) == box->h)) scroll1(box);
break;
}
}
void eos_text_newline(EOSText *box) {
int line = (box->buf_idx / 2 / box->w + 1) % box->buf_line_h;
eos_eve_write16(box->buf_addr + box->buf_idx, 0);
box->buf_idx = line * box->w * 2;
if (LINE_IDX_DIFF(line, box->line_idx, box->buf_line_h) == box->h) scroll1(box);
eos_eve_write16(box->buf_addr + box->buf_idx, TEXT_CRSR);
}
void eos_text_backspace(EOSText *box) {
uint16_t c;
eos_eve_write16(box->buf_addr + box->buf_idx, 0);
box->buf_idx = (box->buf_idx - 2) % (box->buf_line_h * box->w * 2);
if (eos_eve_read16(box->buf_addr + box->buf_idx) == 0) {
box->buf_idx = (box->buf_idx + 2) % (box->buf_line_h * box->w * 2);
}
eos_eve_write16(box->buf_addr + box->buf_idx, TEXT_CRSR);
}
|
