tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2004 Matthias Wientapper
11 * Heavily extended 2005 Jens Arnold
12 * Extended 2009 Tomer Shalev
13 *
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ****************************************************************************/
24#include "plugin.h"
25
26#include "fractal.h"
27#include "fractal_rect.h"
28#include "fractal_sets.h"
29#include "mandelbrot_set.h"
30#include "lib/pluginlib_exit.h"
31
32#ifdef USEGSLIB
33GREY_INFO_STRUCT
34static unsigned char *gbuf;
35static size_t gbuf_size = 0;
36#endif
37
38#define REDRAW_NONE 0
39#define REDRAW_PARTIAL 1
40#define REDRAW_FULL 2
41#define REDRAW_FULL_OVERLAY 3
42
43
44
45/* returns 1 if a button has been pressed, 0 otherwise */
46static int button_yield(void *ctx)
47{
48 long *button = (long *)ctx;
49
50 *button = rb->button_get(false);
51 switch (*button)
52 {
53 case FRACTAL_QUIT:
54 case FRACTAL_UP:
55 case FRACTAL_DOWN:
56 case FRACTAL_LEFT:
57 case FRACTAL_RIGHT:
58 case FRACTAL_ZOOM_IN:
59 case FRACTAL_ZOOM_OUT:
60 case FRACTAL_PRECISION_INC:
61 case FRACTAL_PRECISION_DEC:
62 case FRACTAL_RESET:
63#ifdef FRACTAL_ZOOM_IN2
64 case FRACTAL_ZOOM_IN2:
65#endif
66#ifdef FRACTAL_ZOOM_IN_PRE
67 case FRACTAL_ZOOM_IN_PRE:
68#endif
69#if defined(FRACTAL_ZOOM_OUT_PRE) && \
70 (FRACTAL_ZOOM_OUT_PRE != FRACTAL_ZOOM_IN_PRE)
71 case FRACTAL_ZOOM_OUT_PRE:
72#endif
73#ifdef FRACTAL_PRECISION_INC_PRE
74 case FRACTAL_PRECISION_INC_PRE:
75#endif
76#if defined(FRACTAL_PRECISION_DEC_PRE) && \
77 (FRACTAL_PRECISION_DEC_PRE != FRACTAL_PRECISION_INC_PRE)
78 case FRACTAL_PRECISION_DEC_PRE:
79#endif
80 return 1;
81 default:
82 *button = BUTTON_NONE;
83 return 0;
84 }
85}
86
87static void cleanup(void)
88{
89#ifdef USEGSLIB
90 grey_release();
91#endif
92}
93
94enum plugin_status plugin_start(const void* parameter)
95{
96#if defined(FRACTAL_ZOOM_OUT_PRE) || \
97 defined(FRACTAL_ZOOM_IN_PRE) || \
98 defined(FRACTAL_PRECISION_DEC_PRE) || \
99 defined(FRACTAL_PRECISION_INC_PRE)
100 long lastbutton = BUTTON_NONE;
101#endif
102 int redraw = REDRAW_FULL;
103 struct fractal_ops *ops = &mandelbrot_ops;
104
105 (void)parameter;
106
107#ifdef USEGSLIB
108 /* get the remainder of the plugin buffer */
109 gbuf = (unsigned char *)rb->plugin_get_buffer(&gbuf_size);
110
111 /* initialize the greyscale buffer.*/
112 if (!grey_init(gbuf, gbuf_size, GREY_ON_COP, LCD_WIDTH, LCD_HEIGHT, NULL))
113 {
114 rb->splash(HZ, "Couldn't init greyscale display");
115 return PLUGIN_ERROR;
116 }
117 grey_show(true); /* switch on greyscale overlay */
118#endif
119
120 /* release greylib on exit */
121 atexit(cleanup);
122#if LCD_DEPTH > 1
123 rb->lcd_set_backdrop(NULL);
124#endif
125
126 ops->init();
127
128 /* main loop */
129 while (true)
130 {
131 long button = BUTTON_NONE;
132
133 if (redraw != REDRAW_NONE)
134 {
135#ifdef HAVE_ADJUSTABLE_CPU_FREQ
136 rb->cpu_boost(true);
137#endif
138 switch (redraw)
139 {
140 case REDRAW_FULL:
141 mylcd_ub_clear_display();
142 mylcd_ub_update();
143 /* fall-through */
144 case REDRAW_FULL_OVERLAY:
145 rects_queue_init();
146 break;
147 default:
148 break;
149 }
150
151 /* paint all rects */
152 rects_calc_all(ops->calc, button_yield, (void *)&button);
153#ifdef HAVE_ADJUSTABLE_CPU_FREQ
154 rb->cpu_boost(false);
155#endif
156 /* not interrupted by button press - screen is fully drawn */
157 redraw = (button == BUTTON_NONE) ? REDRAW_NONE : REDRAW_PARTIAL;
158 }
159
160 if (button == BUTTON_NONE)
161 button = rb->button_get(true);
162
163 switch (button)
164 {
165#ifdef FRACTAL_RC_QUIT
166 case FRACTAL_RC_QUIT:
167#endif
168 case FRACTAL_QUIT:
169 return PLUGIN_OK;
170
171 case FRACTAL_ZOOM_OUT:
172#ifdef FRACTAL_ZOOM_OUT_PRE
173 if (lastbutton != FRACTAL_ZOOM_OUT_PRE)
174 break;
175#endif
176 if (!ops->zoom(-1))
177 redraw = REDRAW_FULL;
178 break;
179
180
181 case FRACTAL_ZOOM_IN:
182#ifdef FRACTAL_ZOOM_IN_PRE
183 if (lastbutton != FRACTAL_ZOOM_IN_PRE)
184 break;
185#endif
186#ifdef FRACTAL_ZOOM_IN2
187 case FRACTAL_ZOOM_IN2:
188#endif
189 if (!ops->zoom(1))
190 redraw = REDRAW_FULL;
191 break;
192
193 case FRACTAL_UP:
194 ops->move(0, +1);
195 mylcd_ub_scroll_down(LCD_SHIFT_Y);
196 mylcd_ub_update();
197 if (redraw != REDRAW_FULL)
198 redraw = rects_move_down() ? REDRAW_FULL : REDRAW_PARTIAL;
199 break;
200
201 case FRACTAL_DOWN:
202 ops->move(0, -1);
203 mylcd_ub_scroll_up(LCD_SHIFT_Y);
204 mylcd_ub_update();
205 if (redraw != REDRAW_FULL)
206 redraw = rects_move_up() ? REDRAW_FULL : REDRAW_PARTIAL;
207 break;
208
209 case FRACTAL_LEFT:
210 ops->move(-1, 0);
211 mylcd_ub_scroll_right(LCD_SHIFT_X);
212 mylcd_ub_update();
213 if (redraw != REDRAW_FULL)
214 redraw = rects_move_right() ? REDRAW_FULL : REDRAW_PARTIAL;
215 break;
216
217 case FRACTAL_RIGHT:
218 ops->move(+1, 0);
219 mylcd_ub_scroll_left(LCD_SHIFT_X);
220 mylcd_ub_update();
221 if (redraw != REDRAW_FULL)
222 redraw = rects_move_left() ? REDRAW_FULL : REDRAW_PARTIAL;
223 break;
224
225 case FRACTAL_PRECISION_DEC:
226#ifdef FRACTAL_PRECISION_DEC_PRE
227 if (lastbutton != FRACTAL_PRECISION_DEC_PRE)
228 break;
229#endif
230 if (ops->precision(-1))
231 redraw = REDRAW_FULL_OVERLAY;
232
233 break;
234
235 case FRACTAL_PRECISION_INC:
236#ifdef FRACTAL_PRECISION_INC_PRE
237 if (lastbutton != FRACTAL_PRECISION_INC_PRE)
238 break;
239#endif
240 if (ops->precision(+1))
241 redraw = REDRAW_FULL_OVERLAY;
242
243 break;
244
245 case FRACTAL_RESET:
246 ops->init();
247 redraw = REDRAW_FULL;
248 break;
249
250 default:
251 exit_on_usb(button);
252 break;
253 }
254#if defined(FRACTAL_ZOOM_OUT_PRE) || \
255 defined(FRACTAL_ZOOM_IN_PRE) || \
256 defined(FRACTAL_PRECISION_DEC_PRE) || \
257 defined(FRACTAL_PRECISION_INC_PRE)
258 if (button != BUTTON_NONE)
259 lastbutton = button;
260#endif
261 }
262 return PLUGIN_OK;
263}