A modern Music Player Daemon based on Rockbox open source high quality audio player
tsiry-sandratraina.com
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) 2006 by Antoine Cellerier <dionoea -at- videolan -dot- org>
11 * Copyright (C) 2009 by Andrew Mahone
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22
23#include "pluginlib_bmp.h"
24
25#include "lcd.h"
26#include "file.h"
27#include "system.h"
28
29#if defined(HAVE_LCD_COLOR)
30#define LE16(x) (htole16(x))&0xff, ((htole16(x))>>8)&0xff
31#define LE32(x) (htole32(x))&0xff, ((htole32(x))>>8)&0xff, ((htole32(x))>>16)&0xff, ((htole32(x))>>24)&0xff
32/**
33 * Save to 24 bit bitmap.
34 */
35int save_bmp_file( char* filename, struct bitmap *bm )
36{
37 int line_width = (bm->width*3+3) & ~3;
38 int padsize = line_width - bm->width*3;
39
40 const unsigned char header[] =
41 {
42 0x42, 0x4d, /* signature - 'BM' */
43 LE32( bm->height*line_width + 54 + 4*0 ), /* file size in bytes */
44 0x00, 0x00, 0x00, 0x00, /* 0, 0 */
45 LE32( 54 + 4*0 ), /* offset to bitmap */
46 0x28, 0x00, 0x00, 0x00, /* size of this struct (40) */
47 LE32( bm->width ), /* bmap width in pixels */
48 LE32( bm->height ), /* bmap height in pixels */
49 0x01, 0x00, /* num planes - always 1 */
50 LE16( 24 ), /* bits per pixel */
51 LE32( 0 ), /* compression flag */
52 LE32( bm->height*line_width ), /* image size in bytes */
53 0xc4, 0x0e, 0x00, 0x00, /* horz resolution */
54 0xc4, 0x0e, 0x00, 0x00, /* vert resolution */
55 LE32( 0 ), /* 0 -> color table size */
56 LE32( 0 ) /* important color count */
57 };
58
59 int fh;
60 int x,y;
61 if( bm->format != FORMAT_NATIVE ) return -1;
62 fh = rb->creat( filename , 0666);
63 if( fh < 0 ) return -1;
64
65 rb->write( fh, header, sizeof( header ) );
66 for( y = bm->height-1; y >= 0; y-- )
67 {
68 for( x = 0; x < bm->width; x++ )
69 {
70 fb_data *d = (fb_data*)( bm->data ) + (x+y*bm->width);
71 unsigned char c[] =
72 {
73 FB_UNPACK_BLUE( *d ),
74 FB_UNPACK_GREEN( *d ),
75 FB_UNPACK_RED( *d )
76 };
77 rb->write( fh, c, 3 );
78 }
79 if(padsize != 0)
80 {
81 unsigned int c = 0; /* padsize is at most 3. */
82 rb->write( fh, &c, padsize );
83 }
84 }
85 rb->close( fh );
86 return 1;
87}
88#endif /* HAVE_LCD_COLOR */
89
90/**
91 Very simple image scale from src to dst (nearest neighbour).
92 Source and destination dimensions are read from the struct bitmap.
93 FIXME: this doesn't work well for LCD_DEPTH<4
94*/
95void simple_resize_bitmap(struct bitmap *src, struct bitmap *dst)
96{
97#if LCD_STRIDEFORMAT == VERTICAL_STRIDE
98 const int srcw = src->height;
99 const int srch = src->width;
100 const int dstw = dst->height;
101 const int dsth = dst->width;
102#else
103 const int srcw = src->width;
104 const int srch = src->height;
105 const int dstw = dst->width;
106 const int dsth = dst->height;
107#endif
108 const fb_data *srcd = (fb_data *)(src->data);
109 const fb_data *dstd = (fb_data *)(dst->data);
110 const long xrstep = ((srcw-1) << 8) / (dstw-1);
111 const long yrstep = ((srch-1) << 8) / (dsth-1);
112 fb_data *src_row, *dst_row;
113 long xr, yr = 0;
114 int src_x, src_y, dst_x, dst_y;
115 for (dst_y=0; dst_y < dsth; dst_y++)
116 {
117 src_y = (yr >> 8);
118 src_row = (fb_data *)&srcd[src_y * srcw];
119 dst_row = (fb_data *)&dstd[dst_y * dstw];
120 for (xr=0,dst_x=0; dst_x < dstw; dst_x++)
121 {
122 src_x = (xr >> 8);
123 dst_row[dst_x] = src_row[src_x];
124 xr += xrstep;
125 }
126 yr += yrstep;
127 }
128}
129
130#if (LCD_DEPTH < 4)
131/**
132 Same as simple_resize_bitmap except this is for use with greylib.
133*/
134void grey_resize_bitmap(struct bitmap *src, struct bitmap *dst)
135{
136 const int srcw = src->width;
137 const int srch = src->height;
138 const int dstw = dst->width;
139 const int dsth = dst->height;
140 const long xrstep = ((srcw-1) << 8) / (dstw-1);
141 const long yrstep = ((srch-1) << 8) / (dsth-1);
142 unsigned char *srcd = src->data;
143 unsigned char *dstd = dst->data;
144 unsigned char *src_row, *dst_row;
145 long xr, yr = 0;
146 int src_x, src_y, dst_x, dst_y;
147 for (dst_y=0; dst_y < dsth; dst_y++)
148 {
149 src_y = (yr >> 8);
150 src_row = &srcd[src_y * srcw];
151 dst_row = &dstd[dst_y * dstw];
152 for (xr=0,dst_x=0; dst_x < dstw; dst_x++)
153 {
154 src_x = (xr >> 8);
155 dst_row[dst_x] = src_row[src_x];
156 xr += xrstep;
157 }
158 yr += yrstep;
159 }
160}
161#endif
162
163
164#include "wrappers.h"
165
166/* import the core bmp loader */
167#include "recorder/bmp.c"