23d9812273
struct plugin_api *rb is declared in PLUGIN_HEADER, and pointed to by __header.api the loader uses this pointer to initialize rb before calling entry_point entry_point is no longer passed a pointer to the plugin API all plugins, and pluginlib functions, are modified to refer to the global rb pluginlib functions which only served to copy the API pointer are removed git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19776 a1c6a512-1295-4272-9138-f99709370657
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2006 by Antoine Cellerier <dionoea -at- videolan -dot- org>
|
|
* Copyright (C) 2009 by Andrew Mahone
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "pluginlib_bmp.h"
|
|
|
|
#include "lcd.h"
|
|
#include "file.h"
|
|
#include "lcd.h"
|
|
#include "system.h"
|
|
|
|
#if LCD_DEPTH > 1 /* save is only available for color, resize for >1bpp */
|
|
#ifdef HAVE_LCD_COLOR
|
|
#define LE16(x) (htole16(x))&0xff, ((htole16(x))>>8)&0xff
|
|
#define LE32(x) (htole32(x))&0xff, ((htole32(x))>>8)&0xff, ((htole32(x))>>16)&0xff, ((htole32(x))>>24)&0xff
|
|
/**
|
|
* Save to 24 bit bitmap.
|
|
*/
|
|
int save_bmp_file( char* filename, struct bitmap *bm )
|
|
{
|
|
/* I'm not really sure about this one :) */
|
|
int line_width = bm->width*3+((bm->width*3)%4?4-((bm->width*3)%4):0);
|
|
|
|
const unsigned char header[] =
|
|
{
|
|
0x42, 0x4d, /* signature - 'BM' */
|
|
LE32( bm->height*line_width + 54 + 4*0 ), /* file size in bytes */
|
|
0x00, 0x00, 0x00, 0x00, /* 0, 0 */
|
|
LE32( 54 + 4*0 ), /* offset to bitmap */
|
|
0x28, 0x00, 0x00, 0x00, /* size of this struct (40) */
|
|
LE32( bm->width ), /* bmap width in pixels */
|
|
LE32( bm->height ), /* bmap height in pixels */
|
|
0x01, 0x00, /* num planes - always 1 */
|
|
LE16( 24 ), /* bits per pixel */
|
|
LE32( 0 ), /* compression flag */
|
|
LE32( bm->height*line_width ), /* image size in bytes */
|
|
0xc4, 0x0e, 0x00, 0x00, /* horz resolution */
|
|
0xc4, 0x0e, 0x00, 0x00, /* vert resolution */
|
|
LE32( 0 ), /* 0 -> color table size */
|
|
LE32( 0 ) /* important color count */
|
|
};
|
|
|
|
int fh;
|
|
int x,y;
|
|
if( bm->format != FORMAT_NATIVE ) return -1;
|
|
fh = rb->creat( filename );
|
|
if( fh < 0 ) return -1;
|
|
|
|
rb->write( fh, header, sizeof( header ) );
|
|
for( y = bm->height-1; y >= 0; y-- )
|
|
{
|
|
for( x = 0; x < bm->width; x++ )
|
|
{
|
|
fb_data *d = (fb_data*)( bm->data ) + (x+y*bm->width);
|
|
unsigned char c[] =
|
|
{
|
|
RGB_UNPACK_BLUE( *d ),
|
|
RGB_UNPACK_GREEN( *d ),
|
|
RGB_UNPACK_RED( *d )
|
|
};
|
|
rb->write( fh, c, 3 );
|
|
}
|
|
for( x = 0; x < 3*bm->width - line_width; x++ )
|
|
{
|
|
unsigned char c = 0;
|
|
rb->write( fh, &c, 1 );
|
|
}
|
|
}
|
|
rb->close( fh );
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
Very simple image scale from src to dst (nearest neighbour).
|
|
Source and destination dimensions are read from the struct bitmap.
|
|
*/
|
|
void simple_resize_bitmap(struct bitmap *src, struct bitmap *dst)
|
|
{
|
|
const int srcw = src->width;
|
|
const int srch = src->height;
|
|
const int dstw = dst->width;
|
|
const int dsth = dst->height;
|
|
const fb_data *srcd = (fb_data*)(src->data);
|
|
const fb_data *dstd = (fb_data*)(dst->data);
|
|
|
|
const long xrstep = ((srcw-1) << 8) / (dstw-1);
|
|
const long yrstep = ((srch-1) << 8) / (dsth-1);
|
|
fb_data *src_row, *dst_row;
|
|
long xr, yr = 0;
|
|
int src_x, src_y, dst_x, dst_y;
|
|
for (dst_y=0; dst_y < dsth; dst_y++)
|
|
{
|
|
src_y = (yr >> 8);
|
|
src_row = (fb_data*)&srcd[src_y * srcw];
|
|
dst_row = (fb_data*)&dstd[dst_y * dstw];
|
|
for (xr=0,dst_x=0; dst_x < dstw; dst_x++)
|
|
{
|
|
src_x = (xr >> 8);
|
|
dst_row[dst_x] = src_row[src_x];
|
|
xr += xrstep;
|
|
}
|
|
yr += yrstep;
|
|
}
|
|
}
|
|
|
|
#else /* LCD_DEPTH == 1 */
|
|
#include "wrappers.h"
|
|
|
|
/* import the core bmp loader */
|
|
#include "../../recorder/bmp.c"
|
|
|
|
#endif
|