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A modern, network-enabled music player platform built on Rockbox technology. rockboxd.tsiry-sandratraina.com
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#include "pluginlib_bmp.h"
#include "lcd.h"#include "file.h"#include "system.h"
#if defined(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 ){ int line_width = (bm->width*3+3) & ~3; int padsize = line_width - bm->width*3;
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 , 0666); 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[] = { FB_UNPACK_BLUE( *d ), FB_UNPACK_GREEN( *d ), FB_UNPACK_RED( *d ) }; rb->write( fh, c, 3 ); } if(padsize != 0) { unsigned int c = 0; /* padsize is at most 3. */ rb->write( fh, &c, padsize ); } } rb->close( fh ); return 1;}#endif /* HAVE_LCD_COLOR */
/** Very simple image scale from src to dst (nearest neighbour). Source and destination dimensions are read from the struct bitmap. FIXME: this doesn't work well for LCD_DEPTH<4*/void simple_resize_bitmap(struct bitmap *src, struct bitmap *dst){#if LCD_STRIDEFORMAT == VERTICAL_STRIDE const int srcw = src->height; const int srch = src->width; const int dstw = dst->height; const int dsth = dst->width;#else const int srcw = src->width; const int srch = src->height; const int dstw = dst->width; const int dsth = dst->height;#endif 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; }}
#if (LCD_DEPTH < 4)/** Same as simple_resize_bitmap except this is for use with greylib.*/void grey_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 long xrstep = ((srcw-1) << 8) / (dstw-1); const long yrstep = ((srch-1) << 8) / (dsth-1); unsigned char *srcd = src->data; unsigned char *dstd = dst->data; unsigned char *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 = &srcd[src_y * srcw]; dst_row = &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; }}#endif
#include "wrappers.h"
/* import the core bmp loader */#include "recorder/bmp.c"