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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-08-19 03:12:28 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-08-19 03:12:28 +0000 |
commit | 1fd361a1ea06e44286c213ca1f814f49306fdc43 (patch) | |
tree | 64c8c96cf54d8718847339a403e5e67b922e8c3f /converter/pbm/pbmtoicon.c | |
download | netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.tar.gz netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.tar.xz netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.zip |
Create Subversion repository
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'converter/pbm/pbmtoicon.c')
-rw-r--r-- | converter/pbm/pbmtoicon.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/converter/pbm/pbmtoicon.c b/converter/pbm/pbmtoicon.c new file mode 100644 index 00000000..0e21c202 --- /dev/null +++ b/converter/pbm/pbmtoicon.c @@ -0,0 +1,134 @@ +/* pbmtoicon.c - read a portable bitmap and produce a Sun icon file +** +** Copyright (C) 1988 by Jef Poskanzer. +** +** Permission to use, copy, modify, and distribute this software and its +** documentation for any purpose and without fee is hereby granted, provided +** that the above copyright notice appear in all copies and that both that +** copyright notice and this permission notice appear in supporting +** documentation. This software is provided "as is" without express or +** implied warranty. +*/ + +#include "pbm.h" + +static void putinit ARGS(( void )); +static void putbit ARGS(( bit b )); +static void putrest ARGS(( void )); +static void putitem ARGS(( void )); + +int +main( argc, argv ) + int argc; + char* argv[]; + { + FILE* ifp; + bit* bitrow; + register bit* bP; + int rows, cols, format, pad, padleft, padright, row, col; + + + pbm_init( &argc, argv ); + + if ( argc > 2 ) + pm_usage( "[pbmfile]" ); + + if ( argc == 2 ) + ifp = pm_openr( argv[1] ); + else + ifp = stdin; + + pbm_readpbminit( ifp, &cols, &rows, &format ); + bitrow = pbm_allocrow( cols ); + + /* Round cols up to the nearest multiple of 16. */ + pad = ( ( cols + 15 ) / 16 ) * 16 - cols; + padleft = pad / 2; + padright = pad - padleft; + + printf( "/* Format_version=1, Width=%d, Height=%d", cols + pad, rows ); + printf( ", Depth=1, Valid_bits_per_item=16\n */\n" ); + + putinit( ); + for ( row = 0; row < rows; ++row ) + { + pbm_readpbmrow( ifp, bitrow, cols, format ); + for ( col = 0; col < padleft; ++col ) + putbit( 0 ); + for ( col = 0, bP = bitrow; col < cols; ++col, ++bP ) + putbit( *bP ); + for ( col = 0; col < padright; ++col ) + putbit( 0 ); + } + + pm_close( ifp ); + + putrest( ); + + exit( 0 ); + } + +static int item, bitsperitem, bitshift, itemsperline, firstitem; + +static void +putinit( ) + { + itemsperline = 0; + bitsperitem = 0; + item = 0; + bitshift = 15; + firstitem = 1; + } + +#if __STDC__ +static void +putbit( bit b ) +#else /*__STDC__*/ +static void +putbit( b ) +bit b; +#endif /*__STDC__*/ + { + if ( bitsperitem == 16 ) + putitem( ); + ++bitsperitem; + if ( b == PBM_BLACK ) + item += 1 << bitshift; + --bitshift; + } + +static void +putrest( ) + { + if ( bitsperitem > 0 ) + putitem( ); + putchar( '\n' ); + } + +static void +putitem( ) + { + const char* hexits = "0123456789abcdef"; + + if ( firstitem ) + firstitem = 0; + else + putchar( ',' ); + if ( itemsperline == 8 ) + { + putchar( '\n' ); + itemsperline = 0; + } + if ( itemsperline == 0 ) + putchar( '\t' ); + putchar( '0' ); + putchar( 'x' ); + putchar( hexits[item >> 12] ); + putchar( hexits[( item >> 8 ) & 15] ); + putchar( hexits[( item >> 4 ) & 15] ); + putchar( hexits[item & 15] ); + ++itemsperline; + bitsperitem = 0; + item = 0; + bitshift = 15; + } |