00001 // This is core/vil/file_formats/vil_bmp_core_header.cxx 00002 #ifdef VCL_NEEDS_PRAGMA_INTERFACE 00003 #pragma implementation 00004 #endif 00005 //: 00006 // \file 00007 // \author fsm 00008 00009 #include "vil_bmp_core_header.h" 00010 00011 #include <vcl_iostream.h> 00012 00013 #include <vil/vil_stream.h> 00014 #include <vil/vil_stream_read.h> 00015 #include <vil/vil_stream_write.h> 00016 00017 vil_bmp_core_header::vil_bmp_core_header() 00018 { 00019 header_size = disk_size; 00020 width = 0; 00021 height = 0; 00022 planes = 1; 00023 bitsperpixel = 8; 00024 } 00025 00026 void vil_bmp_core_header::read(vil_stream *s) 00027 { 00028 header_size = vil_stream_read_little_endian_uint_32(s); 00029 width = vil_stream_read_little_endian_uint_32(s); 00030 height = vil_stream_read_little_endian_uint_32(s); 00031 planes = vil_stream_read_little_endian_uint_16(s); 00032 bitsperpixel = vil_stream_read_little_endian_uint_16(s); 00033 // allowed values for bitsperpixel are 1 4 8 16 24 32; currently we only support 8 and 24 00034 } 00035 00036 void vil_bmp_core_header::write(vil_stream *s) const 00037 { 00038 vil_stream_write_little_endian_uint_32(s, header_size); 00039 vil_stream_write_little_endian_uint_32(s, width); 00040 vil_stream_write_little_endian_uint_32(s, height); 00041 vil_stream_write_little_endian_uint_16(s, planes); 00042 vil_stream_write_little_endian_uint_16(s, bitsperpixel); 00043 } 00044 00045 void vil_bmp_core_header::print(vcl_ostream &s) const 00046 { 00047 s << "vil_bmp_core_header:\n" 00048 << " header_size : " << header_size << vcl_endl 00049 << " width : " << width << vcl_endl 00050 << " height : " << height << vcl_endl 00051 << " planes : " << planes << vcl_endl 00052 << " bitsperpixel : " << bitsperpixel << vcl_endl << vcl_endl; 00053 }
1.7.5.1