PNM( Portable Anymap Format ) AKA Netpbm
- Done and ready for use.
- Implemented: P1, P2, P3, P4, P5, P6
- PBM, PGM and PPM reader and writer
- Header
s only
- One file to include
- One file to handle
- No third parties
- No additional binaries
- Out of the box ready
- No need to recompile or start some install process.
- API Statistics.
- Number of namespaces: 1( one )
- Number of functions: 3 ( three )
- Number of Classes/Structures: 1 ( one )
- Number of operators: 2 ( two )
Load image in to std::vector
std::ifstream ifs( "image.pbm", std::ios_base::binary );
std::vector<std::uint8_t > data;
PNM::Info info;
ifs >> PNM::load( data, info );
if( true == info.valid() )
{
std::cout << "width = " << info.width () << std::endl;
std::cout << "height = " << info.height() << std::endl;
std::cout << "max = " << info.maximum() << std::endl;
std::cout << "channel = " << info.channel() << std::endl;
std::cout << "type = " << (int)info.type() << std::endl;
// data contain valid information
}
// One-liner version.
{ std::ifstream( "image.pbm", std::ios_base::binary ) >> PNM::load( data, info ); }Save image from std::vector
std::ofstream ofs("image1.pbm");
std::vector<std::uint8_t > data;
//< In here fill data with something >
ofs << PNM::save( data, 100, 100, PNM::P1 );
// One-liner version
{ std::ofstream("image2.pbm") << PNM::save( data, 100, 100, PNM::P1 ); }Load data to raw memory by using custom allocator:
std::uint8_t *my_allocator( size_t const& size )
{
return (std::uint8_t *) malloc( size );
}
std::ifstream ifs( "image.pbm", std::ios_base::binary );
std::uint8_t *data;
PNM::Info info;
ifs >> PNM::load( &data, my_allocator, info );
if( true == info.valid() )
{
std::cout << "width = " << info.width () << std::endl;
std::cout << "height = " << info.height() << std::endl;
std::cout << "max = " << info.maximum() << std::endl;
std::cout << "channel = " << info.channel() << std::endl;
std::cout << "type = " << (int)info.type() << std::endl;
// data contain valid information allocated by my_allocator
}
// One-liner version.
{ std::ifstream( "image.pbm", std::ios_base::binary ) >> PNM::load( &data, my_allocator, info ); }Load data from already allocated memory
std::ifstream ifs( "image.pbm", std::ios_base::binary );
std::uint8_t *data = malloc( 100 * 100 * 3 );
PNM::Info info;
ifs >> PNM::load( data, info );
if( true == info.valid() )
{
std::cout << "width = " << info.width () << std::endl;
std::cout << "height = " << info.height() << std::endl;
std::cout << "max = " << info.maximum() << std::endl;
std::cout << "channel = " << info.channel() << std::endl;
std::cout << "type = " << (int)info.type() << std::endl;
// data contain valid information allocated by my_allocator
}
// One-liner version.
{ std::ifstream( "image.pbm", std::ios_base::binary ) >> PNM::load( data, info ); }Save data from raw memory
std::ofstream ofs( "image1.pgm" );
std::uint8_t data[ 100 * 100 ];
//< In here fill data with something >
ofs << PNM::save( data, 100, 100, PNM::P2 );
// One-liner version
{ std::ofstream( "image2.pgm" ) << PNM::save( data, 100, 100, PNM::P2 ); } std::ifstream ifs( "image.pbm", std::ios_base::binary );
PNM::Info info;
ifs >> PNM::probe( info );
if( true == info.valid() )
{
std::cout << "width = " << info.width () << std::endl;
std::cout << "height = " << info.height() << std::endl;
std::cout << "max = " << info.maximum() << std::endl;
std::cout << "channel = " << info.channel() << std::endl;
std::cout << "type = " << (int)info.type() << std::endl;
}
// One-liner version
{ std::ifstream( "image.pbm" )>> PNM::probe( info ); }
- Clone this Repository:
Examples:
- Inform compiler where to find headers:
Examples:
- MSVC : /Ic:\my-work-folder\my-git-folder\PNM\src
- gcc : -I/home/my-user-name/my-work-folder/my-git-folder/PNM/src
- gcc 6.4.0
- MSVC 2015
- MSVC 2017
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