channels.tests.cpp

Go to the documentation of this file.

#include <boost/test/included/unit_test.hpp>

#include <channels.hpp>
#include <fill.hpp>

using boost::unit_test::test_suite;
using namespace boost::gil;

//g++ channels.tests.cpp -I /home/scott/project/boost_1_36_0 -I .

struct test1
{
        void operator()()
        {
                int width = 200;
                int height = 200;
                unsigned char* buffer = new unsigned char[width * height * 3];
                memset(buffer, 255, width * height * 3);        
                rgb8_view_t view = interleaved_view(width,height,(rgb8_pixel_t*)buffer,width*3);

                typedef boost::function<void (rgb8_view_t&)> layer_t;
                typedef layer::fill<rgb8_view_t> fill_t;

                layer_t a[] = 
                {
                        fill_t(rgb8_view_t::value_type(255,0,255)),
                        fill_t(rgb8_view_t::value_type(255,0,0)),
                        fill_t(rgb8_view_t::value_type(0,0,255)),
                        fill_t(rgb8_view_t::value_type(255,0,0)),
                        fill_t(rgb8_view_t::value_type(100,0,255)),
                        fill_t(rgb8_view_t::value_type(100,0,100)),
                };

                layer::horizontal_channels<rgb8_view_t> channels(a,6,3);
                channels(view);
                
                FILE* fd = fopen("channels.ppm", "wb");
                fprintf(fd, "P6\n# CREATOR: reportbase\n%d %d\n255\n", width, height);
                fwrite(buffer, 1, width*height*3, fd);
                fclose(fd);
                delete [] buffer;
        }
};

struct test2
{
        void operator()()
        {
                channels curr(100,3);

                double a[] = {0,49,99};

                int n = 0;
                for(; curr; ++curr, n++)
                {
                        BOOST_CHECK(a[n] == *curr);
                }
        }
};

test_suite* init_unit_test_suite( int argc, char** argv)
{
        test_suite* test= BOOST_TEST_SUITE( "channels tests" );
        test->add( BOOST_TEST_CASE(test1()), 0);
        test->add( BOOST_TEST_CASE(test2()), 0);
        return test;
}