mapnik/test/unit/imaging/image_set_pixel.cpp

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#include "catch.hpp"
// mapnik
#include <mapnik/image_any.hpp>
#include <mapnik/image_view_any.hpp>
#include <mapnik/color.hpp>
#include <mapnik/image_util.hpp>
TEST_CASE("image set_pixel") {
SECTION("test gray32") {
mapnik::image_gray32 im(256,256);
mapnik::set_pixel(im, 0, 0, -1);
auto pixel = mapnik::get_pixel<mapnik::image_gray32::pixel_type>(im, 0, 0);
INFO( pixel );
CHECK( pixel == 0 );
}
SECTION("test gray8s") {
mapnik::image_gray8s im(256,256);
mapnik::set_pixel(im, 0, 0, std::numeric_limits<mapnik::image_gray8s::pixel_type>::max()+1);
auto pixel = mapnik::get_pixel<mapnik::image_gray8s::pixel_type>(im, 0, 0);
INFO( pixel );
CHECK( (int)pixel == (int)std::numeric_limits<mapnik::image_gray8s::pixel_type>::max() );
}
}