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image_io_test : add basic save options tests

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This commit is contained in:
artemp 2016-01-20 13:39:32 +01:00
parent 2db9818ab9
commit c36ae3964a
1 changed files with 24 additions and 11 deletions
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35
test/unit/imaging/image_io_test.cpp
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@ -122,37 +122,50 @@ SECTION("image_util : save_to_file/save_to_stream/save_to_string")
std::string named_color = "lightblue";
mapnik::fill(im, mapnik::color(named_color).rgba());
////////////////////////////////////////////////////
std::vector<std::string> supported_types;
std::vector<std::tuple<std::string, std::string> > supported_types;
#if defined(HAVE_PNG)
supported_types.push_back("png");
supported_types.push_back(std::make_tuple("png","png"));
supported_types.push_back(std::make_tuple("png","png24"));
supported_types.push_back(std::make_tuple("png","png32"));
supported_types.push_back(std::make_tuple("png","png8"));
supported_types.push_back(std::make_tuple("png","png256"));
#endif
#if defined(HAVE_JPEG)
supported_types.push_back("jpeg");
supported_types.push_back(std::make_tuple("jpeg","jpeg"));
supported_types.push_back(std::make_tuple("jpeg","jpeg80"));
supported_types.push_back(std::make_tuple("jpeg","jpeg90"));
#endif
#if defined(HAVE_TIFF)
supported_types.push_back("tiff");
supported_types.push_back(std::make_tuple("tiff","tiff"));
#endif
#if defined(HAVE_WEBP)
supported_types.push_back("webp");
supported_types.push_back(std::make_tuple("webp","webp"));
#endif
for (auto const& type : supported_types)
for (auto const& info : supported_types)
{
std::string filename = (boost::format("/tmp/mapnik-%1%.%2%") % named_color % type).str();
std::string extension;
std::string format;
std::tie(extension, format) = info;
std::string filename = (boost::format("/tmp/mapnik-%1%.%2%") % named_color % extension).str();
mapnik::save_to_file(im, filename);
std::string str = mapnik::save_to_string(im, type);
std::string str = mapnik::save_to_string(im, format);
std::ostringstream ss;
mapnik::save_to_stream(im, ss, type);
mapnik::save_to_stream(im, ss, format);
CHECK(str.length() == ss.str().length());
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename,type));
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename, extension));
unsigned w = reader->width();
unsigned h = reader->height();
auto im2 = reader->read(0, 0, w, h);
CHECK(im2.size() == im.size());
if (type == "png" || type == "tiff")
if (format == "png" || format == "tiff")
{
CHECK(0 == std::memcmp(im2.bytes(), im.bytes(), im.width() * im.height()));
}
if (mapnik::util::exists(filename))
{
mapnik::util::remove(filename);
}
}
}
} // END TEST_CASE