36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#ifndef MAPNIK_COMPARE_IMAGES_HPP
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#define MAPNIK_COMPARE_IMAGES_HPP
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#include <mapnik/image.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/image_reader.hpp>
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namespace benchmark {
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bool compare_images(std::string const& src_fn,std::string const& dest_fn)
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{
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std::unique_ptr<mapnik::image_reader> reader1(mapnik::get_image_reader(dest_fn,"png"));
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if (!reader1.get())
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{
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throw mapnik::image_reader_exception("Failed to load: " + dest_fn);
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}
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std::unique_ptr<mapnik::image_reader> reader2(mapnik::get_image_reader(src_fn,"png"));
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if (!reader2.get())
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{
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throw mapnik::image_reader_exception("Failed to load: " + src_fn);
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}
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const mapnik::image_any desc_any = reader1->read(0,0,reader1->width(), reader1->height());
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const mapnik::image_any src_any = reader2->read(0,0,reader2->width(), reader2->height());
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mapnik::image_rgba8 const& dest = mapnik::util::get<mapnik::image_rgba8>(desc_any);
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mapnik::image_rgba8 const& src = mapnik::util::get<mapnik::image_rgba8>(src_any);
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return compare(dest, src, 0, true) == 0;
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}
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}
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#endif // MAPNIK_COMPARE_IMAGES_HPP
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