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tiff io: test paletted (aka colormapped) tiff

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Dane Springmeyer 2014-12-09 01:15:09 -05:00
parent 36d7e455ed
commit 4e671fd0e9
3 changed files with 60 additions and 0 deletions
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60
tests/cxx/tiff_io.cpp
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@ -53,6 +53,66 @@
TEST_CASE("tiff io") {
SECTION("scan rgb8 striped") {
std::string filename("./tests/data/tiff/scan_512x512_rgb8_striped.tif");
mapnik::tiff_reader<boost::iostreams::file_source> tiff_reader(filename);
REQUIRE( tiff_reader.width() == 512 );
REQUIRE( tiff_reader.height() == 512 );
REQUIRE( tiff_reader.planar_config() == PLANARCONFIG_CONTIG );
REQUIRE( tiff_reader.rows_per_strip() == 16 );
REQUIRE( tiff_reader.bits_per_sample() == 8 );
REQUIRE( tiff_reader.is_tiled() == false );
REQUIRE( tiff_reader.tile_width() == 0 );
REQUIRE( tiff_reader.tile_height() == 0 );
REQUIRE( tiff_reader.photometric() == PHOTOMETRIC_PALETTE );
REQUIRE( tiff_reader.compression() == COMPRESSION_NONE );
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename,"tiff"));
REQUIRE( reader->width() == 512 );
REQUIRE( reader->height() == 512 );
mapnik::util::file file(filename);
mapnik::tiff_reader<boost::iostreams::array_source> tiff_reader2(file.data().get(),file.size());
REQUIRE( tiff_reader2.width() == 512 );
REQUIRE( tiff_reader2.height() == 512 );
std::unique_ptr<mapnik::image_reader> reader2(mapnik::get_image_reader(file.data().get(),file.size()));
REQUIRE( reader2->width() == 512 );
REQUIRE( reader2->height() == 512 );
mapnik::image_data_any data = reader->read(0, 0, reader->width(), reader->height());
REQUIRE( data.is<mapnik::image_data_rgba8>() == true );
TIFF_ASSERT_SIZE( data,reader );
TIFF_ASSERT_NO_ALPHA
TIFF_READ_ONE_PIXEL
}
SECTION("scan rgb8 tiled") {
std::string filename("./tests/data/tiff/scan_512x512_rgb8_tiled.tif");
mapnik::tiff_reader<boost::iostreams::file_source> tiff_reader(filename);
REQUIRE( tiff_reader.width() == 512 );
REQUIRE( tiff_reader.height() == 512 );
REQUIRE( tiff_reader.planar_config() == PLANARCONFIG_CONTIG );
REQUIRE( tiff_reader.rows_per_strip() == 0 );
REQUIRE( tiff_reader.bits_per_sample() == 8 );
REQUIRE( tiff_reader.is_tiled() == true );
REQUIRE( tiff_reader.tile_width() == 256 );
REQUIRE( tiff_reader.tile_height() == 256 );
REQUIRE( tiff_reader.photometric() == PHOTOMETRIC_PALETTE );
REQUIRE( tiff_reader.compression() == COMPRESSION_LZW );
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename,"tiff"));
REQUIRE( reader->width() == 512 );
REQUIRE( reader->height() == 512 );
mapnik::util::file file(filename);
mapnik::tiff_reader<boost::iostreams::array_source> tiff_reader2(file.data().get(),file.size());
REQUIRE( tiff_reader2.width() == 512 );
REQUIRE( tiff_reader2.height() == 512 );
std::unique_ptr<mapnik::image_reader> reader2(mapnik::get_image_reader(file.data().get(),file.size()));
REQUIRE( reader2->width() == 512 );
REQUIRE( reader2->height() == 512 );
mapnik::image_data_any data = reader->read(0, 0, reader->width(), reader->height());
REQUIRE( data.is<mapnik::image_data_rgba8>() == true );
TIFF_ASSERT_SIZE( data,reader );
TIFF_ASSERT_NO_ALPHA
TIFF_READ_ONE_PIXEL
}
SECTION("rgba8 striped") {
TIFF_ASSERT("./tests/data/tiff/ndvi_256x256_rgba8_striped.tif")
REQUIRE( tiff_reader.rows_per_strip() == 1 );

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tests/data/tiff/scan_512x512_rgb8_striped.tif Normal file
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tests/data/tiff/scan_512x512_rgb8_tiled.tif Normal file
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