214 lines
8.5 KiB
C++
214 lines
8.5 KiB
C++
//
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// Copyright 2013 Christian Henning
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/gil.hpp>
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#include <boost/gil/extension/io/targa.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include "paths.hpp"
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#include "scanline_read_test.hpp"
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#include "test_utility_output_stream.hpp"
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namespace gil = boost::gil;
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template <typename Image>
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void test_targa_scanline_reader(std::string filename)
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{
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test_scanline_reader<Image, gil::targa_tag>(std::string(targa_in + filename).c_str());
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}
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template <typename Image>
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void write(Image& img, std::string const& file_name)
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{
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gil::write_view(targa_out + file_name, gil::view(img), gil::targa_tag());
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}
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void test_read_header()
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{
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using backend_t = gil::get_reader_backend<std::string const, gil::targa_tag>::type;
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backend_t backend = gil::read_image_info(targa_filename, gil::targa_tag());
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BOOST_TEST_EQ(backend._info._header_size, 18);
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BOOST_TEST_EQ(backend._info._offset, 18);
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BOOST_TEST_EQ(backend._info._color_map_type, 0);
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BOOST_TEST_EQ(backend._info._image_type, 10);
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BOOST_TEST_EQ(backend._info._color_map_start, 0);
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BOOST_TEST_EQ(backend._info._color_map_length, 0);
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BOOST_TEST_EQ(backend._info._color_map_depth, 0);
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BOOST_TEST_EQ(backend._info._x_origin, 0);
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BOOST_TEST_EQ(backend._info._y_origin, 0);
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BOOST_TEST_EQ(backend._info._width, 124);
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BOOST_TEST_EQ(backend._info._height, 124);
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BOOST_TEST_EQ(backend._info._bits_per_pixel, 24);
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BOOST_TEST_EQ(backend._info._descriptor, 0);
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}
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void test_read_reference_images()
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{
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// 24BPP_compressed.tga
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{
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gil::rgb8_image_t img;
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gil::read_image(targa_in + "24BPP_compressed.tga", img, gil::targa_tag());
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typename gil::rgb8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgb8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgb8_pixel_t(248, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgb8_pixel_t(0, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgb8_pixel_t(248, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgb8_pixel_t(248, 0, 248));
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write(img, "24BPP_compressed_out.tga");
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}
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// 24BPP_uncompressed.tga
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{
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gil::rgb8_image_t img;
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gil::read_image(targa_in + "24BPP_uncompressed.tga", img, gil::targa_tag());
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typename gil::rgb8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgb8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgb8_pixel_t(248, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgb8_pixel_t(0, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgb8_pixel_t(248, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgb8_pixel_t(248, 0, 248));
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write(img, "24BPP_uncompressed_out.tga");
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test_targa_scanline_reader<gil::bgr8_image_t>("24BPP_uncompressed.tga");
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}
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// 32BPP_compressed.tga
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{
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gil::rgba8_image_t img;
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gil::read_image(targa_in + "32BPP_compressed.tga", img, gil::targa_tag());
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typename gil::rgba8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgba8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgba8_pixel_t(248, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgba8_pixel_t(0, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgba8_pixel_t(0, 0, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgba8_pixel_t(248, 0, 248, 255));
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write(img, "32BPP_compressed_out.tga");
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}
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// 32BPP_uncompressed.tga
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{
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gil::rgba8_image_t img;
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gil::read_image(targa_in + "32BPP_uncompressed.tga", img, gil::targa_tag());
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typename gil::rgba8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgba8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgba8_pixel_t(248, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgba8_pixel_t(0, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgba8_pixel_t(0, 0, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgba8_pixel_t(248, 0, 248, 255));
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write(img, "32BPP_uncompressed_out.tga");
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test_targa_scanline_reader<gil::bgra8_image_t>("32BPP_uncompressed.tga");
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}
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// 24BPP_compressed_ul_origin.tga
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{
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gil::rgb8_image_t img;
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gil::read_image(targa_in + "24BPP_compressed_ul_origin.tga", img, gil::targa_tag());
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typename gil::rgb8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgb8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgb8_pixel_t(248, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgb8_pixel_t(0, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgb8_pixel_t(248, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgb8_pixel_t(248, 0, 248));
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write(img, "24BPP_compressed_ul_origin_out.tga");
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}
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// 24BPP_uncompressed_ul_origin.tga
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{
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gil::rgb8_image_t img;
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gil::read_image(targa_in + "24BPP_uncompressed_ul_origin.tga", img, gil::targa_tag());
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typename gil::rgb8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgb8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgb8_pixel_t(248, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgb8_pixel_t(0, 0, 248));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgb8_pixel_t(248, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgb8_pixel_t(248, 0, 248));
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write(img, "24BPP_uncompressed_ul_origin_out.tga");
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}
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// 32BPP_compressed_ul_origin.tga
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{
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gil::rgba8_image_t img;
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gil::read_image(targa_in + "32BPP_compressed_ul_origin.tga", img, gil::targa_tag());
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typename gil::rgba8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgba8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgba8_pixel_t(248, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgba8_pixel_t(0, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgba8_pixel_t(0, 0, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgba8_pixel_t(248, 0, 248, 255));
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write(img, "32BPP_compressed_ul_origin_out.tga");
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}
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// 32BPP_uncompressed_ul_origin.tga
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{
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gil::rgba8_image_t img;
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gil::read_image(targa_in + "32BPP_uncompressed_ul_origin.tga", img, gil::targa_tag());
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typename gil::rgba8_image_t::x_coord_t width = gil::view(img).width();
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typename gil::rgba8_image_t::y_coord_t height = gil::view(img).height();
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BOOST_TEST_EQ(width, 124);
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BOOST_TEST_EQ(height, 124);
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BOOST_TEST_EQ(gil::view(img)(0, 0), gil::rgba8_pixel_t(248, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(width - 1, 0), gil::rgba8_pixel_t(0, 0, 248, 255));
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BOOST_TEST_EQ(gil::view(img)(0, height - 1), gil::rgba8_pixel_t(0, 0, 0, 0));
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BOOST_TEST_EQ(gil::view(img)(width - 1, height - 1), gil::rgba8_pixel_t(248, 0, 248, 255));
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write(img, "32BPP_uncompressed_ul_origin_out.tga");
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}
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}
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void test_partial_image()
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{
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std::string const filename(targa_in + "24BPP_compressed.tga");
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gil::rgb8_image_t img;
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gil::read_image(
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filename, img,
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gil::image_read_settings<gil::targa_tag>(gil::point_t(0, 0), gil::point_t(50, 50)));
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gil::write_view(targa_out + "targa_partial.tga", gil::view(img), gil::targa_tag());
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}
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int main()
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{
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test_read_header();
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test_read_reference_images();
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return boost::report_errors();
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}
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