34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
//
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// Copyright 2005-2007 Adobe Systems Incorporated
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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/jpeg.hpp>
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#include <boost/gil/extension/numeric/sampler.hpp>
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#include <boost/gil/extension/numeric/resample.hpp>
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// Demonstrates how to scale an image using bilinear sampling
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// This example relies on the function resize_view(), available in include/boost/gil/extension/numeric/resample.hpp,
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// to apply the resampling.
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// This example demonstrates bilinear sampling; include/boost/gil/extension/numeric/sample.hpp also offers nearest-neighbour sampling.
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int main()
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{
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namespace bg = boost::gil;
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bg::rgb8_image_t img;
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bg::read_image("test.jpg", img, bg::jpeg_tag{});
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// test resize_view
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// Scale the image to 100x100 pixels using bilinear resampling
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bg::rgb8_image_t square100x100(100, 100);
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bg::resize_view(bg::const_view(img), bg::view(square100x100), bg::bilinear_sampler{});
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bg::write_view("out-resize.jpg", bg::const_view(square100x100), bg::jpeg_tag{});
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return 0;
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}
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