//

// Copyright 2005-2007 Adobe Systems Incorporated

//

// Distributed under the Boost Software License, Version 1.0

// See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt

//

#include <boost/gil.hpp>

#include <boost/gil/extension/io/jpeg.hpp>

#include <boost/gil/extension/numeric/sampler.hpp>

#include <boost/gil/extension/numeric/resample.hpp>

// Demonstrates how to scale an image using bilinear sampling

// This example relies on the function resize_view(), available in include/boost/gil/extension/numeric/resample.hpp,

// to apply the resampling.

// This example demonstrates bilinear sampling; include/boost/gil/extension/numeric/sample.hpp also offers nearest-neighbour sampling.

int main()

{

namespace bg = boost::gil;

bg::rgb8_image_t img;

bg::read_image("test.jpg", img, bg::jpeg_tag{});

// test resize_view

// Scale the image to 100x100 pixels using bilinear resampling

bg::rgb8_image_t square100x100(100, 100);

bg::resize_view(bg::const_view(img), bg::view(square100x100), bg::bilinear_sampler{});

bg::write_view("out-resize.jpg", bg::const_view(square100x100), bg::jpeg_tag{});

return 0;

}