ceph/src/boost/libs/gil/example/resize.cpp

   1 /*
   2     Copyright 2005-2007 Adobe Systems Incorporated
   3
   4     Use, modification and distribution are subject to the Boost Software License,
   5     Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6     http://www.boost.org/LICENSE_1_0.txt).
   7
   8     See http://opensource.adobe.com/gil for most recent version including documentation.
   9 */
  10
  11 /*************************************************************************************************/
  12
  13 /// \file
  14 /// \brief Test file for resize_view() in the numeric extension
  15 /// \author Lubomir Bourdev and Hailin Jin
  16 /// \date February 27, 2007
  17
  18 ///////////////////////
  19 ////  NOTE: This sample file uses the numeric extension, which does not come with the Boost distribution.
  20 ////  You may download it from http://opensource.adobe.com/gil
  21 ///////////////////////
  22
  23 #include <boost/gil/image.hpp>
  24 #include <boost/gil/typedefs.hpp>
  25 #include <boost/gil/extension/io/jpeg_io.hpp>
  26 #include <boost/gil/extension/numeric/sampler.hpp>
  27 #include <boost/gil/extension/numeric/resample.hpp>
  28
  29 int main() {
  30     using namespace boost::gil;
  31
  32     rgb8_image_t img;
  33     jpeg_read_image("test.jpg",img);
  34
  35     // test resize_view
  36     // Scale the image to 100x100 pixels using bilinear resampling
  37     rgb8_image_t square100x100(100,100);
  38     resize_view(const_view(img), view(square100x100), bilinear_sampler());
  39     jpeg_write_view("out-resize.jpg",const_view(square100x100));
  40
  41     return 0;
  42 }