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Port TuttleOFX extension : pattern #581

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Port TuttleOFX extension : pattern #581

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2b550c2
Added all standard morphological transformations
meshtag Jan 12, 2021
48436fc
Improved comments and some other things
meshtag Jan 14, 2021
14900be
Applied adviced changes
meshtag Jan 17, 2021
53d92b2
Applied adviced changes
meshtag Jan 17, 2021
6ac3102
Should handle grayscale dilation/erosion
meshtag Jan 20, 2021
7e779a9
Checking
meshtag Jan 21, 2021
3aa5d7c
Merge remote-tracking branch 'upstream/develop' into develop
meshtag Jan 24, 2021
73580e1
Merge branch 'develop' of https://github.com/boostorg/gil into develop
meshtag Jan 28, 2021
bcfce0b
Merge branch 'develop' of https://github.com/boostorg/gil into tuttle…
meshtag Mar 11, 2021
d7a3e88
Port TuttleOFX pattern extension
meshtag Mar 12, 2021
4c06300
Remove unnecessary namespace resolution
meshtag Mar 18, 2021
368ada5
Use better variable types
meshtag Mar 18, 2021
e14ce81
Improve error catching mechanism
meshtag Mar 18, 2021
f7ef520
Improve formatting
meshtag Mar 24, 2021
17fdd4e
Merge branch 'develop' of https://github.com/boostorg/gil into Tuttle…
meshtag Apr 10, 2021
216f956
Modified as per first review and compiler warnings suppression
meshtag Apr 10, 2021
ae8d9bb
Improve variable handling
meshtag Apr 10, 2021
1284963
Provide alphabetical ordering in build instruction files
meshtag Apr 15, 2021
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1 change: 1 addition & 0 deletions include/boost/gil/extension/toolbox/metafunctions.hpp
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Expand Up @@ -16,5 +16,6 @@
#include <boost/gil/extension/toolbox/metafunctions/is_homogeneous.hpp>
#include <boost/gil/extension/toolbox/metafunctions/is_similar.hpp>
#include <boost/gil/extension/toolbox/metafunctions/pixel_bit_size.hpp>
#include <boost/gil/extension/toolbox/metafunctions/pattern.hpp>

#endif
64 changes: 64 additions & 0 deletions include/boost/gil/extension/toolbox/metafunctions/pattern.hpp
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@@ -0,0 +1,64 @@
// Copyright Tom Brinkman 2008. 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)

#ifndef _pattern_hpp_
#define _pattern_hpp_
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#include <boost/gil.hpp>

namespace boost { namespace gil {

/// \brief Repeatedly copies smaller image view passed through the struct constructor in subimage
/// views of the larger image view passed through overloaded '()' operator.
template <typename view_t>
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struct pattern
{
view_t v2;
pattern(view_t v2)
: v2(v2)
{
}

void operator()(view_t& view)
{
using namespace boost::gil;
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std::size_t h = v2.height(), w = v2.width();
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// For ensuring that view passed through '()' operator has dimensions greater than or
// equal to the dimensions of view passed through constructor.
if (h > view.height() || w > view.width())
{
throw std::length_error("Image view passed through overloaded '()' operator must have"
" dimensions greater than or equal to the dimensions of image view passed through"
" struct constructor");
}

for (std::ptrdiff_t x = 0; x < view.width(); x += w)
{
for (std::ptrdiff_t y = 0; y < view.height(); y += h)
{
std::ptrdiff_t aw = w;
if (x + w > view.width())
{
std::ptrdiff_t t = x + w - view.width();
aw = w - t;
}

std::ptrdiff_t ah = h;
if (y + h > view.height())
{
std::ptrdiff_t t = y + h - view.height();
ah = h - t;
}

view_t v3 = subimage_view(view, x, y, aw, ah);
view_t v4 = subimage_view(v2, 0, 0, aw, ah);
copy_pixels(v4, v3);
}
}
}
}; // pattern
}} // namespace boost::gil
#endif
3 changes: 2 additions & 1 deletion test/extension/toolbox/CMakeLists.txt
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Expand Up @@ -24,7 +24,8 @@ foreach(_name
is_bit_aligned
is_homogeneous
pixel_bit_size
subchroma_image)
subchroma_image
pattern)
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set(_test t_ext_toolbox_${_name})
set(_target test_ext_toolbox_${_name})

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1 change: 1 addition & 0 deletions test/extension/toolbox/Jamfile
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Expand Up @@ -27,6 +27,7 @@ run color_convert_lab.cpp ;
run color_convert_luminance.cpp ;
run color_convert_xyz.cpp ;
run indexed_image.cpp ;
run pattern.cpp ;

# TODO: Add subchroma_image.cpp after fixing run-time failure,
# for details see https://github.com/boostorg/gil/pull/164
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237 changes: 237 additions & 0 deletions test/extension/toolbox/pattern.cpp
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@@ -0,0 +1,237 @@
//
// Copyright 2021 Prathamesh Tagore <[email protected]>
//
// Use, modification and distribution are subject to 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)
//

// Reference for test case was taken from
// https://github.com/tuttleofx/TuttleOFX/blob/develop/libraries/boostHack/boost/gil/extension/toolbox/pattern.tests.cpp

#include <boost/gil/extension/toolbox/metafunctions.hpp>
#include <boost/core/lightweight_test.hpp>
#include <vector>

namespace gil = boost::gil;

// This function helps us fill pixels of a rgb view given as 2nd argument with
// elements of the vector given as 1st argument.
void pixel_fill_rgb(std::vector<std::vector<std::vector<int>>>& vec,
gil::rgb8_image_t& img)
{
for (std::ptrdiff_t view_row = 0; view_row < view(img).height(); ++view_row)
{
for (std::ptrdiff_t view_col = 0; view_col < view(img).width(); ++view_col)
{
gil::view(img)(view_col, view_row) = gil::rgb8_pixel_t(vec[view_row][view_col][0],
vec[view_row][view_col][1], vec[view_row][view_col][2]);
}
}
}

int main()
{
std::vector<std::vector<std::vector<int>>> original_img_vector {
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}}
};

std::vector<std::vector<std::vector<int>>> expected_img_vector {
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0} ,{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, { 0, 0, 0}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0}, { 0, 0, 0},
{ 0, 0, 0}, { 0, 0, 0}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}},
{{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255}, {255, 255, 255},
{255, 255, 255}, {255, 255, 255}, {255, 255, 255}}
};

gil::rgb8_image_t original_img(16, 16), expected_img(33, 17), obtained_img(33, 17);
gil::rgb8_view_t original_img_view = gil::view(original_img);
gil::rgb8_view_t obtained_img_view = gil::view(obtained_img);

pixel_fill_rgb(original_img_vector, original_img);
pixel_fill_rgb(expected_img_vector, expected_img);

gil::pattern<gil::rgb8_view_t> pattern(original_img_view);
pattern(obtained_img_view);

BOOST_TEST(gil::equal_pixels(obtained_img_view, gil::view(expected_img)));

return boost::report_errors();
}