2 // Copyright 2005-2007 Adobe Systems Incorporated
4 // Distributed under the Boost Software License, Version 1.0
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
9 #define _CRT_SECURE_NO_DEPRECATE 1
10 #pragma warning(disable : 4244) //
11 #pragma warning(disable : 4996) // MSFT declared it deprecated
14 // Example file to demonstrate how to create a model of a pixel iterator
16 // FIXME: Review and remove if possible: gcc doesn't compile unless we forward-declare at_c before we include gil...
17 namespace boost
{ namespace gil
{
18 template <typename ChannelReference
, typename Layout
> struct interleaved_ref
;
19 template <typename ColorBase
> struct element_reference_type
;
21 template <int K
, typename ChannelReference
, typename Layout
>
22 typename element_reference_type
<interleaved_ref
<ChannelReference
,Layout
>>::type
23 at_c(const interleaved_ref
<ChannelReference
,Layout
>& p
);
26 #include <boost/gil.hpp>
27 #include <boost/gil/extension/io/jpeg.hpp>
31 #include "interleaved_ptr.hpp"
33 int main(int argc
, char* argv
[])
35 using namespace boost::gil
;
37 using rgb8_interleaved_ptr
= interleaved_ptr
<unsigned char*, rgb_layout_t
>;
38 using rgb8c_interleaved_ptr
= interleaved_ptr
<unsigned char const*, rgb_layout_t
>;
40 boost::function_requires
<MutablePixelIteratorConcept
<rgb8_interleaved_ptr
>>();
41 boost::function_requires
<PixelIteratorConcept
<rgb8c_interleaved_ptr
>>();
42 boost::function_requires
<MemoryBasedIteratorConcept
<memory_based_step_iterator
<rgb8_interleaved_ptr
>> >();
44 boost::function_requires
<MutablePixelConcept
<rgb8_interleaved_ptr::value_type
>>();
45 boost::function_requires
<PixelConcept
<rgb8c_interleaved_ptr::value_type
>>();
47 using rgb8_interleaved_view_t
= type_from_x_iterator
<rgb8_interleaved_ptr
>::view_t
;
48 using rgb8c_interleaved_view_t
= type_from_x_iterator
<rgb8c_interleaved_ptr
>::view_t
;
50 boost::function_requires
<MutableImageViewConcept
<rgb8_interleaved_view_t
>>();
51 boost::function_requires
<ImageViewConcept
<rgb8c_interleaved_view_t
>>();
54 read_image("test.jpg", img
, jpeg_tag
{});
56 // Get a raw pointer to the RGB buffer
57 unsigned char* raw_ptr
=&view(img
)[0][0];
59 // Construct a view from it, without casting it to rgb8_pixel_t*
60 rgb8_interleaved_view_t src_view
=interleaved_view(img
.width(),img
.height(),rgb8_interleaved_ptr(raw_ptr
),
61 view(img
).pixels().row_size());
63 // Apply view transformations and algorithms on it
64 write_view("out-interleaved_ptr.jpg",nth_channel_view(flipped_up_down_view(src_view
),1), jpeg_tag
{});