| /* |
| Copyright 2005-2007 Adobe Systems Incorporated |
| |
| 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). |
| |
| See http://opensource.adobe.com/gil for most recent version including documentation. |
| */ |
| |
| /*************************************************************************************************/ |
| |
| /// \file |
| /// \brief Example file to demonstrate how to create a model of a pixel iterator |
| /// \author Lubomir Bourdev and Hailin Jin |
| /// \date February 27, 2007 |
| |
| #ifdef WIN32 |
| #define _CRT_SECURE_NO_DEPRECATE 1 |
| #pragma warning(disable : 4244) // |
| #pragma warning(disable : 4996) // MSFT declared it deprecated |
| #endif |
| |
| // gcc doesn't compile unless we forward-declare at_c before we include gil... |
| namespace boost { namespace gil { |
| template <typename ChannelReference, typename Layout> struct interleaved_ref; |
| template <typename ColorBase> struct element_reference_type; |
| |
| template <int K, typename ChannelReference, typename Layout> |
| typename element_reference_type<interleaved_ref<ChannelReference,Layout> >::type |
| at_c(const interleaved_ref<ChannelReference,Layout>& p); |
| } } |
| |
| #include <iostream> |
| #include <boost/gil/extension/io/jpeg_dynamic_io.hpp> |
| #include "interleaved_ptr.hpp" |
| |
| int main(int argc, unsigned char* argv[]) |
| { |
| using namespace boost::gil; |
| |
| typedef interleaved_ptr<unsigned char*, rgb_layout_t> rgb8_interleaved_ptr; |
| typedef interleaved_ptr<const unsigned char*, rgb_layout_t> rgb8c_interleaved_ptr; |
| |
| boost::function_requires<MutablePixelIteratorConcept<rgb8_interleaved_ptr> >(); |
| boost::function_requires<PixelIteratorConcept<rgb8c_interleaved_ptr> >(); |
| boost::function_requires<MemoryBasedIteratorConcept<memory_based_step_iterator<rgb8_interleaved_ptr> > >(); |
| |
| boost::function_requires<MutablePixelConcept<rgb8_interleaved_ptr::value_type> >(); |
| boost::function_requires<PixelConcept<rgb8c_interleaved_ptr::value_type> >(); |
| |
| typedef type_from_x_iterator<rgb8_interleaved_ptr >::view_t rgb8_interleaved_view_t; |
| typedef type_from_x_iterator<rgb8c_interleaved_ptr>::view_t rgb8c_interleaved_view_t; |
| |
| boost::function_requires<MutableImageViewConcept<rgb8_interleaved_view_t> >(); |
| boost::function_requires<ImageViewConcept<rgb8c_interleaved_view_t> >(); |
| |
| rgb8_image_t img; |
| jpeg_read_image("test.jpg", img); |
| |
| // Get a raw pointer to the RGB buffer |
| unsigned char* raw_ptr=&view(img)[0][0]; |
| |
| // Construct a view from it, without casting it to rgb8_pixel_t* |
| rgb8_interleaved_view_t src_view=interleaved_view(img.width(),img.height(),rgb8_interleaved_ptr(raw_ptr), |
| view(img).pixels().row_size()); |
| |
| // Apply view transformations and algorithms on it |
| jpeg_write_view("out-interleaved_ptr.jpg",nth_channel_view(flipped_up_down_view(src_view),1)); |
| |
| return 0; |
| } |
| |
| |