/* 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; }