sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implementing < and == operators in image

Browse source
This commit is contained in:
Blake Thompson 2015-03-19 13:42:17 -05:00
parent 5c65dadd72
commit 454398985c
3 changed files with 18 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
include/mapnik/image.hpp
View file

@ -94,6 +94,8 @@ public:
image(image<T> && rhs) noexcept;
image<T>& operator=(image<T> rhs);
image<T>const& operator=(image<T> const& rhs) const;
bool operator==(image<T> const& rhs) const;
bool operator<(image<T> const& rhs) const;
void swap(image<T> & rhs);
pixel_type& operator() (std::size_t i, std::size_t j);

16
include/mapnik/image_impl.hpp
View file

@ -20,9 +20,6 @@
*
*****************************************************************************/
#ifndef MAPNIK_IMAGE_IMPL_HPP
#define MAPNIK_IMAGE_IMPL_HPP
// mapnik
#include <mapnik/image.hpp>
@ -134,6 +131,18 @@ image<T> const& image<T>::operator=(image<T> const& rhs) const
return rhs;
}
template <typename T>
bool image<T>::operator==(image<T> const& rhs) const
{
return rhs.getBytes() == getBytes();
}
template <typename T>
bool image<T>::operator<(image<T> const& rhs) const
{
return getSize() < rhs.getSize();
}
template <typename T>
void image<T>::swap(image<T> & rhs)
{
@ -314,4 +323,3 @@ inline image_dtype image<T>::get_dtype() const
} // end ns
#endif // MAPNIK_IMAGE_IMPL_HPP

5
include/mapnik/image_null.hpp
View file

@ -25,7 +25,6 @@
// mapnik
#include <mapnik/config.hpp>
//#include <mapnik/image.hpp>
#include <mapnik/pixel_types.hpp>
//stl
@ -50,6 +49,10 @@ public:
bool painted = false) {}
image(image<null_t> const& rhs) {}
image(image<null_t> && rhs) noexcept {}
image<null_t>& operator=(image<null_t> rhs) { return *this; }
image<null_t>const& operator=(image<null_t> const& rhs) const { return rhs; }
bool operator==(image<null_t> const& rhs) const { return true; }
bool operator<(image<null_t> const& rhs) const { return false; }
std::size_t width() const { return 0; }
std::size_t height() const { return 0; }