| png++ 0.2.10
    | 
The basic class template to represent image pixel data. More...
#include <pixel_buffer.hpp>
| Public Types | |
| typedef row | row_type | 
| A row of pixel data. | |
| typedef row_type & | row_access | 
| typedef row_type const & | row_const_access | 
| typedef traits | row_traits | 
| Public Member Functions | |
| basic_pixel_buffer () | |
| Constructs an empty 0x0 pixel buffer object. | |
| basic_pixel_buffer (uint_32 width, uint_32 height) | |
| Constructs an empty pixel buffer object. | |
| uint_32 | get_width () const | 
| uint_32 | get_height () const | 
| void | resize (uint_32 width, uint_32 height) | 
| Resizes the pixel buffer. | |
| row_access | get_row (size_t index) | 
| Returns a reference to the row of image data at specified index. | |
| row_const_access | get_row (size_t index) const | 
| Returns a const reference to the row of image data at specified index. | |
| row_access | operator[] (size_t index) | 
| The non-checking version of get_row() method. | |
| row_const_access | operator[] (size_t index) const | 
| The non-checking version of get_row() method. | |
| void | put_row (size_t index, row_type const &r) | 
| Replaces the row at specified index. | |
| pixel | get_pixel (size_t x, size_t y) const | 
| Returns a pixel at (x,y) position. | |
| void | set_pixel (size_t x, size_t y, pixel p) | 
| Replaces a pixel at (x,y) position. | |
| Protected Types | |
| typedef std::vector< row_type > | row_vec | 
| Protected Attributes | |
| uint_32 | m_width | 
| uint_32 | m_height | 
| row_vec | m_rows | 
The basic class template to represent image pixel data.
| typedef row png::basic_pixel_buffer< pixel, row, traits >::row_type | 
A row of pixel data.
| typedef row_type& png::basic_pixel_buffer< pixel, row, traits >::row_access | 
| typedef row_type const& png::basic_pixel_buffer< pixel, row, traits >::row_const_access | 
| typedef traits png::basic_pixel_buffer< pixel, row, traits >::row_traits | 
| 
 | protected | 
| 
 | inline | 
Constructs an empty 0x0 pixel buffer object.
| 
 | inline | 
Constructs an empty pixel buffer object.
References png::basic_pixel_buffer< pixel, row, traits >::resize().
| 
 | inline | 
| 
 | inline | 
| 
 | inline | 
Resizes the pixel buffer.
If new width or height is greater than the original, expanded pixels are filled with value of pixel().
References png::basic_pixel_buffer< pixel, row, traits >::m_height, png::basic_pixel_buffer< pixel, row, traits >::m_rows, and png::basic_pixel_buffer< pixel, row, traits >::m_width.
Referenced by png::basic_pixel_buffer< pixel, row, traits >::basic_pixel_buffer().
| 
 | inline | 
Returns a reference to the row of image data at specified index.
Checks the index before returning a row: an instance of std::out_of_range is thrown if index is greater than height. 
References png::basic_pixel_buffer< pixel, row, traits >::m_rows.
Referenced by png::basic_pixel_buffer< pixel, row, traits >::get_pixel(), and png::basic_pixel_buffer< pixel, row, traits >::set_pixel().
| 
 | inline | 
Returns a const reference to the row of image data at specified index.
The checking version.
References png::basic_pixel_buffer< pixel, row, traits >::m_rows.
| 
 | inline | 
The non-checking version of get_row() method.
References png::basic_pixel_buffer< pixel, row, traits >::m_rows.
| 
 | inline | 
The non-checking version of get_row() method.
References png::basic_pixel_buffer< pixel, row, traits >::m_rows.
| 
 | inline | 
Replaces the row at specified index.
References png::basic_pixel_buffer< pixel, row, traits >::m_rows, and png::basic_pixel_buffer< pixel, row, traits >::m_width.
| 
 | inline | 
Returns a pixel at (x,y) position.
References png::basic_pixel_buffer< pixel, row, traits >::get_row().
| 
 | inline | 
Replaces a pixel at (x,y) position.
References png::basic_pixel_buffer< pixel, row, traits >::get_row().
| 
 | protected | 
| 
 | protected | 
| 
 | protected | 
Referenced by png::basic_pixel_buffer< pixel, row, traits >::get_row(), png::basic_pixel_buffer< pixel, row, traits >::get_row(), png::basic_pixel_buffer< pixel, row, traits >::operator[](), png::basic_pixel_buffer< pixel, row, traits >::operator[](), png::basic_pixel_buffer< pixel, row, traits >::put_row(), and png::basic_pixel_buffer< pixel, row, traits >::resize().