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Diffstat (limited to 'agg/inc/agg_rendering_buffer.h')
-rwxr-xr-x | agg/inc/agg_rendering_buffer.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/agg/inc/agg_rendering_buffer.h b/agg/inc/agg_rendering_buffer.h deleted file mode 100755 index 50b6a46fdfa8..000000000000 --- a/agg/inc/agg_rendering_buffer.h +++ /dev/null @@ -1,179 +0,0 @@ -//---------------------------------------------------------------------------- -// Anti-Grain Geometry - Version 2.3 -// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) -// -// Permission to copy, use, modify, sell and distribute this software -// is granted provided this copyright notice appears in all copies. -// This software is provided "as is" without express or implied -// warranty, and with no claim as to its suitability for any purpose. -// -//---------------------------------------------------------------------------- -// Contact: mcseem@antigrain.com -// mcseemagg@yahoo.com -// http://www.antigrain.com -//---------------------------------------------------------------------------- -// -// class rendering_buffer -// -//---------------------------------------------------------------------------- - -#ifndef AGG_RENDERING_BUFFER_INCLUDED -#define AGG_RENDERING_BUFFER_INCLUDED - -#include "agg_basics.h" - -namespace agg -{ - - //==========================================================row_ptr_cache - template<class T> class row_ptr_cache - { - public: - //-------------------------------------------------------------------- - struct row_data - { - int x1, x2; - const int8u* ptr; - row_data() {} - row_data(int x1_, int x2_, const int8u* ptr_) : - x1(x1_), x2(x2_), ptr(ptr_) {} - }; - - //------------------------------------------------------------------- - ~row_ptr_cache() - { - delete [] m_rows; - } - - //------------------------------------------------------------------- - row_ptr_cache() : - m_buf(0), - m_rows(0), - m_width(0), - m_height(0), - m_stride(0), - m_max_height(0) - { - } - - //-------------------------------------------------------------------- - row_ptr_cache(T* _buf, unsigned _width, unsigned _height, int _stride) : - m_buf(0), - m_rows(0), - m_width(0), - m_height(0), - m_stride(0), - m_max_height(0) - { - attach(_buf, _width, _height, _stride); - } - - //-------------------------------------------------------------------- - void attach(T* _buf, unsigned _width, unsigned _height, int _stride) - { - m_buf = _buf; - m_width = _width; - m_height = _height; - m_stride = _stride; - if(_height > m_max_height) - { - delete [] m_rows; - m_rows = new T* [m_max_height = _height]; - } - - T* row_ptr = m_buf; - - if(_stride < 0) - { - row_ptr = m_buf - int(_height - 1) * _stride; - } - - T** _rows = m_rows; - - while(_height--) - { - *_rows++ = row_ptr; - row_ptr += _stride; - } - } - - //-------------------------------------------------------------------- - const T* buf() const { return m_buf; } - unsigned width() const { return m_width; } - unsigned height() const { return m_height; } - int stride() const { return m_stride; } - unsigned stride_abs() const - { - return (m_stride < 0) ? - unsigned(-m_stride) : - unsigned(m_stride); - } - - //-------------------------------------------------------------------- - T* row(unsigned y) { return m_rows[y]; } - const T* row(unsigned y) const { return m_rows[y]; } - - T* next_row(void* p) { return (T*)p + m_stride; } - const T* next_row(const void* p) const { return (T*)p + m_stride; } - - T const* const* rows() const { return m_rows; } - - //-------------------------------------------------------------------- - void copy_from(const row_ptr_cache<T>& mtx) - { - unsigned h = height(); - if(mtx.height() < h) h = mtx.height(); - - unsigned l = stride_abs(); - if(mtx.stride_abs() < l) l = mtx.stride_abs(); - - l *= sizeof(T); - - unsigned y; - for (y = 0; y < h; y++) - { - memcpy(row(y), mtx.row(y), l); - } - } - - //-------------------------------------------------------------------- - void clear(T value) - { - unsigned y; - for(y = 0; y < height(); y++) - { - T* p = row(y); - unsigned x; - for(x = 0; x < stride_abs(); x++) - { - *p++ = value; - } - } - } - - - private: - //-------------------------------------------------------------------- - // Prohibit copying - row_ptr_cache(const row_ptr_cache<T>&); - const row_ptr_cache<T>& operator = (const row_ptr_cache<T>&); - - private: - //-------------------------------------------------------------------- - T* m_buf; // Pointer to renrdering buffer - T** m_rows; // Pointers to each row of the buffer - unsigned m_width; // Width in pixels - unsigned m_height; // Height in pixels - int m_stride; // Number of bytes per row. Can be < 0 - unsigned m_max_height; // The maximal height (currently allocated) - }; - - - - //========================================================rendering_buffer - typedef row_ptr_cache<int8u> rendering_buffer; - -} - - -#endif |