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Diffstat (limited to 'agg/inc/agg_span_pattern_filter_gray.h')
| -rwxr-xr-x | agg/inc/agg_span_pattern_filter_gray.h | 472 |
1 files changed, 0 insertions, 472 deletions
diff --git a/agg/inc/agg_span_pattern_filter_gray.h b/agg/inc/agg_span_pattern_filter_gray.h deleted file mode 100755 index 17a7984be7fe..000000000000 --- a/agg/inc/agg_span_pattern_filter_gray.h +++ /dev/null @@ -1,472 +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 -//---------------------------------------------------------------------------- -// -// classes span_pattern_filter_gray* -// -//---------------------------------------------------------------------------- -#ifndef AGG_SPAN_PATTERN_FILTER_GRAY_INCLUDED -#define AGG_SPAN_PATTERN_FILTER_GRAY_INCLUDED - -#include "agg_basics.h" -#include "agg_color_gray.h" -#include "agg_span_pattern.h" -#include "agg_span_image_filter.h" - - -namespace agg -{ - - //===========================================span_pattern_filter_gray - template<class ColorT, - class Interpolator, - class WrapModeX, - class WrapModeY, - class Allocator = span_allocator<ColorT> > - class span_pattern_filter_gray_nn : - public span_image_filter<ColorT, Interpolator, Allocator> - { - public: - typedef ColorT color_type; - typedef Interpolator interpolator_type; - typedef Allocator alloc_type; - typedef span_image_filter<color_type, interpolator_type, alloc_type> base_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum - { - base_shift = color_type::base_shift, - base_mask = color_type::base_mask - }; - - //-------------------------------------------------------------------- - span_pattern_filter_gray_nn(alloc_type& alloc) : - base_type(alloc), - m_wrap_mode_x(1), - m_wrap_mode_y(1) - {} - - //-------------------------------------------------------------------- - span_pattern_filter_gray_nn(alloc_type& alloc, - const rendering_buffer& src, - interpolator_type& inter) : - base_type(alloc, src, color_type(0,0), inter, 0), - m_wrap_mode_x(src.width()), - m_wrap_mode_y(src.height()) - {} - - //-------------------------------------------------------------------- - void source_image(const rendering_buffer& src) - { - base_type::source_image(src); - m_wrap_mode_x = WrapModeX(src.width()); - m_wrap_mode_y = WrapModeX(src.height()); - } - - //-------------------------------------------------------------------- - color_type* generate(int x, int y, unsigned len) - { - base_type::interpolator().begin(x + base_type::filter_dx_dbl(), - y + base_type::filter_dy_dbl(), len); - color_type* span = base_type::allocator().span(); - do - { - base_type::interpolator().coordinates(&x, &y); - - x = m_wrap_mode_x(x >> image_subpixel_shift); - y = m_wrap_mode_y(y >> image_subpixel_shift); - - span->v = *((value_type*)base_type::source_image().row(y) + x); - span->a = base_mask; - ++span; - ++base_type::interpolator(); - - } while(--len); - - return base_type::allocator().span(); - } - - private: - WrapModeX m_wrap_mode_x; - WrapModeY m_wrap_mode_y; - }; - - - - - - - //====================================span_pattern_filter_gray_bilinear - template<class ColorT, - class Interpolator, - class WrapModeX, - class WrapModeY, - class Allocator = span_allocator<ColorT> > - class span_pattern_filter_gray_bilinear : - public span_image_filter<ColorT, Interpolator, Allocator> - { - public: - typedef ColorT color_type; - typedef Interpolator interpolator_type; - typedef Allocator alloc_type; - typedef span_image_filter<color_type, interpolator_type, alloc_type> base_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum - { - base_shift = color_type::base_shift, - base_mask = color_type::base_mask - }; - - //-------------------------------------------------------------------- - span_pattern_filter_gray_bilinear(alloc_type& alloc) : - base_type(alloc), - m_wrap_mode_x(1), - m_wrap_mode_y(1) - {} - - //-------------------------------------------------------------------- - span_pattern_filter_gray_bilinear(alloc_type& alloc, - const rendering_buffer& src, - interpolator_type& inter) : - base_type(alloc, src, color_type(0,0), inter, 0), - m_wrap_mode_x(src.width()), - m_wrap_mode_y(src.height()) - {} - - //------------------------------------------------------------------- - void source_image(const rendering_buffer& src) - { - base_type::source_image(src); - m_wrap_mode_x = WrapModeX(src.width()); - m_wrap_mode_y = WrapModeX(src.height()); - } - - //-------------------------------------------------------------------- - color_type* generate(int x, int y, unsigned len) - { - base_type::interpolator().begin(x + base_type::filter_dx_dbl(), - y + base_type::filter_dy_dbl(), len); - calc_type fg; - color_type* span = base_type::allocator().span(); - do - { - int x_hr; - int y_hr; - - base_type::interpolator().coordinates(&x_hr, &y_hr); - - x_hr -= base_type::filter_dx_int(); - y_hr -= base_type::filter_dy_int(); - - int x_lr = x_hr >> image_subpixel_shift; - int y_lr = y_hr >> image_subpixel_shift; - - unsigned x1 = m_wrap_mode_x(x_lr); - unsigned x2 = ++m_wrap_mode_x; - - unsigned y1 = m_wrap_mode_y(y_lr); - unsigned y2 = ++m_wrap_mode_y; - const value_type* ptr1 = (value_type*)base_type::source_image().row(y1); - const value_type* ptr2 = (value_type*)base_type::source_image().row(y2); - - fg = image_subpixel_size * image_subpixel_size / 2; - - x_hr &= image_subpixel_mask; - y_hr &= image_subpixel_mask; - - fg += ptr1[x1] * (image_subpixel_size - x_hr) * (image_subpixel_size - y_hr); - fg += ptr1[x2] * x_hr * (image_subpixel_size - y_hr); - fg += ptr2[x1] * (image_subpixel_size - x_hr) * y_hr; - fg += ptr2[x2] * x_hr * y_hr; - - span->v = (value_type)(fg >> image_subpixel_shift * 2); - span->a = base_mask; - ++span; - ++base_type::interpolator(); - - } while(--len); - - return base_type::allocator().span(); - } - private: - WrapModeX m_wrap_mode_x; - WrapModeY m_wrap_mode_y; - }; - - - - - - - - - - //====================================span_pattern_filter_gray_2x2 - template<class ColorT, - class Interpolator, - class WrapModeX, - class WrapModeY, - class Allocator = span_allocator<ColorT> > - class span_pattern_filter_gray_2x2 : - public span_image_filter<ColorT, Interpolator, Allocator> - { - public: - typedef ColorT color_type; - typedef Interpolator interpolator_type; - typedef Allocator alloc_type; - typedef span_image_filter<color_type, interpolator_type, alloc_type> base_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum - { - base_shift = color_type::base_shift, - base_mask = color_type::base_mask - }; - - //-------------------------------------------------------------------- - span_pattern_filter_gray_2x2(alloc_type& alloc) : - base_type(alloc), - m_wrap_mode_x(1), - m_wrap_mode_y(1) - {} - - //-------------------------------------------------------------------- - span_pattern_filter_gray_2x2(alloc_type& alloc, - const rendering_buffer& src, - interpolator_type& inter, - const image_filter_lut& filter) : - base_type(alloc, src, color_type(0,0), inter, &filter), - m_wrap_mode_x(src.width()), - m_wrap_mode_y(src.height()) - {} - - //------------------------------------------------------------------- - void source_image(const rendering_buffer& src) - { - base_type::source_image(src); - m_wrap_mode_x = WrapModeX(src.width()); - m_wrap_mode_y = WrapModeX(src.height()); - } - - //-------------------------------------------------------------------- - color_type* generate(int x, int y, unsigned len) - { - base_type::interpolator().begin(x + base_type::filter_dx_dbl(), - y + base_type::filter_dy_dbl(), len); - calc_type fg; - color_type* span = base_type::allocator().span(); - const int16* weight_array = base_type::filter().weight_array() + - ((base_type::filter().diameter()/2 - 1) << - image_subpixel_shift); - do - { - int x_hr; - int y_hr; - - base_type::interpolator().coordinates(&x_hr, &y_hr); - - x_hr -= base_type::filter_dx_int(); - y_hr -= base_type::filter_dy_int(); - - int x_lr = x_hr >> image_subpixel_shift; - int y_lr = y_hr >> image_subpixel_shift; - - unsigned x1 = m_wrap_mode_x(x_lr); - unsigned x2 = ++m_wrap_mode_x; - - unsigned y1 = m_wrap_mode_y(y_lr); - unsigned y2 = ++m_wrap_mode_y; - const value_type* ptr1 = (value_type*)base_type::source_image().row(y1); - const value_type* ptr2 = (value_type*)base_type::source_image().row(y2); - - fg = image_filter_size / 2; - - x_hr &= image_subpixel_mask; - y_hr &= image_subpixel_mask; - - fg += ptr1[x1] * ((weight_array[x_hr + image_subpixel_size] * - weight_array[y_hr + image_subpixel_size] + - image_filter_size / 2) >> - image_filter_shift); - fg += ptr1[x2] * ((weight_array[x_hr] * - weight_array[y_hr + image_subpixel_size] + - image_filter_size / 2) >> - image_filter_shift); - fg += ptr2[x1] * ((weight_array[x_hr + image_subpixel_size] * - weight_array[y_hr] + - image_filter_size / 2) >> - image_filter_shift); - fg += ptr2[x2] * ((weight_array[x_hr] * - weight_array[y_hr] + - image_filter_size / 2) >> - image_filter_shift); - - fg >>= image_filter_shift; - if(fg > base_mask) fg = base_mask; - - span->v = (value_type)fg; - span->a = base_mask; - ++span; - ++base_type::interpolator(); - - } while(--len); - - return base_type::allocator().span(); - } - private: - WrapModeX m_wrap_mode_x; - WrapModeY m_wrap_mode_y; - }; - - - - - - - - - - - - - //==============================================span_pattern_filter_gray - template<class ColorT, - class Interpolator, - class WrapModeX, - class WrapModeY, - class Allocator = span_allocator<ColorT> > - class span_pattern_filter_gray : - public span_image_filter<ColorT, Interpolator, Allocator> - { - public: - typedef ColorT color_type; - typedef Interpolator interpolator_type; - typedef Allocator alloc_type; - typedef span_image_filter<color_type, interpolator_type, alloc_type> base_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum - { - base_shift = color_type::base_shift, - base_mask = color_type::base_mask - }; - - //-------------------------------------------------------------------- - span_pattern_filter_gray(alloc_type& alloc) : - base_type(alloc) - {} - - //-------------------------------------------------------------------- - span_pattern_filter_gray(alloc_type& alloc, - const rendering_buffer& src, - interpolator_type& inter, - const image_filter_lut& filter) : - base_type(alloc, src, color_type(0,0), inter, &filter), - m_wrap_mode_x(src.width()), - m_wrap_mode_y(src.height()) - {} - - //-------------------------------------------------------------------- - void source_image(const rendering_buffer& src) - { - base_type::source_image(src); - m_wrap_mode_x = WrapModeX(src.width()); - m_wrap_mode_y = WrapModeX(src.height()); - } - - //-------------------------------------------------------------------- - color_type* generate(int x, int y, unsigned len) - { - base_type::interpolator().begin(x + base_type::filter_dx_dbl(), - y + base_type::filter_dy_dbl(), len); - int fg; - - unsigned diameter = base_type::filter().diameter(); - int start = base_type::filter().start(); - const int16* weight_array = base_type::filter().weight_array(); - - color_type* span = base_type::allocator().span(); - - int x_count; - int weight_y; - - do - { - base_type::interpolator().coordinates(&x, &y); - - x -= base_type::filter_dx_int(); - y -= base_type::filter_dy_int(); - - int x_hr = x; - int y_hr = y; - - int x_fract = x_hr & image_subpixel_mask; - unsigned y_count = diameter; - - int y_lr = m_wrap_mode_y((y >> image_subpixel_shift) + start); - int x_int = (x >> image_subpixel_shift) + start; - int x_lr; - - y_hr = image_subpixel_mask - (y_hr & image_subpixel_mask); - fg = image_filter_size / 2; - - do - { - x_count = diameter; - weight_y = weight_array[y_hr]; - x_hr = image_subpixel_mask - x_fract; - x_lr = m_wrap_mode_x(x_int); - const value_type* row_ptr = (value_type*)base_type::source_image().row(y_lr); - do - { - fg += row_ptr[x_lr] * ((weight_y * weight_array[x_hr] + - image_filter_size / 2) >> - image_filter_shift); - x_hr += image_subpixel_size; - x_lr = ++m_wrap_mode_x; - } while(--x_count); - - y_hr += image_subpixel_size; - y_lr = ++m_wrap_mode_y; - } while(--y_count); - - fg >>= image_filter_shift; - - if(fg < 0) fg = 0; - if(fg > base_mask) fg = base_mask; - - span->v = fg; - span->a = base_mask; - ++span; - ++base_type::interpolator(); - - } while(--len); - - return base_type::allocator().span(); - } - - private: - WrapModeX m_wrap_mode_x; - WrapModeY m_wrap_mode_y; - }; - - -} - - -#endif - - - |