summaryrefslogtreecommitdiff
path: root/agg/inc/agg_span_pattern_filter_rgba.h
diff options
context:
space:
mode:
Diffstat (limited to 'agg/inc/agg_span_pattern_filter_rgba.h')
-rwxr-xr-xagg/inc/agg_span_pattern_filter_rgba.h584
1 files changed, 0 insertions, 584 deletions
diff --git a/agg/inc/agg_span_pattern_filter_rgba.h b/agg/inc/agg_span_pattern_filter_rgba.h
deleted file mode 100755
index 8460880fdb79..000000000000
--- a/agg/inc/agg_span_pattern_filter_rgba.h
+++ /dev/null
@@ -1,584 +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
-//----------------------------------------------------------------------------
-//
-// Adaptation for high precision colors has been sponsored by
-// Liberty Technology Systems, Inc., visit http://lib-sys.com
-//
-// Liberty Technology Systems, Inc. is the provider of
-// PostScript and PDF technology for software developers.
-//
-//----------------------------------------------------------------------------
-//
-// classes span_pattern_filter_rgba*
-//
-//----------------------------------------------------------------------------
-#ifndef AGG_SPAN_PATTERN_FILTER_RGBA_INCLUDED
-#define AGG_SPAN_PATTERN_FILTER_RGBA_INCLUDED
-
-#include "agg_basics.h"
-#include "agg_color_rgba.h"
-#include "agg_span_pattern.h"
-#include "agg_span_image_filter.h"
-
-
-namespace agg
-{
-
- //===========================================span_pattern_filter_rgba
- template<class ColorT,
- class Order,
- class Interpolator,
- class WrapModeX,
- class WrapModeY,
- class Allocator = span_allocator<ColorT> >
- class span_pattern_filter_rgba_nn :
- public span_image_filter<ColorT, Interpolator, Allocator>
- {
- public:
- typedef ColorT color_type;
- typedef Order order_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_rgba_nn(alloc_type& alloc) :
- base_type(alloc),
- m_wrap_mode_x(1),
- m_wrap_mode_y(1)
- {}
-
- //--------------------------------------------------------------------
- span_pattern_filter_rgba_nn(alloc_type& alloc,
- const rendering_buffer& src,
- interpolator_type& inter) :
- base_type(alloc, src, color_type(0,0,0,0), 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);
- const value_type *fg_ptr;
- 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);
-
- fg_ptr = (value_type*)base_type::source_image().row(y) + (x << 2);
- span->r = fg_ptr[order_type::R];
- span->g = fg_ptr[order_type::G];
- span->b = fg_ptr[order_type::B];
- span->a = fg_ptr[order_type::A];
- ++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_rgba_bilinear
- template<class ColorT,
- class Order,
- class Interpolator,
- class WrapModeX,
- class WrapModeY,
- class Allocator = span_allocator<ColorT> >
- class span_pattern_filter_rgba_bilinear :
- public span_image_filter<ColorT, Interpolator, Allocator>
- {
- public:
- typedef ColorT color_type;
- typedef Order order_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_rgba_bilinear(alloc_type& alloc) :
- base_type(alloc),
- m_wrap_mode_x(1),
- m_wrap_mode_y(1)
- {}
-
- //--------------------------------------------------------------------
- span_pattern_filter_rgba_bilinear(alloc_type& alloc,
- const rendering_buffer& src,
- interpolator_type& inter) :
- base_type(alloc, src, color_type(0,0,0,0), 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[4];
- const value_type *fg_ptr;
- 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;
- x1 <<= 2;
- x2 <<= 2;
-
- 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[0] =
- fg[1] =
- fg[2] =
- fg[3] = image_subpixel_size * image_subpixel_size / 2;
-
- x_hr &= image_subpixel_mask;
- y_hr &= image_subpixel_mask;
-
- int weight;
- fg_ptr = ptr1 + x1;
- weight = (image_subpixel_size - x_hr) *
- (image_subpixel_size - y_hr);
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr1 + x2;
- weight = x_hr * (image_subpixel_size - y_hr);
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr2 + x1;
- weight = (image_subpixel_size - x_hr) * y_hr;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr2 + x2;
- weight = x_hr * y_hr;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- span->r = (value_type)(fg[order_type::R] >> image_subpixel_shift * 2);
- span->g = (value_type)(fg[order_type::G] >> image_subpixel_shift * 2);
- span->b = (value_type)(fg[order_type::B] >> image_subpixel_shift * 2);
- span->a = (value_type)(fg[order_type::A] >> image_subpixel_shift * 2);
- ++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_rgba_2x2
- template<class ColorT,
- class Order,
- class Interpolator,
- class WrapModeX,
- class WrapModeY,
- class Allocator = span_allocator<ColorT> >
- class span_pattern_filter_rgba_2x2 :
- public span_image_filter<ColorT, Interpolator, Allocator>
- {
- public:
- typedef ColorT color_type;
- typedef Order order_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_rgba_2x2(alloc_type& alloc) :
- base_type(alloc),
- m_wrap_mode_x(1),
- m_wrap_mode_y(1)
- {}
-
- //--------------------------------------------------------------------
- span_pattern_filter_rgba_2x2(alloc_type& alloc,
- const rendering_buffer& src,
- interpolator_type& inter,
- const image_filter_lut& filter) :
- base_type(alloc, src, color_type(0,0,0,0), 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[4];
- const value_type *fg_ptr;
- 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;
- x1 <<= 2;
- x2 <<= 2;
-
- 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[0] = fg[1] = fg[2] = fg[3] = image_filter_size / 2;
-
- x_hr &= image_subpixel_mask;
- y_hr &= image_subpixel_mask;
-
- int weight;
- fg_ptr = ptr1 + x1;
- weight = (weight_array[x_hr + image_subpixel_size] *
- weight_array[y_hr + image_subpixel_size] +
- image_filter_size / 2) >>
- image_filter_shift;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr1 + x2;
- weight = (weight_array[x_hr] *
- weight_array[y_hr + image_subpixel_size] +
- image_filter_size / 2) >>
- image_filter_shift;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr2 + x1;
- weight = (weight_array[x_hr + image_subpixel_size] *
- weight_array[y_hr] +
- image_filter_size / 2) >>
- image_filter_shift;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg_ptr = ptr2 + x2;
- weight = (weight_array[x_hr] *
- weight_array[y_hr] +
- image_filter_size / 2) >>
- image_filter_shift;
- fg[0] += weight * fg_ptr[0];
- fg[1] += weight * fg_ptr[1];
- fg[2] += weight * fg_ptr[2];
- fg[3] += weight * fg_ptr[3];
-
- fg[0] >>= image_filter_shift;
- fg[1] >>= image_filter_shift;
- fg[2] >>= image_filter_shift;
- fg[3] >>= image_filter_shift;
-
- if(fg[order_type::A] > base_mask) fg[order_type::A] = base_mask;
- if(fg[order_type::R] > fg[order_type::A]) fg[order_type::R] = fg[order_type::A];
- if(fg[order_type::G] > fg[order_type::A]) fg[order_type::G] = fg[order_type::A];
- if(fg[order_type::B] > fg[order_type::A]) fg[order_type::B] = fg[order_type::A];
-
- span->r = (value_type)fg[order_type::R];
- span->g = (value_type)fg[order_type::G];
- span->b = (value_type)fg[order_type::B];
- span->a = (value_type)fg[order_type::A];
- ++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_rgba
- template<class ColorT,
- class Order,
- class Interpolator,
- class WrapModeX,
- class WrapModeY,
- class Allocator = span_allocator<ColorT> >
- class span_pattern_filter_rgba :
- public span_image_filter<ColorT, Interpolator, Allocator>
- {
- public:
- typedef ColorT color_type;
- typedef Order order_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_rgba(alloc_type& alloc) :
- base_type(alloc)
- {}
-
- //--------------------------------------------------------------------
- span_pattern_filter_rgba(alloc_type& alloc,
- const rendering_buffer& src,
- interpolator_type& inter,
- const image_filter_lut& filter) :
- base_type(alloc, src, color_type(0,0,0,0), 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[4];
-
- 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[0] = fg[1] = fg[2] = fg[3] = 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
- {
- const value_type* fg_ptr = row_ptr + (x_lr << 2);
- int weight = (weight_y * weight_array[x_hr] +
- image_filter_size / 2) >>
- image_filter_shift;
-
- fg[0] += fg_ptr[0] * weight;
- fg[1] += fg_ptr[1] * weight;
- fg[2] += fg_ptr[2] * weight;
- fg[3] += fg_ptr[3] * weight;
-
- 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[0] >>= image_filter_shift;
- fg[1] >>= image_filter_shift;
- fg[2] >>= image_filter_shift;
- fg[3] >>= image_filter_shift;
-
- if(fg[0] < 0) fg[0] = 0;
- if(fg[1] < 0) fg[1] = 0;
- if(fg[2] < 0) fg[2] = 0;
- if(fg[3] < 0) fg[3] = 0;
-
- if(fg[order_type::A] > base_mask) fg[order_type::A] = base_mask;
- if(fg[order_type::R] > fg[order_type::A]) fg[order_type::R] = fg[order_type::A];
- if(fg[order_type::G] > fg[order_type::A]) fg[order_type::G] = fg[order_type::A];
- if(fg[order_type::B] > fg[order_type::A]) fg[order_type::B] = fg[order_type::A];
-
- span->r = fg[order_type::R];
- span->g = fg[order_type::G];
- span->b = fg[order_type::B];
- span->a = fg[order_type::A];
- ++span;
- ++base_type::interpolator();
-
- } while(--len);
-
- return base_type::allocator().span();
- }
-
- private:
- WrapModeX m_wrap_mode_x;
- WrapModeY m_wrap_mode_y;
- };
-
-
-}
-
-
-#endif
-
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-22 03:44:37 +0000