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-rwxr-xr-xagg/inc/agg_renderer_outline_image.h924
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diff --git a/agg/inc/agg_renderer_outline_image.h b/agg/inc/agg_renderer_outline_image.h
deleted file mode 100755
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--- a/agg/inc/agg_renderer_outline_image.h
+++ /dev/null
@@ -1,924 +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
-//----------------------------------------------------------------------------
-#ifndef AGG_RENDERER_OUTLINE_IMAGE_INCLUDED
-#define AGG_RENDERER_OUTLINE_IMAGE_INCLUDED
-
-#include <math.h>
-#include "agg_line_aa_basics.h"
-#include "agg_dda_line.h"
-#include "agg_rendering_buffer.h"
-
-
-namespace agg
-{
- //========================================================line_image_scale
- template<class Source> class line_image_scale
- {
- public:
- typedef typename Source::color_type color_type;
-
- line_image_scale(const Source& src, double height) :
- m_source(src),
- m_height(height),
- m_scale(src.height() / height)
- {
- }
-
- double width() const { return m_source.width(); }
- double height() const { return m_height; }
-
- color_type pixel(int x, int y) const
- {
- double src_y = (y + 0.5) * m_scale - 0.5;
- int h = int(m_source.height()) - 1;
- int y1 = int(floor(src_y));
- int y2 = y1 + 1;
- color_type pix1 = (y1 < 0) ? color_type::no_color() : m_source.pixel(x, y1);
- color_type pix2 = (y2 > h) ? color_type::no_color() : m_source.pixel(x, y2);
- return pix1.gradient(pix2, src_y - y1);
- }
-
- private:
- line_image_scale(const line_image_scale<Source>&);
- const line_image_scale<Source>& operator = (const line_image_scale<Source>&);
-
- const Source& m_source;
- double m_height;
- double m_scale;
- };
-
-
-
- //======================================================line_image_pattern
- template<class Filter> class line_image_pattern
- {
- public:
- typedef Filter filter_type;
- typedef typename filter_type::color_type color_type;
-
- //--------------------------------------------------------------------
- ~line_image_pattern()
- {
- delete [] m_data;
- }
-
- //--------------------------------------------------------------------
- line_image_pattern(const Filter& filter) :
- m_filter(&filter),
- m_dilation(filter.dilation() + 1),
- m_dilation_hr(m_dilation << line_subpixel_shift),
- m_data(0),
- m_width(0),
- m_height(0),
- m_width_hr(0),
- m_half_height_hr(0),
- m_offset_y_hr(0)
- {
- }
-
- // Create
- //--------------------------------------------------------------------
- template<class Source>
- line_image_pattern(const Filter& filter, const Source& src) :
- m_filter(&filter),
- m_dilation(filter.dilation() + 1),
- m_dilation_hr(m_dilation << line_subpixel_shift),
- m_data(0),
- m_width(0),
- m_height(0),
- m_width_hr(0),
- m_half_height_hr(0),
- m_offset_y_hr(0)
- {
- create(src);
- }
-
- // Create
- //--------------------------------------------------------------------
- template<class Source> void create(const Source& src)
- {
- m_height = unsigned(ceil((double)src.height()));
- m_width = unsigned(ceil((double)src.width()));
- m_width_hr = int(src.width() * line_subpixel_size);
- m_half_height_hr = int(src.height() * line_subpixel_size/2);
- m_offset_y_hr = m_dilation_hr + m_half_height_hr - line_subpixel_size/2;
- m_half_height_hr += line_subpixel_size/2;
-
- delete [] m_data;
- m_data = new color_type [(m_width + m_dilation * 2) * (m_height + m_dilation * 2)];
-
- m_buf.attach(m_data, m_width + m_dilation * 2,
- m_height + m_dilation * 2,
- m_width + m_dilation * 2);
- unsigned x, y;
- color_type* d1;
- color_type* d2;
- for(y = 0; y < m_height; y++)
- {
- d1 = m_buf.row(y + m_dilation) + m_dilation;
- for(x = 0; x < m_width; x++)
- {
- *d1++ = src.pixel(x, y);
- }
- }
-
- const color_type* s1;
- const color_type* s2;
- for(y = 0; y < m_dilation; y++)
- {
- //s1 = m_buf.row(m_height + m_dilation - 1) + m_dilation;
- //s2 = m_buf.row(m_dilation) + m_dilation;
- d1 = m_buf.row(m_dilation + m_height + y) + m_dilation;
- d2 = m_buf.row(m_dilation - y - 1) + m_dilation;
- for(x = 0; x < m_width; x++)
- {
- //*d1++ = color_type(*s1++, 0);
- //*d2++ = color_type(*s2++, 0);
- *d1++ = color_type::no_color();
- *d2++ = color_type::no_color();
- }
- }
-
- unsigned h = m_height + m_dilation * 2;
- for(y = 0; y < h; y++)
- {
- s1 = m_buf.row(y) + m_dilation;
- s2 = m_buf.row(y) + m_dilation + m_width;
- d1 = m_buf.row(y) + m_dilation + m_width;
- d2 = m_buf.row(y) + m_dilation;
-
- for(x = 0; x < m_dilation; x++)
- {
- *d1++ = *s1++;
- *--d2 = *--s2;
- }
- }
- }
-
- //--------------------------------------------------------------------
- int pattern_width() const { return m_width_hr; }
- int line_width() const { return m_half_height_hr; }
-
- //--------------------------------------------------------------------
- void pixel(color_type* p, int x, int y) const
- {
- m_filter->pixel_high_res(m_buf.rows(),
- p,
- x % m_width_hr + m_dilation_hr,
- y + m_offset_y_hr);
- }
-
- //--------------------------------------------------------------------
- const filter_type& filter() const { return *m_filter; }
-
- private:
- line_image_pattern(const line_image_pattern<filter_type>&);
- const line_image_pattern<filter_type>&
- operator = (const line_image_pattern<filter_type>&);
-
- protected:
- row_ptr_cache<color_type> m_buf;
- const filter_type* m_filter;
- unsigned m_dilation;
- int m_dilation_hr;
- color_type* m_data;
- unsigned m_width;
- unsigned m_height;
- int m_width_hr;
- int m_half_height_hr;
- int m_offset_y_hr;
- };
-
-
-
-
-
-
- //=================================================line_image_pattern_pow2
- template<class Filter> class line_image_pattern_pow2 :
- public line_image_pattern<Filter>
- {
- public:
- typedef Filter filter_type;
- typedef typename filter_type::color_type color_type;
- typedef line_image_pattern<Filter> base_type;
-
- //--------------------------------------------------------------------
- line_image_pattern_pow2(const Filter& filter) :
- line_image_pattern<Filter>(filter), m_mask(line_subpixel_mask) {}
-
- //--------------------------------------------------------------------
- template<class Source>
- line_image_pattern_pow2(const Filter& filter, const Source& src) :
- line_image_pattern<Filter>(filter), m_mask(line_subpixel_mask)
- {
- create(src);
- }
-
- //--------------------------------------------------------------------
- template<class Source> void create(const Source& src)
- {
- line_image_pattern<Filter>::create(src);
- m_mask = 1;
- while(m_mask < base_type::m_width)
- {
- m_mask <<= 1;
- m_mask |= 1;
- }
- m_mask <<= line_subpixel_shift - 1;
- m_mask |= line_subpixel_mask;
- base_type::m_width_hr = m_mask + 1;
- }
-
- //--------------------------------------------------------------------
- void pixel(color_type* p, int x, int y) const
- {
- base_type::m_filter->pixel_high_res(
- base_type::m_buf.rows(),
- p,
- (x & m_mask) + base_type::m_dilation_hr,
- y + base_type::m_offset_y_hr);
- }
- private:
- unsigned m_mask;
- };
-
-
-
-
-
-
-
- //===================================================distance_interpolator4
- class distance_interpolator4
- {
- public:
- //---------------------------------------------------------------------
- distance_interpolator4() {}
- distance_interpolator4(int x1, int y1, int x2, int y2,
- int sx, int sy, int ex, int ey,
- int len, double scale, int x, int y) :
- m_dx(x2 - x1),
- m_dy(y2 - y1),
- m_dx_start(line_mr(sx) - line_mr(x1)),
- m_dy_start(line_mr(sy) - line_mr(y1)),
- m_dx_end(line_mr(ex) - line_mr(x2)),
- m_dy_end(line_mr(ey) - line_mr(y2)),
-
- m_dist(int(double(x + line_subpixel_size/2 - x2) * double(m_dy) -
- double(y + line_subpixel_size/2 - y2) * double(m_dx))),
-
- m_dist_start((line_mr(x + line_subpixel_size/2) - line_mr(sx)) * m_dy_start -
- (line_mr(y + line_subpixel_size/2) - line_mr(sy)) * m_dx_start),
-
- m_dist_end((line_mr(x + line_subpixel_size/2) - line_mr(ex)) * m_dy_end -
- (line_mr(y + line_subpixel_size/2) - line_mr(ey)) * m_dx_end),
- m_len(int(len / scale))
- {
- double d = len * scale;
- int dx = int(((x2 - x1) << line_subpixel_shift) / d);
- int dy = int(((y2 - y1) << line_subpixel_shift) / d);
- m_dx_pict = -dy;
- m_dy_pict = dx;
- m_dist_pict = ((x + line_subpixel_size/2 - (x1 - dy)) * m_dy_pict -
- (y + line_subpixel_size/2 - (y1 + dx)) * m_dx_pict) >>
- line_subpixel_shift;
-
- m_dx <<= line_subpixel_shift;
- m_dy <<= line_subpixel_shift;
- m_dx_start <<= line_mr_subpixel_shift;
- m_dy_start <<= line_mr_subpixel_shift;
- m_dx_end <<= line_mr_subpixel_shift;
- m_dy_end <<= line_mr_subpixel_shift;
- }
-
- //---------------------------------------------------------------------
- void inc_x()
- {
- m_dist += m_dy;
- m_dist_start += m_dy_start;
- m_dist_pict += m_dy_pict;
- m_dist_end += m_dy_end;
- }
-
- //---------------------------------------------------------------------
- void dec_x()
- {
- m_dist -= m_dy;
- m_dist_start -= m_dy_start;
- m_dist_pict -= m_dy_pict;
- m_dist_end -= m_dy_end;
- }
-
- //---------------------------------------------------------------------
- void inc_y()
- {
- m_dist -= m_dx;
- m_dist_start -= m_dx_start;
- m_dist_pict -= m_dx_pict;
- m_dist_end -= m_dx_end;
- }
-
- //---------------------------------------------------------------------
- void dec_y()
- {
- m_dist += m_dx;
- m_dist_start += m_dx_start;
- m_dist_pict += m_dx_pict;
- m_dist_end += m_dx_end;
- }
-
- //---------------------------------------------------------------------
- void inc_x(int dy)
- {
- m_dist += m_dy;
- m_dist_start += m_dy_start;
- m_dist_pict += m_dy_pict;
- m_dist_end += m_dy_end;
- if(dy > 0)
- {
- m_dist -= m_dx;
- m_dist_start -= m_dx_start;
- m_dist_pict -= m_dx_pict;
- m_dist_end -= m_dx_end;
- }
- if(dy < 0)
- {
- m_dist += m_dx;
- m_dist_start += m_dx_start;
- m_dist_pict += m_dx_pict;
- m_dist_end += m_dx_end;
- }
- }
-
- //---------------------------------------------------------------------
- void dec_x(int dy)
- {
- m_dist -= m_dy;
- m_dist_start -= m_dy_start;
- m_dist_pict -= m_dy_pict;
- m_dist_end -= m_dy_end;
- if(dy > 0)
- {
- m_dist -= m_dx;
- m_dist_start -= m_dx_start;
- m_dist_pict -= m_dx_pict;
- m_dist_end -= m_dx_end;
- }
- if(dy < 0)
- {
- m_dist += m_dx;
- m_dist_start += m_dx_start;
- m_dist_pict += m_dx_pict;
- m_dist_end += m_dx_end;
- }
- }
-
- //---------------------------------------------------------------------
- void inc_y(int dx)
- {
- m_dist -= m_dx;
- m_dist_start -= m_dx_start;
- m_dist_pict -= m_dx_pict;
- m_dist_end -= m_dx_end;
- if(dx > 0)
- {
- m_dist += m_dy;
- m_dist_start += m_dy_start;
- m_dist_pict += m_dy_pict;
- m_dist_end += m_dy_end;
- }
- if(dx < 0)
- {
- m_dist -= m_dy;
- m_dist_start -= m_dy_start;
- m_dist_pict -= m_dy_pict;
- m_dist_end -= m_dy_end;
- }
- }
-
- //---------------------------------------------------------------------
- void dec_y(int dx)
- {
- m_dist += m_dx;
- m_dist_start += m_dx_start;
- m_dist_pict += m_dx_pict;
- m_dist_end += m_dx_end;
- if(dx > 0)
- {
- m_dist += m_dy;
- m_dist_start += m_dy_start;
- m_dist_pict += m_dy_pict;
- m_dist_end += m_dy_end;
- }
- if(dx < 0)
- {
- m_dist -= m_dy;
- m_dist_start -= m_dy_start;
- m_dist_pict -= m_dy_pict;
- m_dist_end -= m_dy_end;
- }
- }
-
- //---------------------------------------------------------------------
- int dist() const { return m_dist; }
- int dist_start() const { return m_dist_start; }
- int dist_pict() const { return m_dist_pict; }
- int dist_end() const { return m_dist_end; }
-
- //---------------------------------------------------------------------
- int dx() const { return m_dx; }
- int dy() const { return m_dy; }
- int dx_start() const { return m_dx_start; }
- int dy_start() const { return m_dy_start; }
- int dx_pict() const { return m_dx_pict; }
- int dy_pict() const { return m_dy_pict; }
- int dx_end() const { return m_dx_end; }
- int dy_end() const { return m_dy_end; }
- int len() const { return m_len; }
-
- private:
- //---------------------------------------------------------------------
- int m_dx;
- int m_dy;
- int m_dx_start;
- int m_dy_start;
- int m_dx_pict;
- int m_dy_pict;
- int m_dx_end;
- int m_dy_end;
-
- int m_dist;
- int m_dist_start;
- int m_dist_pict;
- int m_dist_end;
- int m_len;
- };
-
-
-
-
-
- //==================================================line_interpolator_image
- template<class Renderer> class line_interpolator_image
- {
- public:
- typedef Renderer renderer_type;
- typedef typename Renderer::color_type color_type;
-
- //---------------------------------------------------------------------
- enum
- {
- max_half_width = 64
- };
-
- //---------------------------------------------------------------------
- line_interpolator_image(renderer_type& ren, const line_parameters& lp,
- int sx, int sy, int ex, int ey,
- int pattern_start,
- double scale_x) :
- m_lp(lp),
- m_li(lp.vertical ? line_dbl_hr(lp.x2 - lp.x1) :
- line_dbl_hr(lp.y2 - lp.y1),
- lp.vertical ? abs(lp.y2 - lp.y1) :
- abs(lp.x2 - lp.x1) + 1),
- m_di(lp.x1, lp.y1, lp.x2, lp.y2, sx, sy, ex, ey, lp.len, scale_x,
- lp.x1 & ~line_subpixel_mask, lp.y1 & ~line_subpixel_mask),
- m_ren(ren),
- m_x(lp.x1 >> line_subpixel_shift),
- m_y(lp.y1 >> line_subpixel_shift),
- m_old_x(m_x),
- m_old_y(m_y),
- m_count((lp.vertical ? abs((lp.y2 >> line_subpixel_shift) - m_y) :
- abs((lp.x2 >> line_subpixel_shift) - m_x))),
- m_width(ren.subpixel_width()),
- m_max_extent(m_width >> (line_subpixel_shift - 2)),
- m_start(pattern_start + (m_max_extent + 2) * ren.pattern_width()),
- m_step(0)
- {
- agg::dda2_line_interpolator li(0, lp.vertical ?
- (lp.dy << agg::line_subpixel_shift) :
- (lp.dx << agg::line_subpixel_shift),
- lp.len);
-
- unsigned i;
- int stop = m_width + line_subpixel_size * 2;
- for(i = 0; i < max_half_width; ++i)
- {
- m_dist_pos[i] = li.y();
- if(m_dist_pos[i] >= stop) break;
- ++li;
- }
- m_dist_pos[i] = 0x7FFF0000;
-
- int dist1_start;
- int dist2_start;
- int npix = 1;
-
- if(lp.vertical)
- {
- do
- {
- --m_li;
- m_y -= lp.inc;
- m_x = (m_lp.x1 + m_li.y()) >> line_subpixel_shift;
-
- if(lp.inc > 0) m_di.dec_y(m_x - m_old_x);
- else m_di.inc_y(m_x - m_old_x);
-
- m_old_x = m_x;
-
- dist1_start = dist2_start = m_di.dist_start();
-
- int dx = 0;
- if(dist1_start < 0) ++npix;
- do
- {
- dist1_start += m_di.dy_start();
- dist2_start -= m_di.dy_start();
- if(dist1_start < 0) ++npix;
- if(dist2_start < 0) ++npix;
- ++dx;
- }
- while(m_dist_pos[dx] <= m_width);
- if(npix == 0) break;
-
- npix = 0;
- }
- while(--m_step >= -m_max_extent);
- }
- else
- {
- do
- {
- --m_li;
-
- m_x -= lp.inc;
- m_y = (m_lp.y1 + m_li.y()) >> line_subpixel_shift;
-
- if(lp.inc > 0) m_di.dec_x(m_y - m_old_y);
- else m_di.inc_x(m_y - m_old_y);
-
- m_old_y = m_y;
-
- dist1_start = dist2_start = m_di.dist_start();
-
- int dy = 0;
- if(dist1_start < 0) ++npix;
- do
- {
- dist1_start -= m_di.dx_start();
- dist2_start += m_di.dx_start();
- if(dist1_start < 0) ++npix;
- if(dist2_start < 0) ++npix;
- ++dy;
- }
- while(m_dist_pos[dy] <= m_width);
- if(npix == 0) break;
-
- npix = 0;
- }
- while(--m_step >= -m_max_extent);
- }
- m_li.adjust_forward();
- m_step -= m_max_extent;
- }
-
- //---------------------------------------------------------------------
- bool step_hor()
- {
- ++m_li;
- m_x += m_lp.inc;
- m_y = (m_lp.y1 + m_li.y()) >> line_subpixel_shift;
-
- if(m_lp.inc > 0) m_di.inc_x(m_y - m_old_y);
- else m_di.dec_x(m_y - m_old_y);
-
- m_old_y = m_y;
-
- int s1 = m_di.dist() / m_lp.len;
- int s2 = -s1;
-
- if(m_lp.inc < 0) s1 = -s1;
-
- int dist_start;
- int dist_pict;
- int dist_end;
- int dy;
- int dist;
-
- dist_start = m_di.dist_start();
- dist_pict = m_di.dist_pict() + m_start;
- dist_end = m_di.dist_end();
- color_type* p0 = m_colors + max_half_width + 2;
- color_type* p1 = p0;
-
- int npix = 0;
- p1->clear();
- if(dist_end > 0)
- {
- if(dist_start <= 0)
- {
- m_ren.pixel(p1, dist_pict, s2);
- }
- ++npix;
- }
- ++p1;
-
- dy = 1;
- while((dist = m_dist_pos[dy]) - s1 <= m_width)
- {
- dist_start -= m_di.dx_start();
- dist_pict -= m_di.dx_pict();
- dist_end -= m_di.dx_end();
- p1->clear();
- if(dist_end > 0 && dist_start <= 0)
- {
- if(m_lp.inc > 0) dist = -dist;
- m_ren.pixel(p1, dist_pict, s2 - dist);
- ++npix;
- }
- ++p1;
- ++dy;
- }
-
- dy = 1;
- dist_start = m_di.dist_start();
- dist_pict = m_di.dist_pict() + m_start;
- dist_end = m_di.dist_end();
- while((dist = m_dist_pos[dy]) + s1 <= m_width)
- {
- dist_start += m_di.dx_start();
- dist_pict += m_di.dx_pict();
- dist_end += m_di.dx_end();
- --p0;
- p0->clear();
- if(dist_end > 0 && dist_start <= 0)
- {
- if(m_lp.inc > 0) dist = -dist;
- m_ren.pixel(p0, dist_pict, s2 + dist);
- ++npix;
- }
- ++dy;
- }
- m_ren.blend_color_vspan(m_x,
- m_y - dy + 1,
- unsigned(p1 - p0),
- p0);
- return npix && ++m_step < m_count;
- }
-
-
-
- //---------------------------------------------------------------------
- bool step_ver()
- {
- ++m_li;
- m_y += m_lp.inc;
- m_x = (m_lp.x1 + m_li.y()) >> line_subpixel_shift;
-
- if(m_lp.inc > 0) m_di.inc_y(m_x - m_old_x);
- else m_di.dec_y(m_x - m_old_x);
-
- m_old_x = m_x;
-
- int s1 = m_di.dist() / m_lp.len;
- int s2 = -s1;
-
- if(m_lp.inc > 0) s1 = -s1;
-
- int dist_start;
- int dist_pict;
- int dist_end;
- int dist;
- int dx;
-
- dist_start = m_di.dist_start();
- dist_pict = m_di.dist_pict() + m_start;
- dist_end = m_di.dist_end();
- color_type* p0 = m_colors + max_half_width + 2;
- color_type* p1 = p0;
-
- int npix = 0;
- p1->clear();
- if(dist_end > 0)
- {
- if(dist_start <= 0)
- {
- m_ren.pixel(p1, dist_pict, s2);
- }
- ++npix;
- }
- ++p1;
-
- dx = 1;
- while((dist = m_dist_pos[dx]) - s1 <= m_width)
- {
- dist_start += m_di.dy_start();
- dist_pict += m_di.dy_pict();
- dist_end += m_di.dy_end();
- p1->clear();
- if(dist_end > 0 && dist_start <= 0)
- {
- if(m_lp.inc > 0) dist = -dist;
- m_ren.pixel(p1, dist_pict, s2 + dist);
- ++npix;
- }
- ++p1;
- ++dx;
- }
-
- dx = 1;
- dist_start = m_di.dist_start();
- dist_pict = m_di.dist_pict() + m_start;
- dist_end = m_di.dist_end();
- while((dist = m_dist_pos[dx]) + s1 <= m_width)
- {
- dist_start -= m_di.dy_start();
- dist_pict -= m_di.dy_pict();
- dist_end -= m_di.dy_end();
- --p0;
- p0->clear();
- if(dist_end > 0 && dist_start <= 0)
- {
- if(m_lp.inc > 0) dist = -dist;
- m_ren.pixel(p0, dist_pict, s2 - dist);
- ++npix;
- }
- ++dx;
- }
- m_ren.blend_color_hspan(m_x - dx + 1,
- m_y,
- unsigned(p1 - p0),
- p0);
- return npix && ++m_step < m_count;
- }
-
-
- //---------------------------------------------------------------------
- int pattern_end() const { return m_start + m_di.len(); }
-
- //---------------------------------------------------------------------
- bool vertical() const { return m_lp.vertical; }
- int width() const { return m_width; }
- int count() const { return m_count; }
-
- private:
- line_interpolator_image(const line_interpolator_image<Renderer>&);
- const line_interpolator_image<Renderer>&
- operator = (const line_interpolator_image<Renderer>&);
-
- protected:
- const line_parameters& m_lp;
- dda2_line_interpolator m_li;
- distance_interpolator4 m_di;
- renderer_type& m_ren;
- int m_plen;
- int m_x;
- int m_y;
- int m_old_x;
- int m_old_y;
- int m_count;
- int m_width;
- int m_max_extent;
- int m_start;
- int m_step;
- int m_dist_pos[max_half_width + 1];
- color_type m_colors[max_half_width * 2 + 4];
- };
-
-
-
-
-
-
-
-
- //===================================================renderer_outline_image
- template<class BaseRenderer, class ImagePattern>
- class renderer_outline_image
- {
- public:
- //---------------------------------------------------------------------
- typedef BaseRenderer base_ren_type;
- typedef renderer_outline_image<BaseRenderer, ImagePattern> self_type;
- typedef typename base_ren_type::color_type color_type;
- typedef ImagePattern pattern_type;
-
-
- //---------------------------------------------------------------------
- renderer_outline_image(base_ren_type& ren, const pattern_type& patt) :
- m_ren(&ren),
- m_pattern(&patt),
- m_start(0),
- m_scale_x(1.0)
- {
- }
-
- //---------------------------------------------------------------------
- void pattern(const pattern_type& p) { m_pattern = &p; }
- const pattern_type& pattern() const { return *m_pattern; }
-
- //---------------------------------------------------------------------
- void scale_x(double s) { m_scale_x = s; }
- double scale_x() const { return m_scale_x; }
-
- //---------------------------------------------------------------------
- void start_x(double s) { m_start = int(s * line_subpixel_size); }
- double start_x() const { return double(m_start) / line_subpixel_size; }
-
- //---------------------------------------------------------------------
- int subpixel_width() const { return m_pattern->line_width(); }
- int pattern_width() const { return m_pattern->pattern_width(); }
-
- //-------------------------------------------------------------------------
- void pixel(color_type* p, int x, int y) const
- {
- m_pattern->pixel(p, x, y);
- }
-
- //-------------------------------------------------------------------------
- void blend_color_hspan(int x, int y, unsigned len, const color_type* colors)
- {
- m_ren->blend_color_hspan(x, y, len, colors, 0);
- }
-
- //-------------------------------------------------------------------------
- void blend_color_vspan(int x, int y, unsigned len, const color_type* colors)
- {
- m_ren->blend_color_vspan(x, y, len, colors, 0);
- }
-
- //-------------------------------------------------------------------------
- static bool accurate_join_only() { return true; }
-
- //-------------------------------------------------------------------------
- template<class Cmp>
- void semidot(Cmp, int, int, int, int)
- {
- }
-
- //-------------------------------------------------------------------------
- void line0(const line_parameters&)
- {
- }
-
- //-------------------------------------------------------------------------
- void line1(const line_parameters&, int, int)
- {
- }
-
- //-------------------------------------------------------------------------
- void line2(const line_parameters&, int, int)
- {
- }
-
- //-------------------------------------------------------------------------
- void line3(const line_parameters& lp,
- int sx, int sy, int ex, int ey)
- {
- fix_degenerate_bisectrix_start(lp, &sx, &sy);
- fix_degenerate_bisectrix_end(lp, &ex, &ey);
- line_interpolator_image<self_type> li(*this, lp,
- sx, sy,
- ex, ey,
- m_start, m_scale_x);
- if(li.vertical())
- {
- while(li.step_ver());
- }
- else
- {
- while(li.step_hor());
- }
- m_start = li.pattern_end();
- }
-
- private:
- base_ren_type* m_ren;
- const pattern_type* m_pattern;
- int m_start;
- double m_scale_x;
- };
-
-
-
-
-
-}
-
-
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-09 20:07:52 +0000