#ifndef AGGPLOT_CANVAS_H
#define AGGPLOT_CANVAS_H
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "agg_basics.h"
#include "agg_rendering_buffer.h"
#include "agg_rasterizer_scanline_aa.h"
#include "agg_pixfmt_rgb.h"
#include "agg_scanline_p.h"
#include "agg_renderer_scanline.h"
#include "agg_trans_viewport.h"
#include "agg_conv_stroke.h"
#include "agg_gamma_lut.h"
class pixel_gamma_corr {
 typedef agg::gamma_lut<agg::int8u, agg::int16u, 8, 12> gamma_type;
 typedef agg::pixfmt_bgr24_gamma<gamma_type> pixel_fmt;
 gamma_type m_gamma;
public:
 typedef pixel_fmt fmt;
 pixel_fmt pixfmt;
 pixel_gamma_corr(agg::rendering_buffer& ren_buf): 
 m_gamma(2.2), pixfmt(ren_buf, m_gamma) 
 { };
 enum { line_width = 150 };
};
struct pixel_simple {
 agg::pixfmt_bgr24 pixfmt;
 typedef agg::pixfmt_bgr24 fmt;
 pixel_simple(agg::rendering_buffer& ren_buf): pixfmt(ren_buf) { };
 enum { line_width = 100 };
};
template <class pixel>
class canvas_gen : private pixel {
 typedef agg::renderer_base<typename pixel::fmt> renderer_base;
 typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
 renderer_base rb;
 renderer_solid rs;
 agg::rasterizer_scanline_aa<strong> ras;
 agg::scanline_p8 sl;
 agg::rgba bg_color;
 double m_width;
 double m_height;
public:
 canvas_gen(agg::rendering_buffer& ren_buf, double width, double height, 
	 agg::rgba bgcol): 
 pixel(ren_buf), rb(pixel::pixfmt), rs(rb),
 ras(), sl(), bg_color(bgcol),
 m_width(width), m_height(height)
 {
 };
 double width() const { return m_width; };
 double height() const { return m_height; };
 void clear() { rb.clear(bg_color); };
 void clear_box(const agg::rect_base<int>& r)
 {
 for (int y = r.y1; y < r.y2; y++) this->rb.copy_hline (r.x1, y, r.x2, bg_color);
 };
 void clip_box(const agg::rect_base<int>& clip)
 {
 this->rb.clip_box_naked(clip.x1, clip.y1, clip.x2, clip.y2);
 };
 void reset_clipping() { this->rb.reset_clipping(true); };
 template<class VertexSource>
 void draw(VertexSource& vs, agg::rgba8 c)
 {
 this->ras.add_path(vs);
 this->rs.color(c);
 agg::render_scanlines(this->ras, this->sl, this->rs);
 };
 template<class VertexSource>
 void draw_outline(VertexSource& vs, agg::rgba8 c)
 {
 agg::conv_stroke<vertexsource> line(vs);
 line.width(pixel::line_width / 100.0);
 line.line_cap(agg::round_cap);
 this->ras.add_path(line);
 this->rs.color(c);
 agg::render_scanlines(this->ras, this->sl, this->rs);
 };
};
#ifdef DISABLE_GAMMA_CORR
typedef canvas_gen<pixel_simple> canvas;
#else
typedef canvas_gen<pixel_gamma_corr> canvas;
#endif
#endif
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://cgit.git.savannah.gnu.org/cgit/gsl-shell.git/plain/agg-plot/canvas.h?id=65ceb0cae23f9ade2f5d7b51e94286e10b525852">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://cgit.git.savannah.gnu.org/cgit/gsl-shell.git/plain/agg-plot/canvas.h?id=65ceb0cae23f9ade2f5d7b51e94286e10b525852" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>