| -rw-r--r-- | agg-plot/plot.h | 79 |
diff --git a/agg-plot/plot.h b/agg-plot/plot.h new file mode 100644 index 00000000..645857f6 --- /dev/null +++ b/agg-plot/plot.h @@ -0,0 +1,79 @@ +#ifndef AGGPLOT_CPLOT_H +#define AGGPLOT_CPLOT_H + +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> + +#include "vertex-source.h" + +#include "drawables.h" +#include "canvas.h" +#include "units.h" + +#include "agg_conv_transform.h" +#include "agg_color_rgba.h" +#include "agg_path_storage.h" +#include "agg_ellipse.h" +#include "agg_array.h" + +struct drawable { + vertex_source* vs; + agg::rgba8 color; + + drawable(): vs(NULL), color() {}; + drawable(vertex_source* vs, agg::rgba8 c): vs(vs), color(c) {}; + + ~drawable() {}; + + void bounding_box(double *x1, double *y1, double *x2, double *y2) + { + vertex_source& vsi = get_vertex_source(); + vsi.bounding_box(x1, y1, x2, y2); + }; + + vertex_source& get_vertex_source() { return *vs; }; + +/* + void draw(canvas& canvas, agg::trans_affine& t) + { + vs_type& vsi = get_vertex_source(); + agg::conv_transform<vs_type> p(vsi, t); + canvas.draw(p, color); + }; +*/ +}; + +class plot { +public: + plot() : m_elements(), m_trans(), m_bbox_updated(true) { }; + virtual ~plot() {}; + + void add(vertex_source* vs, agg::rgba8 color) + { + drawable d(vs, color); + m_elements.add(d); + m_bbox_updated = false; + }; + + virtual void draw(canvas &canvas) + { + trans_matrix_update(); + draw_elements(canvas); + }; + +protected: + void draw_elements(canvas &canvas); + void bounding_box(double *x1, double *y1, double *x2, double *y2); + virtual void trans_matrix_update(); + + static void viewport_scale(agg::trans_affine& trans); + + agg::pod_bvector<drawable> m_elements; + agg::trans_affine m_trans; + + // bounding box + bool m_bbox_updated; +}; + +#endif |