| -rw-r--r-- | agg-plot/units-plot.cpp | 114 |
diff --git a/agg-plot/units-plot.cpp b/agg-plot/units-plot.cpp new file mode 100644 index 00000000..b9562168 --- /dev/null +++ b/agg-plot/units-plot.cpp @@ -0,0 +1,114 @@ +#include "units_cplot.h" + +#include "agg_vcgen_markers_term.h" +#include "agg_conv_stroke.h" +#include "agg_conv_dash.h" +#include "agg_gsv_text.h" + +void +units_cplot::draw_axis(canvas &canvas) +{ + typedef agg::path_storage path_type; + typedef agg::conv_dash<agg::conv_transform<path_type>, agg::vcgen_markers_term> dash_type; + + agg::trans_affine m; + viewport_scale(m); + canvas.scale(m); + + agg::path_storage mark; + agg::conv_transform<path_type> mark_tr(mark, m); + agg::conv_stroke<agg::conv_transform<path_type> > mark_stroke(mark_tr); + + agg::path_storage ln; + agg::conv_transform<path_type> lntr(ln, m); + dash_type lndash(lntr); + agg::conv_stroke<dash_type> lns(lndash); + + { + int jinf = m_uy.begin(), jsup = m_uy.end(); + for (int j = jinf; j <= jsup; j++) + { + double y = double(j - jinf) / double(jsup - jinf); + agg::gsv_text lab; + agg::conv_stroke<agg::gsv_text> labs(lab); + char lab_text[32]; + double xlab = 0, ylab = y; + + lab.size(10.0); + m_uy.mark_label(lab_text, 32, j); + lab.text(lab_text); + labs.width(0.7); + + m.transform(&xlab, &ylab); + + xlab += -lab.text_width() - 8.0; + ylab += -10.0/2.0; + + lab.start_point(xlab, ylab); + canvas.draw(labs, agg::rgba(0, 0, 0)); + + mark.move_to(0.0, y); + mark.line_to(-0.01, y); + + if (j > jinf && j < jsup) + { + ln.move_to(0.0, y); + ln.line_to(1.0, y); + } + } + } + + { + int jinf = m_ux.begin(), jsup = m_ux.end(); + for (int j = jinf; j <= jsup; j++) + { + double x = double(j - jinf) / double(jsup - jinf); + agg::gsv_text lab; + agg::conv_stroke<agg::gsv_text> labs(lab); + char lab_text[32]; + double xlab = x, ylab = 0; + + lab.size(10.0); + m_ux.mark_label(lab_text, 32, j); + lab.text(lab_text); + labs.width(0.7); + + m.transform(&xlab, &ylab); + + xlab += -lab.text_width()/2.0; + ylab += -10.0 - 10.0; + + lab.start_point(xlab, ylab); + canvas.draw(labs, agg::rgba(0, 0, 0)); + + mark.move_to(x, 0.0); + mark.line_to(x, -0.01); + + if (j > jinf && j < jsup) + { + ln.move_to(x, 0.0); + ln.line_to(x, 1.0); + } + } + } + + lndash.add_dash(8.0, 4.0); + + lns.width(0.25); + canvas.draw(lns, agg::rgba(0.2, 0.2, 0.2)); + + mark_stroke.width(1.0); + canvas.draw(mark_stroke, agg::rgba8(0, 0, 0)); + + agg::path_storage box; + agg::conv_transform<path_type> boxtr(box, m); + agg::conv_stroke<agg::conv_transform<path_type> > boxs(boxtr); + + box.move_to(0.0, 0.0); + box.line_to(0.0, 1.0); + box.line_to(1.0, 1.0); + box.line_to(1.0, 0.0); + box.close_polygon(); + + canvas.draw(boxs, agg::rgba8(0, 0, 0)); +}; |