diff --git a/svg.cpp b/svg.cpp new file mode 100644 index 0000000..ae837dc --- /dev/null +++ b/svg.cpp @@ -0,0 +1,71 @@ +#include "svg.h" +#include +#include + +using namespace std; + +void +svg_begin(double width, double height) { + cout << "\n"; + cout << "\n"; +} + +void +svg_end() { + cout << "\n"; +} + +void +svg_text(double left, double baseline, string text) { + cout << "" << text << ""; +} + +void svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black"){ + cout << ""; +} + +void +show_histogram_svg(const vector& bins) { + + const auto IMAGE_WIDTH = 400; + const auto IMAGE_HEIGHT = 300; + const auto TEXT_LEFT = 20; + const auto TEXT_BASELINE = 20; + const auto TEXT_WIDTH = 50; + const auto BIN_HEIGHT = 30; + const auto BLOCK_WIDTH = 10; + + svg_begin(400, 300); + + double top = 0; + const size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH; + double maxb = bins[0]; + + for (size_t j = 1; j < bins.size(); j++) + { + if (bins[j] > maxb) maxb = bins[j]; + } + + maxb = maxb * BLOCK_WIDTH; + + for (size_t bin : bins) { + + double bin_width; + + if (maxb > MAX_ASTERISK) + { + bin_width = BLOCK_WIDTH * MAX_ASTERISK * (bin / maxb); + } + else bin_width = BLOCK_WIDTH * bin; + + svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin)); + svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red", "ffeeee"); + top += BIN_HEIGHT; +} + + svg_end(); +} diff --git a/svg.h b/svg.h new file mode 100644 index 0000000..9c624fa --- /dev/null +++ b/svg.h @@ -0,0 +1,5 @@ +#pragma once +#include + +void +show_histogram_svg(const std::vector& bins);