diff --git a/svg.cpp b/svg.cpp new file mode 100644 index 0000000..ffd63fe --- /dev/null +++ b/svg.cpp @@ -0,0 +1,56 @@ +#include <iostream> +#include <vector> +#include "svg.h" +using namespace std; + +void +svg_begin(double width, double height) { + cout << "<?xml version='1.0' encoding='UTF-8'?>\n"; + cout << "<svg "; + cout << "width='" << width << "' "; + cout << "height='" << height << "' "; + cout << "viewBox='0 0 " << width << " " << height << "' "; + cout << "xmlns='http://www.w3.org/2000/svg'>\n"; +} + +void +svg_text(double left, double baseline, string text) { + cout << "<text x='20' y='35'>anything you want</text>"; +} + +void +svg_rect(double x, double y, double width, double height, string stroke, string fill){ + cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << 'red' << "' fill='" << '48d1cc' << "' />"; +} +void +svg_end() { + cout << "</svg>\n"; +} + +void +show_histogram_svg(const vector<size_t>& 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; + +size_t max_count = 0; + for (double bin: bins){ + if (bin > max_count) { + max_count = bin; + } + } + +svg_begin(400, 300); +double top = 0; + for (size_t bin : bins) { + const double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * bin / max_count; + svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin)); + svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red","48d1cc"); + top += BIN_HEIGHT; + } + svg_end(); +}