diff --git a/main.cpp b/main.cpp index 0ba0169..fd75335 100644 --- a/main.cpp +++ b/main.cpp @@ -2,6 +2,7 @@ #include #include "histogram.h" #include "text.h" +#include "svg.h" using namespace std; @@ -29,6 +30,6 @@ int main() { auto in = input_data(); auto bins = make_histogram(in.numbers, in.bin_count); - show_histogram_text(bins, in.bin_count); + show_histogram_svg(bins); return 0; } diff --git a/svg.cpp b/svg.cpp new file mode 100644 index 0000000..60b1cfc --- /dev/null +++ b/svg.cpp @@ -0,0 +1,56 @@ +#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 = "orange"){ + 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; + svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT); + double top = 0; + double maxbin = bins[0]; + for (size_t bin : bins) { + if (maxbin < bin){ + maxbin = bin; + } + } + for (size_t bin : bins) { + double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * ( bin / maxbin ); + svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin)); + svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT); + top += BIN_HEIGHT; + } + svg_end(); +} diff --git a/svg.h b/svg.h new file mode 100644 index 0000000..5e3353c --- /dev/null +++ b/svg.h @@ -0,0 +1,5 @@ +#pragma once +#include + +void +show_histogram_svg(const std::vector& bins);