diff --git a/svg01.cpp b/svg01.cpp index 4d7589e..9aa27ab 100644 --- a/svg01.cpp +++ b/svg01.cpp @@ -19,9 +19,35 @@ 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 = "midnightblue", string fill = "deeppink"){ + cout << ""; +} + + void show_histogram_svg(const vector& bins) { - svg_begin(400, 300); + 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(IMAGE_WIDTH, IMAGE_HEIGHT); + double top = 0; + for (size_t bin : bins) { + const double bin_width = BLOCK_WIDTH * bin; + svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin)); + svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT); + top += BIN_HEIGHT; + } svg_end(); }