code:svg_output_rectangle2.0[5]

svg.cpp

@@ -13,9 +13,24 @@ void svg_end() {
 }
 
 void show_histogram_svg(const std::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;
     svg_begin(400, 300);
     svg_text(20, 20, std::to_string(bins[0]));
     svg_rect(50, 0, bins[0] * 10, 30);
+
+    double top = 0;
+    for (size_t bin : bins) {
+        const double bin_width = BLOCK_WIDTH * bin;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
     svg_end();
 }
 void svg_text(double left, double baseline, std::string text) {