code: Реализовано масштабирование гистограммы

LABA1.cpp

@@ -19,7 +19,7 @@ void svg_text(double left, double baseline, string text) {
     cout << "<text x='" << left << "' y='" << baseline << "'>" << text <<"</text>\n";
 }
 
-void svg_rect(double x, double y, double width, double height, string stroke = "red", string fill = "red") {
+void svg_rect(double x, double y, double width, double height, string stroke = "yellow", string fill = "red") {
     cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' stroke='" << stroke << "' height='" << height << "' fill='" << fill << "' />\n";
 }
 
@@ -35,12 +35,16 @@ void show_histogram_svg(const vector<double>& marks, const vector<double>& chart
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
     const auto BLOCK_WIDTH = 10;
-    svg_begin(400, 300);
+    double min = 0, max = 0, scale = 1;
+    int maxlen = IMAGE_WIDTH - TEXT_WIDTH;
+    svg_begin(4000, 300);
     double top = 0;
+    FindMinMax(chart, min, max);
+    scale = max * BLOCK_WIDTH / maxlen;
     for (double bin : chart) {
-        const double bin_width = BLOCK_WIDTH * bin;
+        double bin_width = BLOCK_WIDTH * bin;
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string((int)bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        svg_rect(TEXT_WIDTH, top, bin_width / scale, BIN_HEIGHT);
         top += BIN_HEIGHT;
     }
     svg_end();