code: добавление файлов для цветного вывода гистограммы

cs-project3.cpp

@@ -3,6 +3,7 @@
 #include "histogram.h"
 #include "text.h"
 #include "histogram_internal.h"
+#include "svg.h"
 
 using namespace std;
 
@@ -29,6 +30,6 @@ input_data() {
 int main() {
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins);
+    show_histogram_svg(bins);
     return 0;
 }

svg.cpp

@@ -0,0 +1,52 @@
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+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;
+
+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_end() {
+    cout << "</svg>\n";
+}
+
+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) {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='#6600CC' fill='#aaffaa' /> \n";
+}
+
+
+void
+show_histogram_svg(const vector<size_t>& bins) {
+    double top = 0;
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    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();
+}

svg.h

@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins);

unittest/cs-project3/unittest.cpp

@@ -10,3 +10,17 @@ TEST_CASE("distinct positive numbers") {
     CHECK(min == 1);
     CHECK(max == 2);
 }
+TEST_CASE("check if vector is only one in length") {
+    double min = 3;
+    double max = 3;
+    find_minmax({ 3 }, min, max);
+    CHECK(min == 3);
+    CHECK(max == 3);
+}
+TEST_CASE("all numbers are same") {
+    double min = 1;
+    double max = 1;
+    find_minmax({ 1, 1, 1, 1, 1, 1, 1, }, min, max);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}

unittest/cs-project3/x64/Debug/cs-project3.log

@@ -1,4 +1,2 @@
-  histogram.cpp
-  unittest.cpp
-  Создание кода...
+  unittest.cpp
   cs-project3.vcxproj -> C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\x64\Debug\cs-project3.exe