Загрузил(а) файлы в ''

histogram.h

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+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED

histogram_internal.h

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+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+#include <vector>
+#include <string>
+
+bool find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+std::string
+bin_color(size_t bin, size_t max_count);
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

main.cpp

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+#include <iostream>
+#include <vector>
+#include "histogram.h"
+#include "svg.h"
+#include <curl/curl.h>
+
+using namespace std;
+
+ struct Input {
+        vector<double> numbers;
+        size_t bin_count{};
+    };
+
+Input
+input_data(istream& in, bool prompt){
+
+    if (prompt == true) cerr << "Enter number_count: ";
+
+    size_t number_count;
+    in >> number_count;
+
+    Input data;
+    data.numbers.resize(number_count);
+
+    if (prompt == true) cerr << "Enter numbers: ";
+
+    for (size_t i = 0; i < number_count; i++){
+        in >> data.numbers[i];
+    }
+
+    if (prompt == true) cerr << "Enter bin count: ";
+
+    in >> data.bin_count;
+    return data;
+}
+
+int
+main()
+{
+    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin, false);
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_svg(bins);
+    return 0;
+}

my_project.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="my_project" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/my_project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+					<Add directory="curl/include" />
+				</Compiler>
+				<Linker>
+					<Add library="curl/lib/libcurl.dill.a" />
+				</Linker>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/my_project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
+		</Compiler>
+		<Linker>
+			<Add library="curl/lib/libcurl.dll.a" />
+		</Linker>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="main.cpp" />
+		<Unit filename="mainmain.c">
+			<Option compilerVar="CC" />
+		</Unit>
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
+		<Extensions />
+	</Project>
+</CodeBlocks_project_file>

svg.cpp

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+#include <iostream>
+#include "svg.h"
+
+using namespace std;
+
+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>";
+}
+
+void
+svg_rect(double x, double y, double width, double height, string stroke, string fil){
+    cout << "<rect x = '" << x << "' y = '" << y << "' width = '" << width << "' height = '" << height << "' stroke = '" << stroke << "' fill = '" << fil << "' />";
+}
+
+//string bin_color(size_t bin, size_t max_count){
+//    return ("#" + to_string(10 - (bin * 9) / max_count) + to_string(10 - (bin * 9) / max_count) + to_string(10 - (bin * 9) / max_count));
+//}
+
+void
+show_histogram_svg(const 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(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    size_t max_count = 0;
+    for (size_t x: bins) {
+        if (x > max_count) {
+                max_count = x;
+        }
+    }
+
+    double top = 0;
+    for (size_t bin : bins) {
+        const double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * bin / max_count;
+        //const auto color = bin_color(bin,max_count);
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT,"red", "#ffeeee");
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}