code: for my var

.gitignore

@@ -1,2 +1,3 @@
 *.exe
 *.dSYM/
+/curl

l03.cpp

@@ -3,49 +3,114 @@
 #include "histogram.h"
 #include "svg.h"
 #include "text.h"
-
+#include <curl/curl.h>
+#include <sstream>
+#include <string>
 
 using namespace std;
 
-const size_t SCREEN_WIDTH = 80;
-const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-
 struct Input
 {
     vector<double> numbers;
     size_t bin_count{};
 };
 
-Input input_data()
+Input input_data(istream &in, bool promt)
 {
 
     size_t number_count, bin_count;
 
-    cerr << "Enter number count: ";
-    cin >> number_count;
+    if (promt)
+    {
+        cerr << "Enter number count: ";
+    }
+    in >> number_count;
 
-    Input in;
-    in.numbers.resize(number_count);
+    Input input;
 
-    cerr << "Enter numbers: ";
-
-    // vector<double> numbers(number_count);
+    input.numbers.resize(number_count);
+    if (promt)
+    {
+        cerr << "Enter numbers: ";
+    }
 
     for (size_t i = 0; i < number_count; i++)
     {
-        cin >> in.numbers[i];
+        in >> input.numbers[i];
     }
 
-    cerr << "Count of baskets: ";
-    cin >> in.bin_count;
+    if (promt)
+    {
+        cerr << "Count of baskets: ";
+    }
+    in >> input.bin_count;
 
-    return in;
+    return input;
 }
-
-int main()
+size_t
+write_data(void *items, size_t item_size, size_t item_count, void *ctx)
 {
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins); 
-    return 0;
+    size_t data_size = item_count * item_size;
+
+    stringstream *buffer = reinterpret_cast<stringstream *>(ctx);
+    char *item = reinterpret_cast<char *>(items);
+    //(*buffer).write(item, data_size);
+    buffer->write(item, data_size);
+
+    return data_size;
+}
+
+Input download(const string &address)
+{
+    stringstream buffer;
+
+    // address.c_str();
+
+    curl_global_init(CURL_GLOBAL_ALL);
+    {
+        CURL *curl = curl_easy_init();
+        if (curl)
+        {
+            CURLcode res;
+            double total;
+            curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+
+            res = curl_easy_perform(curl);
+
+            if (res != CURLE_OK)
+            {
+
+                fprintf(stderr, "curl_easy_perform() failed: %s\n",
+                        curl_easy_strerror(res));
+                exit(1);
+            }
+
+            if (CURLE_OK == res)
+            {
+                res = curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &total);
+                cerr << "Time spending for downloading file: " << total << endl;
+            }
+            curl_easy_cleanup(curl);
+        }
+    }
+
+    return input_data(buffer, false);
+}
+
+int main(int argc, char *argv[])
+{
+    Input input;
+    if (argc > 1)
+    {
+        input = download(argv[1]);
+    }
+    else
+    {
+        input = input_data(cin, true);
+    }
+
+    const auto bins = make_histogram(input.numbers, input.bin_count);
+    show_histogram_svg(bins);
 }

svg.cpp

@@ -3,14 +3,6 @@
 #include "svg.h"
 // #include"svg_rect.h"
 
-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)
 {
     std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
@@ -26,35 +18,59 @@ void svg_end()
     std::cout << "</svg>\n";
 }
 
-void svg_text(double left, double baseline, std::string text)
+void svg_text(double left, double baseline, std::string text, int check)
 {
     // std::cout << "<text x='20' y='35'>text</text>";
 
-    std::cout << "<text x=' " << left << " ' y='" << baseline << "' > " << text << " </text>";
+    if (check == 0)
+    {
+        std::cout << "<text x=' " << left << " ' y='" << baseline << "'> uncorectly width of image </text>";
+        //std::cout << "<text x='20' y='35' >uncorectly width of image </text>"; //больше 100 ничего нет
+    }
+
+    if (check == 1)
+    {
+        std::cout << "<text x=' " << left << " ' y='" << baseline << "' > " << text << " </text>";
+    }
 
     // std::cout << "<text x='20' y='" << baseline << "' >2</text>";
 }
 
-void svg_rect(double x, double y, double width, double height)
+void svg_rect(double x, double y, double width, double height, int check)
 {
+    //if (check == 0)
+    //{
+        //std::cout << "<rect x=' " << x << " ' y='" << y << "' width='" << width << "' height='" << height << " ' stroke='yellow' >uncorectly width of image</rect>";
+    //}
 
-    std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << " ' stroke='yellow' fill='#9932CC' ></rect>";
+    if ( check == 1)
+    {
+        std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << " ' stroke='yellow' fill='#9932CC' ></rect>";
+    }
 }
 
-void show_histogram_svg(const std::vector<int> &bins)
+void show_histogram_svg(const std::vector<int> &bins, size_t IMAGE_WIDTH)
 {
-    const auto SCALE = (IMAGE_WIDTH - TEXT_WIDTH);
-    const auto IMAGE_WIDTH = 400;
+
+    // std::cout << IMAGE_WIDTH <<std::endl;
+    //  const auto IMAGE_WIDTH = 400;
+
+    // if (IMAGE_WIDTH > 70 && IMAGE_WIDTH < 800){
+
+    // return 1;
+
     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;
+    const auto SCALE = (IMAGE_WIDTH - TEXT_WIDTH);
     svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
     double top = 0;
     for (size_t bin : bins)
     {
+        int check = 0;
         double bin_width = BLOCK_WIDTH * bin;
 
         if (bin_width > SCALE)
@@ -62,8 +78,16 @@ void show_histogram_svg(const std::vector<int> &bins)
             bin_width = SCALE;
         }
 
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        //if (IMAGE_WIDTH < 70 && IMAGE_WIDTH > 800)
+        //{
+        //check = 0;
+        //}
+        if (IMAGE_WIDTH > 70 && IMAGE_WIDTH < 800 && IMAGE_WIDTH > 1./3*(bin*BLOCK_WIDTH))
+        {
+            check = 1;
+        }
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin), check);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, check);
         top += BIN_HEIGHT;
     }
 

svg.h

@@ -3,6 +3,6 @@
 #include <vector>
 
 void
-show_histogram_svg(const std::vector<int>& bins);
+show_histogram_svg(const std::vector<int>& bins, size_t IMAGE_WIDTH);
 
 #endif     //SVG_H_INCLUDED