code: Добавлен ситуативный ввод, callback и инд. вариант

fin_lab34.cbp

@@ -14,6 +14,11 @@
 				<Compiler>
 					<Add option="-g" />
 				</Compiler>
+				<Linker>
+					<Add option="-static-libstdc++" />
+					<Add option="-static-libgcc" />
+					<Add option="-static" />
+				</Linker>
 			</Target>
 			<Target title="Release">
 				<Option output="bin/Release/fin_lab34" prefix_auto="1" extension_auto="1" />
@@ -25,14 +30,34 @@
 				</Compiler>
 				<Linker>
 					<Add option="-s" />
+					<Add option="-static-libstdc++" />
+					<Add option="-static-libgcc" />
+					<Add option="-static" />
 				</Linker>
 			</Target>
 		</Build>
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="D:/PROG/PROGRAMMING/fin_lab34/curl/include" />
 		</Compiler>
-		<Unit filename="main.cpp" />
+		<Linker>
+			<Add option="-static-libstdc++" />
+			<Add option="-static-libgcc" />
+			<Add option="-static" />
+			<Add option="-DCURL_STATICLIB" />
+			<Add library="D:/PROG/PROGRAMMING/fin_lab34/curl/lib/libcurl.dll.a" />
+			<Add directory="D:/PROG/PROGRAMMING/fin_lab34/curl/lib" />
+		</Linker>
+		<Unit filename=".gitignore" />
+		<Unit filename="fin_lab34.cpp" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>

fin_lab34.cpp

@@ -1,9 +1,14 @@
 #include <iostream>
 #include <vector>
 #include <cmath>
+#include <sstream>
+#include <string>
+#include <fstream>
+#include <curl/curl.h>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+
 const size_t WINDOW_WIDTH = 80;
 const size_t MAX_VALUE = WINDOW_WIDTH - 3 - 1;
 using namespace std;
@@ -14,24 +19,72 @@ struct Input{
 };
 
 Input
-input_data(){
+input_data(istream &thread, bool prompt){
+       //ïðîèçîøëà íàêëàäêà ñ èìåíàìè ïåðåìåííûõ: ïðè íàçâàíèè ïîòîêà in ðóãàåòñÿ íà ñ22, â êîòîðîé ÿêîáû îáúÿâëÿåòñÿ àðãóìåíò
+    prompt = false;
     size_t number_count;
+    if (prompt) {cerr << "Enter the amount of numbers: " << endl;}
     cin >> number_count;
     Input in;
     in.numbers.resize(number_count);
+    if (prompt) {cerr << "Enter the numbers: " << endl;}
     for (size_t i = 0; i < number_count; i++) {
         cin >> in.numbers[i];
     }
+    if (prompt) {cerr << "Enter the amount of bins: " << endl;}
     cin >> in.bin_count;
     return in;
 }
 
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    size_t data_size = item_size * item_count;
+    (*buffer).write(reinterpret_cast<const char*> (items), data_size);
+    return data_size;
+}
+
+Input
+download(const string& address){
+    stringstream buffer;
+    CURLcode res;
+    CURL *curl = curl_easy_init();
+    if (curl){
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        res = curl_easy_perform(curl);
+        cerr << curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, write_data);  //var 8
+        if (res != CURLE_OK){
+            cerr << curl_easy_strerror(res);
+            exit(1);
+        }
+    return input_data(buffer, false);
+    }
+    curl_easy_cleanup(curl);
+}
+
+
 int
-main(){
+main(int argc, char* argv[]){
-    double min = 0, max = 0;
+    curl_global_init(CURL_GLOBAL_ALL);
-    Input in = input_data();
+    Input input, in;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
+    curl_global_init(CURL_GLOBAL_ALL);
+    //CURLcode curl_global_init(CURL_GLOBAL_ALL);
+    size_t font = 0;
+    //auto in = input_data(cin, prompt);
     auto bins = make_histogram(in.numbers, in.bin_count);
     //for (auto now: bins) {cout << now << endl;}
-    show_histogram_svg(bins);
+    cin >> font;
+    if (font < 8) {(cerr << font << "Font value is too small. Please, edit the input file.");}
+    else if (font > 32) {(cerr << "Font value is too large. Please, edit the input file.");}
+    else {show_histogram_svg(bins, font);}
     return 0;
 }
+
+//ñ êëàâèàòóðû â marks.txt, ñ marks.txt â marks.svg

svg.cpp

@@ -1,5 +1,6 @@
 #include <iostream>
 #include <vector>
+#include <string>
 #include "svg.h"
 using namespace std;
 void
@@ -16,9 +17,42 @@ void
 svg_end() {
     cout << "</svg>\n";
 }
+void
+svg_text(double left, double baseline, size_t font, string text){
+    cout << "<text x='" << left << "' y='" << baseline << "' font-size='" << font << "' >" << text << " </text>" << endl;
+    return;
+}
+void
+svg_rect(double x, double y, double width, double height, string stroke = "#ed53a8", string fill = "#9df3a1"){
+    cout << "<rect x='" << x << "' y='" << y << "' width= '" << width << "' height= '" << height << "' stroke= '" << stroke << "' fill= '" << fill << "'/>" << endl;
+    return;
+}
 
 void
-show_histogram_svg(const vector <size_t> &bins) {
+show_histogram_svg(const vector <size_t> &bins, size_t &font) {
-    svg_begin(400, 300);
+
+    const auto IMAGE_WIDTH = 800;
+    const auto IMAGE_HEIGHT = 600;
+    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 MAX_VALUE = IMAGE_WIDTH - TEXT_WIDTH;
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    double top = 0;
+    size_t max_count = 0;
+
+    for (auto now: bins)
+        {if (now > max_count) {max_count = now;}}
+    for (size_t bin : bins){
+        double bin_width = BLOCK_WIDTH * bin;
+        if (bin == max_count) {bin_width = MAX_VALUE * 1.0;}
+        else {bin_width = MAX_VALUE * (static_cast <double> (bin) / max_count);}
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, font, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
     svg_end();
+    return;
 }

svg.h

@@ -1,6 +1,7 @@
 #ifndef SVG_H_INCLUDED
 #define SVG_H_INCLUDED
 #include <vector>
+#include <string>
 using namespace std;
 void
 svg_begin(double width, double height);
@@ -9,5 +10,14 @@ void
 svg_end();
 
 void
-show_histogram_svg(const vector <size_t> &bins);
+svg_text(double left, double baseline, size_t font, string text);
+
+size_t
+enter_font_size(size_t &font);
+
+void
+svg_rect(double x, double y, double width, double height, string stroke, string fill);
+
+void
+show_histogram_svg(const vector <size_t> &bins, size_t &font);
 #endif // SVG_H_INCLUDED