upd:Код откачен до момента защиты

main
PARZIVAL (BreganIM) 1 месяц назад
Родитель c250c10e38
Сommit 80f146ba36

@ -4,11 +4,11 @@ using namespace std;
void svg_begin(double width, double height) { void svg_begin(double width, double height) {
cout << "<?xml version='1.0' encoding='UTF-8'?>\n"; cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
cout << "<svg " cout << "<svg ";
<< "width='" << width << "' " cout << "width='" << width << "' ";
<< "height='" << height << "' " cout << "height='" << height << "' ";
<< "viewBox='0 0 " << width << " " << height << "' " cout << "viewBox='0 0 " << width << " " << height << "' ";
<< "xmlns='http://www.w3.org/2000/svg'>\n"; cout << "xmlns='http://www.w3.org/2000/svg'>\n";
} }
void svg_end() { void svg_end() {
@ -33,40 +33,38 @@ void svg_rect(double x, double y, double width, double height,
<< "' />\n"; << "' />\n";
} }
void show_histogram_svg(const std::vector<size_t>& bins, double bin_size, double min_val) { void show_histogram_svg(const vector<size_t>& bins) {
const double IMAGE_WIDTH = 400; const double IMAGE_WIDTH = 400;
const double IMAGE_HEIGHT = 300; const double IMAGE_HEIGHT = 300;
const double TEXT_LEFT = 20; const double TEXT_LEFT = 20;
const double TEXT_BASELINE = 20; const double TEXT_BASELINE = 20;
const double TEXT_WIDTH = 50; const double TEXT_WIDTH = 50;
const double BIN_HEIGHT = 30; const double BIN_HEIGHT = 30;
const double VSPACE = BIN_HEIGHT + TEXT_BASELINE * 2 + 5; const double BLOCK_WIDTH = 10;
svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT); svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
size_t max_count = 0; size_t max_count = 0;
for (size_t c : bins) for (size_t count : bins) {
if (c > max_count) if (count > max_count) {
max_count = c; max_count = count;
double max_width = IMAGE_WIDTH - TEXT_WIDTH - 100; }
}
for (size_t j = 0; j < bins.size(); ++j) {
size_t count = bins[j];
double y = j * VSPACE;
double width; double max_width = IMAGE_WIDTH - TEXT_WIDTH;
double top = 0;
for (size_t count : bins) {
double bin_width;
if (max_count > 0) { if (max_count > 0) {
width = static_cast<double>(count) / max_count * max_width; bin_width = static_cast<double>(count) / max_count * max_width;
} }
else { else {
width = 0.0; bin_width = 0.0;
} }
svg_text(TEXT_LEFT, y + TEXT_BASELINE, to_string(count)); svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(count));
svg_rect(TEXT_WIDTH, y, width, BIN_HEIGHT, "blue", "blue"); svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "blue", "blue");
double boundary = min_val + bin_size * (j + 1); top += BIN_HEIGHT;
svg_text(TEXT_WIDTH,y + BIN_HEIGHT + TEXT_BASELINE,to_string(boundary)
);
} }
svg_end(); svg_end();

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