94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
#include <iostream>
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#include <ctime>
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#include <cmath>
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#include <libscterm.hpp>
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void show_rows_cols(const sc::term& t) {
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std::cout << t.rows() << " rows, " << t.cols() << " cols\n";
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}
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void show_progress(const sc::term& t) {
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struct timespec tm;
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tm.tv_nsec = 20000000;
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tm.tv_sec = 0;
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sc::cursor_hider ch {STDERR_FILENO};
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for (int i = 0; i < 1000; ++i) {
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t.progress(i, 1000);
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nanosleep(&tm, nullptr);
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}
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std::cerr << std::endl;
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}
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void show_hue_bar(const sc::term& t, int top) {
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int r = top;
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int g = 0;
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int b = 0;
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// red -> yellow
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while (g <= top) {
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t.rgbb(r, g++, b);
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std::cerr << ' ';
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}
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g = top;
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// yellow -> green
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while (r >= 0) {
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t.rgbb(r--, g, b);
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std::cerr << ' ';
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}
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r = 0;
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// green -> cyan
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while (b < 6) {
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t.rgbb(r, g, b++);
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std::cerr << ' ';
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}
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b = top;
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// cyan -> blue
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while (g >= 0) {
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t.rgbb(r, g--, b);
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std::cerr << ' ';
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}
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g = 0;
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// blue -> magenta
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while (r <= top) {
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t.rgbb(r++, g, b);
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std::cerr << ' ';
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}
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r = top;
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// magenta -> red
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while (b >= 0) {
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t.rgbb(r, g, b--);
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std::cerr << ' ';
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}
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t.reset();
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std::cerr << std::endl;
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}
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void show_hue_bars(const sc::term& t) {
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for (int top = 1; top < 6; ++top) {
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show_hue_bar(t, top);
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}
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}
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void show_grayscale_bar(const sc::term& t) {
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for (int i = 0; i < 23; ++i) {
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t.grayb(i);
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std::cerr << ' ';
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}
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t.reset();
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std::cerr << std::endl;
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}
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int main() {
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sc::term term {STDERR_FILENO};
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try {
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show_rows_cols(term);
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show_grayscale_bar(term);
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show_hue_bars(term);
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show_progress(term);
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} catch (const std::exception& ex) {
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term.reset();
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std::cerr << ex.what() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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