Chapter13_drill_PPPC++

c13_drill.cpp

#include "Simple_window.h"
#include "Graph.h"

int main()
{
    // ドリル(1)
    Simple_window win1(Point(20, 20), 800, 1000, "Chapter13 Drill");

    // ドリル(2)
    int x_size = 800;
    int y_size = 800;
    int x_grid = 100;
    int y_grid = 100;

    Lines grid;
    for(int x = x_grid; x < x_size; x += x_grid){
        grid.add(Point(x, 0), Point(x, y_size));
    }
    for(int y = y_grid; y < y_size; y+= y_grid){
        grid.add(Point(0, y), Point(x_size, y));
    }
    win1.attach(grid);

    // ドリル(3)
    Vector_ref<Graph_lib::Rectangle> rec;
    for(int i = 0; i < x_size; i += x_grid){
        rec.push_back(new Graph_lib::Rectangle(Point(i, i), x_grid, y_grid));
    }
    for(int i = 0; i < rec.size(); i++){
        rec[i].set_fill_color(Color::red);
        win1.attach(rec[i]);
    }

    // ドリル(4)
    Image img1(Point(200, 0), "hoge.jpg");
    Image img2(Point(400, 200), "hoge.jpg");
    Image img3(Point(600, 400), "hoge.jpg");
    win1.attach(img1);
    win1.attach(img2);
    win1.attach(img3);

    // ドリル(5)
    int x_p = 0;
    int y_p = 0;
    Image img4(Point(x_p, y_p), "moga.jpg");
    win1.attach(img4);

    while(x_p < x_size && y_p < y_size){
        win1.wait_for_button();
        img4.move(x_grid, y_grid);
        x_p += x_grid;
        y_p += y_grid;
    }
}