字符画图代码,C/C++代码库,德仔网

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【C/C++】字符画图
作者:越泽 / 发布于2016/6/27/ 579
import java.util.*;
 
public class ASCIIArt {
    public static void drawline(String a[][], int m, int n, int x1, int y1,
            int x2, int y2) {// 输入坐标 对应的数组坐标应为 y对应数组横坐标且从下往上   x对应数组列坐标
        int i, j;
        int temp = 0;
        if (y1 < m && y2 < m) {
            y1 = m - y1 - 1;
            y2 = m - y2 - 1;//画图时，输入坐标是从左下为原点，而数组是在左上为【0】【0】 所以坐标要转换
        }
        if (x1 == x2 && x1 < n) {
            if (y1 > y2) {
                temp = y1;
                y1 = y2;
                y2 = temp;
            }
            for (i = y1; i <= y2; i++) {
                if (a[i][x1] == " -")
                    a[i][x1] = " +";
                else
                    a[i][x1] = " |"; // 画竖线
            }
        } else if (y1 == y2 && y1 < m) {
            if (x1 > x2) {
                temp = x1;
                x1 = x2;
                x2 = temp;
            }
            for (j = x1; j <= x2; j++) {
                if (a[y1][j] == " |")
                    a[y1][j] = " +";
                else
                    a[y1][j] = " -"; // 画横线
            }
        }
    }
 
    public static void fillchar(String a[][], int m, int n, int x, int y,
            String p) {
        int i, j;
        int temp[] = new int[n];
        int k = 0;
        int w = m - y - 1;
        for (j = w; j >= 0; j--) {// 横着填充
            if (a[j][x] == " -")
                break;
            for (i = x; i < n; i++) {
                if (a[j][i] == " |") {
                    int count = 0;
                    for (i = i + 1; i < n; i++) {
                        if (a[j][i] == " |") {
                            count++;
                            temp[k++] = i + 1;
                        } // 判断之后 | 的个数 并记录 | 之后的列坐标
                    }
                    if (count == 2)
                        fillchar(a, m, n, temp[k - 2], y, p); // 当有两个| | 时
                                                                // 中间继续填充 递归调用
                } else if (a[j][i] == " +")
                    break;
                else if (a[j][i] == " -")
                    continue;
                else
                    a[j][i] = p;
            }
 
        }
        for (i = x; i < n; i++) {// 竖着着填充
            if (a[w][i] == " |")
                break;
            for (j = w; j < m; j++) {
                if (a[j][i] == " -" || a[j][i] == " +")
                    break;
                else if (a[j][i] == " |")
                    continue;
                else
                    a[j][i] = p;
            }
        }
    }
 
    public static void printcanvas(String a[][], int m, int n) { // 打印数组 画出图案
        int i, j;
        for (i = 0; i < m; i++) {
            for (j = 0; j < n; j++) {
                System.out.print(a[i][j]);
            }
            System.out.println();
        }
    }
 
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int n, m, q;
        String p; // 定义要填充的字符
        int i, j, k;
        int x1, x2, y1, y2;
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt(); // 先输入列
        m = sc.nextInt();// 输入行
        q = sc.nextInt();// 输入操作个数
        String canvas[][] = new String[m][n];
 
        for (i = 0; i < m; i++)
            for (j = 0; j < n; j++)
                canvas[i][j] = "  .";
        for (i = 0; i < q; i++) {
            k = sc.nextInt();
            if (k == 0) {
                x1 = sc.nextInt();
                y1 = sc.nextInt();
                x2 = sc.nextInt();
                y2 = sc.nextInt();
                drawline(canvas, m, n, x1, y1, x2, y2);
            } else if (k == 1) {
                x1 = sc.nextInt();
                y1 = sc.nextInt();
                p = sc.nextLine();
                fillchar(canvas, m, n, x1, y1, p);
            }
        }
        printcanvas(canvas, m, n);
    }
}
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