问题二：用C++输出第一张图片

图形跟班

于 2017-01-13 22:56:52 发布

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分类专栏： C++ computer graphics 文章标签： C++-计算机图形

本文链接：https://blog.youkuaiyun.com/libing_zeng/article/details/54412618

将书上对应的代码抄写了一遍。

#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    int nx = 200;
    int ny = 100;

    ofstream outfile( "mytest.txt", ios_base::out);
    outfile << "P3\n" << nx << " " << ny << "\n255\n";

    std::cout << "P3\n" << nx << " " << ny << "\n255\n";
    for (int j = ny-1; j >= 0; j--)
    {
        for (