[C#] 纯文本查看 复制代码
private void button1_Click(object sender, EventArgs e)
{
string str = null;
//上传照片
OpenFileDialog op = new OpenFileDialog();
if (op.ShowDialog() == DialogResult.OK)
{
var image = File.ReadAllBytes(op.FileName);
MemoryStream ms1 = new MemoryStream(image);
Bitmap bm = (Bitmap)Image.FromStream(ms1);
str = Generate.GenerateStr(bm, int.Parse(comboBox2.Text),
int.Parse(comboBox1.Text), int.Parse(comboBox3.Text));
}
this.btnSave_Click(str);
textBox1.Text = "已生成，文件位置D:\\test.txt";
}
private void btnSave_Click(string s)
{
StreamWriter sw = File.AppendText(@"D:\\test.txt"); //保存到指定路径
sw.Write(s);
sw.Flush();
sw.Close();
}
/// <summary>
/// 生成string
/// </summary>
/// <param name="bitmap">照片</param>
/// <param name="rowSize">行大小</param>
/// <param name="colSize">列大小</param>
/// <param name="type">模式</param>
/// <returns></returns>
public static string GenerateStr(Bitmap bitmap, int rowSize, int colSize, int type)
{
StringBuilder result = new StringBuilder();
char[] charset = { ' ', '.', ',', ':', ';', 'i', '1', 'r', 's', '5', '3', 'A', 'H', '9', '8', '&', '@', '#' };
if (type == 1)
{
charset = new char[] { ' ', '.', '1', '2', '0', '7', '5', '3', '4', '6', '9', '8' };
}
else if (type == 2)
{
charset = new char[] { '丶', '卜', '乙', '日', '瓦', '車', '馬', '龠', '齱', '龖' };
}
int bitmapH = bitmap.Height;
int bitmapW = bitmap.Width;
for (int h = 0; h < bitmapH / rowSize; h++)
{
int offsetY = h * rowSize;
for (int w = 0; w < bitmapW / colSize; w++)
{
int offSetX = w * colSize;
float averBright = 0;
for (int j = 0; j < rowSize; j++)
{
for (int i = 0; i < colSize; i++)
{
try
{
Color color = bitmap.GetPixel(offSetX + 1, offsetY + j);
averBright += color.GetBrightness();
}
catch (ArgumentOutOfRangeException)
{
averBright += 0;
}
}
}
averBright /= (rowSize * colSize);
int index = (int)(averBright * charset.Length);
if (index == charset.Length)
index--;
result.Append(charset[charset.Length - 1 - index]);
}
result.Append("\r\n");
}
return result.ToString(); }
发表于 2020-9-11 11:40
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发表于 2020-9-11 11:42
