private void rb_reflash()
{
if (pic_Captcha_result.Image == null)
{
pic_Captcha_effect.Image = null; return;
}
Captcha obj = new Captcha(new Bitmap(pic_Captcha_result.Image));
if (rb_gray.Checked == true)
{
obj.ConvertGrayByPixels(comboBox_gray.SelectedIndex);
}
else if (rb_invert.Checked == true)
{
obj.InvertColorByPixels();
}
else if (rb_bit.Checked == true)
{
obj.ConvertGrayToBlackByPixels(Int32.Parse(textBox_bit.Text));
}
else if (rb_bright.Checked == true)
{
obj.AdjustBrightness(Int32.Parse(textBox_bright.Text));
}
pic_Captcha_effect.Image = obj.BmpSource;
}
private Captcha rb_taskEffect(Bitmap bmp)
{
Captcha tmp = new Captcha(bmp);
for (int i = 0; i < listBox_task.Items.Count; i++)
{
string[] cmd = listBox_task.Items[i].ToString().Split(' ');
switch (cmd[0])
{
case "灰階化":
tmp.ConvertGrayByPixels(Int32.Parse(cmd[1]));
break;
case "反轉顏色":
tmp.InvertColorByPixels();
break;
case "顏色二值化":
tmp.ConvertGrayToBlackByPixels(Int32.Parse(cmd[1]));
break;
case "亮度調整":
tmp.AdjustBrightness(Int32.Parse(cmd[1]));
break;
}
}
return(tmp);
}
private void StartDEMO()
{
Navigate("https://nportal.ntut.edu.tw");
if (!Loading(WB, Int32.Parse(tb_TimeOut.Text)))
{
MessageBox.Show("連線逾時!"); return;
}
Image img = GetRegCodePic(WB, "", "", "authImage");
Captcha tmp = new Captcha(new Bitmap(img));
tmp.ConvertGrayByPixels(0);
tmp.ConvertGrayToBlackByPixels(160);
tmp.InvertColorByPixels();
SplitCaptcha(tmp, 4);
WebFillIn(WB, text_id.Text, text_pw.Text, txt_p1.Text + txt_p2.Text + txt_p3.Text + txt_p4.Text);
}