// Convert image to ascii text-image using ImageToText object.
private string GetAsciiImage(bool useBlock)
{
if (AsciiArtist == null)
{
return(null);
}
;
int width = -1;
int height = -1;
int scale = 1;
// Retrieve image width.
if (txtWidth.Text != "")
{
string val = txtWidth.Text;
bool isPercent = false;
if (val.EndsWith("%"))
{
isPercent = true;
val = val.Substring(0, val.Length - 1);
}
try
{
width = (int)UInt16.Parse(val);
if (isPercent)
{
width = AsciiArtist.ImageWidth * width / 100;
txtWidth.Text = width.ToString();
}
}
catch
{
width = AsciiArtist.ImageWidth;
txtWidth.Text = width.ToString();
MessageBox.Show("Invalid image width! Reset to default value.", "Error");
}
}
// Retrieve image height.
if (txtHeight.Text != "")
{
string val = txtHeight.Text;
bool isPercent = false;
if (val.EndsWith("%"))
{
isPercent = true;
val = val.Substring(0, val.Length - 1);
}
try
{
height = (int)UInt16.Parse(val);
if (isPercent)
{
height = AsciiArtist.ImageHeight * height / 100;
txtHeight.Text = height.ToString();
}
}
catch
{
height = AsciiArtist.ImageHeight;
txtHeight.Text = height.ToString();
MessageBox.Show("Invalid image height! Reset to default value.", "Error");
}
}
// Validate image width & height.
if ((txtWidth.Text == "") && (txtHeight.Text == ""))
{
width = AsciiArtist.ImageWidth;
height = AsciiArtist.ImageHeight;
txtWidth.Text = width.ToString();
txtHeight.Text = height.ToString();
}
else if (txtWidth.Text == "")
{
width = height * AsciiArtist.ImageWidth / AsciiArtist.ImageHeight;
txtWidth.Text = width.ToString();
}
else if (txtHeight.Text == "")
{
height = width * AsciiArtist.ImageHeight / AsciiArtist.ImageWidth;
txtHeight.Text = height.ToString();
}
// Retrieve scaling factor.
if (radScale.SelectedItem != null)
{
scale = Int32.Parse(radScale.SelectedItem.ToString());
}
else
{
scale = 1;
}
/*
* foreach (Control comp in Form1.Controls)
* {
* RadioButton radScale = comp as RadioButton;
* if (radScale == null) continue;
* if (!radScale.Checked) continue;
* if (radScale.ID.Length < 9) continue;
* if (!radScale.ID.StartsWith ("radScale")) continue;
*
* try
* {
* scale = Int32.Parse (radScale.ID.Substring (8));
* break;
* }
* catch {}
* }
*/
// Ascii-fy image.
try
{
if (radScale.SelectedItem != null)
{
return(AsciiArtist.GetAsciiImage(scale, useBlock));
}
else
{
return(AsciiArtist.GetAsciiImage(width, height, useBlock));
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Error");
return(null);
}
}
