/// <summary>
/// Update Value for the passed font
/// </summary>
/// <param name="font">Font to be used</param>
public void CalculateValue(Font font)
{
using (Bitmap bmp = FontFunctions.DrawText(Character.ToString(), font))
{
if (bmp == null)
{
Value = -1;
}
else
{
Width = bmp.Width;
int total = 0;
for (int y = 0; y < bmp.Height; y++)
{
for (int x = 0; x < Width; x++)
{
total += bmp.GetPixel(x, y).R;
}
}
Value = (int)(((float)total / (float)(Width * bmp.Height)) + 0.5);
}
}
}
/// <summary>
/// calculate the values for the current character
/// </summary>
/// <param name="font">font to be used</param>
public void CalculateValues(Font font)
{
int width = 4;
int height = 4;
using (Bitmap bmp = FontFunctions.DrawText(Character.ToString(), font))
{
using (Bitmap shrunk = new Bitmap(width, height))
{
using (Graphics g = Graphics.FromImage(shrunk))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.Clear(Color.White);
g.DrawImage(bmp, 0, 0, width, height);
}
bmp.Dispose();
int total = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
total += shrunk.GetPixel(x, y).R;
}
}
Value = (int)(((float)total / (float)(width * height)) + 0.5);
Score = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Score += Math.Max(Value, shrunk.GetPixel(x, y).R) - Math.Min(Value, shrunk.GetPixel(x, y).R);
}
}
Score = (int)(((float)Score / (float)(width * height)) + 0.5);
}
}
}
/// <summary>
/// Save the text as an image file, will overwrite it if the file already exists
/// </summary>
/// <param name="text">The text to save</param>
/// <param name="filename">Filename to save</param>
/// <param name="font">Font to use for the text</param>
/// <param name="textcolor">Color of the text</param>
/// <param name="backgroundcolor">Color of the background</param>
/// <param name="scale">Percentage scale of the image, 1.0-100.0</param>
/// <param name="greyscale">Save the image as greyscale?</param>
/// <returns>did the file save without errors?</returns>
public static bool SaveTextAsImage(string text, string filename, Font font, Color textcolor, Color backgroundcolor, float scale, bool greyscale)
{
System.Guid format;
switch (System.IO.Path.GetExtension(filename).ToLower())
{
case ".png":
format = ImageFormat.Png.Guid;
break;
case ".jpg":
case ".jpeg":
case ".jpe":
format = ImageFormat.Jpeg.Guid;
break;
case ".gif":
format = ImageFormat.Gif.Guid;
break;
case ".tif":
case ".tiff":
format = ImageFormat.Tiff.Guid;
break;
case ".bmp":
case ".rle":
case ".dib":
default:
format = ImageFormat.Bmp.Guid;
break;
}
using (Bitmap bmpFullSize = FontFunctions.DrawText(text, font, textcolor, backgroundcolor))
{
if (scale < 100f)
{
float fMagnification = scale / 100f;
Size newSize = new Size((int)((bmpFullSize.Width * fMagnification) + 0.5),
(int)((bmpFullSize.Height * fMagnification) + 0.5));
if (newSize.Width < 1)
{
newSize.Width = 1;
}
if (newSize.Height < 1)
{
newSize.Height = 1;
}
using (Bitmap bmpOutput = new Bitmap(newSize.Width, newSize.Height))
{
using (ImageAttributes ia = new ImageAttributes())
{
ia.SetColorMatrix(greyscale ? Matrices.Grayscale() : Matrices.Identity());
using (Graphics g = Graphics.FromImage(bmpOutput))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(bmpFullSize, new Rectangle(0, 0, newSize.Width, newSize.Height),
0, 0, bmpFullSize.Width, bmpFullSize.Height,
GraphicsUnit.Pixel, ia);
}
}
bmpOutput.Save(filename, new ImageFormat(format));
}
}
else
{
bmpFullSize.Save(filename, new ImageFormat(format));
}
}
return(true);
}
