private static void RenderPeptide(ValueRendererSettings rendererSettings, ValueRendererArgs rendererArgs,
ValueRendererResult renderingResult)
{
PDRenderSettings settings = (PDRenderSettings)rendererSettings;
if (settings.MaxAcidAmount == 0 || !rendererArgs.DataValue.HasValidValue)
{
RenderNullImage(rendererArgs, renderingResult);
return;
}
bool isLable = rendererArgs.Width == rendererArgs.Height;
int cellHeight = rendererArgs.Height;
int cellWidth = rendererArgs.Width / settings.MaxAcidAmount;
int fontSize = settings.FontSize;
if (isLable)
{
cellHeight = cellWidth;
}
Regex regex = new Regex(@"PEPTIDE1\{(.+?)\}");
string cellValue = rendererArgs.DataValue.ValidValue.ToString();
if (!cellValue.Contains(".") || !regex.IsMatch(cellValue))
{
Bitmap defaultImage = new Bitmap(rendererArgs.Width, rendererArgs.Height);
using (Graphics g = Graphics.FromImage(defaultImage))
{
g.DrawString(cellValue, new Font("Tahoma", 8), new SolidBrush(Color.Black), 0, 0);
}
renderingResult.SetImage(defaultImage);
renderingResult.SetTooltip("Not a valid peptide sequence.");
return;
}
var match = regex.Match(cellValue);
List <string> peptideList = new List <string>();
List <string> linkerList = new List <string>();
// TODO: Change spliter to "\n"
string[] linkerStringArray = cellValue.Split(new string[] { "\n" }, StringSplitOptions.None);
if (linkerStringArray.Length == 2)
{
linkerList.AddRange(linkerStringArray[1].Split(new char[] { '.' }));
}
string[] monomerArray = match.Groups[1].Captures[0].Value.Split(new char[] { '.' }).ToArray();
for (var i = 0; i < monomerArray.Length; i++)
{
if (i == 0 && monomerArray[0].Contains("_"))
{
string[] saltMonomer = monomerArray[0].Split(new[] { '_' });
peptideList.Add(saltMonomer[0] + "-");
peptideList.Add(saltMonomer[1]);
}
else
{
peptideList.Add(monomerArray[i]);
}
}
int startIndex = peptideList.Count - linkerList.Count;
for (var i = peptideList.Count - 1; i >= startIndex; i--)
{
if (peptideList[i] == linkerList[i - startIndex])
{
peptideList[i] = $"#{peptideList[i]}#";
}
}
if (cellWidth <= 0)
{
cellWidth = 1;
}
if (cellHeight <= 0)
{
cellHeight = 1;
}
Bitmap bitmap = new Bitmap(cellWidth * settings.MaxAcidAmount, cellHeight);
using (Graphics g = Graphics.FromImage(bitmap))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
for (int i = 0; i < peptideList.Count && i < settings.MaxAcidAmount; i++)
{
string monomer = peptideList[i].Replace("[", string.Empty).Replace("]", string.Empty);
ColorSetting color = new ColorSetting
{
ForeColor = settings.DefaultFontColor,
BackgroundColor = settings.DefaultBackgroundColor
};
if (settings.ColorCodeTable.ContainsKey(monomer))
{
color = settings.ColorCodeTable[monomer];
}
if (monomer.Contains("(") && monomer.Contains(")"))
{
color = new ColorSetting
{
ForeColor = settings.BranchMonomerFontColor,
BackgroundColor = settings.BranchMonomerBackgroundColor
};
}
if (monomer.StartsWith("#") && monomer.EndsWith("#"))
{
color = new ColorSetting
{
ForeColor = settings.DefaultFontColor,
BackgroundColor = settings.DefaultBackgroundColor
};
}
if (monomer.StartsWith("(") && monomer.EndsWith(")"))
{
monomer = monomer.Replace("(", string.Empty).Replace(")", string.Empty);
}
monomer = monomer.Replace("#", string.Empty).Replace("#", string.Empty);
Rectangle rect = new Rectangle(i * cellWidth, 0, cellWidth, cellHeight);
g.FillRectangle(new SolidBrush(ColorTranslator.FromHtml(color.BackgroundColor)), rect);
g.DrawRectangle(new Pen(Color.White), rect);
FontFamily fontFamily = new FontFamily(settings.FontFamily);
fontFamily.GetEmHeight(FontStyle.Regular);
float ascent = fontFamily.GetCellAscent(FontStyle.Regular);
float descent = fontFamily.GetCellDescent(FontStyle.Regular);
float size = Convert.ToSingle(cellWidth) / 3 * (fontSize / 100f) * fontFamily.GetEmHeight(FontStyle.Regular) /
(ascent + descent);
if (isLable)
{
size = size * 2;
}
else if (monomer.Length > 3)
{
size = size * 4.5f / monomer.Length;
}
Font font = new Font(fontFamily, size, FontStyle.Regular);
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
g.DrawString(monomer, font, new SolidBrush(ColorTranslator.FromHtml(color.ForeColor)), rect, sf);
}
}
renderingResult.SetImage(bitmap);
renderingResult.SetTooltip(rendererArgs.DataValue.ValidValue.ToString());
}
private static void RenderNullImage(ValueRendererArgs rendererArgs, ValueRendererResult renderingResult)
{
Bitmap defaultImage = new Bitmap(rendererArgs.Width, rendererArgs.Height);
renderingResult.SetImage(defaultImage);
}