/// <summary>
/// "Assembles" the compiled code, by resolving label references and converting them to index offsets.
/// Modifies the code data structure in place, and returns it back to the caller.
/// </summary>
private static List <Instruction> Assemble(List <Instruction> code)
{
var positions = new LabelPositions(code);
for (int i = 0; i < code.Count; i++)
{
Instruction inst = code[i];
if (inst.IsJump)
{
int pos = positions.FindPosition(inst.first);
if (pos >= 0)
{
inst.UpdateJumpDestination(pos);
}
else
{
throw new CompilerError($"Can't find jump label {inst.first} during assembly");
}
}
}
return(code);
}
protected Image Label_Generic(Image img)
{
try
{
System.Drawing.Font font = new System.Drawing.Font("Arial", this.FontSize * this.Scale);
using (Graphics g = Graphics.FromImage(img))
{
g.DrawImage(img, (float)0, (float)0);
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
StringFormat f = new StringFormat();
f.Alignment = StringAlignment.Near;
f.LineAlignment = StringAlignment.Near;
int LabelX = 0;
int LabelY = 0;
LabelPositions LabelPosition = LabelPositions.BOTTOMCENTER;
switch (LabelPosition)
{
case LabelPositions.BOTTOMCENTER:
LabelX = img.Width / 2;
LabelY = img.Height - (font.Height);
f.Alignment = StringAlignment.Center;
break;
case LabelPositions.BOTTOMLEFT:
LabelX = 0;
LabelY = img.Height - (font.Height);
f.Alignment = StringAlignment.Near;
break;
case LabelPositions.BOTTOMRIGHT:
LabelX = img.Width;
LabelY = img.Height - (font.Height);
f.Alignment = StringAlignment.Far;
break;
case LabelPositions.TOPCENTER:
LabelX = img.Width / 2;
LabelY = 0;
f.Alignment = StringAlignment.Center;
break;
case LabelPositions.TOPLEFT:
LabelX = img.Width;
LabelY = 0;
f.Alignment = StringAlignment.Near;
break;
case LabelPositions.TOPRIGHT:
LabelX = img.Width;
LabelY = 0;
f.Alignment = StringAlignment.Far;
break;
}//switch
//color a background color box at the bottom of the barcode to hold the string of data
g.FillRectangle(new SolidBrush(BackColor), new RectangleF((float)0, (float)LabelY, (float)img.Width, (float)font.Height));
//draw datastring under the barcode image
g.DrawString(string.IsNullOrEmpty(label) ? data : label, font, new SolidBrush(ForeColor), new RectangleF((float)0, (float)LabelY, (float)img.Width, (float)font.Height), f);
g.Save();
} //using
return(img);
} //try
catch (Exception ex)
{
throw new Exception("ELABEL_GENERIC-1: " + ex.Message);
}//catch
}
public Image Encode(TYPE iType, string StringToEncode, Color ForeColor, Color BackColor, int Width, int Height, AlignmentPositions alignment, RotateFlipType rotateFlipType, bool includeLabel, LabelPositions labelPosition)
{
Encoded_Type = iType;
Raw_Data = StringToEncode;
this.ForeColor = ForeColor;
this.BackColor = BackColor;
this.Width = Width;
this.Height = Height;
this.Alignment = alignment;
this.RotateFlipType = rotateFlipType;
this.IncludeLabel = includeLabel;
this.LabelPosition = labelPosition;
return(Encode());
}
