private void Generate(byte[] text, int textOffset, int textSize)
{
int e, k, full;
DmParams dm, last;
byte[] data = new byte[2500];
e = -1;
if (height == 0 || width == 0)
{
last = dmSizes[dmSizes.Length - 1];
e = GetEncodation(text, textOffset, textSize, data, 0, last.dataSize, false);
if (e < 0)
{
throw new Exception("The text is too big.");
}
for (k = 0; k < dmSizes.Length; ++k)
{
if (dmSizes[k].dataSize >= e)
{
break;
}
}
dm = dmSizes[k];
height = dm.height;
width = dm.width;
}
else
{
for (k = 0; k < dmSizes.Length; ++k)
{
if (height == dmSizes[k].height && width == dmSizes[k].width)
{
break;
}
}
if (k == dmSizes.Length)
{
throw new Exception("Invalid symbol size.");
}
dm = dmSizes[k];
e = GetEncodation(text, textOffset, textSize, data, 0, dm.dataSize, true);
if (e < 0)
{
throw new Exception("The text is too big.");
}
}
image = new byte[((dm.width + 7) / 8) * dm.height];
MakePadding(data, e, dm.dataSize - e);
place = Placement.DoPlacement(dm.height - (dm.height / dm.heightSection * 2), dm.width - (dm.width / dm.widthSection * 2));
full = dm.dataSize + ((dm.dataSize + 2) / dm.dataBlock) * dm.errorBlock;
ReedSolomon.GenerateECC(data, dm.dataSize, dm.dataBlock, dm.errorBlock);
Draw(data, full, dm);
}
/// <summary>Creates a barcode.</summary>
/// <param name="text">the text</param>
/// <param name="textOffset">the offset to the start of the text</param>
/// <param name="textSize">the text size</param>
/// <returns>
/// the status of the generation. It can be one of this values:
/// <p/>
/// <CODE>DM_NO_ERROR</CODE> - no error.<br />
/// <CODE>DM_ERROR_TEXT_TOO_BIG</CODE> - the text is too big for the symbology capabilities.<br />
/// <CODE>DM_ERROR_INVALID_SQUARE</CODE> - the dimensions given for the symbol are illegal.<br />
/// <CODE>DM_ERROR_EXTENSION</CODE> - an error was while parsing an extension.
/// </returns>
public virtual int SetCode(byte[] text, int textOffset, int textSize)
{
int extCount;
int e;
int k;
int full;
DmParams dm;
DmParams last;
byte[] data = new byte[2500];
extOut = 0;
extCount = ProcessExtensions(text, textOffset, textSize, data);
if (extCount < 0)
{
return(DM_ERROR_EXTENSION);
}
e = -1;
if (height == 0 || width == 0)
{
last = dmSizes[dmSizes.Length - 1];
e = GetEncodation(text, textOffset + extOut, textSize - extOut, data, extCount, last.dataSize - extCount,
options, false);
if (e < 0)
{
return(DM_ERROR_TEXT_TOO_BIG);
}
e += extCount;
for (k = 0; k < dmSizes.Length; ++k)
{
if (dmSizes[k].dataSize >= e)
{
break;
}
}
dm = dmSizes[k];
height = dm.height;
width = dm.width;
}
else
{
for (k = 0; k < dmSizes.Length; ++k)
{
if (height == dmSizes[k].height && width == dmSizes[k].width)
{
break;
}
}
if (k == dmSizes.Length)
{
return(DM_ERROR_INVALID_SQUARE);
}
dm = dmSizes[k];
e = GetEncodation(text, textOffset + extOut, textSize - extOut, data, extCount, dm.dataSize - extCount, options
, true);
if (e < 0)
{
return(DM_ERROR_TEXT_TOO_BIG);
}
e += extCount;
}
if ((options & DM_TEST) != 0)
{
return(DM_NO_ERROR);
}
image = new byte[(dm.width + 2 * ws + 7) / 8 * (dm.height + 2 * ws)];
MakePadding(data, e, dm.dataSize - e);
place = Placement.DoPlacement(dm.height - dm.height / dm.heightSection * 2, dm.width - dm.width / dm.widthSection
* 2);
full = dm.dataSize + (dm.dataSize + 2) / dm.dataBlock * dm.errorBlock;
ReedSolomon.GenerateECC(data, dm.dataSize, dm.dataBlock, dm.errorBlock);
Draw(data, full, dm);
return(DM_NO_ERROR);
}