/// <summary>
/// Renders the specified matrix.
/// </summary>
/// <param name="matrix">The matrix.</param>
/// <param name="format">The format.</param>
/// <param name="content">The content.</param>
/// <param name="options">The options.</param>
/// <returns></returns>
public SvgImage Render(BitMatrix matrix, BarcodeFormat format, string content, EncodingOptions options)
{
var result = new SvgImage();
Create(result, matrix, format, content, options);
return(result);
}
private static void AppendDarkCell(SvgImage image, BitMatrix matrix, int offsetX, int offSetY)
{
if (matrix == null)
{
return;
}
int width = matrix.Width;
int height = matrix.Height;
var processed = new BitMatrix(width, height);
bool currentIsBlack = false;
int startPosX = 0;
int startPosY = 0;
for (int x = 0; x < width; x++)
{
int endPosX;
for (int y = 0; y < height; y++)
{
if (processed[x, y])
{
continue;
}
processed[x, y] = true;
if (matrix[x, y])
{
if (!currentIsBlack)
{
startPosX = x;
startPosY = y;
currentIsBlack = true;
}
}
else
{
if (currentIsBlack)
{
FindMaximumRectangle(matrix, processed, startPosX, startPosY, y, out endPosX);
image.AddRec(startPosX + offsetX, startPosY + offSetY, endPosX - startPosX + 1, y - startPosY);
currentIsBlack = false;
}
}
}
if (currentIsBlack)
{
FindMaximumRectangle(matrix, processed, startPosX, startPosY, height, out endPosX);
image.AddRec(startPosX + offsetX, startPosY + offSetY, endPosX - startPosX + 1, height - startPosY);
currentIsBlack = false;
}
}
}
private void Create(SvgImage image, BitMatrix matrix, BarcodeFormat format, string content, EncodingOptions options)
{
const int quietZone = 5;
if (matrix == null)
{
return;
}
int width = matrix.Width;
int height = matrix.Height;
image.AddHeader();
image.AddTag(0, 0, 2 * quietZone + width, 2 * quietZone + height, Background, Foreground);
AppendDarkCell(image, matrix, quietZone, quietZone);
image.AddEnd();
}
private void Create(SvgImage image, BitMatrix matrix, BarcodeFormat format, string content, EncodingOptions options)
{
if (matrix == null)
{
return;
}
const int spaceBetweenMatrixAndText = 3;
int width = matrix.Width;
int height = matrix.Height;
var outputContent = (options == null || !options.PureBarcode) &&
!String.IsNullOrEmpty(content) &&
(format == BarcodeFormat.CODE_39 ||
format == BarcodeFormat.CODE_93 ||
format == BarcodeFormat.CODE_128 ||
format == BarcodeFormat.EAN_13 ||
format == BarcodeFormat.EAN_8 ||
format == BarcodeFormat.CODABAR ||
format == BarcodeFormat.ITF ||
format == BarcodeFormat.UPC_A ||
format == BarcodeFormat.UPC_E ||
format == BarcodeFormat.MSI ||
format == BarcodeFormat.PLESSEY);
if (outputContent)
{
var fontSize = FontSize < 1 ? DefaultFontSize : FontSize;
height += fontSize + spaceBetweenMatrixAndText;
}
image.AddHeader();
image.AddTag(0, 0, width, height, Background, Foreground);
AppendDarkCell(image, matrix, 0, 0);
if (outputContent)
{
var fontName = String.IsNullOrEmpty(FontName) ? DefaultFontName : FontName;
var fontSize = FontSize < 1 ? DefaultFontSize : FontSize;
content = ModifyContentDependingOnBarcodeFormat(format, content);
image.AddText(content, fontName, fontSize);
}
image.AddEnd();
}
