/// <summary>
/// 1bppビットマップファイルのバイトデータを返します。
/// </summary>
/// <param name="moduleSize">モジュールサイズ(px)</param>
/// <param name="foreRgb">前景色</param>
/// <param name="backRgb">背景色</param>
private byte[] GetBitmap1bpp(int moduleSize, string foreRgb, string backRgb)
{
Color foreColor = ColorTranslator.FromHtml(foreRgb);
Color backColor = ColorTranslator.FromHtml(backRgb);
int[][] moduleMatrix = QuietZone.Place(GetModuleMatrix());
int width, height;
width = height = moduleSize * moduleMatrix.Length;
int rowBytesLen = (width + 7) / 8;
int pack8bit = 0;
if (width % 8 > 0)
{
pack8bit = 8 - (width % 8);
}
int pack32bit = 0;
if (rowBytesLen % 4 > 0)
{
pack32bit = 8 * (4 - (rowBytesLen % 4));
}
int rowSize = (width + pack8bit + pack32bit) / 8;
byte[] bitmapData = new byte[rowSize * height];
int offset = 0;
for (int r = moduleMatrix.Length - 1; r >= 0; --r)
{
var bs = new BitSequence();
foreach (int v in moduleMatrix[r])
{
int color = Values.IsDark(v) ? 0 : 1;
for (int i = 1; i <= moduleSize; ++i)
{
bs.Append(color, 1);
}
}
bs.Append(0, pack8bit);
bs.Append(0, pack32bit);
byte[] bitmapRow = bs.GetBytes();
for (int i = 1; i <= moduleSize; ++i)
{
Array.Copy(bitmapRow, 0, bitmapData, offset, rowSize);
offset += rowSize;
}
}
return(DIB.Build1bppDIB(bitmapData, width, height, foreColor, backColor));
}
/// <summary>
/// 行／列における1 : 1 : 3 : 1 : 1 比率パターンの失点を計算します。
/// </summary>
private static int CalcModuleRatio(int[][] moduleMatrix)
{
int[][] moduleMatrixTemp = QuietZone.Place(moduleMatrix);
int penalty = 0;
penalty += CalcModuleRatioInRow(moduleMatrixTemp);
penalty += CalcModuleRatioInRow(ArrayUtil.Rotate90(moduleMatrixTemp));
return(penalty);
}
/// <summary>
/// 24bppビットマップファイルのバイトデータを返します。
/// </summary>
/// <param name="moduleSize">モジュールサイズ(px)</param>
/// <param name="foreRgb">前景色</param>
/// <param name="backRgb">背景色</param>
private byte[] GetBitmap24bpp(int moduleSize, string foreRgb, string backRgb)
{
Color foreColor = ColorTranslator.FromHtml(foreRgb);
Color backColor = ColorTranslator.FromHtml(backRgb);
int[][] moduleMatrix = QuietZone.Place(GetModuleMatrix());
int width, height;
width = height = moduleSize * moduleMatrix.Length;
int rowSize = ((3 * width + 3) / 4) * 4;
byte[] bitmapData = new byte[rowSize * height];
int offset = 0;
for (int r = moduleMatrix.Length - 1; r >= 0; --r)
{
byte[] bitmapRow = new byte[rowSize];
int index = 0;
foreach (int v in moduleMatrix[r])
{
Color color = Values.IsDark(v) ? foreColor : backColor;
for (int i = 1; i <= moduleSize; ++i)
{
bitmapRow[index++] = color.B;
bitmapRow[index++] = color.G;
bitmapRow[index++] = color.R;
}
}
for (int i = 1; i <= moduleSize; ++i)
{
Array.Copy(bitmapRow, 0, bitmapData, offset, rowSize);
offset += rowSize;
}
}
return(DIB.Build24bppDIB(bitmapData, width, height));
}
public string GetSvg(int moduleSize = DEFAULT_MODULE_SIZE,
string foreRgb = ColorCode.BLACK)
{
if (_dataBitCounter == 0)
{
throw new InvalidOperationException();
}
if (moduleSize < MIN_MODULE_SIZE)
{
throw new ArgumentOutOfRangeException(nameof(moduleSize));
}
if (ColorCode.IsWebColor(foreRgb) == false)
{
throw new FormatException(nameof(foreRgb));
}
int[][] moduleMatrix = QuietZone.Place(GetModuleMatrix());
int width, height;
width = height = moduleSize * moduleMatrix.Length;
int[][] image = new int[height][];
int r = 0;
foreach (var row in moduleMatrix)
{
int[] imageRow = new int[width];
int c = 0;
foreach (var value in row)
{
for (int j = 0; j < moduleSize; ++j)
{
imageRow[c] = value > Values.BLANK ? 1 : 0;
c++;
}
}
for (int i = 0; i < moduleSize; ++i)
{
image[r] = imageRow;
r++;
}
}
Point[][] gpPaths = GraphicPath.FindContours(image);
var buf = new StringBuilder();
string indent = new string(' ', 5);
foreach (var gpPath in gpPaths)
{
buf.Append($"{indent}M ");
foreach (var p in gpPath)
{
buf.Append($"{p.X},{p.Y} ");
}
buf.AppendLine("Z");
}
string newLine = Environment.NewLine;
string data = buf.ToString().Trim();
string svg =
$"<svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"" + newLine +
$" width=\"{width}px\" height=\"{height}px\" viewBox=\"0 0 {width} {height}\">" + newLine +
$"<path fill=\"{foreRgb}\" stroke=\"{foreRgb}\" stroke-width=\"1\"" + newLine +
$" d=\"{data}\" />" + newLine +
$"</svg>";
return(svg);
}
