public static Image CreateOutput(this QRMatrix matrix,
Color?trueColor = null,
Color?falseColor = null,
ImageScale?scale = ImageScale.Scale1x)
{
return(createOutput(matrix, trueColor, falseColor, scale));
}
public static void ToGIF(this QRMatrix matrix,
System.IO.Stream stream,
Color?trueColor = null,
Color?falseColor = null,
ImageScale?scale = ImageScale.Scale1x)
{
var output = createOutput(matrix, trueColor, falseColor, scale);
output.Save(stream, GifImageFormat.Monochrome);
}
public static void ToJPG(this QRMatrix matrix,
System.IO.Stream stream,
Color?trueColor = null,
Color?falseColor = null,
ImageScale?scale = ImageScale.Scale1x)
{
var output = createOutput(matrix, trueColor, falseColor, scale);
output.Save(stream, JpegImageFormat.Standard);
}
private static Image createOutput(QRMatrix matrix,
Color?trueColor = null,
Color?falseColor = null,
ImageScale?scale = ImageScale.Scale1x)
{
var black = trueColor ?? Color.Black;
var white = falseColor ?? Color.White;
if (black == white)
{
throw new AzosException(StringConsts.ARGUMENT_ERROR + typeof(QRImageRenderer).Name + ".ToBitmap(trueColor!=falseColor)");
}
int scaleFactor = (int)scale;
int canvasWidth = matrix.Width * scaleFactor;
int canvasHeight = matrix.Height * scaleFactor;
var result = Image.Of(canvasWidth, canvasHeight);
using (var canvas = result.CreateCanvas())
using (var blackBrush = canvas.CreateSolidBrush(black))
using (var whiteBrush = canvas.CreateSolidBrush(white))
{
canvas.FillRectangle(blackBrush, 0, 0, canvasWidth, canvasHeight);
for (int yMatrix = 0; yMatrix < matrix.Height; yMatrix++)
{
for (int xMatrix = 0; xMatrix < matrix.Width; xMatrix++)
{
if (matrix[xMatrix, yMatrix] == 0)
{
int scaledX = xMatrix * scaleFactor;
int scaledY = yMatrix * scaleFactor;
canvas.FillRectangle(whiteBrush, scaledX, scaledY, scaleFactor, scaleFactor);
}
}
}
return(result);
}
}
private static int chooseMaskPattern(BitList bits, QRCorrectionLevel correctionLevel, QRVersion version, QRMatrix matrix)
{
int minPenalty = Int32.MaxValue; // Assume the lowest possible penalty
int bestMaskPattern = -1;
// Calculate all mask paterns to find the pattern with minimum possible penalty
for (int maskPattern = 0; maskPattern < MASK_PATTERNS_QTY; maskPattern++)
{
matrix.FormMatrix(bits, correctionLevel, version, maskPattern);
int penalty = matrix.GetMaskPenalty();
if (penalty < minPenalty)
{
minPenalty = penalty;
bestMaskPattern = maskPattern;
}
}
return(bestMaskPattern);
}
