/// <summary>
/// Encode the content with desired parameters and save the generated Matrix
/// </summary>
/// <returns>True if the encoding succeeded, false if the content is empty or too large to fit in a QR code</returns>
public bool TryEncode()
{
var encoder = new QrEncoder(Ecl);
QrCode qr;
if (!encoder.TryEncode(Content, out qr))
return false;
Matrix = qr.Matrix;
return true;
}
public void CreateImageFile(BitMatrix matrix, string fileName, ImageFormat imageFormat)
{
Size size = Measure(matrix.Width);
using (Bitmap bitmap = new Bitmap(size.Width, size.Height))
using (Graphics graphics = Graphics.FromImage(bitmap))
{
Draw(graphics, matrix);
bitmap.Save(fileName, imageFormat);
}
}
public static void writeToFile(BitMatrix matrix, System.Drawing.Imaging.ImageFormat format, string file,int cm)
{
Bitmap bmap = toBitmap(matrix,matrix.Width,matrix.Height);
//图像分辨率
float dpiX = bmap.HorizontalResolution;
float dpiY = bmap.VerticalResolution;
double newW =cm * dpiX * 10/25.4;//cm转化为像素数
double newH=cm*dpiY*10/25.4;
bmap = toBitmap(matrix,(int)newW,(int)newH);
bmap.Save(file, format);
}
public static Bitmap toBitmap(BitMatrix matrix, int width, int height)
{
// int width = matrix.Width;
// int height = matrix.Height;
Bitmap bmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
bmap.SetPixel(x, y, matrix[x * matrix.Width / width, y * matrix.Height / height] != false ? ColorTranslator.FromHtml("0xFF000000") : ColorTranslator.FromHtml("0xFFFFFFFF"));
}
}
return bmap;
}
public void Draw(Graphics graphics, BitMatrix matrix, Point offset)
{
DrawQuietZone(graphics, matrix.Width, offset);
Size paddingOffset = new Size(m_Padding, m_Padding) + new Size(offset.X, offset.Y);
Size moduleSize = new Size(m_ModuleSize, m_ModuleSize);
for (int j = 0; j < matrix.Width; j++)
{
for (int i = 0; i < matrix.Width; i++)
{
Point moduleRelativePosition = new Point(i * m_ModuleSize, j * m_ModuleSize);
Rectangle moduleAbsoluteArea = new Rectangle(moduleRelativePosition + paddingOffset, moduleSize);
Brush bush = matrix[i, j] ? m_DarkBrush : m_LightBrush;
graphics.FillRectangle(bush, moduleAbsoluteArea);
}
}
}
internal QrCode(BitMatrix matrix)
{
this.Matrix = matrix;
this.isContainMatrix = true;
}
public void Draw(Graphics graphics, BitMatrix matrix)
{
this.Draw(graphics, matrix, new Point(0, 0));
}