/// <summary>
/// Construct QrCode geometry. It will only include geometry for Dark colour module
/// </summary>
/// <returns>QrCode dark colour module geometry. Size = QrMatrix width x width</returns>
public StreamGeometry DrawGeometry(BitMatrix QrMatrix, int offsetX, int offSetY)
{
int width = QrMatrix == null ? 21 : QrMatrix.Width;
StreamGeometry qrCodeStream = new StreamGeometry();
qrCodeStream.FillRule = FillRule.EvenOdd;
if (QrMatrix == null)
{
return(qrCodeStream);
}
using (StreamGeometryContext qrCodeCtx = qrCodeStream.Open())
{
int preX = -1;
for (int y = 0; y < width; y++)
{
for (int x = 0; x < width; x++)
{
if (QrMatrix[x, y])
{
//Set start point if preX == -1
if (preX == -1)
{
preX = x;
}
//If this is last module in that row. Draw rectangle
if (x == width - 1)
{
qrCodeCtx.DrawRectGeometry(new Int32Rect(preX + offsetX, y + offSetY, x - preX + 1, 1));
preX = -1;
}
}
else if (!QrMatrix[x, y] && preX != -1)
{
//Here will be first light module after sequence of dark module.
//Draw previews sequence of dark Module
qrCodeCtx.DrawRectGeometry(new Int32Rect(preX + offsetX, y + offSetY, x - preX, 1));
preX = -1;
}
}
}
}
qrCodeStream.Freeze();
return(qrCodeStream);
}
/// <summary>
/// 以矩形来填充矩阵点
/// </summary>
/// <param name="QrMatrix">算出来的矩阵</param>
/// <param name="xScale">isRandom？随机取值的最小值：每个点的宽度</param>
/// <param name="yScale">isRandom？随机取值的最大值：每个点的高度</param>
/// <param name="isRandom">是否随机大小</param>
/// <returns>返回路径填充材质</returns>
public static StreamGeometry DrawRectGeometry(BitMatrix QrMatrix, double xScale, double yScale, bool isRandom)
{
int width = QrMatrix == null ? 21 : QrMatrix.Width;
StreamGeometry qrCodeStream = new StreamGeometry();
qrCodeStream.FillRule = FillRule.EvenOdd;
if (QrMatrix == null)
{
return(qrCodeStream);
}
using (StreamGeometryContext qrCodeCtx = qrCodeStream.Open())
{
for (int y = 0; y < width; y++)
{
for (int x = 0; x < width; x++)
{
if (QrMatrix[x, y])
{
if (isRandom)
{
qrCodeCtx.DrawRectGeometry(x, y, (double)(new Random(x + y + Environment.TickCount).Next((int)(xScale * 100), (int)(yScale * 100))) / 100, (double)(new Random(x + y + Environment.TickCount).Next((int)(xScale * 100), (int)(yScale * 100))) / 100);
}
else
{
qrCodeCtx.DrawRectGeometry(x, y, xScale, yScale);
}
}
}
}
}
qrCodeStream.Freeze();
return(qrCodeStream);
}
private GeometryDrawing ConstructQZDrawing(int width)
{
StreamGeometry quietZoneSG = new StreamGeometry();
quietZoneSG.FillRule = FillRule.EvenOdd;
using (StreamGeometryContext qrCodeCtx = quietZoneSG.Open())
{
qrCodeCtx.DrawRectGeometry(new Int32Rect(0, 0, width, width));
}
quietZoneSG.Freeze();
GeometryDrawing quietZoneDrawing = new GeometryDrawing();
quietZoneDrawing.Brush = m_LightBrush;
quietZoneDrawing.Geometry = quietZoneSG;
return(quietZoneDrawing);
}
