//gridLines[areaX][areaY][direction(x=0,y=1)][EachLines] internal virtual bool[][] getQRCodeMatrix(bool[][] image, SamplingGrid gridLines) { //int gridSize = gridLines.getWidth() * gridLines.getWidth(0,0); int gridSize = gridLines.TotalWidth; // now this is done within the SamplingGrid class... // if (gridLines.getWidth() >= 2) // gridSize-=1; canvas.println("gridSize=" + gridSize); //canvas.println("gridLines.getWidth() * gridLines.getWidth(0,0) = "+gridLines.getWidth() * gridLines.getWidth(0,0)); Point bottomRightPoint = null; bool[][] sampledMatrix = new bool[gridSize][]; for (int i = 0; i < gridSize; i++) { sampledMatrix[i] = new bool[gridSize]; } for (int ay = 0; ay < gridLines.getHeight(); ay++) { for (int ax = 0; ax < gridLines.getWidth(); ax++) { System.Collections.ArrayList sampledPoints = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); //only for visualiz; for (int y = 0; y < gridLines.getHeight(ax, ay); y++) { for (int x = 0; x < gridLines.getWidth(ax, ay); x++) { int x1 = gridLines.getXLine(ax, ay, x).getP1().X; int y1 = gridLines.getXLine(ax, ay, x).getP1().Y; int x2 = gridLines.getXLine(ax, ay, x).getP2().X; int y2 = gridLines.getXLine(ax, ay, x).getP2().Y; int x3 = gridLines.getYLine(ax, ay, y).getP1().X; int y3 = gridLines.getYLine(ax, ay, y).getP1().Y; int x4 = gridLines.getYLine(ax, ay, y).getP2().X; int y4 = gridLines.getYLine(ax, ay, y).getP2().Y; int e = (y2 - y1) * (x3 - x4) - (y4 - y3) * (x1 - x2); int f = (x1 * y2 - x2 * y1) * (x3 - x4) - (x3 * y4 - x4 * y3) * (x1 - x2); int g = (x3 * y4 - x4 * y3) * (y2 - y1) - (x1 * y2 - x2 * y1) * (y4 - y3); sampledMatrix[gridLines.getX(ax, x)][gridLines.getY(ay, y)] = image[f / e][g / e]; if ((ay == gridLines.getHeight() - 1 && ax == gridLines.getWidth() - 1) && y == gridLines.getHeight(ax, ay) - 1 && x == gridLines.getWidth(ax, ay) - 1) bottomRightPoint = new Point(f / e, g / e); //calling canvas.drawPoint in loop can be very slow. // use canvas.drawPoints if you need //canvas.drawPoint(new Point(f / e,g / e), Color.RED); } } } } if (bottomRightPoint.X > image.Length - 1 || bottomRightPoint.Y > image[0].Length - 1) throw new System.IndexOutOfRangeException("Sampling grid pointed out of image"); canvas.drawPoint(bottomRightPoint, MessagingToolkit.QRCode.Codec.Util.Color_Fields.BLUE); return sampledMatrix; }