internal virtual void cameraCanvasCaptured(sbyte[] pngData) { cameraCanvas.stop(); displayCanvas.Image = pngData; Display.getDisplay(this).setCurrent(displayCanvas); Image image = Image.createImage(pngData, 0, pngData.Length); // TODO Uncomment below for demo on emulator try { image = Image.createImage("/qrcode.jpg"); } catch (System.IO.IOException ioe) { } QRCodeDecoder decoder = new QRCodeDecoder(); QRCodeDecoder.setCanvas(displayCanvas); try { decodedTextBox.DecodedString = new String(decoder.decode(new J2MEImage(image))); } catch (DecodingFailedException dfe) { displayCanvas.println("Decoding failed"); displayCanvas.println("(" + dfe.getMessage() + ")"); displayCanvas.println("--------"); return; } displayCanvas.println("--------"); displayCanvas.addViewDecodedStringCommand(); }
public virtual void drawLine(Line line, int color) { Image bufImage = Image.createImage(image.getWidth(), image.getHeight()); Graphics g = bufImage.getGraphics(); g.drawImage(image, 0, 0, 0); g.setColor(color); g.drawLine(line.getP1().getX(), line.getP1().getY(), line.getP2().getX(), line.getP2().getY()); image = bufImage; repaint(); }
public virtual void drawCross(Point point, int color) { Image bufImage = Image.createImage(image.getWidth(), image.getHeight()); Graphics g = bufImage.getGraphics(); g.drawImage(image, 0, 0, 0); g.setColor(color); g.drawLine(point.getX() - 5, point.getY(), point.getX() + 5, point.getY()); g.drawLine(point.getX(), point.getY() - 5, point.getX(), point.getY() + 5); image = bufImage; repaint(); }
public virtual void drawPoints(Point[] points, int color) { Image bufImage = Image.createImage(image.getWidth(), image.getHeight()); Graphics g = bufImage.getGraphics(); g.drawImage(image, 0, 0, 0); g.setColor(color); for (int i = 0; i < points.length - 1; i++) { g.drawLine(points[i].getX(), points[i].getY(), points[i].getX() + 1, points[i].getY()); } image = bufImage; repaint(); }
public virtual void drawLines(Line[] lines, int color) { Image bufImage = Image.createImage(image.getWidth(), image.getHeight()); Graphics g = bufImage.getGraphics(); g.drawImage(image, 0, 0, 0); g.setColor(color); for (int i = 0; i < lines.length - 1; i++) { g.drawLine(lines[i].getP1().getX(), lines[i].getP1().getY(), lines[i].getP2().getX(), lines[i].getP2().getY()); } image = bufImage; repaint(); }
public virtual void drawMatrix(bool[][] matrix) { Image bufImage = Image.createImage(image.getWidth(), image.getHeight()); Graphics g = bufImage.getGraphics(); g.setColor(0xCCCCCC); for (int y = 0; y < matrix[0].Length; y++) { for (int x = 0; x < matrix.Length; x++) { if (matrix[x][y] == true) { g.drawLine(x, y, x + 1, y); } } } image = bufImage; repaint(); }
public J2MEImage(Image image) { this.image = image; intImage = new int[image.Width * image.Height]; image.getRGB(this.intImage, 0, image.Width, 0, 0, image.Width, image.Height); }